using System;
using System.Collections.Generic;
using ET;
using FairyGUI;
using UI.Bag;
using UnityEngine;
using UI.CommonGame;

namespace GFGGame
{
    public class BagExchangeView : BaseWindow
    {
        private UI.Bag.UI_ItemExchangeUI _ui;
        private int _itemId;
        private long _count;
        private List<int[]> _itemList = new List<int[]>();
        // private LongPressGesture _longPressAdd;
        // private LongPressGesture _longPressMinus;

        public override void Dispose()
        {
            base.Dispose();

            if (_ui != null)
            {
                _ui.Dispose();
                _ui = null;
            }
        }

        protected override void OnInit()
        {
            base.OnInit();

            packageName = UI.Bag.UI_ItemExchangeUI.PACKAGE_NAME;
            _ui = UI.Bag.UI_ItemExchangeUI.Create();
            this.viewCom = _ui.target;
            this.viewCom.Center();
            this.modal = true;

            _ui.m_btnAdd.onClick.Add(OnBtnAddClick);
            _ui.m_btnMinus.target.onClick.Add(OnBtnMinusClick);
            _ui.m_btnMax.target.onClick.Add(OnBtnMaxClick);
            _ui.m_btnConfirm.onClick.Add(OnBtnConfirmClick);
            _ui.m_btnCancle.onClick.Add(OnBtnCancleClick);
            _ui.m_listItem.itemRenderer = ListItemRenderer;
            _ui.m_comBg.GetChild("btnClose").asCom.onClick.Add(Hide);
        }

        protected override void AddEventListener()
        {
            base.AddEventListener();
        }

        protected override void OnShown()
        {
            base.OnShown();
            _itemId = (int)this.viewData;
            _count = 1;

            UpdateView();
            UpdateUseView();
        }

        protected override void OnHide()
        {
            base.OnHide();
        }

        protected override void RemoveEventListener()
        {
            base.RemoveEventListener();
            // EventAgent.RemoveEventListener(ConstMessage.ITEM_CHANGED, UpdateList);
        }

        private void UpdateView()
        {
            ItemCfg itemCfg = ItemCfgArray.Instance.GetCfg(_itemId);

            _ui.m_comBg.GetChild("txtTitle").asTextField.text = itemCfg.name;
            _ui.m_txtOwned.SetVar("count", "" + ItemDataManager.GetItemNum(itemCfg.id)).FlushVars();
            _ui.m_txtDesc.text = string.IsNullOrEmpty(itemCfg.desc) ? "暂无描述" : itemCfg.desc;
            _ui.m_loaIcon.url = ResPathUtil.GetIconPath(itemCfg);
            _ui.m_txtRmbCost.visible = false;

            UpdateThItemList(itemCfg);
            _ui.m_listItem.numItems = _itemList.Count; //itemCfg.itemsArr.Length;
            _ui.m_listItem.visible = itemCfg.itemType == ConstItemType.USEABLE &&
                                     itemCfg.subType != ConstItemSubType.USEABLE_AUTO;
        }

        private void UpdateThItemList(ItemCfg itemCfg)
        {
            _itemList.Clear();
            //普通物品
            foreach (var t in itemCfg.itemsArr)
            {
                var itemId = t[0];
                var itemNum = t.Length > 1 ? t[1] : 1;
                _itemList.Add(new[] { itemId, itemNum });
            }

            if (itemCfg.subType == ConstItemSubType.USEABLE_GIFT_BAG_RANDOM)
            {
                if (itemCfg.param2Arr.Length > 0)
                {
                    //特殊物品 不存在的套装部件id
                    List<int> noExistSuitItemIds = new List<int>();
                    foreach (var suitId in itemCfg.param2Arr)
                    {
                        noExistSuitItemIds.Clear();
                        SuitCfg suitCfg = SuitCfgArray.Instance.GetCfg(suitId);

                        foreach (var suitItemId in suitCfg.partsArr)
                        {
                            if (!ItemUtil.CheckItemEnough(suitItemId, 1))
                            {
                                noExistSuitItemIds.Add(suitItemId);
                            }
                        }

                        foreach (var noExistSuitItemId in noExistSuitItemIds)
                        {
                            _itemList.Add(new[] { noExistSuitItemId, 1 });
                        }
                    }
                }
            }

            //保底物品
            if (itemCfg.param1Arr.Length > 0)
            {
                foreach (var t in itemCfg.param1Arr)
                {
                    var itemId = t[0];
                    var itemNum = t.Length > 1 ? t[1] : 1;
                    _itemList.Add(new[] { itemId, itemNum });
                }
            }
        }

        private void UpdateUseView()
        {
            ItemCfg itemCfg = ItemCfgArray.Instance.GetCfg(_itemId);
            _ui.m_txtCostCount.text = _count.ToString();
            _ui.m_btnMinus.m_c1.selectedIndex = _count == 1 ? 1 : 0;
            _ui.m_btnMinus.target.touchable = _count == 1 ? false : true;
            long hasCount = ItemDataManager.GetItemNum(_itemId);
            _ui.m_btnAdd.GetController("c1").selectedIndex = _count == hasCount ? 1 : 0;
            _ui.m_btnAdd.touchable = _count == hasCount ? false : true;
            _ui.m_btnMax.m_c1.selectedIndex = _count == hasCount ? 1 : 0;
            _ui.m_btnMax.target.touchable = _count == hasCount ? false : true;
            _ui.m_txtExchangeCount.text = string.Format("{0}", hasCount);

            _ui.m_txtShow.text = "选择使用数量";
            _ui.m_txtTips.text = string.Format("是否使用{0}个{1}？", _count, itemCfg.name);
        }

        private void ListItemRenderer(int index, GObject obj)
        {
            //ItemCfg itemCfg = ItemCfgArray.Instance.GetCfg(_itemId);
            ItemData itemData = ItemUtil.createItemData(_itemList[index]);
            if (obj.data == null)
            {
                obj.data = new ItemView(obj as GComponent);
            }

            (obj.data as ItemView).SetData(itemData);
            (obj.data as ItemView).ChangeTxtCountStyle();
        }

        private void OnBtnAddClick()
        {
            _count++;
            long hasCount = ItemDataManager.GetItemNum(_itemId);
            _count = Math.Min(hasCount, _count);
            UpdateUseView();
        }

        private void OnBtnMinusClick()
        {
            _count--;
            _count = Math.Max(1, _count);
            UpdateUseView();
        }

        private void OnBtnMaxClick()
        {
            _count = ItemDataManager.GetItemNum(_itemId);
            UpdateUseView();
        }

        private void OnBtnConfirmClick()
        {
            ItemCfg itemCfg = ItemCfgArray.Instance.GetCfg(_itemId);
            if (itemCfg.itemType == ConstItemType.USEABLE &&
                itemCfg.subType == ConstItemSubType.USEABLE_GIFT_BAG_RANDOM)
            {
                ItemProxy.ReqUseRandomItem(_itemId, _count).Coroutine();
            }
            else
            {
                ItemProxy.ReqUseItem(_itemId, _count).Coroutine();
            }

            this.Hide();
        }

        private void OnBtnCancleClick()
        {
            this.Hide();
        }
    }
}