using SharpCompress.Archives;
using SharpCompress.Archives.GZip;
using SharpCompress.Archives.Zip;
using SharpCompress.Common.GZip;
using SharpCompress.Common;
using SharpCompress.Common.SevenZip;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Diagnostics;

namespace PackingPress.Common
{
    public class ZipHelper
    {
        private ZipHelper(){ }

        public static void Zips(string inDirectory, string zipFile)
        {
            ArchiveEncoding archiveEncoding = new ArchiveEncoding();
            archiveEncoding.Default = Encoding.GetEncoding("utf-8");
            SharpCompress.Writers.WriterOptions options = new SharpCompress.Writers.WriterOptions(CompressionType.Deflate);
            options.ArchiveEncoding = archiveEncoding;
            options.LeaveStreamOpen = false;

            using (var archive = ZipArchive.Create())
            {
                archive.AddAllFromDirectory(inDirectory + "\\");
                archive.DeflateCompressionLevel = SharpCompress.Compressors.Deflate.CompressionLevel.BestSpeed;
                using (FileStream fs_scratchPath = new FileStream(zipFile, FileMode.Create, FileAccess.Write))
                {
                    try
                    {
                        archive.SaveTo(fs_scratchPath, options);
                    }
                    catch (Exception ex)
                    {
                        FileHelper.AppendWriteFile("InstallLog.txt", ex.Message + "|" + ex.StackTrace);
                    }
                }
            }
        }

        /// <summary>
        /// 解压文件
        /// </summary>
        /// <param name="zipFile">解压文件路径</param>
        /// <param name="outDirectory">解压文件后路径</param>
        public static void Decompression(string zipFile, string outDirectory)
        {
            if (File.Exists(zipFile))
            {
                ArchiveEncoding archiveEncoding = new ArchiveEncoding();
                archiveEncoding.Default = Encoding.GetEncoding("utf-8");
                SharpCompress.Readers.ReaderOptions options = new SharpCompress.Readers.ReaderOptions();
                options.ArchiveEncoding = archiveEncoding;
                options.LeaveStreamOpen = false;
                var archive = ArchiveFactory.Open(zipFile);
                foreach (var entry in archive.Entries)
                {
                    if (!entry.IsDirectory)
                    {
                        entry.WriteToDirectory(outDirectory, new ExtractionOptions { ExtractFullPath = true, Overwrite = true });
                    }
                }
            }
        }

        /// <summary>
        /// 解压文件7z
        /// </summary>
        /// <param name="filePath"></param>
        /// <param name="outPath"></param>
        /// <param name="waitForCompleted"></param>
        /// <returns></returns>
        public static bool DeZip(string filePath, string outPath, bool waitForCompleted = false)
        {
            using (Process ps = new Process())
            {
                ps.StartInfo.FileName = AppDomain.CurrentDomain.BaseDirectory + "\\7z\\7za.exe";
                ps.StartInfo.Arguments = $"x \"{filePath}\" -o\"{outPath}\" -y";
                ps.StartInfo.UseShellExecute = false;
                ps.StartInfo.CreateNoWindow = true;
                ps.StartInfo.Verb = "runas";
                if (waitForCompleted)
                {
                    ps.StartInfo.RedirectStandardOutput = true;
                    ps.StartInfo.RedirectStandardInput = true;
                }
                else
                {
                    ps.StartInfo.RedirectStandardOutput = false;
                    ps.StartInfo.RedirectStandardInput = false;
                }
                ps.Start();
                if (waitForCompleted)
                {
                    string text = ps.StandardOutput.ReadToEnd();
                    if (text.IndexOf("Everything is Ok") > -1)
                    {
                        ps.StandardInput.Write("Exit");
                        return true;
                    }
                }
                else
                {
                    ps.WaitForExit(10000);
                }
                return false;
            }
        }

        /// <summary>
        /// 压缩文件7z
        /// </summary>
        /// <param name="filePath"></param>
        /// <param name="zipFile"></param>
        /// <param name="waitForCompleted"></param>
        /// <returns></returns>
        public static bool EnZip(string filePath, string zipFile, bool waitForCompleted = false)
        {
            using (Process ps = new Process())
            {
                ps.StartInfo.FileName = AppDomain.CurrentDomain.BaseDirectory + "\\7z\\7za.exe";
                ps.StartInfo.Arguments = $"a -t7z \"{zipFile}\" \"{filePath}\"";
                ps.StartInfo.UseShellExecute = false;
                ps.StartInfo.CreateNoWindow = true;
                ps.StartInfo.Verb = "runas";
                if (waitForCompleted)
                {
                    ps.StartInfo.RedirectStandardOutput = true;
                    ps.StartInfo.RedirectStandardInput = true;
                }
                else
                {
                    ps.StartInfo.RedirectStandardOutput = false;
                    ps.StartInfo.RedirectStandardInput = false;
                }
                ps.Start();
                if (waitForCompleted)
                {
                    string text = ps.StandardOutput.ReadToEnd();
                    if (text.IndexOf("Everything is Ok") > -1)
                    {
                        ps.StandardInput.Write("Exit");
                        return true;
                    }
                }
                else
                {
                    ps.WaitForExit(10000);
                }
                return false;
            }
        }
    }
}