using UnityEngine;
using System.Collections.Generic;
using DG.Tweening;
using AibisDream.Framework;
using AibisDream;
using System;
using System.Collections;

public class FavoritesManager : MonoBehaviour
{
    public static FavoritesManager Instance;

    private readonly ClueData _clueData = new();

    public GameObject favoritesUI; // 收藏夹UI
    private RectTransform favoritesUIRectTransform;

    public Transform punchTapeContent; // 打孔带分类的Content

    public GameObject clueItemPrefab; // 收藏夹中线索Item的预制件

    public GameObject imageClueItemPrefab; // 收藏夹中线索Item的预制件

    public GameObject punchTapePanel; // 打孔带分类面板

    private Vector2 hiddenPosition; // 收藏夹隐藏时的位置
    private Vector2 visiblePosition; // 收藏夹显示时的位置


    private void Awake()
    {
        Instance = this;
        StorageSystem.Instance.RegisterData(_clueData);
        // 添加加载逻辑
        _clueData.LoadEvent += LoadData;
    }

    private void LoadData(ClueData cluedata)
    {
        UpdateFavoritesUI();
    }

    private void Start()
    {
        favoritesUIRectTransform = favoritesUI.GetComponent<RectTransform>();
        hiddenPosition = new Vector2(favoritesUIRectTransform.anchoredPosition.x * 2,
            favoritesUIRectTransform.anchoredPosition.y);
        visiblePosition = new Vector2(favoritesUIRectTransform.anchoredPosition.x, 0);
        // 设置收藏夹的初始位置为隐藏
        favoritesUIRectTransform.anchoredPosition = hiddenPosition;
        favoritesUI.SetActive(false);

        ShowPunchTapeFavorites();
    }

    public void AddClue(Clue clue)
    {
        if (clue is PunchTape punchTape)
        {
            if (!_clueData.punchTapeFavorites.Contains(punchTape))
            {
                _clueData.punchTapeFavorites.Add(punchTape);
                UpdateFavoritesUI();
            }
        }
    }

    public void RemoveClue(Clue clue)
    {
        if (clue is PunchTape punchTape)
        {
            if (_clueData.punchTapeFavorites.Contains(punchTape))
            {
                _clueData.punchTapeFavorites.Remove(punchTape);
                UpdateFavoritesUI();
            }
        }
    }

    private void UpdateFavoritesUI()
    {
        // 清空现有的UI元素
        foreach (Transform child in punchTapeContent)
        {
            Destroy(child.gameObject);
        }

        // 重新创建剩余线索的UI
        foreach (PunchTape clue in _clueData.punchTapeFavorites)
        {
            GameObject clueItemGO;
            ClueItem clueItem;
            ClueInteraction clueInteraction;

            // 根据 ClueType 实例化不同的预制件
            if (clue.ClueType == ClueType.PunchTape)
            {
                clueItemGO = Instantiate(clueItemPrefab, punchTapeContent);
            }
            else if (clue.ClueType == ClueType.ImageClue)
            {
                clueItemGO = Instantiate(imageClueItemPrefab, punchTapeContent);
            }
            else
            {
                continue; // 如果有其他 ClueType，不处理并继续
            }

            // 设置 ClueItem 和 ClueInteraction
            clueItem = clueItemGO.GetComponent<ClueItem>();

            clueInteraction = clueItemGO.GetComponent<ClueInteraction>();
            clueItem.Setup(clue);
            clueInteraction.SetIsFavorited(true);
        }
    }

    public void OpenFavorites()
    {
        UpdateFavoritesUI();
        favoritesUI.SetActive(true);
        ShowPunchTapeFavorites();

        // 用DOTween从右侧移动到可见区域
        favoritesUIRectTransform.DOAnchorPos(visiblePosition, 0.5f); // 移动动画，持续0.5秒
    }

    public void CloseFavorites()
    {
        UpdateFavoritesUI();

        // 用DOTween移动回右侧屏幕外
        favoritesUIRectTransform.DOAnchorPos(hiddenPosition, 0.5f).OnComplete(() =>
        {
            favoritesUI.SetActive(false); // 移动完成后隐藏UI
        });
    }

    private void ShowPunchTapeFavorites()
    {
        UpdateFavoritesUI();
        punchTapePanel.SetActive(true);
    }
}

public class ClueData : IData
{
    public readonly List<PunchTape> punchTapeFavorites = new();
    public event Action<ClueData> LoadEvent;

    public IEnumerator Load()
    {
        LoadEvent?.Invoke(this);
        yield break;
    }
}