using System.Net;
using Microsoft.Extensions.DependencyInjection;
using Persistence.Client;
using Persistence.Client.Clients;
using Persistence.Database.Entity;
using Persistence.Models;
using Xunit;

namespace Persistence.IntegrationTests.Controllers;
public class WitsDataControllerTest : BaseIntegrationTest
{
	private IWitsDataClient witsDataClient;

	public WitsDataControllerTest(WebAppFactoryFixture factory) : base(factory)
	{
		var scope = factory.Services.CreateScope();
		var persistenceClientFactory = scope.ServiceProvider
			.GetRequiredService<PersistenceClientFactory>();

		witsDataClient = persistenceClientFactory.GetClient<IWitsDataClient>();
	}

	[Fact]
	public async Task GetDatesRangeAsync_returns_success()
	{
		//arrange
		dbContext.CleanupDbSet<ParameterData>();

		var discriminatorId = 1;

		//act
		var response = await witsDataClient.GetDatesRangeAsync(discriminatorId, new CancellationToken());

		//assert
		Assert.Equal(HttpStatusCode.OK, response.StatusCode);
		Assert.NotNull(response.Content);
	}

	[Fact]
	public async Task GetPart_returns_success()
	{
		//arrange
		dbContext.CleanupDbSet<ParameterData>();

		var discriminatorId = 1;
		var dateBegin = DateTimeOffset.UtcNow;
		var take = 1;

		//act
		var response = await witsDataClient.GetPart(discriminatorId, dateBegin, take, new CancellationToken());

		//assert
		Assert.Equal(HttpStatusCode.OK, response.StatusCode);
		Assert.NotNull(response.Content);
		Assert.Empty(response.Content);
	}

	[Fact]
	public async Task InsertRange_returns_success()
	{
		//arrange
		dbContext.CleanupDbSet<ParameterData>();

		//act
		await AddRange();
	}

	[Fact]
	public async Task GetValuesForGraph_returns_success()
	{
		//arrange
		dbContext.CleanupDbSet<ParameterData>();

		var discriminatorId = 1;
		var dateFrom = DateTimeOffset.UtcNow;
		var dateTo = DateTimeOffset.UtcNow;
		var approxPointCount = 12;

		//act
		var response = await witsDataClient.GetValuesForGraph(discriminatorId, dateFrom, dateTo, approxPointCount, new CancellationToken());

		//assert
		Assert.Equal(HttpStatusCode.OK, response.StatusCode);
		Assert.NotNull(response.Content);
		Assert.Empty(response.Content);
	}

	[Fact]
	public async Task GetDatesRangeAsync_AfterSave_returns_success()
	{
		//arrange
		dbContext.CleanupDbSet<ParameterData>();

		var dtos = await AddRange();
		var discriminatorId = dtos.FirstOrDefault()!.DiscriminatorId;

		//act
		var response = await witsDataClient.GetDatesRangeAsync(discriminatorId, new CancellationToken());

		//assert
		Assert.Equal(HttpStatusCode.OK, response.StatusCode);
		Assert.NotNull(response.Content);

		var expectedDateFrom = dtos
			.Select(e => e.Timestamped)
			.Min()
			.ToString("dd.MM.yyyy-HH:mm:ss");
		var actualDateFrom = response.Content.From.DateTime
			.ToString("dd.MM.yyyy-HH:mm:ss");
		Assert.Equal(expectedDateFrom, actualDateFrom);

		var expectedDateTo = dtos
			.Select(e => e.Timestamped)
			.Min()
			.ToString("dd.MM.yyyy-HH:mm:ss");
		var actualDateTo = response.Content.From.DateTime
			.ToString("dd.MM.yyyy-HH:mm:ss");
		Assert.Equal(expectedDateTo, actualDateTo);
	}

	[Fact]
	public async Task GetPart_AfterSave_returns_success()
	{
		//arrange
		dbContext.CleanupDbSet<ParameterData>();

		var dtos = await AddRange();
		var discriminatorId = dtos.FirstOrDefault()!.DiscriminatorId;
		var dateBegin = dtos.FirstOrDefault()!.Timestamped;
		var take = 1;

		//act
		var response = await witsDataClient.GetPart(discriminatorId, dateBegin, take, new CancellationToken());

		//assert
		Assert.Equal(HttpStatusCode.OK, response.StatusCode);
		Assert.NotNull(response.Content);
		Assert.NotEmpty(response.Content);
		Assert.Equal(take, response.Content.Count());
	}

	[Fact]
	public async Task GetValuesForGraph_AfterSave_returns_success()
	{
		//arrange
		dbContext.CleanupDbSet<ParameterData>();

		var dtos = await AddRange(37);
		var discriminatorId = dtos.FirstOrDefault()!.DiscriminatorId;
		var dateFrom = dtos.Select(e => e.Timestamped).Min();
		var dateTo = dtos.Select(e => e.Timestamped).Max();
		var approxPointCount = 12;

		//act
		var response = await witsDataClient.GetValuesForGraph(discriminatorId, dateFrom, dateTo, approxPointCount, new CancellationToken());

		//assert
		Assert.Equal(HttpStatusCode.OK, response.StatusCode);
		Assert.NotNull(response.Content);
		Assert.Equal(approxPointCount, response.Content.Count());
	}

	[Fact]
	public async Task InsertRange_returns_BadRequest()
	{
		//arrange
		var dtos = new List<WitsDataDto>()
		{
			new WitsDataDto()
			{
				DiscriminatorId = -1, // < 0
				Timestamped = DateTimeOffset.UtcNow,
				Values = new List<WitsValueDto>()
				{
					new WitsValueDto()
					{
						RecordId = -1, // < 0
						ItemId = 101, // > 100
						Value = string.Empty
					}
				}
			}
		};

		//act
		var response = await witsDataClient.AddRange(dtos, new CancellationToken());

		//assert
		Assert.Equal(HttpStatusCode.BadRequest, response.StatusCode);
	}

	private async Task<IEnumerable<WitsDataDto>> AddRange(int countToCreate = 10)
	{
		var dtos = new List<WitsDataDto>();
		var timestamped = DateTimeOffset.UtcNow;
		for (var i = 0; i < countToCreate && i < 100; i++)
		{
			dtos.Add(new WitsDataDto()
			{
				DiscriminatorId = 1,
				Timestamped = timestamped.AddSeconds(i),
				Values = new List<WitsValueDto>()
				{
					new WitsValueDto()
					{
						RecordId = i + 1,
						ItemId = i + 1,
						Value = new Random().Next(1, 100)
					}
				}
			});
		}

		//act
		var response = await witsDataClient.AddRange(dtos, new CancellationToken());

		//assert
		var count = dtos.SelectMany(e => e.Values).Count();
		Assert.Equal(HttpStatusCode.Created, response.StatusCode);
		Assert.Equal(count, response.Content);

		return dtos;
	}
}