using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using AsbCloudApp.Data;
using AsbCloudApp.Data.WellSections;
using AsbCloudApp.Exceptions;
using AsbCloudApp.Services;
using AsbCloudInfrastructure.Services.WellSections;
using NSubstitute;
using Xunit;

namespace AsbCloudWebApi.Tests.UnitTests.Services.WellSections;

public class WellSectionPlanServiceTests
{
	private const int idWellSectionPlan = 1;
	private const int idWell = 3;
	private const int idWellSectionType = 54;

	private readonly IEnumerable<WellSectionPlanDto> fakePlanWellSections = new WellSectionPlanDto[]
	{
		new()
		{
			Id = idWellSectionPlan,
			IdWell = idWell,
			IdSectionType = idWellSectionType
		}
	};

	private readonly IEnumerable<WellSectionTypeDto> fakeWellSectionTypes = new WellSectionTypeDto[]
	{
		new()
		{
			Id = idWellSectionType
		}
	};

	private readonly IRepositoryWellRelated<WellSectionPlanDto> wellSectionPlanRepositoryMock =
		Substitute.For<IRepositoryWellRelated<WellSectionPlanDto>>();

	private readonly ICrudRepository<WellSectionTypeDto> wellSectionTypeRepositoryMock =
		Substitute.For<ICrudRepository<WellSectionTypeDto>>();

	private readonly WellSectionPlanService wellSectionPlanService;

	public WellSectionPlanServiceTests()
	{
		wellSectionPlanService = new WellSectionPlanService(wellSectionPlanRepositoryMock, wellSectionTypeRepositoryMock);

		wellSectionTypeRepositoryMock.GetAllAsync(Arg.Any<CancellationToken>())
			.ReturnsForAnyArgs(fakeWellSectionTypes);
	}

	[Fact]
	public async Task InsertAsync_InsertNewWellSectionTypeWithUniqueSectionTypeInWell_InvokesWellSectionPlanRepositoryInsertAsync()
	{
		//arrange
		var insertedWellSection = new WellSectionPlanDto();
		
		//act
		await wellSectionPlanService.InsertAsync(insertedWellSection, CancellationToken.None);

		//assert
		await wellSectionPlanRepositoryMock.Received().InsertAsync(Arg.Any<WellSectionPlanDto>(), Arg.Any<CancellationToken>());	
	}

	[Fact]
	public async Task InsertAsync_InsertNewWellSectionTypeWithNotUniqueSectionTypeInWell_ReturnsDuplicateException()
	{
		//arrange
		var insertedWellSection = new WellSectionPlanDto
		{
			Id = 2,
			IdSectionType = idWellSectionType
		};
		
		wellSectionPlanRepositoryMock.GetByIdWellAsync(Arg.Any<int>(), Arg.Any<CancellationToken>())
			.ReturnsForAnyArgs(fakePlanWellSections);
		
		//act
		Task Result() => wellSectionPlanService.InsertAsync(insertedWellSection, CancellationToken.None);
		
		//assert
		await Assert.ThrowsAsync<ArgumentInvalidException>(Result);
	}

	[Fact]
	public async Task UpdateAsync_UpdateExistingWellSectionTypeWithUniqueSectionTypeInWell_InvokesWellSectionPlanRepositoryUpdateAsync()
	{
		//arrange
		var updatedWellSection = new WellSectionPlanDto
		{
			Id = idWellSectionPlan,
			IdSectionType = idWellSectionType
		};

		//act
		await wellSectionPlanService.UpdateAsync(updatedWellSection, CancellationToken.None);
		
		//assert
		await wellSectionPlanRepositoryMock.Received().UpdateAsync(Arg.Any<WellSectionPlanDto>(), Arg.Any<CancellationToken>());
	}

	[Fact]
	public async Task UpdateAsync_ReturnsLastUpdateDateNotNull()
	{
		//arrange
		var updatedWellSection = new WellSectionPlanDto
		{
			Id = idWellSectionPlan,
			IdSectionType = idWellSectionType
		};

		//act
		await wellSectionPlanService.UpdateAsync(updatedWellSection, CancellationToken.None);
		
		//assert
		Assert.NotNull(updatedWellSection.LastUpdateDate);
	}

	[Fact]
	public async Task UpdateAsync_UpdateExistingWellSectionTypeWithNotUniqueSectionTypeInWell_ReturnsDuplicateException()
	{
		//arrange
		var updatedWellSection = new WellSectionPlanDto
		{
			Id = 2,
			IdSectionType = idWellSectionType
		};
		
		wellSectionPlanRepositoryMock.GetByIdWellAsync(Arg.Any<int>(), Arg.Any<CancellationToken>())
			.ReturnsForAnyArgs(fakePlanWellSections);
		
		//act
		Task Result() => wellSectionPlanService.UpdateAsync(updatedWellSection, CancellationToken.None);
		
		//assert
		await Assert.ThrowsAsync<ArgumentInvalidException>(Result);
	}

	[Fact]
	public async Task GetWellSectionTypesAsync_EmptyCollectionWellSectionPlan_ReturnsCollectionWellSectionType()
	{
		//arrange
		wellSectionPlanRepositoryMock.GetByIdWellAsync(Arg.Any<int>(), Arg.Any<CancellationToken>())
			.ReturnsForAnyArgs(Enumerable.Empty<WellSectionPlanDto>());
		
		//act
		var result = await wellSectionPlanService.GetWellSectionTypesAsync(idWell, CancellationToken.None);
		
		//assert
		Assert.Single(result);
	}

	[Fact]
	public async Task GetWellSectionTypesAsync_NotEmptyCollectionWellSectionPlan_ReturnsCollectionWellSectionType()
	{
		//arrange
		wellSectionPlanRepositoryMock.GetByIdWellAsync(Arg.Any<int>(), Arg.Any<CancellationToken>())
			.ReturnsForAnyArgs(fakePlanWellSections);
		
		//act
		var result = await wellSectionPlanService.GetWellSectionTypesAsync(idWell, CancellationToken.None);
		
		//assert
		Assert.Single(result);
	}
}