using System;
using System.Collections.Generic;
using System.Linq;
using NUnit.Framework;
using TINK.Repository;
using TINK.Repository.Response;
using static TINK.Repository.CopriCallsMemory;

namespace TestTINKLib.Fixtures.Connector.Request
{

	[TestFixture]
	public class TestCopriCallsMemory
	{
		[Test]
		public void TestConsistency()
		{
			foreach (SampleSets l_oSampleSet in Enum.GetValues(typeof(SampleSets)))
			{
				var l_oCopri = new CopriCallsMemory("MyMerchId", l_oSampleSet, 1, "4da3044c8657a04ba60e2eaa753bc51a");

				for (var l_iStageIndex = 1; l_iStageIndex <= l_oCopri.StagesCount; l_iStageIndex++)
				{
					Assert.That(l_oCopri.GetBikesAvailableAsync().Result?.bikes, Is.Not.Null, $"There must be at least one bike for sample set {l_oSampleSet}, stage {l_iStageIndex}.");
					VerifyBikeIdIsUnique(l_oCopri);

					Assert.IsNull(
						l_oCopri.GetBikesAvailableAsync().Result.bikes.Values.FirstOrDefault(x => x.state != "available"),
						"Bikes available must return bikes which are all of state available.");

					Assert.IsNull(
						l_oCopri.GetBikesOccupiedAsync().Result.bikes_occupied.Values.FirstOrDefault(x => x.state == "available"),
						"Bikes occupied must return bikes which are either reserved or booked.");
				}
			}
		}

		/// <summary>
		/// Test consistency for a single sample set, 
		/// </summary>
		/// <param name="p_oMemory"></param>
		private void VerifyBikeIdIsUnique(CopriCallsMemory p_oMemory)
		{
			Dictionary<string, BikeInfoBase> l_oChecker = new Dictionary<string, BikeInfoBase>();

			var l_oBikesAvailable = p_oMemory.GetBikesAvailableAsync().Result;
			foreach (var l_oBike in l_oBikesAvailable.bikes.Values)
			{
				Assert.IsFalse(
					l_oChecker.Keys.Contains(l_oBike.bike),
					string.Format(
						"Bike form available bikes with id {0} already exist in dictionary. Sample set is {1}, stage index {2}.",
						l_oBike.bike,
						p_oMemory.ActiveSampleSet,
						p_oMemory.ActiveStageIndex));

				l_oChecker.Add(l_oBike.bike, l_oBike);
			}

			var l_oBikesOccupied = p_oMemory.GetBikesOccupiedAsync().Result;
			foreach (var l_oBike in l_oBikesOccupied.bikes_occupied.Values)
			{
				Assert.IsFalse(
					l_oChecker.Keys.Contains(l_oBike.bike),
					string.Format(
						"Bike from occupied bikes with id {0} already exist in dictionary. Sample set is {1}, stage index {2}.",
						l_oBike.bike,
						p_oMemory.ActiveSampleSet,
						p_oMemory.ActiveStageIndex));
				l_oChecker.Add(l_oBike.bike, l_oBike);
			}
		}
	}
}