using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using GCGame.Table;

public class PopAutoMedicItemPanel : MonoBehaviour {

    public static PopAutoMedicItemPanel Instance;

    private void Awake()
    {
        Instance = this;
    }

    private void OnDestroy()
    {
        Instance = null;
    }

    //4.红 5.蓝
    private int _CurSelectType = -1;
    private List<int> SettingAutoItemIdList = new List<int>();
    private ClientCustomData.AutoMedicInfoStruct atuoMedicInfo;
    public void ShowItemByType(int type)
    {
        atuoMedicInfo = GameManager.gameManager.PlayerDataPool.ClientCustomDateManager.PlayerCustomData.autoMedicInfo;
        switch (type)
        {
            case 4:
                {
                    SettingAutoItemIdList = new List<int>();
                    SettingAutoItemIdList.AddRange(atuoMedicInfo.autoHpIdList);
                }
                break;
            default:
                {
                    SettingAutoItemIdList = new List<int>();
                    SettingAutoItemIdList.AddRange(atuoMedicInfo.autoMpIdList);
                }
                break;
        }

        _CurSelectType = type;
        var autoUseItemTab = TableManager.GetAutoUseItem().Values;

        var itemIdList = new List<int>();
        foreach(var item in autoUseItemTab)
        {
            if(item.SubClassID == type)
            {
                itemIdList.Add(item.Id);
            }
        }
        itemIdList.Sort(SortItemIdListByLevel);
        StartCoroutine(CraeteMedicItem(itemIdList));
    }


    public int SortItemIdListByLevel(int itemA, int itemB)
    {
        if (itemA == itemB)
            return 0;

        var autoUseItemTabA = TableManager.GetAutoUseItemByID(itemA, 0);
        var autoUseItemTabB = TableManager.GetAutoUseItemByID(itemB, 0);
        var backPack = GameManager.gameManager.PlayerDataPool.BackPack;

        if (autoUseItemTabA == null || autoUseItemTabB == null)
            return itemA < itemB ? -1 : 1;

        var itemACount = backPack.GetItemCountByDataId(itemA);
        var itemBCount = backPack.GetItemCountByDataId(itemB);

        if (itemACount >  0 && itemBCount <= 0)
        {
            return -1;
        }
        else if (itemACount <= 0 && itemBCount > 0)
        {
            return 1;
        }
        else
        {
            return autoUseItemTabA.NeedLevel > autoUseItemTabB.NeedLevel ? 1 : -1;
        }
    }


    public GameObject itemPrefab;
    public Transform itemParent;

    private List<AutoMedicItem> autoMedicItemPrefabList = new List<AutoMedicItem>();
    IEnumerator CraeteMedicItem(List<int> itemIdList)
    {
        yield return new WaitForEndOfFrame();

        var _lackCount = 0;
        _lackCount = itemIdList.Count  - autoMedicItemPrefabList.Count;

        if(_lackCount > 0)
        {
            for(int index = 0; index < _lackCount; index++)
            {
                var item = GameObject.Instantiate(itemPrefab);
                item.transform.SetParent(itemParent);

                item.transform.localScale = Vector3.one;
                item.transform.localPosition = Vector3.zero;
                item.transform.localRotation = Quaternion.Euler(Vector3.zero);

                autoMedicItemPrefabList.Add(item.GetComponent<AutoMedicItem>());
            }
        }else
        {
            _lackCount = Mathf.Abs(_lackCount);
            for(int index = 0; index < autoMedicItemPrefabList.Count - _lackCount; index++)
            {
                autoMedicItemPrefabList[index].gameObject.SetActive(true);
            }
            for(int index = autoMedicItemPrefabList.Count - _lackCount; index < autoMedicItemPrefabList.Count; index++)
            {
                autoMedicItemPrefabList[index].gameObject.SetActive(false);
            }
        }

        for(int index = 0; index < itemIdList.Count; index++)
        {
            if(autoMedicItemPrefabList[index].gameObject.activeInHierarchy)
            {
                autoMedicItemPrefabList[index].InitItem(itemIdList[index], SettingAutoItemIdList.Contains(itemIdList[index]));
            }
        }
        
        yield break;
    }

    public void AddItemToItemDateIdList(int itemId)
    {
        if (!SettingAutoItemIdList.Contains(itemId))
            SettingAutoItemIdList.Add(itemId);
    }

    public void RemoveFromItemDateIdList(int itemId)
    {
        if (SettingAutoItemIdList.Contains(itemId))
            SettingAutoItemIdList.Remove(itemId);

        if (SettingAutoItemIdList.Count == 0)
            SettingAutoItemIdList.Add(-1);  //默认添加一个，表示不是第一次打开
    }

    private void OnDisable()
    {
        //删除-1的引用
        if(SettingAutoItemIdList.Count > 1)
        {
            var count = SettingAutoItemIdList.Count - 1;
            for (int index = count; index >= 0; index--)
            {
                if (SettingAutoItemIdList[index] == -1)
                    SettingAutoItemIdList.RemoveAt(index);
            }
        }

        //保存之前做一次排序
        SettingAutoItemIdList.Sort(SortItemIdListByLevel);
        switch (_CurSelectType)
        {
            case 4:
                {
                    atuoMedicInfo.autoHpIdList = new List<int>();
                    atuoMedicInfo.autoHpIdList.AddRange(SettingAutoItemIdList);
                }
                break;
            default:
                {
                    atuoMedicInfo.autoMpIdList = new List<int>();
                    atuoMedicInfo.autoMpIdList.AddRange(SettingAutoItemIdList);
                }
                break;
        }

        GameManager.gameManager.PlayerDataPool.ClientCustomDateManager.SaveDataToServer();
    }

    public void OnMaskClick()
    {
        UIManager.CloseUI(UIInfo.PopAutoMedicItemPanel);
    }
}