using System;
using System.IO;
using System.Runtime.InteropServices;

namespace BizHawk.MultiClient
{
    static class LogConsole
    {
        [DllImport("kernel32.dll", SetLastError = true)]
        static extern bool AllocConsole();

        [DllImport("kernel32.dll", SetLastError = true)]
        static extern bool FreeConsole();
        
        public static bool ConsoleVisible 
        { 
            get; 
            private set; 
        }

        public static void ShowConsole()
        {
            if (ConsoleVisible) return;
            AllocConsole();
            ConsoleVisible = true;
            var sout = new StreamWriter(Console.OpenStandardOutput()) {AutoFlush = true};
            Console.SetOut(sout);
            Console.Title = "BizHawk Message Log";
            
        }

        public static void HideConsole()
        {
            if (ConsoleVisible == false) return;
            FreeConsole();
            Console.SetOut(TextWriter.Null);
            ConsoleVisible = false;
        }
    }
}