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

//使用货币购买坊市表商品
public class BuyItemWin : UIBase
{
    [SerializeField] ItemCell itemCell;
    [SerializeField] Text nameText;
    [SerializeField] Text countText;
    [SerializeField] Text descText;
    [SerializeField] SliderPanel sliderPanel;
    [SerializeField] Text limitText;
    [SerializeField] Image moneyIcon;
    [SerializeField] Text moneyText;
    [SerializeField] Button buyButton;


    int useCnt;
    int maxCnt;
    protected override void InitComponent()
    {
        buyButton.AddListener(BuyGoods);
    }



    protected override void OnPreOpen()
    {
        useCnt = 1;
        Display();
    }

    void Display()
    {
        var shopConfig = StoreConfig.Get(StoreModel.Instance.buyShopID);
        var itemID = shopConfig.ItemID;
        var itemCount = shopConfig.ItemCnt;
        itemCell.Init(new ItemCellModel(itemID, false, itemCount*useCnt));
        var itemConfig = ItemConfig.Get(itemID);
        nameText.text = itemConfig.ItemName;
        countText.text = Language.Get("storename12", GetItemCount(itemID));
        descText.text = itemConfig.Description;

        var buyCnt = StoreModel.Instance.GetShopLimitBuyCount(StoreModel.Instance.buyShopID);
        maxCnt = shopConfig.LimitCnt - buyCnt;
        if (maxCnt == 0)
        {
            //没有限购,用货币可购买数量
            maxCnt = Math.Max(1, (int)(UIHelper.GetMoneyCnt(shopConfig.MoneyType)/shopConfig.MoneyNum));
        }

        OnSliderChange(useCnt);
        sliderPanel.Init((value) => { OnSliderChange(value); }, maxCnt);
    }

    void OnSliderChange(int value)
    {
        var shopConfig = StoreConfig.Get(StoreModel.Instance.buyShopID);
        useCnt = value;
        itemCell.countText.text = UIHelper.ReplaceLargeNum(value*shopConfig.ItemCnt);

        string limitStr = "";
        if (shopConfig.LimitCnt == 0)
        {
            limitStr = "";
        }
        else if (shopConfig.ResetType == 0)
        {
            //限购
            limitStr = Language.Get("storename8", useCnt, maxCnt);
        }
        else if (shopConfig.ResetType == 1)
        {
            //每日限购
            limitStr = Language.Get("storename6", useCnt, maxCnt);
        }
        else if (shopConfig.ResetType == 2)
        {
            //每周限购
            limitStr = Language.Get("storename7", useCnt, maxCnt);
        }
        limitText.text = limitStr;

        moneyIcon.SetIconWithMoneyType(shopConfig.MoneyType);
        moneyText.text = UIHelper.ShowUseMoney(shopConfig.MoneyType, shopConfig.MoneyNum * useCnt, false);

    }

    void BuyGoods()
    {
        CloseWindow();
        StoreModel.Instance.SendBuyShopItem(StoreConfig.Get(StoreModel.Instance.buyShopID), useCnt);
    }

    //如果物品是自动转换货币类型的，则返回货币数量，否则返回物品数量
    long GetItemCount(int id)
    {
        var config = ItemConfig.Get(id);
        if (config.Effect1 == 264)
        {
            return UIHelper.GetMoneyCnt(config.EffectValueB1);
        }

        var count = PackManager.Instance.GetItemCountByID(GeneralDefine.GetPackTypeByItemType(config.Type), id);
        if (config.Type == 150)
        {
            count = Math.Max(0, count - 1);
        }
        
        return count;
    }
}