using AsbCloudApp.Data;
using AsbCloudApp.Services;
using AsbCloudDb.Model;
using AsbCloudInfrastructure.Services;
using Moq;
using System;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Xunit;

namespace AsbCloudWebApi.Tests.ServicesTests
{
    public class ScheduleServiceTest
    {
        private readonly AsbCloudDbContext context;
        private readonly ScheduleService scheduleService;
        private Deposit deposit = new Deposit { Id = 1, Caption = "Депозит 1" };
        private Cluster clater = new Cluster { Id = 1, Caption = "Кластер 1", IdDeposit = 1, Timezone = new SimpleTimezone() };
        private Schedule scd = new Schedule
        {
            Id = 1,
            IdWell = 1,
            IdDriller = 1,
            ShiftStart = new TimeOnly(10, 00),
            ShiftEnd = new TimeOnly(18, 00),
            DrillStart = DateTimeOffset.Parse("2022-05-16T10:00:00.286Z"),
            DrillEnd = DateTimeOffset.Parse("2022-05-16T18:00:00.286Z")
        };

        private ScheduleDto MakeScheduleDto(ScheduleDto? dto = null)
        {
            return new ScheduleDto
            {
                IdWell = dto?.IdWell ?? 1,
                IdDriller = dto?.IdDriller ?? 1,
                ShiftStart = dto?.ShiftStart ?? new TimeDto(10, 00),
                ShiftEnd = dto?.ShiftEnd ?? new TimeDto(18, 00),
                DrillStart = dto?.DrillStart ?? DateTime.Parse("2022-05-16T10:00:00.286Z"),
                DrillEnd = dto?.DrillEnd ?? DateTime.Parse("2022-05-16T18:00:00.286Z")
            };
        }
        
        private Well well = new Well {
            Id=1,
            Caption = "Test well 1", 
            IdCluster = 1,
            Timezone = new SimpleTimezone { Hours = 5 }
        };
        private Driller driller = new Driller
        {
            Id = 1,
            Name = "Тестовый",
            Patronymic = "Тест",
            Surname = "Тестович"
        };

    public ScheduleServiceTest()
        {
            context = TestHelpter.MakeTestContext();
            context.SaveChanges();

            context.Deposits.Add(deposit);
            context.Clusters.Add(clater);
            context.Wells.Add(well);
            context.Drillers.Add(driller);

            context.SaveChanges();

            var timezone = new SimpleTimezoneDto { Hours = 5 };
            var wellServiceMock = new Mock<IWellService>();
            wellServiceMock.Setup(s => s.GetTimezone(It.IsAny<int>())).Returns(timezone);
            scheduleService = new ScheduleService(context, wellServiceMock.Object);
            AsbCloudInfrastructure.DependencyInjection.MapsterSetup();
        }

        ~ScheduleServiceTest()
        {
        }

        [Fact]
        public async Task GetListAsync_count()
        {
            var id = await scheduleService.InsertAsync(MakeScheduleDto(), CancellationToken.None);
            id = await scheduleService.InsertAsync(MakeScheduleDto(), CancellationToken.None);
            id = await scheduleService.InsertAsync(MakeScheduleDto(), CancellationToken.None);

            var newCount = (await scheduleService.GetAllAsync(CancellationToken.None)).Count();
            Assert.Equal(3, newCount);
        }

        [Fact]
        public async Task InsertAsync_returns_id()
        {
            var id = await scheduleService.InsertAsync(MakeScheduleDto(), CancellationToken.None);
            Assert.NotEqual(0, id);
        }

        [Fact]
        public async Task UpdateAsync_not_add_if_exists()
        {
            context.Schedule.Add(scd);
            var oldCount = (await scheduleService.GetAllAsync(CancellationToken.None)).Count();

            var dto = MakeScheduleDto();
            dto.Id = 1;
            dto.DrillEnd = dto.DrillEnd.AddHours(-3);
            await scheduleService.UpdateAsync(dto, CancellationToken.None);
            var newCount = (await scheduleService.GetAllAsync(CancellationToken.None)).Count();
            Assert.Equal(newCount, oldCount);
        }

        [Fact]
        public async Task GetDriller_by_workTime_shift1()
        {
            var dto = MakeScheduleDto();
            dto.ShiftStart = new TimeDto(8, 00);
            dto.ShiftEnd = new TimeDto(20, 00);
            var id = await scheduleService.InsertAsync(dto, CancellationToken.None);
            var drillerWorkTime = new DateTime( 
                dto.DrillStart.Year,
                dto.DrillStart.Month,
                dto.DrillStart.Day,
                16, 1, 0, DateTimeKind.Unspecified);
            var res = await scheduleService.GetDrillerAsync(well.Id, drillerWorkTime, CancellationToken.None);
            Assert.Equal(id, res?.Id);
        }

        [Fact]
        public async Task GetDriller_by_workTime_shift2()
        {
            var dto = MakeScheduleDto();
            dto.ShiftStart = new TimeDto(20, 00);
            dto.ShiftEnd = new TimeDto(8, 00);
            var id = await scheduleService.InsertAsync(dto, CancellationToken.None);
            var drillerWorkTime = new DateTime(
                dto.DrillStart.Year,
                dto.DrillStart.Month,
                dto.DrillStart.Day,
                20, 1, 0, DateTimeKind.Unspecified);
            var res = await scheduleService.GetDrillerAsync(well.Id, drillerWorkTime, CancellationToken.None);
            Assert.Equal(id, res?.Id);
        }
    }
}