using System;
using ShareeBike.Model.State;
using ShareeBike.MultilingualResources;
using ShareeBike.ViewModel.Bikes.Bike;

namespace ShareeBike.ViewModel
{
	public class MyBikeInUseStateInfoProvider : IInUseStateInfoProvider
	{
		/// <summary> Gets reserved into display text. </summary>
		/// <todo>Log unexpected states.</todo>
		/// <returns>Display text</returns>
		public string GetReservedInfo(
			TimeSpan? remainingTime,
			string stationId = null,
			string code = null)
		{
			if (remainingTime == null)
			{
				// Remaining time is not available.
				if (stationId == null)
				{

					if (string.IsNullOrEmpty(code))
					{
						// Code is not available
						return AppResources.StatusTextReservationExpiredMaximumReservationTime;
					}

					return string.Format(AppResources.StatusTextReservationExpiredCodeMaxReservationTime, code);
				}

				if (string.IsNullOrEmpty(code))
				{
					return string.Format(AppResources.StatusTextReservationExpiredLocationMaxReservationTime, stationId);
				}

				return string.Format(AppResources.StatusTextReservationExpiredCodeLocationMaxReservationTime, code, stationId);
			}

			if (!string.IsNullOrEmpty(stationId))
			{
				if (!string.IsNullOrEmpty(code))
				{
					return string.Format(
						AppResources.StatusTextReservationExpiredCodeLocationReservationTime,
						code,
						ViewModelHelper.GetStationName(stationId),
						remainingTime.Value.Minutes);
				}

				return string.Format(
					AppResources.StatusTextReservationExpiredLocationReservationTime,
					ViewModelHelper.GetStationName(stationId),
					remainingTime.Value.Minutes);
			}

			return string.Format(
				AppResources.StatusTextReservationExpiredRemaining,
				remainingTime.Value.Minutes);
		}

		/// <summary>
		/// Gets booked into display text.
		/// </summary>
		/// <todo>Log unexpected states.</todo>
		/// <returns>Display text</returns>
		public string GetBookedInfo(
			DateTime? from,
			string stationId = null,
			string code = null)
		{
			if (from == null)
			{
				return AppResources.StatusTextBooked;
			}

			if (!string.IsNullOrEmpty(code))
			{
				if (!string.IsNullOrEmpty(stationId))
				{
					return string.Format(
						AppResources.StatusTextBookedCodeLocationSince,
						code,
						ViewModelHelper.GetStationName(stationId),
						from.Value.ToString(BikeViewModelBase.TIMEFORMAT));
				}

				return string.Format(AppResources.StatusTextBookedCodeSince, code, from.Value.ToString(BikeViewModelBase.TIMEFORMAT));
			}

			return string.Format(AppResources.StatusTextBookedSince, from.Value.ToString(BikeViewModelBase.TIMEFORMAT));
		}
	}
}