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

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>
        /// ÓÒ²àÊý¾Ý½á¹¹
        /// </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>();
        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();

            foreach (var row in mData.rows)
            {
                GameObject rowObj = GameObject.Instantiate(RightRowItem.gameObject, RightContent);
                rowObj.transform.Find("Type").GetComponent<TextMeshProUGUI>().text = row.name.Replace("\\n", "\n");
                Transform itemContent = rowObj.transform.Find("Items");
                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.pic;
                    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 = item.pic;
                    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 && leftAndRightMap.ContainsKey(enterRight) == false)
            {
                TextMeshProUGUI nameText = enterRight.transform.Find("Name").GetComponent<TextMeshProUGUI>();
                bool isRight = false;
                if (enterRight.name == itemDatas[leftDragObj].pic)
                {
                    nameText.color = Color.green;
                    isRight = true;

                }
                else
                {
                    nameText.color = Color.red;

                }
                Image img = enterRight.transform.Find("PicBg/Pic").GetComponent<Image>();
                img.sprite = moveObj.GetComponent<Image>().sprite;
                img.color = Color.white;
                //nameText.text = itemDatas[leftDragObj].name;
                leftAndRightMap.Add(enterRight, new RightDataItem() { rightObj = leftDragObj, isRight = isRight });
                leftDragObj.SetActive(false);

                if (isRight && Check())
                {
                    if (string.IsNullOrEmpty(mData.finishedEvent) == false)
                    {
                        StringEventSystem.Global.Send(mData.finishedEvent);
                    }
                }

            }
            GameObject.Destroy(moveObj);
            moveObj = null;
            leftDragObj = null;
        }

        public bool Check()
        {
            foreach (var item in leftAndRightMap)
            {
                if (item.Value.isRight == false)
                {
                    return false;
                }
            }
            return leftAndRightMap.Count == itemDatas.Count;
        }

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


        protected override void OnShow()
        {
        }

        protected override void OnHide()
        {
        }

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