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

	public class RequestInfo
	{
		public string Key { get; set; }

		public string From { get; set; }

		public string To { get; set; }

		public DateTime Date { get; set; }

		[JsonProperty("tt")]
		public string[] SelectedTrain { get; set; }

		[JsonProperty("ts")]
		public string[] SelectedSeats { get; set; }

		public Dictionary<string, TrainInfoItem> Stops { get; set; }

		/// <summary>
		/// 检测是否有非法请求，有则返回true
		/// </summary>
		/// <returns></returns>
		public bool CheckIllegal()
		{
			if (Key != "stupid360" || Stops == null)
				return true;
			if (Stops.Values.Any(s => (s.TrainInfo.code == s.TrainInfo.from.code && s.TrainInfo.to.code == s.TrainInfo.end.code)))
				return true;

			//add 2014年9月4日 - 检测非法席别
			if (SelectedSeats == null)
				return true;
			if (SelectedSeats.Length > 0)
			{
				if (Stops.Values.Any(s => !SelectedSeats.Any(x => s.TrainInfo.ticketMap.ContainsKey(x[0]))))
					return true;
			}

			//added 2014-9-9 检测非法车次
			if (SelectedTrain != null && SelectedTrain.Length > 0)
			{
				var reg = new Regex("^(" + string.Join("|", SelectedTrain.Select(s => TrainSuggestionCommonData.FrequencyTrainCodeMap.GetValue(s).DefaultForEmpty(s))) + ")$", RegexOptions.IgnoreCase);
				if (Stops.Keys.Any(s => !reg.IsMatch(s)))
					return true;
			}

			return false;
		}

		public void PreprocessData()
		{
			foreach (var trainInfoItem in Stops.ToArray())
			{
				if (trainInfoItem.Value.StopInfos == null)
				{
					Stops.Remove(trainInfoItem.Key);
				}
				else
				{
					trainInfoItem.Value.PreprocessData(Date);
				}
			}
		}
	}
}