using UnityEngine;
using UnityEngine.UI;
using QFramework;
using System.Collections.Generic;
using UnityEngine.EventSystems;
using System;
using TMPro;
using System.Xml;
using System.Linq;

namespace QFramework.Example
{
    public class UIImageSelectMapData : UIPanelData
    {
        public class OptionItem
        {
            public string pic;
            public string name;
        }
        public class Row
        {
            public string name;
            public List<OptionItem> items = new List<OptionItem>();
        }
        public string scoreName;
        public float totalScore;
        public float rightScore;
        public float wrongScore;
        public string rightLabel;
        public string wrongLabel;
        public string finishedEvent;
        public bool random = false;
        public List<Row> rows = new List<Row>();

    }
    public partial class UIImageSelectMap : UIPanel
    {
        /// <summary>
        /// 右侧数据结构
        /// </summary>
        class RightDataItem
        {
            public GameObject rightObj;
            public bool isRight = false;
        }
        ResLoader loader;
        GameObject moveObj;
        GameObject enterRight;
        GameObject leftDragObj;
        Dictionary<GameObject, UIImageSelectMapData.OptionItem> itemDatas = new Dictionary<GameObject, UIImageSelectMapData.OptionItem>();
        Dictionary<GameObject, RightDataItem> leftAndRightMap = new Dictionary<GameObject, RightDataItem>();

        // 新增：存储分类行对象和数据的映射
        Dictionary<GameObject, UIImageSelectMapData.Row> rowMap = new Dictionary<GameObject, UIImageSelectMapData.Row>();

        protected override void OnInit(IUIData uiData = null)
        {
            mData = uiData as UIImageSelectMapData ?? new UIImageSelectMapData();
            TypeEventSystem.Global.Register<OnModuleQuit>(OnModuleQuitHandler);
            // please add init code here
            loader = ResLoader.Allocate();
        }

        protected override void OnOpen(IUIData uiData = null)
        {
            mData = uiData as UIImageSelectMapData ?? new UIImageSelectMapData();
            LeftContent.RemoveAllChildren();
            RightContent.RemoveAllChildren();
            itemDatas.Clear();
            leftAndRightMap.Clear();
            rowMap.Clear(); // 清空行映射

            foreach (var row in mData.rows)
            {
                GameObject rowObj = GameObject.Instantiate(RightRowItem.gameObject, RightContent);
                var typeText = rowObj.transform.Find("Type").GetComponent<TextMeshProUGUI>();
                typeText.text = row.name.Replace("\\n", "\n");
                rowObj.name = row.name.Replace("\\n", "\n");
                Transform itemContent = rowObj.transform.Find("Items");

                // 存储行对象和数据的映射
                rowMap.Add(rowObj, row);

                foreach (var item in row.items)
                {
                    var rightObj = GameObject.Instantiate(RightItem, itemContent);
                    var nameText = rightObj.transform.Find("Name").GetComponent<TextMeshProUGUI>();
                    nameText.text = item.name;
                    nameText.color = Color.white;
                    rightObj.name = item.name;
                    rightObj.transform.Find("PicBg/Pic").GetComponent<Image>().color = new Color(1, 1, 1, 0);
                    rightObj.OnPointerEnterEvent(RightOnEnter);
                    rightObj.OnPointerExitEvent(RightOnExit);
                    rightObj.OnPointerClickEvent(RightOnClick);

                    var leftObj = GameObject.Instantiate(LeftItem, LeftContent);
                    leftObj.name = row.name + "|" + item.name;
                    var path = Global.deviceIconsPath + item.pic;
                    loader.Add2Load(path.ToNetImageResName(), (success, res) =>
                    {
                        if (success)
                        {
                            leftObj.GetComponent<Image>().sprite = Utility.GetSprite(res.Asset as Texture2D);
                        }
                    });

                    leftObj.OnBeginDragEvent(LeftOnBeginDrag);
                    leftObj.OnDragEvent(LeftOnDrag);
                    leftObj.OnEndDragEvent(LeftOnEndDrag);
                    itemDatas.Add(leftObj.gameObject, item);
                }
            }

            if (mData.random)
            {
                Utility.ShuffleChildObjects(LeftContent);
            }

            loader.LoadAsync();
        }

        private void OnModuleQuitHandler(OnModuleQuit quit)
        {
            Hide();
        }

        private void RightOnClick(PointerEventData data)
        {
            Transform trans = data.pointerClick.transform;
            if (leftAndRightMap.ContainsKey(trans.gameObject))
            {
                leftAndRightMap[trans.gameObject].rightObj.SetActive(true);
                trans.GetComponent<Image>().color = Color.white;
                trans.Find("PicBg/Pic").GetComponent<Image>().color = new Color(1, 1, 1, 0);

                enterRight.transform.Find("Name").GetComponent<TextMeshProUGUI>().color = Color.white;
                leftAndRightMap.Remove(trans.gameObject);
            }
        }

        private void RightOnExit(PointerEventData data)
        {
            enterRight = null;
        }

        private void RightOnEnter(PointerEventData data)
        {
            enterRight = data.pointerEnter.gameObject;
        }

        private void LeftOnBeginDrag(PointerEventData data)
        {
            leftDragObj = data.pointerDrag;
            moveObj = GameObject.Instantiate(leftDragObj, gameObject.transform);
            moveObj.name = moveObj.name.Replace("(Clone)", "");
            moveObj.GetComponent<RectTransform>().sizeDelta = LeftContent.GetComponent<GridLayoutGroup>().cellSize;
            moveObj.GetComponent<Image>().raycastTarget = false;
        }

        private void LeftOnEndDrag(PointerEventData data)
        {
            if (enterRight == null || leftAndRightMap.ContainsKey(enterRight))
                return;

            //TextMeshProUGUI nameText = enterRight.transform.Find("Name").GetComponent<TextMeshProUGUI>();

           //Image  Frame = enterRight.transform.Find("Frame").GetComponent<Image>();
            bool isRight = false;

            // 获取正确的分类数据
            UIImageSelectMapData.Row categoryRow = GetCategoryRow(enterRight);
            if (categoryRow == null)
            {
                Debug.LogError("无法找到对应的分类数据");
                return;
            }

            var draggedItem = itemDatas[leftDragObj];
            bool foundMatch = CheckItemInCategory(draggedItem, categoryRow);

            // 更新UI反馈
            if (foundMatch)
            {
                //Frame.color = Color.green;
                //nameText.color = Color.green;
                isRight = true;
                Debug.Log($"正确匹配: {draggedItem.name} 到分类 {categoryRow.name}");
            }
            else
            {
                //Frame.color = Color.red;
                //nameText.color = Color.red;
                Debug.Log($"错误匹配: {draggedItem.name} 到分类 {categoryRow.name}");
            }

            // 更新图片显示
            //Image img = enterRight.transform.Find("PicBg/Pic").GetComponent<Image>();
            //img.sprite = moveObj.GetComponent<Image>().sprite;
            //img.color = Color.white;

            // 记录匹配结果
            leftAndRightMap.Add(enterRight, new RightDataItem { rightObj = leftDragObj, isRight = isRight });
            leftDragObj.SetActive(false);

            // 检查当前分类是否完成
            if (isRight && CheckCategoryCompletion(categoryRow))
            {
                if (!string.IsNullOrEmpty(mData.finishedEvent))
                {
                    StringEventSystem.Global.Send(mData.finishedEvent);
                    Debug.Log($"分类 {categoryRow.name} 已完成，触发完成事件");
                }
            }

            // 清理拖拽对象
            GameObject.Destroy(moveObj);
            moveObj = null;
            leftDragObj = null;
        }

        // 获取分类行数据
        private UIImageSelectMapData.Row GetCategoryRow(GameObject targetObj)
        {
            Transform parentTransform = targetObj.transform.parent;

            // 查找行对象
            while (parentTransform != null && parentTransform != RightContent.transform)
            {
                if (rowMap.ContainsKey(parentTransform.gameObject))
                {
                    return rowMap[parentTransform.gameObject];
                }
                parentTransform = parentTransform.parent;
            }

            return null;
        }

        // 检查项目是否在分类中
        private bool CheckItemInCategory(UIImageSelectMapData.OptionItem item, UIImageSelectMapData.Row categoryRow)
        {
            return categoryRow.items.Exists(i => i.pic == item.pic || i.name == item.name);
        }

        // 检查分类是否完成匹配
        private bool CheckCategoryCompletion(UIImageSelectMapData.Row categoryRow)
        {
            if (categoryRow == null)
                return false;

            // 查找该分类需要匹配的项目数
            int required = categoryRow.items.Count;

            // 查找该分类已正确匹配的项目数
            int actual = 0;
            if (leftAndRightMap.Any(p => p.Value.isRight && GetCategoryRow(p.Key) == categoryRow))
            {
                actual = leftAndRightMap.Count(p => p.Value.isRight && GetCategoryRow(p.Key) == categoryRow);
            }

            // 判断是否完成
            return actual >= required;
        }

        private void LeftOnDrag(PointerEventData data)
        {
            if (moveObj)
            {
                moveObj.transform.position = Input.mousePosition;
            }
        }

        protected override void OnShow()
        {
        }

        protected override void OnHide()
        {
        }

        protected override void OnClose()
        {
            TypeEventSystem.Global.UnRegister<OnModuleQuit>(OnModuleQuitHandler);
        }
    }
}