using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using GCGame.Table;
using Games.Item;
using Module.Log;

// 礼包物品选择控制
public class GiftBagChooseCtr : MonoBehaviour {

    public UIContainerMultiSelect itemContainer;        // 物品列表容器
    public Button confirmBtn;                           // 确认按钮
    public Button cancelBtn;                            // 取消按钮
    public UIBackRayBehind bgMask;                      // 背景遮罩（点击空白取消功能）
    public UIImgText needSelectCount;                   // 需要选择的数量

    private int itemID;                                 // 物品id，服务端用，需要原封返回
    private int scriptID;                               // 物品脚本ID，服务端用，需要原封返回
    private int chooseNum;                              // 需要选择数目

    private static GiftBagChooseCtr _instance;                 // Single
    public static GiftBagChooseCtr Instance
    {
        get { return _instance; }
    }

    private void Awake()
    {
        if(_instance == null)
        {
            _instance = this;
        }

        // 按钮相关初始化
        if(confirmBtn == null || cancelBtn == null)
        {
            LogModule.ErrorLog("Need sepcify confirmBtn and cancelBtn !!!");
        }
        else
        {
            confirmBtn.onClick.AddListener(ConfirmAward);
            cancelBtn.onClick.AddListener(Close);
        }

        if(bgMask != null)
        {
            bgMask._BackClick.AddListener(Close);
        }
    }

    private void OnEnable()
    {
        itemID = -1;
        scriptID = -1;
        chooseNum = -1;
    }

    private void OnItemSelect(object item)
    {
        List<SpecialGiftSelectInfo> selects = itemContainer.GetSelecteds<SpecialGiftSelectInfo>();
        SpecialGiftSelectInfo selectObj = item as SpecialGiftSelectInfo;
        if(selects != null && selectObj != null)
        {
            int index = selects.IndexOf(selectObj);
            if (selects.Count == chooseNum && index == -1)
            {
                GUIData.AddNotifyData("超出可选择数量，重复点击可取消选中！");
            }
        }

        ItemTooltipsLogic.ShowItemTooltip(selectObj.itemid, ItemTooltipsLogic.ShowType.Info, Vector3.zero);
    }

    public void Show(object packet)
    {
        ReqSpecialGiftSelect data = packet as ReqSpecialGiftSelect;
        if (data == null)
        {
            return;
        }

        itemID = data.itemid;
        scriptID = data.script;
        chooseNum = data.selectcount;

        if (itemContainer != null)
        {
            itemContainer._IsMultiSelect = true;
            itemContainer.multiSelectNum = chooseNum;
            itemContainer.InitSelectContent(data.info, null, OnItemSelect);
        }
        else
        {
            LogModule.ErrorLog("No container !!!");
        }

        needSelectCount.text = chooseNum.ToString();
    }

    #region 接收发送协议

    // 确认礼包
    private void ConfirmAward()
    {
        List<SpecialGiftSelectInfo> selectItems = itemContainer.GetSelecteds<SpecialGiftSelectInfo>();
        if(selectItems.Count < chooseNum)
        {
            GUIData.AddNotifyData(StrDictionary.GetClientDictionaryString("#{86718}", chooseNum));
            return;
        }
        
        if(selectItems.Count == chooseNum)
        {
            if(IsNeedRandomPanel(itemID))
            {
                UIManager.CloseUI(UIInfo.BackPackRoot);
                UIManager.ShowUI(UIInfo.GiftBagRandomPanel);
            }

            List<int> indexList = new List<int>();
            for (int i = 0; i < selectItems.Count; ++i)
            {
                indexList.Add(selectItems[i].index);
            }
            RetSpecialGiftSelect packet = new RetSpecialGiftSelect();
            packet.itemid = itemID;
            packet.script = scriptID;
            packet.indexlist = indexList;
            packet.SendMsg();
            Close();
        }
    }

    // 检查物品是否需要随机面板
    public bool IsNeedRandomPanel(int itemID)
    {
        Tab_CommonItem tab = TableManager.GetCommonItemByID(itemID, 0);
        if(tab != null)
        {
            if(tab.ClassID == (int)ItemClass.GIFTBAG && tab.SubClassID == (int)GiftBagSubType.MultiSelection_Random)
            {
                return true;
            }
        }

        return false;
    }

    #endregion

    private void Close()
    {
        UIManager.CloseUI(UIInfo.GiftBagItemChooseCtr);
    }

    private void OnDestroy()
    {
        _instance = null;
    }
}