using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Reflection;
using System.Configuration;

namespace RomCheater.UserSettingsSupport
{
    public sealed class SettingSubscriber
    {
        private class SettingsEventArgs : EventArgs
        {
            public SettingsEventArgs() :this(null) { }
            public SettingsEventArgs(System.Configuration.ApplicationSettingsBase settings) { this.Settings = settings; }
            public System.Configuration.ApplicationSettingsBase Settings { get; private set; }
        }
        private static EventHandler<SettingsEventArgs> OnSubscribeAddedEvent;
        static SettingSubscriber() { OnSubscribeAddedEvent += new EventHandler<SettingsEventArgs>(OnSubscribeAdded); }
        public static void AddSubscriber(System.Configuration.ApplicationSettingsBase settings) { AddSubscriber(null, settings); }
        public static void AddSubscriber(object Subscriber, System.Configuration.ApplicationSettingsBase settings) { if (OnSubscribeAddedEvent != null) { OnSubscribeAddedEvent(Subscriber, new SettingsEventArgs(settings)); } }
        private static void OnSubscribeAdded(object Subscriber, SettingsEventArgs e)
        {
            if (e.Settings != null)
            {
                foreach (SettingsProperty prop in e.Settings.Properties)
                {
                    if (prop.Name == "UpgradeRequired")
                    {
                        bool UpgradeRequired = Convert.ToBoolean(e.Settings[prop.Name]);
                        try
                        {
                            if (UpgradeRequired)
                            {
                                e.Settings.Upgrade();
                                e.Settings.Reload();
                                e.Settings[prop.Name] = false;
                                e.Settings.Save();
                            }
                        }
                        catch { e.Settings.Reset(); }
                        break;
                    }
                }
            }
        }
    }
}