namespace Web12306.Servers.TrainSuggestion
{
	using System;
	using System.Collections.Generic;
	using System.Linq;
	using System.Text.RegularExpressions;

	public static class Cn12306SuggestionUtility
	{
		public static double TimeRangeLimitRadio = double.Parse(System.Configuration.ConfigurationManager.AppSettings["12306_trainsuggestion_maxradio"]);

		public static readonly char[] BaseSeatCodes = "O219PM6430".ToArray();

		public static TimeSpan GetTimeSpace(TimeSpan t1, TimeSpan t2)
		{
			var t = t2 - t1;
			if (t.Ticks < 0)
				t = t.Add(new TimeSpan(1, 0, 0, 0));
			return t;
		}

		public static int GetStopTime(string stopTimeStr)
		{
			var m = Regex.Match(stopTimeStr, @"(\d+)·ÖÖÓ");
			return m.Success ? int.Parse(m.Groups[1].Value) : 0;
		}

		public static TimeSpan GetStopTimeSpan(string stopTimeStr)
		{
			var m = Regex.Match(stopTimeStr, @"(\d+)·ÖÖÓ");
			return m.Success ? new TimeSpan(0, int.Parse(m.Groups[1].Value), 0) : TimeSpan.Zero;
		}

		public static int GetTimeValue(string time)
		{
			var m = Regex.Match(time, @"0?(\d+):0?(\d+)");
			return m.Success ? int.Parse(m.Groups[1].Value) * 60 + int.Parse(m.Groups[2].Value) : 0;
		}
		public static TimeSpan GetTimeValueSpan(string time)
		{
			var m = Regex.Match(time, @"0?(\d+):0?(\d+)");
			return m.Success ? new TimeSpan(int.Parse(m.Groups[1].Value), int.Parse(m.Groups[2].Value), 0) : TimeSpan.Zero;
		}

		public static int GetTimeSpace(string time1, string time2)
		{
			var x1 = GetTimeValue(time1);
			var x2 = GetTimeValue(time2);

			return x1 <= x2 ? x2 - x1 : x2 + 24 * 60 - x1;
		}

	}
}