using System.Collections.Generic;
using System.Linq;

namespace TINK.Model.Stations.StationNS.Operator
{
	public class BikeGroupCol : List<BikeGroupCol.Entry> , IBikeGroupCol
	{
		/// <summary>
		/// Holds a group of bikes at a station.
		/// </summary>
		public class Entry
		{
			/// <summary>
			/// Bike group entry.
			/// </summary>
			/// <param name="name">Name of the group, either "Citybikes" or "Cargobikes".</param>
			/// <param name="availableCount"></param>
			/// <param name="group"></param>
			public Entry(string name, int? availableCount = null, string group = null)
			{
				Name = name;
				AvailableCount = availableCount ?? 0;
				Group = group ?? string.Empty;
			}

			/// <summary>
			/// Name of the group, either "Citybikes" or "Cargobikes".
			/// </summary>
			public string Name { get; }

			/// <summary> Holds the count of bikes available of given type at station. </summary>
			public int AvailableCount { get; }

			/// <summary>
			/// Holds the group of the bikes. Konrad separates cargo and city bikes by group.
			/// </summary>
			public string Group { get; }
		}

		public BikeGroupCol() : base() { }

		public BikeGroupCol(IEnumerable<Entry> source) : base(source) { }

		/// <summary> Holds the count of bikes available of any type at station. </summary>
		public int AvailableCount => this.Select(x => x.AvailableCount).Sum();

	}
}