using asap.core;
using GameCore;
using System;
using System.Collections;
using UniRx;
using UnityEngine;
using UnityEngine.UI;
/// <summary>
/// 转场结束事件，用于播放关闭转场动画
/// </summary>
public class EndTransition
{
}
/// <summary>
/// 转场结束后事件，用于通知外部转场关闭动画已结束
/// </summary>
public class OnTransitioned
{
}
public class CloudTransitionPanel : MonoBehaviour
{
    Animation ani;
    IDisposable disposable;

    Button btn_close;
    ILoadResourceService loadResourceService;
    Image bar;
    GameObject bg_bar;
    //TMP_Text text_info;
    public Action OnConfrim;
    public Action OnCloseClick;
    bool externalClose;
    bool failedClose;
    IDisposable load;
    float progress = 0;
    string curName;
    int showCount = 0;
    private void Awake()
    {
        ani = GetComponent<Animation>();
        disposable = GContext.OnEvent<EndTransition>().Subscribe(EndTransition);

        loadResourceService = GContext.container.Resolve<ILoadResourceService>();
        btn_close = transform.Find("btn_close").GetComponent<Button>();
        bar = transform.Find("root/bg_bar/bar").GetComponent<Image>();
        bg_bar = transform.Find("root/bg_bar").gameObject;
        //text_info = transform.Find("root/text_info").GetComponent<TMP_Text>();
    }

    public void Start()
    {
        btn_close.onClick.AddListener(OnClickClose);
    }
    /// <summary>
    /// externalClose == true (下载成功不自动关闭界面)
    /// failedClose == false (下载失败不自动关闭界面，建造成败都需要转场)
    /// 需要手动调用 EndTransition 关闭面板；
    /// 如果紧接着 changeAct 会在OnActLoaded 里调用 EndTransition
    /// </summary>
    /// <param name="OnConfrim"></param>
    /// <param name="OnCloseClick"></param>
    /// <param name="curName"> 需要检查的资源进度 默认 loadResourceService.curName</param>
    public void SetBtn(bool externalClose, Action OnConfrim, Action OnCloseClick = null, bool failedClose = true)
    {
        this.externalClose = externalClose;
        this.failedClose = failedClose;
        this.OnConfrim = OnConfrim;
        this.OnCloseClick = OnCloseClick;
        this.curName = "";
        if (!externalClose)
        {
            showCount++;
        }
        StartCoroutine(StartShowBar());
    }
    IEnumerator StartShowBar()
    {
        yield return new WaitForSeconds(0.5f);
        ShowLoad();
    }
    void ShowLoad()
    {
        if (string.IsNullOrEmpty(curName))
        {
            if (string.IsNullOrEmpty(loadResourceService.oldName))
            {
                Debug.LogError("当前没有需要下载的资源; 请使用 loadResourceService.Load 或 .Loads 下载资源");
                StartCoroutine(End());
                return;
            }
            if (string.IsNullOrEmpty(loadResourceService.curName))
            {
                curName = loadResourceService.oldName;
                Debug.LogWarning("当前没有需要下载的资源; 传入 curName 检查是否已下载");
            }
            else
            {
                curName = loadResourceService.curName;
            }
        }
        Init();
    }
    async void Init()
    {
        bool isCanEnter = await loadResourceService.Load(curName);
        //text_info.text = LocalizationMgr.GetFormatTextValue("UI_FishingDownLoadPopupPanel_1", 0);
        if (OnConfrim == null)
        {
            return;
        }
        progress = 0;
        if (isCanEnter)
        {
            bar.fillAmount = 1;
            OnClickConfrim();
        }
        else
        {
            btn_close.gameObject.SetActive(true);
            bg_bar.SetActive(true);
            bar.fillAmount = 0;
            load = GContext.OnEvent<LoadProgressEvent>().Subscribe(OnLoadProgress);
        }
    }

    void OnClickClose()
    {
        EndLoad();
        showCount--;
        OnConfrim = null;
        if (OnCloseClick != null)
        {
            OnCloseClick?.Invoke();
            OnCloseClick = null;
        }
        if (failedClose)
        {
            StartCoroutine(End());
        }
    }
    //private const long byte2mb = 1024 * 1024;
    void OnLoadProgress(LoadProgressEvent e)
    {
        if (e.name == loadResourceService.curName)
        {
            //float progress = e.progress;
            //if (progress > 1)
            //{
            //    progress = 1;
            //}
            //var progressStr = $"\n{(progress * e.totalDownloadSize / byte2mb).ToString("0.0")}MB/{(e.totalDownloadSize / byte2mb).ToString("0.0")}MB ({progress.ToPercentageString()})";
            //text_info.text = LocalizationMgr.GetFormatTextValue("UI_FishingDownLoadPopupPanel_1", progressStr);
            if (progress < e.progress)
            {
                progress = e.progress;
                bar.fillAmount = progress;
            }

            if (e.isSucceeded)
            {
                OnClickConfrim();
            }
            else if (e.isFailed)
            {
                OnClickClose();
            }
        }
    }
    async void OnClickConfrim()
    {
        EndLoad();
        if (!externalClose)
        {
            externalClose = true;
            _ = StartCoroutine(End());
        }
        await Awaiters.NextFrame;
        showCount--;
        OnConfrim?.Invoke();
        OnConfrim = null;
        OnCloseClick = null;
    }
    void EndLoad()
    {
        load?.Dispose();
        load = null;
        btn_close.onClick.RemoveAllListeners();
        btn_close.gameObject.SetActive(false);
        bg_bar.SetActive(false);
    }
    public void EndTransition(EndTransition endTransition)
    {
        if (showCount <= 0)
        {
            EndLoad();
            showCount--;
            OnConfrim = null;
            OnCloseClick = null;
            StartCoroutine(End());
        }
    }
    private void OnDisable()
    {
        Dispose();
    }
    IEnumerator End()
    {
        ani.Play("cloud_out");
        Dispose();
        yield return new WaitForSeconds(0.6f);
        UIManager.Instance.DestroyUI(gameObject.name);
        GContext.Publish(new OnTransitioned());
    }
    void Dispose()
    {
        load?.Dispose();
        load = null;
        disposable?.Dispose();
        disposable = null;
    }
}