using asap.core;
using UnityEngine;
using System.Collections.Generic;
using GameCore;
using UnityEngine.UI;

public class DeferredRewardStashPanel : MonoBehaviour
{
    private IDeferredRewardStashService _stash;
    private const int RowWidth = 4;

    [SerializeField]
    private GameObject emptyGo, itemContainerGo, adaptiveContainer, scrollViewContainer, rowGo, rowContainer;
    [SerializeField] private List<GameObject> adaptiveItemGoList, scrollViewRowList;
    [SerializeField] private PanelScroll jiahaoScrollView;
    [SerializeField] private Button btnClose;
    private const float RewardPopSpeed = 0.075f;

    public void Awake()
    {
        btnClose.onClick.AddListener(() => gameObject.SetActive(false));
        _stash = GContext.container.Resolve<IDeferredRewardStashService>();
        if (_stash == null)
        {
            Debug.LogError("Stash Service is not available.");
            gameObject.SetActive(false);
            return;
        }
        itemContainerGo.SetActive(false);
        adaptiveContainer.SetActive(false);
        scrollViewContainer.SetActive(false);
        adaptiveItemGoList = new List<GameObject>();
        scrollViewRowList = new List<GameObject>();
    }

    private const int ItemCountLimit = 12;

    public void OnEnable()
    {
        GContext.Publish(new EventStashPanelOpen());
        foreach (var itemGo in adaptiveItemGoList)
            Destroy(itemGo);
        adaptiveItemGoList.Clear();
        foreach (var row in scrollViewRowList)
            Destroy(row);
        scrollViewRowList.Clear();

        if (_stash.IsEmpty)
        {
            adaptiveContainer.SetActive(true);
            emptyGo.SetActive(true);
            scrollViewContainer.SetActive(false);
            return;
        }

        emptyGo.SetActive(false);
        var items = _stash.Items;
        if (items.Count <= ItemCountLimit)
            ShowAdaptiveLayout(items);
        else
            _ = ShowScrollViewLayout(items);
    }

    private void ShowAdaptiveLayout(IReadOnlyList<ItemData> items)
    {
        adaptiveContainer.SetActive(true);
        scrollViewContainer.SetActive(false);
        foreach (var item in items)
        {
            var newItemGo = Instantiate(itemContainerGo, adaptiveContainer.transform);
            adaptiveItemGoList.Add(newItemGo);
            var reward = newItemGo.transform.Find("reward").GetComponent<RewardItemNew>();
            reward.SetData(item, abbr: true);
            newItemGo.SetActive(true);
        }
    }

    private async System.Threading.Tasks.Task ShowScrollViewLayout(IReadOnlyList<ItemData> items)
    {
        adaptiveContainer.SetActive(false);
        scrollViewContainer.SetActive(true);
        for (int i = 0; i < items.Count; i += RowWidth)
        {
            var currentRow = Instantiate(rowGo, rowContainer.transform);
            currentRow.SetActive(true);
            // TODO: Is rows needed to destroy the instantiated game objects?
            scrollViewRowList.Add(currentRow.gameObject);
            var count = items.Count - i;
            for (int j = 0; j < RowWidth; j++)
            {
                currentRow.transform.GetChild(j).gameObject.SetActive(j < count);
                currentRow.transform.GetChild(j).GetChild(0).gameObject.SetActive(false);
            }

            await Awaiters.NextFrame;
            // jiahaoScrollView.DONormalizedPos(Vector2.zero, RewardPopSpeed);
            for (int j = 0; j < RowWidth; j++)
            {
                if (j < count)
                {
                    var item = items[i + j];
                    currentRow.transform.GetChild(j).gameObject.SetActive(true);
                    var reward = currentRow.transform.GetChild(j).GetChild(0).GetComponent<RewardItemNew>();
                    // reward.SetRewardPopupData(item);
                    reward.SetData(item, abbr: true);
                    reward.gameObject.SetActive(true);
                    // reward.PlayOpen();
                    cfg.Item itemCfg = GContext.container.Resolve<cfg.Tables>().TbItem.GetOrDefault(item.id);
                    GContext.Publish(new ResAddEvent(itemCfg.ID, itemCfg.Type, itemCfg.SubType));
                }
            }
        }

        await Awaiters.NextFrame;
        // jiahaoScrollView.DONormalizedPos(Vector2.zero, RewardPopSpeed);
    }

    private void OnDisable()
    {
        GContext.Publish(new EventStashPanelClose());
    }

    public class EventStashPanelOpen
    {
    }

    public class EventStashPanelClose
    {
    }

    private void Reset()
    {
        emptyGo = transform.Find("root/Content1/empty").gameObject;
        itemContainerGo = transform.Find("root/Content1/item1").gameObject;
        adaptiveContainer = transform.Find("root/Content1").gameObject;
        scrollViewContainer = transform.Find("root/Content2").gameObject;
        rowGo = transform.Find("root/Content2/ScrollView/Viewport/Content/reward_group1").gameObject;
        rowContainer = transform.Find("root/Content2/ScrollView/Viewport/Content").gameObject;
        jiahaoScrollView = transform.Find("root/Content2/ScrollView").GetComponent<PanelScroll>();
        btnClose = transform.Find("root/btn_close").GetComponent<Button>();
    }
}