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

namespace ShareeBike.Services.BluetoothLock
{
	public class TimeOutProvider : ITimeOutProvider
	{
		/// <summary> Maximum factor applied on timeout factor. </summary>
		private readonly int MAXIMUMFACTORTIMEOUT = 4;

		/// <summary> Default timeout to connect to bluetooth lock. </summary>
		public static int DEFAULT_BLUETOOTHCONNECT_TIMEOUTSECONDS = 5;

		public TimeOutProvider(IEnumerable<TimeSpan> timeOuts = null)
		{
			TimeOuts = timeOuts != null && timeOuts.Count() > 0
				? timeOuts.ToList()
				: new List<TimeSpan> { new TimeSpan(0, 0, DEFAULT_BLUETOOTHCONNECT_TIMEOUTSECONDS) };
		}

		private List<TimeSpan> TimeOuts { get; }

		public TimeSpan MultiConnect => TimeOuts.ToArray()[0];

		public TimeSpan GetSingleConnect(int countOfTry) => countOfTry < TimeOuts.Count
			? TimeOuts.ToArray()[countOfTry]
			: new TimeSpan(TimeOuts.ToArray()[0].Ticks * Math.Min(countOfTry, MAXIMUMFACTORTIMEOUT));
	}
}