using System;
using System.Collections.Generic;
using TINK.Model.Stations.StationNS.Operator;

namespace TINK.Model.Stations.StationNS
{
	/// <summary> Holds station info. </summary>
	public class Station : IStation
	{
		/// <summary> Constructs a station object.</summary>
		/// <param name="id">Id of the station.</param>
		/// <param name="group">Group (TINK, Konrad) to which station is related.</param>
		/// <param name="position">GPS- position of the station.</param>
		/// <param name="stationName">Name of the station.</param>
		public Station(
			string id,
			IEnumerable<string> group = null,
			IPosition position = null,
			string stationName = "",
			IData operatorData = null,
			IBikeGroupCol bikeGropCol = null)
		{
			Id = id;
			Group = group ?? throw new ArgumentException("Can not construct station object. Group of stations must not be null.");
			Position = position;
			StationName = stationName ?? string.Empty;
			OperatorData = operatorData ?? new Data();
			BikeGroups = bikeGropCol ?? new BikeGroupCol();
		}

		/// <summary> Holds the unique id of the station.c</summary>
		public string Id { get; }

		/// <summary> Holds the group to which the station belongs.</summary>
		public IEnumerable<string> Group { get; }

		/// <summary> Gets the name of the station.</summary>
		public string StationName { get; }

		/// <summary> Holds the gps- position of the station.</summary>
		public IPosition Position { get; }

		/// <summary> Holds operator related info.</summary>
		public IData OperatorData { get; }

		/// <summary> Gets the count of bikes available at station. </summary>
		public int? AvailableBikesCount => BikeGroups.AvailableCount;

		/// <summary> Gets bike <see cref="BikeGroupCol.Entry"/> objects. </summary>
		/// <remarks> Each entry has a name, holds the count of available bikes at station and the group value.		/// </remarks>
		public IBikeGroupCol BikeGroups { get; }
	}
}