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 void Decompress(string path)
    {
        var files = new List<FileInfo>();
        FileExtersion.GetAllDirectoryFileInfos(path, files);
        foreach (var item in files)
        {
            var fullName = item.FullName;
            if (fullName.EndsWith(".7z"))
            {
                SevenZipUtility.DeCompress(fullName, Path.GetDirectoryName(fullName));
            }
        }
    }

    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;
        });

        return progress;
    }

    public static void Delete7zFiles(string path)
    {
        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[i].Delete();
            }
        }
    }

    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;
                }
            }
        }

    }

}