using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace HttpClientStudy.Core.Utilities
{
    /// <summary>
    /// dotnet命令行工具类
    /// </summary>
    public static class DotnetCommondUtility
    {
        /// <summary>
        /// 执行dotnet命令
        /// </summary>
        /// <param name="command">命令</param>
        /// <param name="argument">命令参数</param>
        /// <param name="newWindow">新窗口执行命令</param>
        /// <returns>命令行输出文本</returns>
        public static string ExecuteCommand(string command, string argument = "", bool newWindow = false)
        {
            string output = "";

            try
            {
                if (newWindow)
                {
                    ProcessStartInfo startInfo = new ProcessStartInfo()
                    {
                        FileName = "pwsh.exe",
                        Arguments = $" Start-Process -FilePath 'dotnet' {command} {argument}",
                        //RedirectStandardOutput = true,
                        //StandardOutputEncoding = Encoding.UTF8,
                        //RedirectStandardError = true,
                        //StandardErrorEncoding = Encoding.UTF8,
                        //RedirectStandardInput = false,
                        //StandardInputEncoding = Encoding.UTF8,
                        UseShellExecute = false,
                        CreateNoWindow = false,
                    };


                    Process process = new Process()
                    {
                        StartInfo = startInfo,
                    };

                    process.Start();

                    output = "命令已在新窗口执行！";
                }
                else
                {
                    ProcessStartInfo startInfo = new ProcessStartInfo()
                    {
                        FileName = "dotnet",
                        Arguments = $"{command} {argument}",
                        RedirectStandardOutput = true,
                        StandardOutputEncoding = Encoding.UTF8,
                        RedirectStandardError = true,
                        StandardErrorEncoding = Encoding.UTF8,
                        //RedirectStandardInput = false,
                        //StandardInputEncoding = Encoding.UTF8,

                        //启用内核模式时，不能重定向输出
                        UseShellExecute = false,

                        //不创建新窗口
                        CreateNoWindow = false,
                    };

                    Process process = new Process()
                    {
                        StartInfo = startInfo,
                    };

                    //处理输出
                    process.OutputDataReceived += (sender, args) =>
                    {
                        if (!string.IsNullOrEmpty(args.Data))
                        {
                            output += args.Data;
                        }
                    };

                    process.Start();

                    //开始异步读取输出
                    process.BeginOutputReadLine();

                    //等待里程结束
                    process.WaitForExit();
                }
            }
            catch (Exception ex)
            {
                output = $"An error occurred: {ex.Message}";
            }

            return output;
        }

        /// <summary>
        /// 新窗口启动WebApp项目
        /// </summary>
        /// <param name="startFile">包含全路径的WebApp项目</param>
        /// <param name="args">命令参数</param>
        /// <returns></returns>
        public static string RunWebApp(string startFile, params string[] args)
        {
            string output = "";

            try
            {
                ProcessStartInfo startInfo = new ProcessStartInfo()
                {
                    FileName = "powershell.exe",
                    Arguments = $"Start-Process -FilePath '{startFile}' -ArgumentList '{string.Join(" ", args)}' ",
                    UseShellExecute = true,
                    CreateNoWindow = false,
                };


                Process process = new Process()
                {
                    StartInfo = startInfo,
                };

                process.Start();

                output = "已在新窗口中启动WebApp项目。如果已有实例在运行或者执行异常，则窗口会自动关闭；否则新窗口一直存在,直到手动关闭！";

            }
            catch (Exception ex)
            {
                output = $"An error occurred: {ex.Message}";
            }

            return output;
        }

        /// <summary>
        /// 停止WebAPI项目
        /// </summary>
        /// <param name="startFile">包含全路径的可执行文件</param>
        /// <returns></returns>
        public static string SopWebApp()
        {
            string output = "";

            try
            {
                string projectAndMutexName = WebApiConfigManager.GetWebApiConfigOption().CurrentValue.WebAppMutexName;

                ProcessStartInfo startInfo = new ProcessStartInfo()
                {
                    FileName = "powershell.exe",
                    Arguments = $"Stop-Process -Name '{projectAndMutexName}'",
                    UseShellExecute = false,
                    CreateNoWindow = true,
                    RedirectStandardOutput = true,
                    StandardOutputEncoding = Encoding.UTF8,
                };


                Process process = new Process()
                {
                    StartInfo = startInfo,
                };

                process.Start();

                process.WaitForExit();

                output = process.StandardOutput.ReadToEnd();

            }
            catch (Exception ex)
            {
                output = $"An error occurred: {ex.Message}";
            }

            return output;
        }
    }
}