using System.IO;
using System.Threading;
using Thousandto.Update.Log;
using ZipFileUtils = UnityEngine.Gonbest.MagicCube.ZipFileUtils;

namespace Thousandto.Update.Trans
{
    /// <summary>
    /// 启动时，转移安卓资源
    /// </summary>
    public class TransAndroidResource : TransResource
    {
        private static string[] _firstUnzipList = new string[]
        {
            "Assets/GameAssets/Resources/References",
            "Assets/GameAssets/Resources/Config",
            "Assets/GameAssets/Resources/SceneConfig",
            "Assets/GameAssets/Resources/MapInfo",
        };

        public static bool ForTest = false;
        public override void BeginTransRes()
        {
            //先转移指定列表的资源
            _success = UpzipApk(_firstUnzipList, true);

            if(_success)
                CallInternalCallback(); 

            UpdateLog.DEBUG_LOG(string.Format("转移资源结束 {0}/{1}", nWriteCount, nReadCount));

            UpdateLog.DEBUG_LOG("转移资源结束： " + _success);

            //RunThread(() =>
            //{
            //    //然后开一个线程转移剩余的资源
            //    if(UpzipApk(_firstUnzipList, false))
            //    {
            //        CallInternalCallback();
            //    }
            //});
        }

        //优先释放流程
        private bool UpzipApk(string[] targetList, bool useContain)
        {
            var apkPath = FixApkPath(_resourcePath);
            return ZipFileUtils.UnzipTargetList(apkPath, IsUnZipObb ? null : targetList, _outPath, useContain, ref nReadCount, ref nWriteCount, IsUnZipObb);
        }

        private void Rename(string sourcePath, string targetPath)
        {
            if (File.Exists(targetPath))
                File.Delete(targetPath);
            File.Move(sourcePath, targetPath);
        }

        private string FixApkPath(string source)
        {
            var apkPath = source;
            apkPath = apkPath.Replace("!/assets", "");
            apkPath = apkPath.Replace("jar:file://", "");

            return apkPath;
        }

        private void RunThread(ThreadStart action)
        {
            Thread t = new Thread(action);
            t.Priority = ThreadPriority.Lowest;
            t.Start();
        }
        
        private void OccurDiskFull()
        {
            //try
            {
                int index = 0;
                string tempPath = _outPath + "/Temp";
                while (File.Exists(tempPath))
                {
                    tempPath += (++index);
                }

                int buffer = 512 * 1024 * 1024;
                using (var tempStream = File.Create(tempPath))
                {
                    //tempStream.SetLength(buffer);
                    tempStream.Write(new byte[buffer], 0, buffer);
                    tempStream.Flush();
                    tempStream.Close();
                    //File.Delete(tempPath);
                    ++nWriteCount;
                }
                //return;
            }
            //catch (Exception ex)
            //{
            //    UpdateLog.ERROR_LOG("Exception:" + ex.Message);
            //    _success = false;
            //    UpdateLog.DEBUG_LOG(string.Format("转移结束 {0}/{1}", nWriteCount, nReadCount));
            //    return;
            //}
        }
    }
}