using System;
using PhxhSDK;
using UnityEngine;
using Framework.UI;
using System.Collections;
using Cysharp.Threading.Tasks;
using System.Collections.Generic;
using Constants = Framework.Constants.Constants;

public class GfxManager : SingletonMono<GfxManager>, IInitable
{
    private Dictionary<string, GameObject> gfxDic;

    public void Init()
    {
        gfxDic = new Dictionary<string, GameObject>();
    }

    public void ShowGfxOnce(ParticleSystem particle, GameObject gfx, Action callBack = null)
    {
        if (particle == null || gfx == null)
            return;

        gfx.SetActive(true);
        particle.Play();
        CoroutineHandler.Instance.StartCoroutine(CheckParticleSystem(particle, gfx, callBack));
    }

    private IEnumerator CheckParticleSystem(ParticleSystem particle, GameObject gfx, Action callBack)
    {
        while (particle && particle.isPlaying)
        {
            yield return null;
        }

        if (particle && gfx)
        {
            gfx.SetActive(false);
            particle.Stop();
        }

        callBack?.Invoke();
    }

    public async UniTask<GameObject> LoadGfx(string gfxName)
    {
        try
        {
            if (gfxDic.TryGetValue(gfxName, out var gfx) && gfx != null)
            {
                gfx.SetActive(true);
                return gfx;
            }

            await PreLoadGfx(gfxName);
            return gfxDic[gfxName];
        }
        catch (Exception e)
        {
            DebugUtil.LogError("GfxManager.LoadGfx gfx:[{0}], Error: {1}", gfxName, e);
            return null;
        }
    }

    public async UniTask<GameObject> PreLoadGfx(string gfxName)
    {
        try
        {
            if (gfxDic == null)
                gfxDic = new Dictionary<string, GameObject>();

            if (!gfxDic.ContainsKey(gfxName))
            {
                var gfx = await AssetManager.Instance.LoadAssetAsync<GameObject>(string.Format(Constants.GfxPath,
                    gfxName));
                var gfxObj = Instantiate(gfx, UIRoot.Instance.rootGfx.transform);
                gfxObj.SetActive(false);
                gfxObj.name = gfx.name;
                gfxDic.Add(gfxName, gfxObj);
                return gfxObj;
            }

            return null;
        }
        catch (Exception e)
        {
            DebugUtil.LogError("GfxManager.PreLoadGfx gfx:[{0}], Error: {1}", gfxName, e);
            return null;
        }
    }

    public void ReturnGfxObj(GameObject obj, bool onDestroy = false)
    {
        try
        {
            if (gfxDic == null)
                return;
            string objName = obj.name;
            if (gfxDic.ContainsKey(objName))
            {
                obj.SetActive(false);
                if (onDestroy)
                {
                    UnloadGfx(objName);
                    Destroy(obj);
                    gfxDic.Remove(objName);
                }
            }
            else
            {
                Destroy(obj);
                DebugUtil.LogError("找不到对应的特效, 摧毁该物体: {0}", objName);
            }
        }
        catch (Exception e)
        {
            DebugUtil.LogError("GfxManager.ReturnGfxObj gfx:[{0}], Error: {1}", obj.name, e);
        }
    }

    public void ReturnGfxObj(string objName, bool onDestroy = false)
    {
        try
        {
            if (gfxDic == null)
                return;
            if (gfxDic.TryGetValue(objName, out var obj))
            {
                obj.SetActive(false);
                if (onDestroy)
                {
                    UnloadGfx(objName);
                    Destroy(obj);
                    gfxDic.Remove(objName);
                }
            }
            else
            {
                DebugUtil.LogError("找不到对应的特效: {0}", objName);
            }
        }
        catch (Exception e)
        {
            DebugUtil.LogError("GfxManager.ReturnGfxObj gfx:[{0}], Error: {1}", objName, e);
        }
    }

    private void UnloadGfx(string gfxName)
    {
        if (gfxDic.TryGetValue(gfxName, out var gfx))
        {
            AssetManager.Instance.Unload(string.Format(Constants.GfxPath, gfxName));
        }
    }

    public void Release()
    {
        foreach (var gfx in gfxDic)
        {
            if (gfx.Value != null)
            {
                DestroyImmediate(gfx.Value);
            }
        }

        gfxDic = null;
    }
}