using System;
using System.Collections.Generic;
using System.IO;
using S22.Xmpp;
using S22.Xmpp.Client;
using S22.Xmpp.Im;

namespace RhinoReminds
{
	public class ProgramSettings
	{
		public string AllowedDomain = "*";
		public string Filepath = "./reminders.xml";
		public string Jid = null;

		public string Password = null;
	}

	public static class Program
	{
		private static ProgramSettings settings = new ProgramSettings();

		public static int Main(string[] args)
		{
			List<string> extras = new List<string>();
			for (int i = 0; i < args.Length; i++)
			{
				if (!args[i].StartsWith("-")) {
					extras.Add(args[i]);
					continue;
				}

				switch (args[i]) {
					case "-h":
					case "--help":
						Console.WriteLine("--- RhinoReminds ---");
						Console.WriteLine("> An XMPP reminder bot");
						Console.WriteLine("    By Starbeamrainbowlabs");
						Console.WriteLine();
						Console.WriteLine("Usage:");
						Console.WriteLine("    mono RhinoReminds.exe {options}");
						Console.WriteLine();
						Console.WriteLine("Options:");
						Console.WriteLine("    -h  --help    Show this message");
						Console.WriteLine($"    -f  --file    Specify where to save reminders (default: {settings.Filepath})");
						Console.WriteLine("        --domain {domain}  Set the domain users are allowed to originate at. Defaults to any domain.");
						Console.WriteLine();
						Console.WriteLine("Environment Variables:");
						Console.WriteLine("    XMPP_JID       The JID to login to");
						Console.WriteLine("    XMPP_PASSWORD  The password to login with");
						return 0;

					case "--jid":
						settings.Jid = args[++i];
						break;

					case "-d":
					case "--domain":
						settings.AllowedDomain = args[++i];
						break;

				}
			}

			settings.Jid = Environment.GetEnvironmentVariable("XMPP_JID");
			settings.Password = Environment.GetEnvironmentVariable("XMPP_PASSWORD");

			Run();

			return 0;
		}

		public static void Run()
		{
			ClientListener client = new ClientListener(settings.Jid, settings.Password) {
				ReminderFilePath = settings.Filepath
			};
			client.AllowedDomains.Add(settings.AllowedDomain);
			client.Start().Wait();
		}
	}
}