using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Windows;

namespace GraphingCalculator
{
    /// <summary>
    /// Interaction logic for App.xaml
    /// </summary>
    public partial class App : Application
    {
        protected override void OnStartup(StartupEventArgs e)
        {
            base.OnStartup(e);

            Log.LogEvent("Session started!");
        }

        protected override void OnExit(ExitEventArgs e)
        {
            base.OnExit(e);

            Log.LogEvent("Session finished! Exit code: {0}", e.ApplicationExitCode);
            Log.LogEvent("-----------------");

            try {
                if (!System.IO.Directory.Exists("logs")) System.IO.Directory.CreateDirectory("logs");

                if (System.IO.File.Exists("logs\\graphingcalc.log"))
                    System.IO.File.AppendAllLines("logs\\graphingcalc.log", Log.Entries.ToArray());
                else System.IO.File.WriteAllLines("logs\\graphingcalc.log", Log.Entries.ToArray()); 
            }
            catch { }

            // Save settings
            GraphingCalculator.Properties.Settings.Default.Save();
        }
    }
}