using System.Collections.Generic;
using System.Diagnostics;
using System.Reflection;

namespace DaJiaoYan.Utils
{
    internal class ProcessExts
    {
        public static Process RunningInstance(ref Process target)
        {
            Process result = null;
            Process[] processes = Process.GetProcessesByName(target.ProcessName);
            //遍历与当前进程名称相同的进程列表  
            foreach (Process process in processes)
            {
                //如果实例已经存在则忽略当前进程  
                if (process.Id != target.Id)
                {
                    //保证要打开的进程同已经存在的进程来自同一文件路径
                    if (Assembly.GetExecutingAssembly().Location.Replace("/", "\\").Equals(target.MainModule.FileName))
                    {
                        //返回已经存在的进程
                        result = process;
                        break;
                    }
                }
            }
            return result;
        }

        /// <summary>
        /// 获取运行的
        /// </summary>
        /// <param name="filename"></param>
        /// <returns></returns>
        public static Process RunningInstance(string filename)
        {
            Process result = null;
            filename = filename.Replace("/", "\\");
            Process[] processes = Process.GetProcesses();
            foreach (Process process in processes)
            {
                try
                {
                    if (process != null && process.MainModule != null && process.MainModule.FileName.Replace("/", "\\").Equals(filename))
                    {
                        result = process;
                        break;
                    }
                }
                catch
                {
                }

            }
            return result;
        }

        public static List<Process> GetSubProcess(string parentName)
        {
            List<Process> result = new List<Process>();
            Process[] processes = Process.GetProcesses();
            int i = 0;
            foreach (Process process in processes)
            {
                try
                {
                    Utils.Log.WriteLine($"{++i}:  {process.MainModule.ModuleName} / {process.MainModule.FileName}");
                    //if (process != null && process.MainModule != null && process.MainModule.ModuleName.FileName.Replace("/", "\\").Equals(filename))
                    //{
                    //    result.Add(process);
                    //    break;
                    //}
                }
                catch
                {

                }

            }
            return result;
        }


        /// <summary>
        /// 启动升级程序
        /// </summary>
        public static void RunUpdate()
        {
            Process.Start(Variables.Const.UPDATE_EXEC_FILENAME);
        }
    }
}