using UnityEngine;
using GameCore;
using UnityEngine.UI;
using TMPro;
using UnityEngine.Assertions;
using asap.core;
using cfg;
using System.Threading.Tasks;

public class EventNeoNormalPackPanel : MonoBehaviour
{
    [SerializeField] private RewardItemNew[] itemListViewLeft, itemListViewRight;
    [SerializeField] private Button btnLeft, btnRight;
    [SerializeField] private TMP_Text textPriceLeft, textPriceRight, textPriceOrigin, textDiscount;
    [SerializeField] private BingoTimer timer;
    [SerializeField] private CloseSelfPanel closeSelfPanel;
    private PlayerItemData _playerItemData;
    private IAPItemList _iapItemListLeft, _iapItemListRight;
    private int _dropIdLeft, _dropIdRight, _eventId;

    public void Start()
    {
        btnLeft.onClick.AddListener(async () => { await OnClickBuy(_dropIdLeft, _iapItemListLeft); });
        btnRight.onClick.AddListener(async () => { await OnClickBuy(_dropIdRight, _iapItemListRight); });
    }

    public void Init(EventNeoNormalPackData data)
    {
        var tables = GContext.container.Resolve<Tables>();
        var res = tables.TbEventPackManager.DataMap.TryGetValue(data.PackId, out var epm);
        Assert.IsTrue(res, $"[NeoNormalPack] Event pack {data.PackId} not found in event pack manager table.");
        var packIdList = epm.VIPPackList[GContext.container.Resolve<PlayerData>().PriceLv];
        try
        {
            (var startTime, var expiryTime) = FtUtils.GetEventTimeLimit(data.EventId);
            InitPanelWithData(new NeoNormalPackDataInternal(packIdList.ToArray(), data.EventId, expiryTime));
        }
        catch (System.Exception e)
        {
            Debug.LogError(e);
        }
    }

    protected virtual void InitPanelWithData(NeoNormalPackDataInternal data)
    {
        _playerItemData = GContext.container.Resolve<PlayerItemData>();
        Assert.IsTrue(itemListViewLeft.Length == 2 && itemListViewRight.Length == 2, "Inconsistent item count, expect 2.");
        _playerItemData.ResolveIapId(data.IapIdLeft, out _iapItemListLeft, textPriceLeft);
        _playerItemData.ResolveIapId(data.IapIdRight, out _iapItemListRight, textPriceRight);
        _dropIdLeft = data.DropIdLeft;
        _dropIdRight = data.DropIdRight;
        SetItemListView(data.DropIdLeft, itemListViewLeft);
        SetItemListView(data.DropIdRight, itemListViewRight);
        textPriceOrigin.text = data.PriceOrigin;
        textDiscount.text = ConvertTools.GetDiscountStringActual(data.Discount);
        timer.Init(new TimerContext
        {
            StartTime = ZZTimeHelper.UtcNow() - System.TimeSpan.FromSeconds(5),
            ExpiryTime = data.ExpiryTime,
            OnExpire = closeSelfPanel.OnClickClose
        });
        _eventId = data.EventId;
    }

    private void SetItemListView(int dropId, RewardItemNew[] itemListView)
    {
        var itemList = _playerItemData.GetItemDataByDropIdLureInflation(null, dropId);
        Assert.IsTrue(itemList.Count == itemListView.Length, "Inconsistent drop count with item view count.");
        for (int i = 0; i < itemList.Count; i++)
            itemListView[i].SetData(itemList[i]);
    }

    private async Task OnClickBuy(int dropId, IAPItemList iAPItemList)
    {
        bool res = await GContext.container.Resolve<PlayerShopData>().OnBuy(dropId,
            new ShopBuyTypeData { type = ShopBuyType.None, ID = _eventId }, iAPItemList,
            _playerItemData.GetItemDataByDropIdLureInflation(null, dropId));
        if (res)
        {
            GContext.Publish(new EventTicketUpdate());
            closeSelfPanel.OnClickClose();
        }
    }

    protected internal class NeoNormalPackDataInternal
    {
        public int EventId { get; set; }
        public int IapIdLeft { get; set; }
        public int IapIdRight { get; set; }
        public int DropIdLeft { get; set; }
        public int DropIdRight { get; set; }
        public string PriceOrigin { get; set; }
        public float Discount { get; set; }
        public System.DateTime ExpiryTime { get; set; }

        public NeoNormalPackDataInternal(int[] packIdList, int eventId, System.DateTime expiryTime)
        {
            Assert.IsTrue(packIdList.Length == 3, $"[NeoNormalPack] Event pack has {packIdList.Length} pack ids, not 3.");
            var packList = new Pack[3];
            for (int i = 0; i < 3; i++)
            {
                var res = GContext.container.Resolve<Tables>().TbPack.DataMap.TryGetValue(packIdList[i], out packList[i]);
                Assert.IsTrue(res, $"[NeoNormalPack] Event pack {packIdList[i]} not found in pack table.");
            }
            IapIdLeft = packList[0].IAPID;
            IapIdRight = packList[1].IAPID;
            DropIdLeft = packList[0].DropID;
            DropIdRight = packList[1].DropID;
            GContext.container.Resolve<PlayerItemData>().ResolveIapId(packList[2].IAPID, out _, out var price);
            PriceOrigin = price;
            Discount = packList[1].Rebate;
            EventId = eventId;
            ExpiryTime = expiryTime;
        }
    }

    /// <summary>
    /// 打开 Neo 普通礼包界面：优先使用 data.Panel，否则从 TbEventPackManager[PackId].Panel 解析。
    /// </summary>
    public static async Task<bool> TryShowAsync(EventNeoNormalPackData data)
    {
        if (data == null)
        {
            Debug.LogError("[NeoNormalPack] EventNeoNormalPackData is null.");
            return false;
        }

        var panelPath = data.GetResolvedPanelPath();
        if (string.IsNullOrEmpty(panelPath))
        {
            Debug.LogError($"[NeoNormalPack] Panel path empty, PackId={data.PackId}, EventId={data.EventId}");
            return false;
        }

        var uiType = new UIType(panelPath);
        var go = await UIManager.Instance.ShowUINotLoading(uiType);
        if (go == null)
            return false;

        var panel =  go.GetOrAddComponent<EventNeoNormalPackPanel>();
        if (panel == null)
        {
            Debug.LogError("[NeoNormalPack] EventNeoNormalPackPanel component missing.");
            return false;
        }

        panel.Init(data);
        return true;
    }
}

public class EventNeoNormalPackData
{
    public int EventId;
    public int PackId;
    /// <summary>
    /// 界面资源路径；若为空则从 TbEventPackManager[PackId].Panel 解析。
    /// </summary>
    public string Panel;

    public string GetResolvedPanelPath()
    {
        if (!string.IsNullOrEmpty(Panel))
            return Panel;
        var epm = GContext.container.Resolve<Tables>().TbEventPackManager.GetOrDefault(PackId);
        return epm?.Panel;
    }
}