using System;
using System.Collections.Generic;
using System.Threading;
using System.Diagnostics;
using System.Windows.Forms;
using System.Globalization;
 

namespace Handbrake.Functions
{
    class CLI
    {
        /// <summary>
        /// CLI output is based on en-US locale,
        /// we use this CultureInfo as IFormatProvider to *.Parse() calls
        /// </summary>
        static readonly public CultureInfo Culture = new CultureInfo("en-US", false); 

        Process hbProc = new Process();
        
        public Process runCli(object s, string query, bool stderr, bool stdout, bool useShellExec, bool noWindow)
        {
            try
            {
                hbProc = new Process();
                hbProc.StartInfo.FileName = "hbcli.exe";
                hbProc.StartInfo.Arguments = query;
                hbProc.StartInfo.RedirectStandardOutput = stdout;
                hbProc.StartInfo.RedirectStandardError = stderr;
                hbProc.StartInfo.UseShellExecute = useShellExec;
                hbProc.StartInfo.CreateNoWindow = noWindow;
                hbProc.Start();

                // Set the process Priority
                switch (Properties.Settings.Default.processPriority)
                {
                    case "Realtime":
                        hbProc.PriorityClass = ProcessPriorityClass.RealTime;
                        break;
                    case "High":
                        hbProc.PriorityClass = ProcessPriorityClass.High;
                        break;
                    case "Above Normal":
                        hbProc.PriorityClass = ProcessPriorityClass.AboveNormal;
                        break;
                    case "Normal":
                        hbProc.PriorityClass = ProcessPriorityClass.Normal;
                        break;
                    case "Low":
                        hbProc.PriorityClass = ProcessPriorityClass.Idle;
                        break;
                    default:
                        hbProc.PriorityClass = ProcessPriorityClass.BelowNormal;
                        break;
                }
            }
            catch
            {
                MessageBox.Show("Internal Software Error. Please Restart the Program");
            }
            return hbProc;
        }

        public void killCLI()
        {
            try
            {
                hbProc.Kill();
            }
            catch (Exception)
            {
                // No need to do anything. Chances are the process was already dead.
            }
        }

        public void closeCLI()
        {
            hbProc.Close();
            hbProc.Dispose();
        }

        public void setNull()
        {
            hbProc = new Process();
        }   
    }
}