namespace Web12306.Servers.TrainSuggestion
{
	using System;
	using Newtonsoft.Json;

	public class TrainInfoItem
	{
		[JsonProperty("info")]
		public TrainInfo TrainInfo { get; set; }

		[JsonProperty("stops")]
		public StopInfo[] StopInfos { get; set; }

		public void PreprocessData(DateTime requestDate)
		{
			TrainInfo.from.TimePoint = requestDate.Date.Add(Cn12306SuggestionUtility.GetTimeValueSpan(TrainInfo.from.time));

			//查找开始站
			var startIndex = Array.FindIndex(StopInfos, s => s.isEnabled);
			TrainInfo.from.Index = startIndex;
			TrainInfo.to.Index = Array.FindIndex(StopInfos, startIndex + 1, s => !s.isEnabled);
			if (TrainInfo.to.Index == -1)
				TrainInfo.to.Index = StopInfos.Length - 1;

			if (TrainInfo.from.Index == -1 || TrainInfo.to.Index == -1)
				return;

			StopInfos[startIndex].StartTime = TrainInfo.from.TimePoint;
			if (startIndex > 0)
			{
				StopInfos[startIndex].ArriveTime = requestDate.Add(StopInfos[startIndex].ArriveTimePoint);
				if (StopInfos[startIndex].ArriveTime > StopInfos[startIndex].StartTime)
					StopInfos[startIndex].ArriveTime = StopInfos[startIndex].ArriveTime.AddDays(-1);
			}
			var tempDate = requestDate;
			for (var i = startIndex - 1; i >= 0; i--)
			{
				var sto = StopInfos[i];
				var stn = StopInfos[i + 1];

				sto.StartTime = tempDate.Add(sto.StartTimePoint);
				if (sto.StartTime > stn.StartTime)
				{
					tempDate = tempDate.AddDays(-1);
					sto.StartTime = sto.StartTime.AddDays(-1);
				}
				if (i > 0)
				{
					sto.ArriveTime = tempDate.Add(sto.ArriveTimePoint);
					if (sto.ArriveTime > sto.StartTime)
					{
						tempDate = tempDate.AddDays(-1);
						sto.ArriveTime = sto.ArriveTime.AddDays(-1);
					}
				}
			}
			tempDate = requestDate;
			for (var i = startIndex + 1; i < StopInfos.Length; i++)
			{
				var sto = StopInfos[i];
				var stn = StopInfos[i - 1];

				sto.ArriveTime = tempDate.Add(sto.ArriveTimePoint);
				if (sto.ArriveTime < stn.StartTime)
				{
					tempDate = tempDate.AddDays(1);
					sto.ArriveTime = sto.ArriveTime.AddDays(1);
				}
				if (i < StopInfos.Length - 1)
				{
					sto.StartTime = tempDate.Add(sto.StartTimePoint);

					if (sto.StartTime < sto.ArriveTime)
					{
						tempDate = tempDate.AddDays(1);
						sto.StartTime = sto.StartTime.AddDays(1);
					}
				}
			}

			//var startTime = StopInfos.Select(s => s.StartTime).ToArray();
			//var stopTime = StopInfos.Select(s => s.StopTime).ToArray();
		}
	}
}