using TMPro;
using UnityEngine;
using UnityEngine.UI;

public partial class GameFlowManager {
    private void ShowResult() {
        if(TryLoadFlowScene(ResultSceneName))
        {
            return;
        }

        EnsureOverlay();
        ClearOverlay();
        SetOverlayVisible(true);
        BuildResultScreen();
    }

    private void BuildResultScreen() {
        ApplyResultAirportBackground();

        MapDefinition resultMap = completedMap != null ? completedMap : currentMap;
        int rewardMileage = lastResultCleared && resultMap != null ? resultMap.clearMileageReward : 0;
        int gainedMileage = Mathf.Max(0, lastResultMileage) + rewardMileage;
        int targetDistance = resultMap != null ? Mathf.FloorToInt(resultMap.targetDistance) : 0;
        int shownDistance = targetDistance > 0
            ? Mathf.Clamp(Mathf.FloorToInt(lastResultDistance), 0, targetDistance)
            : Mathf.Max(0, Mathf.FloorToInt(lastResultDistance));

        RectTransform passportRect = AddResultPassportPanel();
        AddResultHeader(passportRect, resultMap);
        AddResultStats(passportRect, gainedMileage, shownDistance, targetDistance);
        AddResultTickets(passportRect, resultMap, rewardMileage);

        if(lastResultCleared)
        {
            AddResultActionButton("면세점으로", ShowDutyFreeShop, new Vector2(-166f, -282f), new Vector2(250f, 48f), true, LoadUiSprite("", DutyFreeIconAssetPath));
            AddResultActionButton("다음 여행지 가기", ShowMapPreview, new Vector2(160f, -282f), new Vector2(292f, 48f), false, LoadUiSprite("", AirplaneTravelIconAssetPath));
        }
        else
        {
            AddResultActionButton("다시 도전", RetryCurrentMap, new Vector2(-166f, -282f), new Vector2(250f, 48f), true, LoadUiSprite("", CheckpointIconAssetPath));
            AddResultActionButton("다음 여행지 가기", ShowMapPreview, new Vector2(160f, -282f), new Vector2(292f, 48f), false, LoadUiSprite("", AirplaneTravelIconAssetPath));
        }
    }

    private void ApplyResultAirportBackground() {
        if(overlayBackground != null)
        {
            overlayBackground.sprite = LoadUiSprite(ResultAirportBackgroundResourcePath, "Assets/Resources/Map_Tutorial_Incheon_Airport.png");
            overlayBackground.preserveAspect = false;
            overlayBackground.color = overlayBackground.sprite != null
                ? Color.white
                : new Color(0.008f, 0.024f, 0.034f, 0.96f);
        }

        if(flowCamera != null)
        {
            flowCamera.backgroundColor = new Color(0.006f, 0.022f, 0.035f, 1f);
        }

        GameObject scrimObject = CreateUiObject("Result Airport Background Scrim", overlayRoot, typeof(Image));
        RectTransform scrimRect = scrimObject.GetComponent<RectTransform>();
        scrimRect.anchorMin = Vector2.zero;
        scrimRect.anchorMax = Vector2.one;
        scrimRect.offsetMin = Vector2.zero;
        scrimRect.offsetMax = Vector2.zero;

        Image scrimImage = scrimObject.GetComponent<Image>();
        scrimImage.color = new Color(0.005f, 0.015f, 0.020f, 0.30f);
        scrimImage.raycastTarget = false;
    }

    private RectTransform AddResultPassportPanel() {
        GameObject panelObject = CreateUiObject("Result Passport Page", overlayRoot, typeof(Image));
        RectTransform panelRect = panelObject.GetComponent<RectTransform>();
        panelRect.anchorMin = new Vector2(0.5f, 0.5f);
        panelRect.anchorMax = new Vector2(0.5f, 0.5f);
        panelRect.pivot = new Vector2(0.5f, 0.5f);
        panelRect.anchoredPosition = new Vector2(0f, 38f);
        panelRect.sizeDelta = new Vector2(1092f, 330f);

        Image panelImage = panelObject.GetComponent<Image>();
        panelImage.sprite = LoadUiSprite(ResultPassportPanelResourcePath, ResultPassportPanelAssetPath);
        panelImage.color = panelImage.sprite != null
            ? Color.white
            : new Color(0.95f, 0.91f, 0.80f, 0.98f);
        panelImage.preserveAspect = true;
        panelImage.raycastTarget = false;

        return panelRect;
    }

    private void AddResultHeader(RectTransform parent, MapDefinition resultMap) {
        Sprite rankSprite = LoadUiSprite("", ClearRankIconAssetPath);

        AddResultImage(parent, "Result Rank Badge", rankSprite, new Vector2(150f, -140f), new Vector2(48f, 48f), true, Color.white);

        string title = lastResultCleared ? "출국 성공" : "일정 실패";
        Color titleColor = lastResultCleared
            ? new Color(0.05f, 0.17f, 0.27f, 1f)
            : new Color(0.52f, 0.08f, 0.07f, 1f);
        AddResultCenteredText(parent, "Result Title", title, new Vector2(244f, -140f), new Vector2(220f, 50f), 25f, FontStyles.Bold, titleColor, TextAlignmentOptions.Center);

        AddResultRouteBox(parent, "From", GetResultOriginAirportCode(resultMap), GetResultOriginCityName(resultMap), new Vector2(440f, -122f));
        AddResultRouteBox(parent, "To", GetResultDestinationAirportCode(resultMap), GetResultDestinationCityName(resultMap), new Vector2(660f, -122f));
        AddResultBoardingField(parent, "Flight", "항공편", GetResultFlightName(resultMap), new Vector2(400f, -253f));
        AddResultBoardingField(parent, "Seat", "좌석", GetResultSeatName(resultMap), new Vector2(497f, -253f));
        AddResultBoardingField(parent, "Boarding", "탑승", System.DateTime.Now.ToString("HH:mm"), new Vector2(595f, -253f));
        AddResultBoardingField(parent, "Class", "클래스", lastResultCleared ? "일반석" : "대기", new Vector2(695f, -253f));
    }

    private void AddResultStats(RectTransform parent, int gainedMileage, int shownDistance, int targetDistance) {
        AddResultStat(parent, "Mileage", LoadUiSprite("", MileageIconAssetPath), "마일리지", "+" + gainedMileage, new Vector2(812f, -140f));
        AddResultStat(parent, "Time", LoadUiSprite("", TimerIconAssetPath), "도착 시간", lastResultTime.ToString("0.0") + "s", new Vector2(903f, -140f));

        string distance = targetDistance > 0
            ? shownDistance + "/" + targetDistance + "m"
            : shownDistance + "m";
        AddResultStat(parent, "Distance", LoadUiSprite("", CheckpointIconAssetPath), "이동 거리", distance, new Vector2(993f, -140f));
    }

    private void AddResultTickets(RectTransform parent, MapDefinition resultMap, int rewardMileage) {
        AddResultTicket(
            parent,
            "Destination",
            LoadUiSprite("", CheckpointIconAssetPath),
            "목적지",
            GetResultDestinationCityName(resultMap),
            new Vector2(812f, -251f));

        AddResultTicket(
            parent,
            "Souvenir",
            lastResultCleared ? GetResultSouvenirSprite(resultMap) : LoadUiSprite("", SouvenirCollectionIconAssetPath),
            "보상",
            lastResultCleared ? GetResultSouvenirName(resultMap) : "다음 도전",
            new Vector2(900f, -251f));

        AddResultTicket(
            parent,
            "Total Mileage",
            LoadUiSprite("", MileageIconAssetPath),
            "보유",
            saveData.totalMileage + " M",
            new Vector2(991f, -251f));
    }

    private void AddResultStat(RectTransform parent, string objectName, Sprite iconSprite, string label, string value, Vector2 centerPosition) {
        AddResultImage(parent, "Result " + objectName + " Icon", iconSprite, centerPosition + new Vector2(0f, 5f), new Vector2(26f, 26f), true, Color.white);
        AddResultCenteredText(parent, "Result " + objectName + " Value", value, centerPosition + new Vector2(0f, -17f), new Vector2(90f, 22f), 12f, FontStyles.Bold, new Color(0.05f, 0.17f, 0.25f, 1f), TextAlignmentOptions.Center);
        AddResultCenteredText(parent, "Result " + objectName + " Label", label, centerPosition + new Vector2(0f, -32f), new Vector2(90f, 16f), 8f, FontStyles.Bold, new Color(0.42f, 0.58f, 0.64f, 0.92f), TextAlignmentOptions.Center);
    }

    private void AddResultTicket(RectTransform parent, string objectName, Sprite iconSprite, string label, string value, Vector2 centerPosition) {
        AddResultImage(parent, "Result " + objectName + " Icon", iconSprite, centerPosition + new Vector2(0f, 27f), new Vector2(34f, 34f), true, Color.white);
        AddResultCenteredText(parent, "Result " + objectName + " Label", label, centerPosition + new Vector2(0f, -9f), new Vector2(110f, 18f), 11f, FontStyles.Bold, new Color(0.43f, 0.58f, 0.64f, 0.96f), TextAlignmentOptions.Center);
        AddResultCenteredText(parent, "Result " + objectName + " Value", value, centerPosition + new Vector2(0f, -35f), new Vector2(118f, 26f), 11f, FontStyles.Bold, new Color(0.05f, 0.18f, 0.27f, 1f), TextAlignmentOptions.Center);
    }

    private void AddResultRouteBox(RectTransform parent, string objectName, string code, string cityName, Vector2 centerPosition) {
        AddResultCenteredText(parent, "Result " + objectName + " Airport Code", code, centerPosition + new Vector2(0f, 7f), new Vector2(150f, 48f), 34f, FontStyles.Bold, new Color(0.05f, 0.17f, 0.27f, 1f), TextAlignmentOptions.Center);
        AddResultCenteredText(parent, "Result " + objectName + " City", cityName, centerPosition + new Vector2(0f, -30f), new Vector2(160f, 22f), 12f, FontStyles.Bold, new Color(0.43f, 0.58f, 0.64f, 0.96f), TextAlignmentOptions.Center);
    }

    private void AddResultBoardingField(RectTransform parent, string objectName, string label, string value, Vector2 centerPosition) {
        AddResultCenteredText(parent, "Result " + objectName + " Label", label, centerPosition + new Vector2(0f, 13f), new Vector2(104f, 17f), 9f, FontStyles.Bold, new Color(0.43f, 0.58f, 0.64f, 0.96f), TextAlignmentOptions.Center);
        AddResultCenteredText(parent, "Result " + objectName + " Value", value, centerPosition + new Vector2(0f, -12f), new Vector2(108f, 28f), 14f, FontStyles.Bold, new Color(0.05f, 0.18f, 0.27f, 1f), TextAlignmentOptions.Center);
    }

    private void AddResultActionButton(string label, UnityEngine.Events.UnityAction action, Vector2 position, Vector2 size, bool primary, Sprite iconSprite) {
        GameObject buttonObject = CreateUiObject("Result Button " + label, overlayRoot, typeof(Image), typeof(Button));
        RectTransform buttonRect = buttonObject.GetComponent<RectTransform>();
        buttonRect.anchorMin = new Vector2(0.5f, 0.5f);
        buttonRect.anchorMax = new Vector2(0.5f, 0.5f);
        buttonRect.pivot = new Vector2(0.5f, 0.5f);
        buttonRect.anchoredPosition = position;
        buttonRect.sizeDelta = size;

        Image buttonImage = buttonObject.GetComponent<Image>();
        buttonImage.sprite = LoadUiSprite(ResultButtonResourcePath, ResultButtonAssetPath);
        buttonImage.color = buttonImage.sprite != null
            ? (primary ? Color.white : new Color(0.86f, 0.94f, 1f, 0.94f))
            : primary
                ? new Color(1f, 0.82f, 0.28f, 0.98f)
                : new Color(0.82f, 0.91f, 0.96f, 0.90f);
        buttonImage.preserveAspect = false;
        buttonImage.raycastTarget = true;

        Button button = buttonObject.GetComponent<Button>();
        button.onClick.AddListener(action);

        if(iconSprite != null)
        {
            AddResultImage(buttonRect, "Result Button Icon", iconSprite, new Vector2(34f, -(size.y * 0.5f)), new Vector2(24f, 24f), true, Color.white);
        }

        TextMeshProUGUI buttonText = AddResultText(buttonRect, "Result Button Label", label, new Vector2(iconSprite != null ? 54f : 0f, -1f), new Vector2(iconSprite != null ? size.x - 70f : size.x, size.y), 16f, FontStyles.Bold, new Color(0.94f, 0.99f, 1f, 1f), TextAlignmentOptions.Center);
        RectTransform textRect = buttonText.rectTransform;
        textRect.anchorMin = new Vector2(0f, 0.5f);
        textRect.anchorMax = new Vector2(0f, 0.5f);
        textRect.pivot = new Vector2(0f, 0.5f);
        buttonText.outlineColor = new Color(0f, 0.04f, 0.07f, 0.98f);
        buttonText.outlineWidth = 0.12f;
    }

    private Image AddResultImage(RectTransform parent, string objectName, Sprite sprite, Vector2 position, Vector2 size, bool preserveAspect, Color color) {
        GameObject imageObject = CreateUiObject(objectName, parent, typeof(Image));
        RectTransform imageRect = imageObject.GetComponent<RectTransform>();
        imageRect.anchorMin = new Vector2(0f, 1f);
        imageRect.anchorMax = new Vector2(0f, 1f);
        imageRect.pivot = new Vector2(0.5f, 0.5f);
        imageRect.anchoredPosition = position;
        imageRect.sizeDelta = size;

        Image image = imageObject.GetComponent<Image>();
        image.sprite = sprite;
        image.color = sprite != null ? color : new Color(0.30f, 0.46f, 0.54f, 0.28f);
        image.preserveAspect = preserveAspect;
        image.raycastTarget = false;
        return image;
    }

    private TextMeshProUGUI AddResultText(RectTransform parent, string objectName, string text, Vector2 position, Vector2 size, float fontSize, FontStyles fontStyle, Color color, TextAlignmentOptions alignment) {
        GameObject textObject = CreateUiObject(objectName, parent);
        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 = position;
        textRect.sizeDelta = size;

        TextMeshProUGUI textComponent = textObject.AddComponent<TextMeshProUGUI>();
        textComponent.text = text;
        textComponent.font = runtimeFont != null ? runtimeFont : textComponent.font;
        textComponent.fontSize = fontSize;
        textComponent.fontStyle = fontStyle;
        textComponent.alignment = alignment;
        textComponent.color = color;
        textComponent.raycastTarget = false;
        textComponent.textWrappingMode = TextWrappingModes.Normal;
        textComponent.overflowMode = TextOverflowModes.Ellipsis;
        textComponent.enableAutoSizing = true;
        textComponent.fontSizeMin = Mathf.Max(8f, fontSize * 0.66f);
        textComponent.fontSizeMax = fontSize;
        return textComponent;
    }

    private TextMeshProUGUI AddResultCenteredText(RectTransform parent, string objectName, string text, Vector2 centerPosition, Vector2 size, float fontSize, FontStyles fontStyle, Color color, TextAlignmentOptions alignment) {
        Vector2 topLeftPosition = centerPosition + new Vector2(-size.x * 0.5f, size.y * 0.5f);
        return AddResultText(parent, objectName, text, topLeftPosition, size, fontSize, fontStyle, color, alignment);
    }

    private string GetResultOriginAirportCode(MapDefinition resultMap) {
        return GetAirportCode(GetResultOriginMapId(resultMap));
    }

    private string GetResultDestinationAirportCode(MapDefinition resultMap) {
        return GetAirportCode(GetResultDestinationMapId(resultMap));
    }

    private string GetResultOriginCityName(MapDefinition resultMap) {
        return GetAirportCityName(GetResultOriginMapId(resultMap));
    }

    private string GetResultDestinationCityName(MapDefinition resultMap) {
        return GetAirportCityName(GetResultDestinationMapId(resultMap));
    }

    private MapId GetResultOriginMapId(MapDefinition resultMap) {
        if(resultMap == null)
        {
            return MapId.TutorialIncheon;
        }

        return resultMap.mapId;
    }

    private MapId GetResultDestinationMapId(MapDefinition resultMap) {
        if(resultMap == null)
        {
            return MapId.Japan;
        }

        if(resultMap.hasNextMap)
        {
            return resultMap.nextMapId;
        }

        return resultMap.mapId;
    }

    private string GetAirportCode(MapId mapId) {
        switch(mapId)
        {
            case MapId.TutorialIncheon:
                return "ICN";
            case MapId.Japan:
                return "FUK";
            case MapId.China:
                return "PVG";
            case MapId.America:
                return "LAX";
            default:
                return "TRP";
        }
    }

    private string GetAirportCityName(MapId mapId) {
        switch(mapId)
        {
            case MapId.TutorialIncheon:
                return "인천공항";
            case MapId.Japan:
                return "후쿠오카";
            case MapId.China:
                return "상하이";
            case MapId.America:
                return "로스앤젤레스";
            default:
                return "여행지";
        }
    }

    private string GetResultFlightName(MapDefinition resultMap) {
        int mapNumber = resultMap != null ? (int)resultMap.mapId + 1 : 1;
        return "UNR-" + mapNumber.ToString("000");
    }

    private string GetResultSeatName(MapDefinition resultMap) {
        int mapNumber = resultMap != null ? (int)resultMap.mapId + 1 : 1;
        return (10 + mapNumber).ToString() + "A";
    }

    private string GetResultSouvenirName(MapDefinition resultMap) {
        if(resultMap == null)
        {
            return "여행 도장";
        }

        switch(resultMap.mapId)
        {
            case MapId.TutorialIncheon:
                return "공항 마그넷";
            case MapId.Japan:
                return "일본 마그넷";
            case MapId.China:
                return "여행 부적";
            case MapId.America:
                return "스카이라인";
            default:
                return "여행 도장";
        }
    }

    private Sprite GetResultSouvenirSprite(MapDefinition resultMap) {
        if(resultMap == null)
        {
            return LoadUiSprite("", SouvenirCollectionIconAssetPath);
        }

        switch(resultMap.mapId)
        {
            case MapId.TutorialIncheon:
                return LoadUiSprite("", AirportSouvenirAssetPath);
            case MapId.Japan:
                return LoadUiSprite("", JapanSouvenirAssetPath);
            case MapId.China:
                return LoadUiSprite("", ChinaSouvenirAssetPath);
            case MapId.America:
                return LoadUiSprite("", AmericaSouvenirAssetPath);
            default:
                return LoadUiSprite("", SouvenirCollectionIconAssetPath);
        }
    }


}