using System.Collections.Generic;
using UnityEngine;
using UnityEngine.SceneManagement;
using TMPro;
using UnityEngine.UI;
#if UNITY_EDITOR
using UnityEditor;
#endif

// 게임 오버 상태를 표현하고, 게임 점수와 UI를 관리하는 게임 매니저
// 씬에는 단 하나의 게임 매니저만 존재할 수 있다.
public class GameManager : MonoBehaviour {
    public enum TutorialGuideType {
        None,
        Jump,
        DoubleJump,
        Slide,
        Damage,
        Items
    }

    public enum TutorialItemType {
        HealthSushi,
        InvincibleRamen,
        Shield,
        SpeedShoes,
        MileageCard
    }

    public static GameManager instance; // 싱글톤을 할당할 전역 변수

    public bool isGameover = false; // 게임 오버 상태
    public TextMeshProUGUI scoreText; // 점수를 출력할 UI 텍스트
    public GameObject gameoverUI; // 게임 오버시 활성화 할 UI 게임 오브젝트

    private int score = 0; // 게임 점수
    private int currentLife; // 현재 남은 목숨
    private int stageMileage = 0; // 현재 플레이 중 획득한 마일리지
    private int totalMileage = 0; // 누적 보유 마일리지
    private TutorialGuideType tutorialGuideType = TutorialGuideType.None; // 현재 튜토리얼 안내 이미지 종류
    private string tutorialTitle = ""; // 튜토리얼 안내 제목
    private string tutorialMessage = ""; // 튜토리얼 안내 문구
    private Image rightInfoHudBackground; // 오른쪽 거리/마일리지 수하물 라벨 배경
    private TextMeshProUGUI rightMileageText; // 오른쪽 HUD의 적립 마일리지 텍스트
    private Image[] lifeIcons; // 왼쪽 HUD의 목숨 도장 표시
    private GameObject tutorialGuideObject; // 화면 상단 이미지 튜토리얼 패널
    private Image tutorialMainImage; // 점프/슬라이드 대표 이미지
    private TextMeshProUGUI tutorialMultiplierText; // 2단 점프 x2 표시
    private TextMeshProUGUI tutorialTitleText; // 튜토리얼 제목
    private TextMeshProUGUI tutorialBodyText; // 튜토리얼 설명
    private Button tutorialNextButton; // 튜토리얼 안내 확인 버튼
    private TextMeshProUGUI tutorialNextButtonText; // 확인 버튼 텍스트
    private Image[] tutorialItemImages; // 아이템 순서 설명 이미지
    private TMP_FontAsset tutorialFontAsset; // 한글 튜토리얼 문구용 런타임 폰트
    private float tutorialGuideSequenceStartTime; // 튜토리얼 안내 시작 시각
    private int currentTutorialGuideSequenceIndex = -1; // 현재 표시 중인 안내 단계
    private bool tutorialGuideSequenceComplete = false; // 기본 튜토리얼 안내 완료 여부
    private MapDefinition currentMapDefinition; // 현재 플레이 중인 맵 데이터
    private float stageElapsedTime = 0f; // 현재 맵 진행 시간
    private float stageDistance = 0f; // 현재 맵 진행 거리
    private bool stageCompleted = false; // 결과 화면이 이미 처리되었는지 여부
    private bool tutorialGuidePauseActive = false; // 안내 일시정지 중인지 여부
    private float tutorialGuidePreviousTimeScale = 1f; // 안내 일시정지 전 시간 배율
    private int tutorialGuideDismissFrame = -1; // 확인 클릭이 플레이 입력으로 이어지지 않게 막는 프레임
    private int tutorialGuideVersion = 0; // 오래된 자동 숨김 요청을 무시하기 위한 버전
    private FinishGate activeFinishGate; // 목표 지점에 나타나는 맵별 클리어 게이트
    private bool finishGateSpawned = false; // 현재 맵에서 도착 게이트를 이미 만들었는지 여부
    private PlatformSpawner activePlatformSpawner; // 현재 맵의 발판/장애물 생성기

    public int maxLife = 3; // 시작 목숨
    public int initialMileage = 500; // 첫 시작시 지급할 초기 마일리지
    public bool grantInitialMileage = true; // 초기 마일리지 지급 여부
    public bool saveMileageImmediately = true; // 스테이지 정산 전까지는 획득 즉시 누적한다.
    public bool playTutorialGuideSequence = false; // 코스 데이터가 없을 때만 시간 기준 안내를 보여준다.
    public bool pauseGameplayForTutorialGuide = true; // 안내가 뜨는 동안 게임을 잠깐 멈춘다.
    public float tutorialGuidePauseDuration = 2f; // 이전 자동 숨김 시간 값입니다. 현재 안내는 확인 클릭으로만 닫습니다.
    public float itemInvincibleDuration = 2.2f; // 라멘 아이템 무적 지속 시간
    public float itemSpeedBoostAmount = 0.35f; // 운동화 아이템 즉시 속도 보정량
    public float mileageBonusDuration = 7f; // 마일리지 카드 보너스 지속 시간
    public int mileageBonusMultiplier = 2; // 마일리지 카드 획득 배율
    public float finishGateSpawnX = 20f; // 도착 게이트가 처음 나타나는 x 위치
    public float finishGatePlayerX = -6f; // 게이트가 클리어 판정을 내릴 플레이어 기준 x 위치
    public float finishGateGroundY = -2.42f; // 도착 게이트가 바닥에 붙는 y 위치
    public float finishGateFallbackDistance = 18f; // 게이트 트리거를 놓쳤을 때의 안전 클리어 거리

    private const string TotalMileageKey = "UniRun.TotalMileage";
    private const string InitialMileageGrantedKey = "UniRun.InitialMileageGranted";
    private const string CharacterFaceResourcePath = "UI_JJ_PassportPhoto";
    private const string PassportPanelResourcePath = "UI_LeftHudPassportHorizontalGridPanel";
    private const string LifeStampResourcePath = "UI_LifeStamp";
    private const string PassportItemSlotResourcePath = "UI_PassportItemSlot";
    private const string TutorialGuideFrameResourcePath = "UI_TutorialAirportMonitorFrame";
    private const string TutorialNextButtonResourcePath = "UI_TutorialNextButton";
    private const string RightHudLuggageLabelKoreaResourcePath = "UI_RightHudLuggageLabel_Korea";
    private const string RightHudLuggageLabelJapanResourcePath = "UI_RightHudLuggageLabel_Japan";
    private const string RightHudLuggageLabelChinaResourcePath = "UI_RightHudLuggageLabel_China";
    private const string RightHudLuggageLabelAmericaResourcePath = "UI_RightHudLuggageLabel_America";
    private const float PassportHudWidth = 320f;
    private const float PassportHudHeight = 102f;
    private const float PassportHudScale = 0.5f;
    private const float RightInfoHudWidth = 260f;
    private const float RightInfoHudHeight = 64f;
    private const float RightInfoHudScale = 0.6f;
    private const float TutorialJumpGuideDuration = 3.5f;
    private const float TutorialDoubleJumpGuideDuration = 3.5f;
    private const float TutorialSlideGuideDuration = 3.5f;
    private const float TutorialItemGuideDuration = 5.2f;
    private const float TutorialGuideWidth = 392f;
    private const float TutorialGuideHeight = 142f;
    private const float TutorialGuideScale = 0.6f;

    // 게임의 스피드를 올리는 변수
    public float gameSpeed = 1f;
    public float minGameSpeed = 1f;
    public float speedIncreaseRate = 0.05f;
    public float maxGameSpeed = 2f;
    public float hitSpeedPenalty = 0.3f;
    private int shieldCharges = 0; // 방어막 아이템으로 막을 수 있는 남은 피격 횟수
    private float itemInvincibleEndTime = 0f; // 라멘 무적 종료 시각
    private float mileageBonusEndTime = 0f; // 마일리지 카드 보너스 종료 시각

    public bool IsTutorialGuidePaused {
        get { return tutorialGuidePauseActive || tutorialGuideDismissFrame == Time.frameCount; }
    }

    // 게임 시작과 동시에 싱글톤을 구성
    void Awake() {
        // 싱글톤 변수 instance가 비어있는가?
        if(instance == null)
        {
            // instance가 비어있다면(null) 그곳에 자기 자신을 할당
            instance = this;
        }
        else
        {
            // instance에 이미 다른 GameManager 오브젝트가 할당되어 있는 경우

            // 씬에 두개 이상의 GameManager 오브젝트가 존재한다는 의미.
            // 싱글톤 오브젝트는 하나만 존재해야 하므로 자신의 게임 오브젝트를 파괴
            Debug.LogWarning("씬에 두개 이상의 게임 매니저가 존재합니다!");
            Destroy(gameObject);
        }
    }

    private void Start() {
        currentLife = maxLife;
        totalMileage = GameFlowManager.Instance != null
            ? GameFlowManager.Instance.SaveData.totalMileage
            : PlayerPrefs.GetInt(TotalMileageKey, 0);

        if(grantInitialMileage && PlayerPrefs.GetInt(InitialMileageGrantedKey, 0) == 0)
        {
            totalMileage += initialMileage;
            PlayerPrefs.SetInt(TotalMileageKey, totalMileage);
            PlayerPrefs.SetInt(InitialMileageGrantedKey, 1);
            PlayerPrefs.Save();
        }

        BuildRuntimeHUD();
        BeginMap(GameFlowManager.Instance != null
            ? GameFlowManager.Instance.CurrentMap
            : MapDatabase.GetMap(MapId.TutorialIncheon));
        SyncTotalMileageToFlow();
        UpdateScoreUI();
    }

    void Update() {
        // 게임 오버 상태에서 게임을 재시작할 수 있게 하는 처리
        if(isGameover && GameFlowManager.Instance == null && Input.GetMouseButtonDown(0))
        {
            SceneManager.LoadScene(SceneManager.GetActiveScene().name);
        }

        if(!GameFlowManager.IsGameplayActive)
        {
            UpdateScoreUI();
            return;
        }

        if(!isGameover)
        {
            UpdateTutorialGuideSequence();

            stageElapsedTime += Time.deltaTime;

            // 게임 진행시 게임 속도는 시간에 따라 증가
            gameSpeed += speedIncreaseRate * Time.deltaTime;
            // 게임 최대 속도는 max를 넘어서지 못하게
            gameSpeed = Mathf.Min(gameSpeed, maxGameSpeed);

            stageDistance += 10f * gameSpeed * Time.deltaTime;
            UpdateFinishGate();

            if(currentMapDefinition != null && currentMapDefinition.targetDistance > 0f && stageDistance >= currentMapDefinition.targetDistance)
            {
                if(!ShouldUseFinishGate() || stageDistance >= currentMapDefinition.targetDistance + finishGateFallbackDistance)
                {
                    CompleteStage(true);
                    return;
                }
            }

            if(currentMapDefinition != null && currentMapDefinition.timeLimit > 0f && stageElapsedTime >= currentMapDefinition.timeLimit)
            {
                CompleteStage(false);
                return;
            }

            UpdateScoreUI();
        }
    }

    public void BeginMap(MapDefinition mapDefinition) {
        StopTutorialGuidePause(true);
        Time.timeScale = 1f;

        currentMapDefinition = mapDefinition != null
            ? mapDefinition
            : MapDatabase.GetMap(MapId.TutorialIncheon);
        BackgroundLoop.ApplyResourceBackground(currentMapDefinition.backgroundResourcePath);
        UpdateRightInfoHudSkin();

        score = 0;
        stageMileage = 0;
        currentLife = maxLife;
        gameSpeed = minGameSpeed;
        shieldCharges = 0;
        itemInvincibleEndTime = 0f;
        mileageBonusEndTime = 0f;
        stageElapsedTime = 0f;
        stageDistance = 0f;
        stageCompleted = false;
        finishGateSpawned = false;
        isGameover = false;
        tutorialGuideSequenceComplete = false;
        currentTutorialGuideSequenceIndex = -1;
        SetTutorialGuide(TutorialGuideType.None, "", "");
        RemoveActiveFinishGate();

        if(gameoverUI != null)
        {
            gameoverUI.SetActive(false);
        }

        activePlatformSpawner = FindFirstObjectByType<PlatformSpawner>();
        if(activePlatformSpawner != null)
        {
            activePlatformSpawner.ApplyMap(currentMapDefinition);
        }

        StartTutorialGuideSequence();
        UpdateScoreUI();
    }

    // 점수를 증가시키는 메서드
    public void AddScore(int newScore) {

        if(!isGameover)
        {
            score += newScore;
            UpdateScoreUI();
        }
        
    }

    public void SetTutorialMessage(string message) {
        SetTutorialGuide(TutorialGuideType.None, "", message);
    }

    public void SetTutorialGuide(TutorialGuideType guideType, string title, string message) {
        tutorialGuideVersion++;
        tutorialGuideType = guideType;
        tutorialTitle = title;
        tutorialMessage = message;

        if(!HasTutorialGuideContent(guideType, title, message))
        {
            StopTutorialGuidePause(true);
            UpdateScoreUI();
            return;
        }

        UpdateScoreUI();
        TryPauseForTutorialGuide();
    }

    private bool HasTutorialGuideContent(TutorialGuideType guideType, string title, string message) {
        return guideType != TutorialGuideType.None
            || !string.IsNullOrEmpty(title)
            || !string.IsNullOrEmpty(message);
    }

    private void TryPauseForTutorialGuide() {
        if(!pauseGameplayForTutorialGuide
            || isGameover
            || !GameFlowManager.IsGameplayActive)
        {
            return;
        }

        if(!tutorialGuidePauseActive)
        {
            tutorialGuidePreviousTimeScale = Time.timeScale;
            tutorialGuidePauseActive = true;
        }

        Time.timeScale = 0f;

    }

    private void CompleteTutorialGuideByClick() {
        tutorialGuideVersion++;
        tutorialGuideType = TutorialGuideType.None;
        tutorialTitle = "";
        tutorialMessage = "";
        tutorialGuideDismissFrame = Time.frameCount;
        UpdateScoreUI();

        RestoreTutorialGuideTimeScale();
    }

    private void StopTutorialGuidePause(bool restoreTimeScale) {
        if(restoreTimeScale)
        {
            RestoreTutorialGuideTimeScale();
        }
    }

    private void RestoreTutorialGuideTimeScale() {
        if(!tutorialGuidePauseActive)
        {
            return;
        }

        Time.timeScale = Mathf.Approximately(tutorialGuidePreviousTimeScale, 0f)
            ? 1f
            : tutorialGuidePreviousTimeScale;
        tutorialGuidePauseActive = false;
    }

    private void StartTutorialGuideSequence() {
        if(!ShouldUseTimeBasedTutorialGuide())
        {
            tutorialGuideSequenceComplete = true;
            return;
        }

        tutorialGuideSequenceStartTime = Time.time;
        tutorialGuideSequenceComplete = false;
        currentTutorialGuideSequenceIndex = -1;
        UpdateTutorialGuideSequence();
    }

    private void UpdateTutorialGuideSequence() {
        if(!ShouldUseTimeBasedTutorialGuide() || tutorialGuideSequenceComplete)
        {
            return;
        }

        float elapsedTime = Time.time - tutorialGuideSequenceStartTime;
        int guideIndex = GetTutorialGuideSequenceIndex(elapsedTime);

        if(guideIndex == currentTutorialGuideSequenceIndex)
        {
            return;
        }

        currentTutorialGuideSequenceIndex = guideIndex;
        ApplyTutorialGuideSequenceStep(guideIndex);
    }

    private bool ShouldUseTimeBasedTutorialGuide() {
        return playTutorialGuideSequence && !HasCourseDrivenTutorialGuide();
    }

    private bool HasCourseDrivenTutorialGuide() {
        if(currentMapDefinition == null
            || currentMapDefinition.openingSteps == null
            || currentMapDefinition.openingSteps.Length == 0)
        {
            return false;
        }

        for(int i = 0; i < currentMapDefinition.openingSteps.Length; i++)
        {
            PlatformSpawner.TutorialStep step = currentMapDefinition.openingSteps[i];
            if(step != null
                && (step.guideType != TutorialGuideType.None
                    || !string.IsNullOrEmpty(step.title)
                    || !string.IsNullOrEmpty(step.message)))
            {
                return true;
            }
        }

        return false;
    }

    private int GetTutorialGuideSequenceIndex(float elapsedTime) {
        if(elapsedTime < TutorialJumpGuideDuration)
        {
            return 0;
        }

        elapsedTime -= TutorialJumpGuideDuration;
        if(elapsedTime < TutorialDoubleJumpGuideDuration)
        {
            return 1;
        }

        elapsedTime -= TutorialDoubleJumpGuideDuration;
        if(elapsedTime < TutorialSlideGuideDuration)
        {
            return 2;
        }

        elapsedTime -= TutorialSlideGuideDuration;
        if(elapsedTime < TutorialItemGuideDuration)
        {
            return 3;
        }

        return 4;
    }

    private void ApplyTutorialGuideSequenceStep(int guideIndex) {
        switch(guideIndex)
        {
            case 0:
                SetTutorialGuide(TutorialGuideType.Jump, "점프", "왼쪽 클릭으로 가볍게 뛰어오릅니다.");
                break;
            case 1:
                SetTutorialGuide(TutorialGuideType.DoubleJump, "2단 점프", "공중에서 왼쪽 클릭을 한 번 더 누릅니다.");
                break;
            case 2:
                SetTutorialGuide(TutorialGuideType.Slide, "슬라이드", "오른쪽 클릭을 누르고 있으면 낮게 지나갑니다.");
                break;
            case 3:
                SetTutorialGuide(TutorialGuideType.Items, "아이템", "초밥 -> 라멘 -> 방어막 -> 운동화 -> 마일리지 카드 순서입니다.");
                break;
            default:
                tutorialGuideSequenceComplete = true;
                SetTutorialGuide(TutorialGuideType.None, "", "");
                break;
        }
    }

    // 마일리지 토큰을 먹었을 때 호출되는 메서드
    public void AddMileage(int amount) {
        if(isGameover)
        {
            return;
        }

        int finalAmount = IsMileageBonusActive()
            ? amount * Mathf.Max(1, mileageBonusMultiplier)
            : amount;

        stageMileage += finalAmount;
        score += Mathf.Max(1, finalAmount / 10);

        if(saveMileageImmediately)
        {
            totalMileage += finalAmount;
            PlayerPrefs.SetInt(TotalMileageKey, totalMileage);
            PlayerPrefs.Save();
            SyncTotalMileageToFlow();
        }

        UpdateScoreUI();
    }

    // 플레이어가 장애물에 부딪혔을 때 목숨과 속도를 줄이는 메서드
    public bool TakeDamage(int damage = 1) {
        if(isGameover || !GameFlowManager.IsGameplayActive)
        {
            return false;
        }

        currentLife -= damage;
        currentLife = Mathf.Max(currentLife, 0);

        gameSpeed -= hitSpeedPenalty;
        gameSpeed = Mathf.Max(gameSpeed, minGameSpeed);

        UpdateScoreUI();

        return currentLife <= 0;
    }

    public void ApplyTutorialItem(TutorialItemType itemType) {
        if(isGameover || !GameFlowManager.IsGameplayActive)
        {
            return;
        }

        switch(itemType)
        {
            case TutorialItemType.HealthSushi:
                currentLife = Mathf.Min(maxLife, currentLife + 1);
                AddScore(3);
                if(ShouldShowItemEffectGuide())
                {
                    SetTutorialGuide(TutorialGuideType.Items, "초밥", "방금 잃은 목숨을 1 회복합니다.");
                }
                break;
            case TutorialItemType.InvincibleRamen:
                itemInvincibleEndTime = Time.time + itemInvincibleDuration;
                if(ShouldShowItemEffectGuide())
                {
                    SetTutorialGuide(TutorialGuideType.Items, "라멘", "짧은 시간 동안 다음 충돌 피해를 받지 않습니다.");
                }
                break;
            case TutorialItemType.Shield:
                shieldCharges = Mathf.Max(shieldCharges, 1);
                if(ShouldShowItemEffectGuide())
                {
                    SetTutorialGuide(TutorialGuideType.Items, "방어막", "다음 충돌 1회를 방어막이 대신 막습니다.");
                }
                break;
            case TutorialItemType.SpeedShoes:
                gameSpeed = Mathf.Min(maxGameSpeed, gameSpeed + itemSpeedBoostAmount);
                if(ShouldShowItemEffectGuide())
                {
                    SetTutorialGuide(TutorialGuideType.Items, "운동화", "속도를 즉시 회복해 늦어진 일정을 따라잡습니다.");
                }
                break;
            case TutorialItemType.MileageCard:
                mileageBonusEndTime = Time.time + mileageBonusDuration;
                if(ShouldShowItemEffectGuide())
                {
                    SetTutorialGuide(TutorialGuideType.Items, "마일리지 카드", "잠시 동안 먹는 마일리지가 두 배로 들어옵니다.");
                }
                break;
        }

        UpdateScoreUI();
    }

    public bool TryBlockDamageWithItem() {
        if(isGameover || !GameFlowManager.IsGameplayActive)
        {
            return false;
        }

        if(IsItemInvincibleActive())
        {
            if(ShouldShowItemEffectGuide())
            {
                SetTutorialGuide(TutorialGuideType.Items, "라멘", "무적 중이라 이번 충돌은 피해 없이 지나갑니다.");
            }

            SpawnItemBlockFeedback(TutorialItemType.InvincibleRamen);
            return true;
        }

        if(shieldCharges > 0)
        {
            shieldCharges--;
            SpawnItemBlockFeedback(TutorialItemType.Shield);
            if(ShouldShowItemEffectGuide())
            {
                SetTutorialGuide(TutorialGuideType.Items, "방어막", "방어막이 충돌 피해를 한 번 막았습니다.");
            }
            UpdateScoreUI();
            return true;
        }

        return false;
    }

    private void SpawnItemBlockFeedback(TutorialItemType itemType) {
        GameObject playerObject = GameObject.FindGameObjectWithTag("Player");
        if(playerObject == null)
        {
            return;
        }

        ItemFeedbackEffect.Spawn(playerObject.transform.position, null, itemType, true);
    }

    private bool ShouldShowItemEffectGuide() {
        return currentMapDefinition == null || !currentMapDefinition.isTutorial;
    }

    private bool IsItemInvincibleActive() {
        return Time.time < itemInvincibleEndTime;
    }

    private bool IsMileageBonusActive() {
        return Time.time < mileageBonusEndTime;
    }

    // 플레이어 캐릭터가 사망시 게임 오버를 실행하는 메서드
    public void OnPlayerDead() {
        isGameover = true;

        if(gameoverUI != null)
        {
            gameoverUI.SetActive(GameFlowManager.Instance == null);
        }

        CompleteStage(false);
    }

    public void CompleteCurrentStageFromFinishGate() {
        if(currentMapDefinition != null && currentMapDefinition.targetDistance > 0f)
        {
            stageDistance = Mathf.Max(stageDistance, currentMapDefinition.targetDistance);
        }

        CompleteStage(true);
    }

    private void CompleteStage(bool cleared) {
        if(stageCompleted)
        {
            return;
        }

        StopTutorialGuidePause(true);
        RemoveActiveFinishGate();

        stageCompleted = true;
        isGameover = true;

        if(GameFlowManager.Instance != null)
        {
            GameFlowManager.Instance.CompleteMap(cleared, score, stageMileage, stageElapsedTime, stageDistance);
        }
        else if(gameoverUI != null)
        {
            gameoverUI.SetActive(true);
        }
    }

    private void UpdateFinishGate() {
        if(!ShouldUseFinishGate() || finishGateSpawned || stageCompleted)
        {
            return;
        }

        float spawnLeadDistance = Mathf.Max(0f, finishGateSpawnX - finishGatePlayerX);
        float spawnDistance = Mathf.Max(0f, currentMapDefinition.targetDistance - spawnLeadDistance);
        if(stageDistance < spawnDistance)
        {
            return;
        }

        float gateGroundY = finishGateGroundY;
        EnsureFinishGateLanding(gateGroundY);

        GameObject gateObject = new GameObject("Finish Gate - " + currentMapDefinition.displayName);
        gateObject.transform.position = new Vector3(finishGateSpawnX, gateGroundY, 0f);
        activeFinishGate = gateObject.AddComponent<FinishGate>();
        activeFinishGate.Setup(currentMapDefinition.finishGateStyle);
        finishGateSpawned = true;

        if(activePlatformSpawner != null)
        {
            activePlatformSpawner.StopCourseSpawningAfterFinishGate();
        }
    }

    private void EnsureFinishGateLanding(float gateGroundY) {
        if(activePlatformSpawner == null)
        {
            activePlatformSpawner = FindFirstObjectByType<PlatformSpawner>();
        }

        if(activePlatformSpawner != null)
        {
            activePlatformSpawner.SpawnFinishLandingPlatform(finishGateSpawnX, gateGroundY);
        }
    }

    private bool ShouldUseFinishGate() {
        return currentMapDefinition != null
            && currentMapDefinition.finishGateStyle != FinishGateStyle.None
            && currentMapDefinition.targetDistance > 0f;
    }

    private void RemoveActiveFinishGate() {
        if(activeFinishGate != null)
        {
            Destroy(activeFinishGate.gameObject);
            activeFinishGate = null;
        }

        if(activePlatformSpawner != null)
        {
            activePlatformSpawner.ClearFinishLandingPlatform();
        }
    }

    private void SyncTotalMileageToFlow() {
        if(GameFlowManager.Instance != null)
        {
            GameFlowManager.Instance.SetTotalMileage(totalMileage);
        }
    }

    private void UpdateScoreUI() {
        if(scoreText != null)
        {
            string distanceText = currentMapDefinition != null
                ? Mathf.FloorToInt(stageDistance) + "/" + Mathf.FloorToInt(currentMapDefinition.targetDistance) + "m"
                : Mathf.FloorToInt(stageDistance) + "m";

            scoreText.text = "DIST\n" + distanceText;
        }

        if(rightMileageText != null)
        {
            rightMileageText.text = "MILE\n" + stageMileage;
        }

        if(lifeIcons != null)
        {
            for(int i = 0; i < lifeIcons.Length; i++)
            {
                if(lifeIcons[i] == null)
                {
                    continue;
                }

                bool hasLife = i < currentLife;
                lifeIcons[i].color = hasLife
                    ? GetActiveLifeIconColor(lifeIcons[i])
                    : new Color(0.34f, 0.34f, 0.34f, 0.72f);
            }
        }

        RefreshTutorialGuide();
    }

    private void RefreshTutorialGuide() {
        if(tutorialGuideObject == null)
        {
            return;
        }

        bool hasGuide = tutorialGuideType != TutorialGuideType.None
            || !string.IsNullOrEmpty(tutorialTitle)
            || !string.IsNullOrEmpty(tutorialMessage);
        tutorialGuideObject.SetActive(hasGuide);

        if(!hasGuide)
        {
            return;
        }

        if(tutorialTitleText != null)
        {
            tutorialTitleText.text = tutorialTitle;
        }

        if(tutorialBodyText != null)
        {
            tutorialBodyText.text = tutorialMessage;
        }

        int activeItemImageIndex = GetTutorialItemImageIndex();
        bool showItemImage = tutorialGuideType == TutorialGuideType.Items && HasTutorialItemImage(activeItemImageIndex);
        Sprite mainSprite = showItemImage ? null : GetTutorialMainSprite(tutorialGuideType);
        bool showFullText = !showItemImage && mainSprite == null;
        UpdateTutorialTextLayout(showItemImage, showFullText);

        if(tutorialMainImage != null)
        {
            tutorialMainImage.gameObject.SetActive(!showItemImage && mainSprite != null);
            tutorialMainImage.sprite = mainSprite;
        }

        if(tutorialMultiplierText != null)
        {
            tutorialMultiplierText.gameObject.SetActive(tutorialGuideType == TutorialGuideType.DoubleJump);
        }

        if(tutorialItemImages != null)
        {
            for(int i = 0; i < tutorialItemImages.Length; i++)
            {
                if(tutorialItemImages[i] != null)
                {
                    tutorialItemImages[i].gameObject.SetActive(showItemImage && i == activeItemImageIndex);
                }
            }
        }

        if(tutorialNextButton != null)
        {
            tutorialNextButton.gameObject.SetActive(hasGuide);
        }
    }

    private void UpdateTutorialTextLayout(bool showItemRow, bool showFullText) {
        Vector2 textPosition = new Vector2(104f, -38f);
        Vector2 textSize = new Vector2(250f, 20f);
        Vector2 bodyPosition = new Vector2(104f, -60f);
        Vector2 bodySize = new Vector2(250f, 38f);

        if(showItemRow)
        {
            textPosition = new Vector2(110f, -38f);
            textSize = new Vector2(242f, 20f);
            bodyPosition = new Vector2(110f, -60f);
            bodySize = new Vector2(242f, 38f);
        }
        else if(showFullText)
        {
            textPosition = new Vector2(54f, -39f);
            textSize = new Vector2(284f, 20f);
            bodyPosition = new Vector2(54f, -61f);
            bodySize = new Vector2(284f, 39f);
        }

        if(tutorialTitleText != null)
        {
            tutorialTitleText.rectTransform.anchoredPosition = textPosition;
            tutorialTitleText.rectTransform.sizeDelta = textSize;
        }

        if(tutorialBodyText != null)
        {
            tutorialBodyText.rectTransform.anchoredPosition = bodyPosition;
            tutorialBodyText.rectTransform.sizeDelta = bodySize;
        }
    }

    private bool HasTutorialItemImage(int itemImageIndex) {
        return tutorialItemImages != null
            && itemImageIndex >= 0
            && itemImageIndex < tutorialItemImages.Length
            && tutorialItemImages[itemImageIndex] != null
            && tutorialItemImages[itemImageIndex].sprite != null;
    }

    private int GetTutorialItemImageIndex() {
        if(tutorialGuideType != TutorialGuideType.Items)
        {
            return -1;
        }

        string itemText = (tutorialTitle + " " + tutorialMessage).Trim();
        if(itemText.Contains("초밥"))
        {
            return 0;
        }

        if(itemText.Contains("라멘"))
        {
            return 1;
        }

        if(itemText.Contains("방어막"))
        {
            return 2;
        }

        if(itemText.Contains("운동화"))
        {
            return 3;
        }

        if(itemText.Contains("마일리지"))
        {
            return 4;
        }

        return -1;
    }

    private Color GetActiveLifeIconColor(Image lifeIcon) {
        if(lifeIcon != null && lifeIcon.sprite == null)
        {
            return new Color(0.94f, 0.18f, 0.12f, 0.9f);
        }

        return Color.white;
    }

    private void BuildRuntimeHUD() {
        if(scoreText == null)
        {
            return;
        }

        Transform canvasTransform = scoreText.transform.parent;

        CreateRightInfoHUD(canvasTransform);
        CreateStatusHUD(canvasTransform);
        CreateTutorialGuide(canvasTransform);
    }

    private void CreateRightInfoHUD(Transform canvasTransform) {
        GameObject hudObject = new GameObject("Right Luggage HUD", typeof(RectTransform), typeof(CanvasRenderer), typeof(Image));
        hudObject.transform.SetParent(canvasTransform, false);

        RectTransform hudRect = hudObject.GetComponent<RectTransform>();
        hudRect.anchorMin = new Vector2(1f, 1f);
        hudRect.anchorMax = new Vector2(1f, 1f);
        hudRect.pivot = new Vector2(1f, 1f);
        hudRect.anchoredPosition = new Vector2(-10f, -8f);
        hudRect.sizeDelta = new Vector2(RightInfoHudWidth * RightInfoHudScale, RightInfoHudHeight * RightInfoHudScale);
        hudRect.localScale = Vector3.one;

        rightInfoHudBackground = hudObject.GetComponent<Image>();
        rightInfoHudBackground.preserveAspect = false;
        rightInfoHudBackground.raycastTarget = false;
        UpdateRightInfoHudSkin();

        scoreText.gameObject.name = "Distance Text";
        scoreText.transform.SetParent(hudObject.transform, false);
        ConfigureRightInfoText(scoreText, new Vector2(0.29f, 0.18f), new Vector2(0.61f, 0.74f));

        GameObject mileageObject = new GameObject("Mileage Text", typeof(RectTransform), typeof(CanvasRenderer));
        mileageObject.transform.SetParent(hudObject.transform, false);
        rightMileageText = mileageObject.AddComponent<TextMeshProUGUI>();
        rightMileageText.font = scoreText.font;
        ConfigureRightInfoText(rightMileageText, new Vector2(0.62f, 0.18f), new Vector2(0.95f, 0.74f));
    }

    private void ConfigureRightInfoText(TextMeshProUGUI text, Vector2 anchorMin, Vector2 anchorMax) {
        RectTransform rectTransform = text.rectTransform;
        rectTransform.anchorMin = anchorMin;
        rectTransform.anchorMax = anchorMax;
        rectTransform.offsetMin = Vector2.zero;
        rectTransform.offsetMax = Vector2.zero;
        rectTransform.localScale = Vector3.one;

        text.alignment = TextAlignmentOptions.Center;
        text.fontSize = 9f;
        text.enableAutoSizing = true;
        text.fontSizeMin = 6.5f;
        text.fontSizeMax = 10f;
        text.lineSpacing = -7f;
        text.color = new Color(0.015f, 0.045f, 0.085f, 1f);
        text.fontStyle = FontStyles.Bold;
        text.raycastTarget = false;
        text.textWrappingMode = TextWrappingModes.NoWrap;
    }

    private void UpdateRightInfoHudSkin() {
        if(rightInfoHudBackground == null)
        {
            return;
        }

        rightInfoHudBackground.sprite = LoadHudSprite(GetRightInfoHudResourcePath());
        rightInfoHudBackground.color = rightInfoHudBackground.sprite != null
            ? Color.white
            : new Color(0.95f, 0.97f, 1f, 0.88f);
    }

    private string GetRightInfoHudResourcePath() {
        if(currentMapDefinition == null)
        {
            return RightHudLuggageLabelKoreaResourcePath;
        }

        switch(currentMapDefinition.mapId)
        {
            case MapId.Japan:
                return RightHudLuggageLabelJapanResourcePath;
            case MapId.China:
                return RightHudLuggageLabelChinaResourcePath;
            case MapId.America:
                return RightHudLuggageLabelAmericaResourcePath;
            case MapId.TutorialIncheon:
            default:
                return RightHudLuggageLabelKoreaResourcePath;
        }
    }

    private void CreateStatusHUD(Transform canvasTransform) {
        GameObject hudObject = new GameObject("Status HUD", typeof(RectTransform), typeof(CanvasRenderer), typeof(Image));
        hudObject.transform.SetParent(canvasTransform, false);

        RectTransform hudRect = hudObject.GetComponent<RectTransform>();
        hudRect.anchorMin = new Vector2(0f, 1f);
        hudRect.anchorMax = new Vector2(0f, 1f);
        hudRect.pivot = new Vector2(0f, 1f);
        hudRect.anchoredPosition = new Vector2(10f, -8f);
        hudRect.sizeDelta = new Vector2(PassportHudWidth, PassportHudHeight);
        hudRect.localScale = Vector3.one * PassportHudScale;

        Image hudBackground = hudObject.GetComponent<Image>();
        hudBackground.sprite = LoadHudSprite(PassportPanelResourcePath);
        hudBackground.color = hudBackground.sprite != null
            ? Color.white
            : new Color(0.04f, 0.08f, 0.11f, 0.68f);
        hudBackground.preserveAspect = true;
        hudBackground.raycastTarget = false;

        CreateFaceIcon(hudObject.transform);
        CreateLifeIcons(hudObject.transform);
        CreateItemSlots(hudObject.transform);
    }

    private void CreateFaceIcon(Transform parent) {
        GameObject faceFrame = new GameObject("Face Frame", typeof(RectTransform), typeof(CanvasRenderer), typeof(Image));
        faceFrame.transform.SetParent(parent, false);

        RectTransform frameRect = faceFrame.GetComponent<RectTransform>();
        frameRect.anchorMin = new Vector2(0f, 1f);
        frameRect.anchorMax = new Vector2(0f, 1f);
        frameRect.pivot = new Vector2(0f, 1f);
        frameRect.anchoredPosition = new Vector2(30f, -20f);
        frameRect.sizeDelta = new Vector2(72f, 68f);

        Image frameImage = faceFrame.GetComponent<Image>();
        frameImage.color = new Color(1f, 1f, 1f, 0f);
        frameImage.raycastTarget = false;

        GameObject faceObject = new GameObject("Character Face", typeof(RectTransform), typeof(CanvasRenderer), typeof(Image));
        faceObject.transform.SetParent(faceFrame.transform, false);

        RectTransform faceRect = faceObject.GetComponent<RectTransform>();
        faceRect.anchorMin = Vector2.zero;
        faceRect.anchorMax = Vector2.one;
        faceRect.offsetMin = new Vector2(2f, 2f);
        faceRect.offsetMax = new Vector2(-2f, -2f);

        Image faceImage = faceObject.GetComponent<Image>();
        faceImage.sprite = LoadHudSprite(CharacterFaceResourcePath);
        faceImage.preserveAspect = true;
        faceImage.raycastTarget = false;
        faceImage.color = faceImage.sprite != null
            ? Color.white
            : new Color(1f, 1f, 1f, 0f);
    }

    private void CreateLifeIcons(Transform parent) {
        Sprite lifeSprite = LoadHudSprite(LifeStampResourcePath);
        int iconCount = Mathf.Max(maxLife, 1);
        lifeIcons = new Image[iconCount];

        for(int i = 0; i < iconCount; i++)
        {
            GameObject lifeObject = new GameObject("Life Stamp " + (i + 1), typeof(RectTransform), typeof(CanvasRenderer), typeof(Image));
            lifeObject.transform.SetParent(parent, false);

            RectTransform lifeRect = lifeObject.GetComponent<RectTransform>();
            lifeRect.anchorMin = new Vector2(0f, 1f);
            lifeRect.anchorMax = new Vector2(0f, 1f);
            lifeRect.pivot = new Vector2(0f, 1f);
            lifeRect.anchoredPosition = new Vector2(124f + (i * 44f), -20f);
            lifeRect.sizeDelta = new Vector2(30f, 30f);

            Image lifeImage = lifeObject.GetComponent<Image>();
            lifeImage.sprite = lifeSprite;
            lifeImage.color = lifeSprite != null
                ? Color.white
                : new Color(0.94f, 0.18f, 0.12f, 0.9f);
            lifeImage.preserveAspect = true;
            lifeImage.raycastTarget = false;
            lifeIcons[i] = lifeImage;
        }
    }

    private void CreateItemSlots(Transform parent) {
        Sprite slotSprite = LoadHudSprite(PassportItemSlotResourcePath);

        for(int i = 0; i < 3; i++)
        {
            GameObject slotObject = new GameObject("Item Slot " + (i + 1), typeof(RectTransform), typeof(CanvasRenderer), typeof(Image));
            slotObject.transform.SetParent(parent, false);

            RectTransform slotRect = slotObject.GetComponent<RectTransform>();
            slotRect.anchorMin = new Vector2(0f, 1f);
            slotRect.anchorMax = new Vector2(0f, 1f);
            slotRect.pivot = new Vector2(0f, 1f);
            slotRect.anchoredPosition = new Vector2(118f + (i * 46f), -66f);
            slotRect.sizeDelta = new Vector2(40f, 24f);

            Image slotImage = slotObject.GetComponent<Image>();
            slotImage.sprite = slotSprite;
            slotImage.color = slotSprite != null
                ? new Color(1f, 1f, 1f, 0.62f)
                : new Color(0.92f, 0.97f, 1f, 0.22f);
            slotImage.preserveAspect = false;
            slotImage.raycastTarget = false;
        }
    }

    private Sprite LoadHudSprite(string resourcePath) {
        Sprite sprite = Resources.Load<Sprite>(resourcePath);
        if(sprite != null)
        {
            return sprite;
        }

        Texture2D texture = Resources.Load<Texture2D>(resourcePath);
#if UNITY_EDITOR
        if(texture == null)
        {
            sprite = AssetDatabase.LoadAssetAtPath<Sprite>("Assets/Resources/" + resourcePath + ".png");
            if(sprite != null)
            {
                return sprite;
            }

            texture = AssetDatabase.LoadAssetAtPath<Texture2D>("Assets/Resources/" + resourcePath + ".png");
        }
#endif
        if(texture == null)
        {
            return null;
        }

        return Sprite.Create(
            texture,
            new Rect(0f, 0f, texture.width, texture.height),
            new Vector2(0.5f, 0.5f),
            100f);
    }

    private void CreateTutorialGuide(Transform canvasTransform) {
        tutorialGuideObject = new GameObject("Tutorial Guide", typeof(RectTransform), typeof(CanvasRenderer), typeof(Image));
        tutorialGuideObject.transform.SetParent(canvasTransform, false);

        RectTransform guideRect = tutorialGuideObject.GetComponent<RectTransform>();
        guideRect.anchorMin = new Vector2(0.5f, 1f);
        guideRect.anchorMax = new Vector2(0.5f, 1f);
        guideRect.pivot = new Vector2(0.5f, 1f);
        guideRect.anchoredPosition = new Vector2(0f, -10f);
        guideRect.sizeDelta = new Vector2(TutorialGuideWidth, TutorialGuideHeight);
        guideRect.localScale = Vector3.one * TutorialGuideScale;

        Image guideBackground = tutorialGuideObject.GetComponent<Image>();
        guideBackground.sprite = LoadHudSprite(TutorialGuideFrameResourcePath);
        guideBackground.color = guideBackground.sprite != null
            ? Color.white
            : new Color(0.035f, 0.055f, 0.07f, 0.82f);
        guideBackground.preserveAspect = false;
        guideBackground.raycastTarget = false;

        tutorialFontAsset = CreateKoreanTutorialFontAsset();

        CreateTutorialMainImage(tutorialGuideObject.transform);
        CreateTutorialItemRow(tutorialGuideObject.transform);
        tutorialTitleText = CreateTutorialText(tutorialGuideObject.transform, "Tutorial Title", new Vector2(104f, -38f), new Vector2(250f, 20f), 12f, FontStyles.Bold);
        tutorialBodyText = CreateTutorialText(tutorialGuideObject.transform, "Tutorial Body", new Vector2(104f, -60f), new Vector2(250f, 38f), 9f, FontStyles.Normal);
        tutorialTitleText.color = new Color(0.06f, 0.13f, 0.19f, 0.98f);
        tutorialBodyText.color = new Color(0.10f, 0.18f, 0.23f, 0.95f);
        CreateTutorialNextButton(tutorialGuideObject.transform);
        tutorialGuideObject.SetActive(false);
    }

    private void CreateTutorialMainImage(Transform parent) {
        GameObject imageObject = new GameObject("Tutorial Main Image", typeof(RectTransform), typeof(CanvasRenderer), typeof(Image));
        imageObject.transform.SetParent(parent, false);

        RectTransform imageRect = imageObject.GetComponent<RectTransform>();
        imageRect.anchorMin = new Vector2(0f, 1f);
        imageRect.anchorMax = new Vector2(0f, 1f);
        imageRect.pivot = new Vector2(0f, 1f);
        imageRect.anchoredPosition = new Vector2(42f, -54f);
        imageRect.sizeDelta = new Vector2(50f, 50f);

        tutorialMainImage = imageObject.GetComponent<Image>();
        tutorialMainImage.preserveAspect = true;
        tutorialMainImage.raycastTarget = false;

        GameObject multiplierObject = new GameObject("Double Jump Marker", typeof(RectTransform), typeof(CanvasRenderer));
        multiplierObject.transform.SetParent(imageObject.transform, false);

        RectTransform multiplierRect = multiplierObject.GetComponent<RectTransform>();
        multiplierRect.anchorMin = new Vector2(1f, 0f);
        multiplierRect.anchorMax = new Vector2(1f, 0f);
        multiplierRect.pivot = new Vector2(1f, 0f);
        multiplierRect.anchoredPosition = new Vector2(-2f, 1f);
        multiplierRect.sizeDelta = new Vector2(22f, 15f);

        tutorialMultiplierText = multiplierObject.AddComponent<TextMeshProUGUI>();
        tutorialMultiplierText.font = scoreText.font;
        tutorialMultiplierText.text = "x2";
        tutorialMultiplierText.alignment = TextAlignmentOptions.Center;
        tutorialMultiplierText.fontSize = 9f;
        tutorialMultiplierText.fontStyle = FontStyles.Bold;
        tutorialMultiplierText.color = new Color(1f, 0.91f, 0.33f, 1f);
        tutorialMultiplierText.raycastTarget = false;
        tutorialMultiplierText.textWrappingMode = TextWrappingModes.NoWrap;
        tutorialMultiplierText.gameObject.SetActive(false);
    }

    private void CreateTutorialItemRow(Transform parent) {
        string[] itemAssetPaths = {
            "Assets/Sprites/Items/Item_Health_Sushi.png",
            "Assets/Sprites/Items/Item_Invincible_Ramen.png",
            "Assets/Sprites/Items/Item_Shield.png",
            "Assets/Sprites/Items/Item_Speed_Shoes.png",
            "Assets/Sprites/Items/Item_Mileage_Card.png"
        };

        tutorialItemImages = new Image[itemAssetPaths.Length];

        for(int i = 0; i < itemAssetPaths.Length; i++)
        {
            GameObject itemObject = new GameObject("Tutorial Item " + (i + 1), typeof(RectTransform), typeof(CanvasRenderer), typeof(Image));
            itemObject.transform.SetParent(parent, false);

            RectTransform itemRect = itemObject.GetComponent<RectTransform>();
            itemRect.anchorMin = new Vector2(0f, 1f);
            itemRect.anchorMax = new Vector2(0f, 1f);
            itemRect.pivot = new Vector2(0f, 1f);
            itemRect.anchoredPosition = new Vector2(38f, -50f);
            itemRect.sizeDelta = new Vector2(58f, 58f);

            Image itemImage = itemObject.GetComponent<Image>();
            itemImage.sprite = LoadTutorialSprite(itemAssetPaths[i]);
            itemImage.preserveAspect = true;
            itemImage.raycastTarget = false;
            itemImage.gameObject.SetActive(false);
            tutorialItemImages[i] = itemImage;
        }
    }

    private void CreateTutorialNextButton(Transform parent) {
        GameObject buttonObject = new GameObject("Tutorial Confirm Button", typeof(RectTransform), typeof(CanvasRenderer), typeof(Image), typeof(Button));
        buttonObject.transform.SetParent(parent, false);

        RectTransform buttonRect = buttonObject.GetComponent<RectTransform>();
        buttonRect.anchorMin = new Vector2(0f, 1f);
        buttonRect.anchorMax = new Vector2(0f, 1f);
        buttonRect.pivot = new Vector2(0f, 1f);
        buttonRect.anchoredPosition = new Vector2(244f, -103f);
        buttonRect.sizeDelta = new Vector2(112f, 30f);

        Image buttonImage = buttonObject.GetComponent<Image>();
        buttonImage.sprite = LoadHudSprite(TutorialNextButtonResourcePath);
        buttonImage.color = buttonImage.sprite != null
            ? Color.white
            : new Color(0.03f, 0.13f, 0.20f, 0.92f);
        buttonImage.preserveAspect = false;
        buttonImage.raycastTarget = true;

        tutorialNextButton = buttonObject.GetComponent<Button>();
        tutorialNextButton.targetGraphic = buttonImage;
        tutorialNextButton.onClick.AddListener(CompleteTutorialGuideByClick);

        ColorBlock colors = tutorialNextButton.colors;
        colors.normalColor = Color.white;
        colors.highlightedColor = new Color(1f, 1f, 1f, 0.92f);
        colors.pressedColor = new Color(0.78f, 0.92f, 1f, 0.95f);
        colors.selectedColor = colors.highlightedColor;
        colors.disabledColor = new Color(1f, 1f, 1f, 0.35f);
        tutorialNextButton.colors = colors;

        GameObject textObject = new GameObject("Tutorial Confirm Text", typeof(RectTransform), typeof(CanvasRenderer));
        textObject.transform.SetParent(buttonObject.transform, false);

        RectTransform textRect = textObject.GetComponent<RectTransform>();
        textRect.anchorMin = Vector2.zero;
        textRect.anchorMax = Vector2.one;
        textRect.offsetMin = new Vector2(34f, 4f);
        textRect.offsetMax = new Vector2(-10f, -4f);

        tutorialNextButtonText = textObject.AddComponent<TextMeshProUGUI>();
        tutorialNextButtonText.font = tutorialFontAsset != null ? tutorialFontAsset : scoreText.font;
        tutorialNextButtonText.text = "확인";
        tutorialNextButtonText.alignment = TextAlignmentOptions.Center;
        tutorialNextButtonText.fontSize = 9f;
        tutorialNextButtonText.fontStyle = FontStyles.Bold;
        tutorialNextButtonText.color = new Color(0.92f, 0.98f, 1f, 0.98f);
        tutorialNextButtonText.raycastTarget = false;
        tutorialNextButtonText.textWrappingMode = TextWrappingModes.NoWrap;
    }

    private TextMeshProUGUI CreateTutorialText(Transform parent, string objectName, Vector2 anchoredPosition, Vector2 sizeDelta, float fontSize, FontStyles fontStyle) {
        GameObject textObject = new GameObject(objectName, typeof(RectTransform), typeof(CanvasRenderer));
        textObject.transform.SetParent(parent, false);

        RectTransform textRect = textObject.GetComponent<RectTransform>();
        textRect.anchorMin = new Vector2(0f, 1f);
        textRect.anchorMax = new Vector2(0f, 1f);
        textRect.pivot = new Vector2(0f, 1f);
        textRect.anchoredPosition = anchoredPosition;
        textRect.sizeDelta = sizeDelta;

        TextMeshProUGUI text = textObject.AddComponent<TextMeshProUGUI>();
        text.font = tutorialFontAsset != null ? tutorialFontAsset : scoreText.font;
        text.alignment = TextAlignmentOptions.Left;
        text.fontSize = fontSize;
        text.fontStyle = fontStyle;
        text.color = new Color(0.96f, 0.98f, 1f, 0.96f);
        text.raycastTarget = false;
        text.textWrappingMode = TextWrappingModes.Normal;
        return text;
    }

    private TMP_FontAsset CreateKoreanTutorialFontAsset() {
        string[] familyNames = {
            "Malgun Gothic",
            "맑은 고딕",
            "Arial Unicode MS"
        };

        string[] styleNames = {
            "Regular",
            "Normal"
        };

        for(int familyIndex = 0; familyIndex < familyNames.Length; familyIndex++)
        {
            for(int styleIndex = 0; styleIndex < styleNames.Length; styleIndex++)
            {
                TMP_FontAsset fontAsset = TMP_FontAsset.CreateFontAsset(familyNames[familyIndex], styleNames[styleIndex], 80);
                if(fontAsset != null)
                {
                    fontAsset.name = "Runtime Korean Tutorial Font";
                    return fontAsset;
                }
            }
        }

        return null;
    }

    private Sprite GetTutorialMainSprite(TutorialGuideType guideType) {
        if(guideType == TutorialGuideType.Jump || guideType == TutorialGuideType.DoubleJump)
        {
            return LoadTutorialSprite("Assets/Sprites/JJ_Jump.png", "JJ_Jump_2");
        }

        if(guideType == TutorialGuideType.Slide)
        {
            return LoadTutorialSprite("Assets/Sprites/JJ_Slide.png", "JJ_Slide_0");
        }

        if(guideType == TutorialGuideType.Damage)
        {
            return LoadTutorialSprite("Assets/Resources/UI_LifeStamp.png");
        }

        return null;
    }

    private Sprite LoadTutorialSprite(string assetPath, string spriteName = "") {
#if UNITY_EDITOR
        Object[] assets = AssetDatabase.LoadAllAssetRepresentationsAtPath(assetPath);
        Sprite firstSprite = null;

        if(assets != null && assets.Length > 0)
        {
            for(int i = 0; i < assets.Length; i++)
            {
                Sprite sprite = assets[i] as Sprite;
                if(sprite == null)
                {
                    continue;
                }

                if(firstSprite == null)
                {
                    firstSprite = sprite;
                }

                if(sprite.name == spriteName)
                {
                    return sprite;
                }
            }

            if(firstSprite != null)
            {
                return firstSprite;
            }
        }

        Sprite directSprite = AssetDatabase.LoadAssetAtPath<Sprite>(assetPath);
        if(directSprite != null)
        {
            return directSprite;
        }

        Texture2D texture = AssetDatabase.LoadAssetAtPath<Texture2D>(assetPath);
        if(texture == null)
        {
            return null;
        }

        return Sprite.Create(
            texture,
            new Rect(0f, 0f, texture.width, texture.height),
            new Vector2(0.5f, 0.5f),
            100f);
#else
        return null;
#endif
    }

    private class CourseMinimapView {
        private struct MarkerInfo {
            public string label;
            public string kind;
            public Color color;
        }

        private const float RootWidth = 452f;
        private const float RootHeight = 72f;
        private const float CourseWidth = 386f;
        private const float CourseAreaHeight = 36f;
        private const float CourseAreaY = -9f;
        private const float GroundY = -22f;
        private const float CeilingY = 3f;
        private const float PlatformHeight = 6f;
        private const float PlatformDistanceWidth = 7.4f;
        private const float CourseDistancePerInterval = 10f;
        private const int MaxCourseObjectCount = 96;

        private readonly List<GameObject> markerObjects = new List<GameObject>();
        private RectTransform rootRect;
        private RectTransform progressFillRect;
        private RectTransform playerMarkerRect;
        private TextMeshProUGUI routeText;
        private TextMeshProUGUI progressText;
        private TMP_FontAsset fontAsset;
        private bool hasActiveMap = false;
        private MapId activeMapId;
        private float activeTargetDistance = -1f;

        public void Build(Transform canvasTransform, TMP_FontAsset minimapFont) {
            fontAsset = minimapFont;

            GameObject rootObject = new GameObject("Course Minimap", typeof(RectTransform), typeof(CanvasRenderer), typeof(Image));
            rootObject.transform.SetParent(canvasTransform, false);

            rootRect = rootObject.GetComponent<RectTransform>();
            rootRect.anchorMin = new Vector2(0.5f, 0f);
            rootRect.anchorMax = new Vector2(0.5f, 0f);
            rootRect.pivot = new Vector2(0.5f, 0f);
            rootRect.anchoredPosition = new Vector2(0f, 9f);
            rootRect.sizeDelta = new Vector2(RootWidth, RootHeight);

            Image background = rootObject.GetComponent<Image>();
            background.color = new Color(0.025f, 0.045f, 0.055f, 0.78f);
            background.raycastTarget = false;

            routeText = CreateText(rootObject.transform, "Route Label", new Vector2(-207f, 24f), new Vector2(270f, 14f), 8.4f, TextAlignmentOptions.Left);
            progressText = CreateText(rootObject.transform, "Route Progress", new Vector2(174f, 24f), new Vector2(94f, 14f), 8.4f, TextAlignmentOptions.Right);

            CreateBlock(rootObject.transform, "Course Drawing Area", new Vector2(0f, CourseAreaY), new Vector2(CourseWidth + 18f, CourseAreaHeight), new Color(0.04f, 0.08f, 0.095f, 0.78f));

            GameObject progressObject = new GameObject("Track Progress", typeof(RectTransform), typeof(CanvasRenderer), typeof(Image));
            progressObject.transform.SetParent(rootObject.transform, false);

            progressFillRect = progressObject.GetComponent<RectTransform>();
            progressFillRect.anchorMin = new Vector2(0.5f, 0.5f);
            progressFillRect.anchorMax = new Vector2(0.5f, 0.5f);
            progressFillRect.pivot = new Vector2(0f, 0.5f);
            progressFillRect.anchoredPosition = new Vector2(-CourseWidth * 0.5f, CourseAreaY);
            progressFillRect.sizeDelta = new Vector2(0f, CourseAreaHeight);

            Image progressImage = progressObject.GetComponent<Image>();
            progressImage.color = new Color(0.18f, 0.55f, 0.68f, 0.28f);
            progressImage.raycastTarget = false;

            Image playerMarker = CreateBlock(rootObject.transform, "Player Marker", new Vector2(GetCourseX(0f), GroundY + 14f), new Vector2(7f, 24f), new Color(1f, 0.78f, 0.21f, 1f));
            playerMarkerRect = playerMarker.rectTransform;
        }

        public void Refresh(MapDefinition mapDefinition, float stageDistance) {
            if(rootRect == null)
            {
                return;
            }

            if(mapDefinition == null)
            {
                rootRect.gameObject.SetActive(false);
                return;
            }

            rootRect.gameObject.SetActive(true);

            float targetDistance = Mathf.Max(1f, mapDefinition.targetDistance);
            bool mapChanged = !hasActiveMap
                || activeMapId != mapDefinition.mapId
                || !Mathf.Approximately(activeTargetDistance, targetDistance);

            if(mapChanged)
            {
                hasActiveMap = true;
                activeMapId = mapDefinition.mapId;
                activeTargetDistance = targetDistance;
                RebuildMarkers(mapDefinition, targetDistance);

                if(routeText != null)
                {
                    routeText.text = !string.IsNullOrEmpty(mapDefinition.routeName)
                        ? mapDefinition.routeName
                        : mapDefinition.displayName;
                }
            }

            float progress = Mathf.Clamp01(stageDistance / targetDistance);
            if(progressFillRect != null)
            {
                progressFillRect.sizeDelta = new Vector2(CourseWidth * progress, CourseAreaHeight);
            }

            if(playerMarkerRect != null)
            {
                playerMarkerRect.anchoredPosition = new Vector2(GetCourseX(progress), GroundY + 14f);
                playerMarkerRect.SetAsLastSibling();
            }

            if(progressText != null)
            {
                progressText.text = Mathf.FloorToInt(stageDistance) + "/" + Mathf.FloorToInt(targetDistance) + "m";
            }
        }

        private void RebuildMarkers(MapDefinition mapDefinition, float targetDistance) {
            ClearMarkers();

            float cursor = 0f;
            AddStepMarkers(mapDefinition.openingSteps, ref cursor, targetDistance);

            PlatformSpawner.TutorialStep[] loopSteps = mapDefinition.loopSteps;
            int loopGuard = 0;
            while(cursor < targetDistance
                && loopSteps != null
                && loopSteps.Length > 0
                && markerObjects.Count < MaxCourseObjectCount
                && loopGuard < 300)
            {
                AddStepMarkers(loopSteps, ref cursor, targetDistance);
                loopGuard++;
            }
        }

        private void AddStepMarkers(PlatformSpawner.TutorialStep[] steps, ref float cursor, float targetDistance) {
            if(steps == null)
            {
                return;
            }

            for(int i = 0; i < steps.Length; i++)
            {
                PlatformSpawner.TutorialStep step = steps[i];
                float stepDistance = GetStepDistance(step);

                if(markerObjects.Count < MaxCourseObjectCount)
                {
                    float centerDistance = cursor + (stepDistance * 0.5f);
                    float centerProgress = Mathf.Clamp01(centerDistance / targetDistance);
                    float platformWidth = Mathf.Max(8f, CourseWidth * (PlatformDistanceWidth / targetDistance));
                    CreatePlatformPiece(centerProgress, platformWidth, GetPlatformColor(step));

                    if(TryGetMarkerInfo(step, out MarkerInfo markerInfo))
                    {
                        CreateCourseFeature(centerProgress, markerInfo);
                    }
                }

                cursor += stepDistance;
                if(cursor >= targetDistance && markerObjects.Count >= MaxCourseObjectCount)
                {
                    return;
                }
            }
        }

        private float GetStepDistance(PlatformSpawner.TutorialStep step) {
            if(step == null)
            {
                return CourseDistancePerInterval;
            }

            return Mathf.Max(0.3f, step.spawnInterval) * CourseDistancePerInterval;
        }

        private bool TryGetMarkerInfo(PlatformSpawner.TutorialStep step, out MarkerInfo markerInfo) {
            markerInfo = new MarkerInfo();

            if(step == null)
            {
                return false;
            }

            if(step.itemPattern != Platform.ItemPattern.None)
            {
                markerInfo.label = GetItemMarkerLabel(step.itemPattern);
                markerInfo.color = new Color(0.38f, 0.93f, 0.57f, 0.98f);
                markerInfo.kind = "Item";
                return true;
            }

            if(step.coursePlatformType == PlatformSpawner.CoursePlatformType.ForceHit
                || step.platformPattern == Platform.PlatformPattern.ForceHit)
            {
                markerInfo.label = "!";
                markerInfo.color = new Color(1f, 0.34f, 0.28f, 0.98f);
                markerInfo.kind = "ForceHit";
                return true;
            }

            if(step.guideType == TutorialGuideType.DoubleJump || step.spawnInterval >= 1.4f)
            {
                markerInfo.label = "2";
                markerInfo.color = new Color(0.40f, 0.89f, 1f, 0.98f);
                markerInfo.kind = "DoubleJump";
                return true;
            }

            if(step.coursePlatformType == PlatformSpawner.CoursePlatformType.Slide
                || step.platformPattern == Platform.PlatformPattern.Slide)
            {
                markerInfo.label = "S";
                markerInfo.color = new Color(0.47f, 0.63f, 1f, 0.98f);
                markerInfo.kind = "Slide";
                return true;
            }

            if(step.coursePlatformType == PlatformSpawner.CoursePlatformType.Jump
                || step.platformPattern == Platform.PlatformPattern.LowLeft
                || step.platformPattern == Platform.PlatformPattern.LowMid
                || step.platformPattern == Platform.PlatformPattern.LowRight)
            {
                markerInfo.label = "J";
                markerInfo.color = new Color(1f, 0.83f, 0.28f, 0.98f);
                markerInfo.kind = "Jump";
                return true;
            }

            return false;
        }

        private string GetItemMarkerLabel(Platform.ItemPattern itemPattern) {
            switch(itemPattern)
            {
                case Platform.ItemPattern.HealthSushi:
                    return "+";
                case Platform.ItemPattern.InvincibleRamen:
                    return "R";
                case Platform.ItemPattern.Shield:
                    return "G";
                case Platform.ItemPattern.SpeedShoes:
                    return "V";
                case Platform.ItemPattern.MileageCard:
                    return "M";
                default:
                    return "I";
            }
        }

        private void CreatePlatformPiece(float progress, float width, Color color) {
            Image platformImage = CreateBlock(rootRect, "Course Platform", new Vector2(GetCourseX(progress), GroundY), new Vector2(width, PlatformHeight), color);
            markerObjects.Add(platformImage.gameObject);
        }

        private Color GetPlatformColor(PlatformSpawner.TutorialStep step) {
            if(step != null && step.spawnInterval >= 1.4f)
            {
                return new Color(0.28f, 0.50f, 0.57f, 0.96f);
            }

            return new Color(0.33f, 0.63f, 0.70f, 0.96f);
        }

        private void CreateCourseFeature(float progress, MarkerInfo markerInfo) {
            if(markerInfo.kind == "Slide")
            {
                CreateSlideFeature(progress, markerInfo);
                return;
            }

            if(markerInfo.kind == "ForceHit")
            {
                CreateJumpFeature(progress, markerInfo);
                CreateSlideFeature(progress, markerInfo);
                return;
            }

            if(markerInfo.kind == "Item")
            {
                CreateItemFeature(progress, markerInfo);
                return;
            }

            if(markerInfo.kind == "DoubleJump")
            {
                CreateDoubleJumpFeature(progress, markerInfo);
                return;
            }

            CreateJumpFeature(progress, markerInfo);
        }

        private void CreateJumpFeature(float progress, MarkerInfo markerInfo) {
            float x = GetCourseX(progress);
            Image obstacle = CreateBlock(rootRect, "Jump Obstacle", new Vector2(x, GroundY + 8f), new Vector2(10f, 12f), markerInfo.color);
            markerObjects.Add(obstacle.gameObject);
            CreateTinyLabel(markerInfo.label, new Vector2(x, GroundY + 8f), new Color(0.02f, 0.04f, 0.05f, 0.95f));
        }

        private void CreateSlideFeature(float progress, MarkerInfo markerInfo) {
            float x = GetCourseX(progress);
            Image ceiling = CreateBlock(rootRect, "Slide Ceiling", new Vector2(x, CeilingY), new Vector2(32f, 6f), new Color(0.56f, 0.70f, 0.98f, 0.95f));
            markerObjects.Add(ceiling.gameObject);
            Image hanging = CreateBlock(rootRect, "Slide Hanging Obstacle", new Vector2(x, CeilingY - 8f), new Vector2(18f, 10f), markerInfo.color);
            markerObjects.Add(hanging.gameObject);
            CreateTinyLabel(markerInfo.label, new Vector2(x, CeilingY - 8f), new Color(0.02f, 0.04f, 0.05f, 0.95f));
        }

        private void CreateItemFeature(float progress, MarkerInfo markerInfo) {
            float x = GetCourseX(progress);
            GameObject markerObject = new GameObject("Course Marker " + markerInfo.label, typeof(RectTransform), typeof(CanvasRenderer), typeof(Image));
            markerObject.transform.SetParent(rootRect, false);

            RectTransform markerRect = markerObject.GetComponent<RectTransform>();
            markerRect.anchorMin = new Vector2(0.5f, 0.5f);
            markerRect.anchorMax = new Vector2(0.5f, 0.5f);
            markerRect.pivot = new Vector2(0.5f, 0.5f);
            markerRect.anchoredPosition = new Vector2(x, GroundY + 15f);
            markerRect.sizeDelta = new Vector2(11f, 11f);

            Image markerImage = markerObject.GetComponent<Image>();
            markerImage.color = markerInfo.color;
            markerImage.raycastTarget = false;

            TextMeshProUGUI markerText = CreateText(markerObject.transform, "Label", Vector2.zero, new Vector2(11f, 11f), 6.4f, TextAlignmentOptions.Center);
            markerText.color = new Color(0.02f, 0.04f, 0.05f, 0.95f);
            markerText.fontStyle = FontStyles.Bold;
            markerText.text = markerInfo.label;

            markerObjects.Add(markerObject);
        }

        private void CreateDoubleJumpFeature(float progress, MarkerInfo markerInfo) {
            float x = GetCourseX(progress);
            Image gapMarker = CreateBlock(rootRect, "Double Jump Gap", new Vector2(x, GroundY + 14f), new Vector2(24f, 3f), markerInfo.color);
            markerObjects.Add(gapMarker.gameObject);
            CreateTinyLabel(markerInfo.label, new Vector2(x, GroundY + 21f), markerInfo.color);
        }

        private void CreateTinyLabel(string label, Vector2 anchoredPosition, Color color) {
            TextMeshProUGUI markerText = CreateText(rootRect, "Course Label " + label, anchoredPosition, new Vector2(14f, 11f), 6.4f, TextAlignmentOptions.Center);
            markerText.color = color;
            markerText.fontStyle = FontStyles.Bold;
            markerText.text = label;
            markerObjects.Add(markerText.gameObject);
        }

        private TextMeshProUGUI CreateText(Transform parent, string objectName, Vector2 anchoredPosition, Vector2 sizeDelta, float fontSize, TextAlignmentOptions alignment) {
            GameObject textObject = new GameObject(objectName, typeof(RectTransform), typeof(CanvasRenderer));
            textObject.transform.SetParent(parent, false);

            RectTransform textRect = textObject.GetComponent<RectTransform>();
            textRect.anchorMin = new Vector2(0.5f, 0.5f);
            textRect.anchorMax = new Vector2(0.5f, 0.5f);
            textRect.pivot = new Vector2(0.5f, 0.5f);
            textRect.anchoredPosition = anchoredPosition;
            textRect.sizeDelta = sizeDelta;

            TextMeshProUGUI text = textObject.AddComponent<TextMeshProUGUI>();
            text.font = fontAsset;
            text.alignment = alignment;
            text.fontSize = fontSize;
            text.color = new Color(0.88f, 0.96f, 1f, 0.92f);
            text.raycastTarget = false;
            text.textWrappingMode = TextWrappingModes.NoWrap;
            return text;
        }

        private Image CreateBlock(Transform parent, string objectName, Vector2 anchoredPosition, Vector2 sizeDelta, Color color) {
            GameObject blockObject = new GameObject(objectName, typeof(RectTransform), typeof(CanvasRenderer), typeof(Image));
            blockObject.transform.SetParent(parent, false);

            RectTransform blockRect = blockObject.GetComponent<RectTransform>();
            blockRect.anchorMin = new Vector2(0.5f, 0.5f);
            blockRect.anchorMax = new Vector2(0.5f, 0.5f);
            blockRect.pivot = new Vector2(0.5f, 0.5f);
            blockRect.anchoredPosition = anchoredPosition;
            blockRect.sizeDelta = sizeDelta;

            Image image = blockObject.GetComponent<Image>();
            image.color = color;
            image.raycastTarget = false;
            return image;
        }

        private float GetCourseX(float progress) {
            return (-CourseWidth * 0.5f) + (CourseWidth * Mathf.Clamp01(progress));
        }

        private void ClearMarkers() {
            for(int i = 0; i < markerObjects.Count; i++)
            {
                if(markerObjects[i] != null)
                {
                    Object.Destroy(markerObjects[i]);
                }
            }

            markerObjects.Clear();
        }
    }
}