using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System.IO;
using System.Threading;

public class AssetDeCompressTask
{


    public static string assetDeCompressVersion
    {
        get
        {
            return LocalSave.GetString("AssetDeCompressVersion");
        }
        set
        {
            LocalSave.SetString("AssetDeCompressVersion", value);
        }
    }

    public static bool assetDeCompressCompleted
    {
        get
        {
            if (string.IsNullOrEmpty(assetDeCompressVersion))
            {
                return false;
            }
            else
            {
                return assetDeCompressVersion == VersionConfig.Get().version;
            }
        }
    }



    public static DecompressProgress DecompressAync(string path)
    {
        var progress = new DecompressProgress();
        // var files = new List<FileInfo>();
        // FileExtersion.GetAllDirectoryFileInfos(path, files);

        // for (var i = files.Count - 1; i >= 0; i--)
        // {
        //     var fullName = files[i].FullName;
        //     if (!fullName.EndsWith(".7z"))
        //     {
        //         files.RemoveAt(i);
        //     }
        // }

        // var total = files.Count;
        // if (total == 0)
        // {
        //     progress.progress = 1f;
        //     progress.done = true;
        //     return progress;
        // }

        // ThreadPool.QueueUserWorkItem((object a) =>
        // {
        //     var index = 0;
        //     foreach (var item in files)
        //     {
        //         var fullName = item.FullName;
        //         if (fullName.EndsWith(".7z"))
        //         {
        //             SevenZipUtility.DeCompress(fullName, Path.GetDirectoryName(fullName));
        //             index++;
        //             progress.progress = index / (float)total;
        //         }
        //     }

        //     progress.done = true;
        // });
        progress.done = true;
        return progress;
    }



    public class DecompressProgress
    {
        object progressLock = new object();
        float m_Progress = 0f;
        public float progress
        {
            get
            {
                return m_Progress;
            }
            set
            {
                lock (progressLock)
                {
                    m_Progress = value;
                }
            }
        }

        object doneLock = new object();
        bool m_Done = false;
        public bool done
        {
            get
            {
                return m_Done;
            }
            set
            {
                lock (doneLock)
                {
                    m_Done = value;
                }
            }
        }

    }

}



public class AssetDecompressTask : LaunchTask
{
    public override float expectTime
    {
        get { return LocalSave.GetFloat("AssetDecompressTask_ExpectTime", 5f); }
        protected set { LocalSave.SetFloat("AssetDecompressTask_ExpectTime", value); }
    }

    AssetDeCompressTask.DecompressProgress deCompressProgress = null;
    float waitTimer = 0f;

    public override void Begin()
    {
        LaunchInHot.m_CurrentStage = LaunchStage.AssetDecompress;
        duration = Mathf.Max(0.5f, expectTime);

        if (!AssetDeCompressTask.assetDeCompressCompleted)
        {
            deCompressProgress = AssetDeCompressTask.DecompressAync(ResourcesPath.Instance.ExternalStorePath);
            done = false;
        }
        else
        {
            done = true;
        }
    }

    public override void End()
    {
        AssetDeCompressTask.assetDeCompressVersion = VersionConfig.Get().version;
    }

    public override void Update()
    {
        if (done)
        {
            return;
        }

        timer += Time.deltaTime;
        progress = timer / duration;
        if (deCompressProgress == null || deCompressProgress.done)
        {
            waitTimer += Time.deltaTime;
            if (waitTimer > 2f)
            {
                done = true;
            }
        }
    }

}