using System;
using System.Diagnostics;

namespace 文件的壓縮
{
    internal class Program
    {
        private static void Main(string[] args)
        {
            Console.WriteLine("你好，接下來開始壓縮文件");

            ZipsHelper.CompressedInformation compressedInformation = new ZipsHelper.CompressedInformation(
               @"E:\壓縮文件測試\壓縮文件_Orgion\V_1696602827.txt",
               "",
                "",
               ZipsHelper.CompressedFileType.Zip,
               ZipsHelper.CompressedPackageEncryptionMode.AES256);
            //壓縮  E:\壓縮文件測試\壓縮文件_Orgion\V1696602827.txt
            //到     E:\壓縮文件測試\壓縮文件_Orgion\V1696602827.zip

            ZipsHelper.DoCompressedFile(compressedInformation);

            Console.ReadKey();

        }
    }

    /// <summary>
    /// zip文件壓縮
    /// </summary>
    public class ZipsHelper
    {

        /// <summary>
        /// 壓縮文件
        /// </summary>
        public static void DoCompressedFile(CompressedInformation compressedInformation)
        {
            // 設置7-Zip可執(zhí)行文件的路徑，根據(jù)你的安裝路徑進行修改
            string sevenZipExePath = @"C:\Program Files\7-Zip\7z.exe";
            if (!System.IO.File.Exists(sevenZipExePath))
            {
                Console.WriteLine($"未能找到7z.exe ，請檢查路徑，當前路徑是：{sevenZipExePath}");
                return;
            }
           if (compressedInformation.Password.Length > 98)
            {
                Console.WriteLine($"壓縮取消，密碼長度過長，最大長度是98，當前長度是：{compressedInformation.Password.Length}。");
                return;
            }
            string encryptionMethod;//壓縮包的加密方式
            if (compressedInformation.CompressedPackageEncryptionMode == CompressedPackageEncryptionMode.AES256)
            {
                encryptionMethod = "-mem=AES256";
            }
            //else if (compressedInformation.CompressedPackageEncryptionMode == CompressedPackageEncryptionMode.LZMA)
            //{
            //encryptionMethod = "-mhe=on -m0=BCJ2 -m1=LZMA2 -m2=LZMA2 -m3=LZMA2 -mb0:1 -mb0s1:2 -mb0s2:3";
            //}
            else
            {
                encryptionMethod = "-mem=AES256";
            }

            string format;//設置壓縮包的格式
            if (compressedInformation.CompressedFileType == CompressedFileType.Zip)
            {
                compressedInformation.CompressedFilePath += ".zip";//添加壓縮包的文件后綴
                format = "zip";
            }
            else
            {
                format = "7z";
            }

            string arguments;//壓縮的參數(shù)
            //構建7-Zip命令行參數(shù) 
            if (compressedInformation.Password == "")//當選擇了壓縮的加密方式但是密碼為空的時候不能壓縮
            {
                arguments = $"a -t{format} \"{compressedInformation.CompressedFilePath}\" \"{compressedInformation.FilePathToCompress}\"";
            }
            else
            {
                arguments = $"a -t{format} \"{compressedInformation.CompressedFilePath}\" \"{compressedInformation.FilePathToCompress}\" {encryptionMethod} -p{compressedInformation.Password}";
            }


            Console.WriteLine(arguments);

            // 創(chuàng)建一個新的進程來運行7-Zip
            Process process = new Process();
            process.StartInfo.FileName = sevenZipExePath;
            process.StartInfo.Arguments = arguments;
            process.StartInfo.UseShellExecute = false;
            process.StartInfo.RedirectStandardOutput = true;
            process.StartInfo.RedirectStandardError = true;
            process.StartInfo.CreateNoWindow = true;

            // 啟動7-Zip進程并等待其完成
            process.Start();
            process.WaitForExit();

            // 處理輸出結果
            string output = process.StandardOutput.ReadToEnd();
            string error = process.StandardError.ReadToEnd();

            if (string.IsNullOrEmpty(error))
            {
                Console.WriteLine("文件壓縮成功！");
            }
            else
            {
                Console.WriteLine("文件壓縮失敗，錯誤信息：" + error);
            }

            Console.WriteLine();
            Console.WriteLine();
            Console.WriteLine();
            Console.WriteLine();
            Console.WriteLine(output);


        }


        /// <summary>
        /// 壓縮包類型
        /// </summary>
        public enum CompressedFileType
        {
            Zip = 1,
            //  _7Z = 2

        }

        /// <summary>
        /// 壓縮包加密格式
        /// </summary>
        public enum CompressedPackageEncryptionMode
        {
            AES256,
            //  LZMA,
        }


        public class CompressedInformation
        {
            /// <summary>
            /// 壓縮文件路徑
            /// </summary>
            private string filePathToCompress;

            /// <summary>
            /// 輸出文件路徑
            /// </summary>
            private string compressedFilePath;

            /// <summary>
            /// 密碼
            /// </summary>
            private string password;

            /// <summary>
            /// 壓縮包類型
            /// </summary>
            private CompressedFileType compressedFileType;


            /// <summary>
            ///  壓縮包加密格式
            /// </summary>
            private CompressedPackageEncryptionMode compressedPackageEncryptionMode;

            public string FilePathToCompress { get => filePathToCompress; set => filePathToCompress = value; }
            public string CompressedFilePath { get => compressedFilePath; set => compressedFilePath = value; }
            public string Password { get => password; set => password = value; }
            public CompressedFileType CompressedFileType { get => compressedFileType; set => compressedFileType = value; }
            public CompressedPackageEncryptionMode CompressedPackageEncryptionMode { get => compressedPackageEncryptionMode; set => compressedPackageEncryptionMode = value; }

            /// <summary>
            /// 壓縮命令參數(shù)
            /// </summary>
            /// <param name="filePathToCompress">壓縮文件路徑</param>
            /// <param name="compressedFilePath">壓縮包輸出路徑</param>
            /// <param name="password">密碼</param>
            /// <param name="compressedFileType">壓縮包格式</param>
            /// <param name="compressedPackageEncryptionMode">壓縮包加密方式</param>
            public CompressedInformation(string filePathToCompress,
                string compressedFilePath = "",
                string password = "",
                CompressedFileType compressedFileType = CompressedFileType.Zip,
                CompressedPackageEncryptionMode compressedPackageEncryptionMode = CompressedPackageEncryptionMode.AES256)
            {
                this.FilePathToCompress = filePathToCompress;
                this.CompressedFilePath = compressedFilePath;
                this.Password = password;
                this.CompressedFileType = compressedFileType;
                this.CompressedPackageEncryptionMode = compressedPackageEncryptionMode;

                if (compressedFilePath == "")
                {
                    GetFileNameAndExtension(filePathToCompress, out compressedFilePath);
                    this.CompressedFilePath = compressedFilePath;
                }
            }

            public static void GetFileNameAndExtension(string filePath, out string pathWithoutExtension)
            {
                pathWithoutExtension = System.IO.Path.ChangeExtension(filePath, null); // 去除文件后綴
            }


        }

    }

}