using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using LCU.API.Internal.Operations.IncentiveApiLib.Repositories;
using LCU.API.Internal.Operations.IncentiveApi.Services;
using LCU.Library.Internal.IncentiveApiModels.Entities;
using LCU.Library.Internal.IncentiveApiModels.Enums;
using Moq;
using NUnit.Framework;
using LCU.API.Internal.Operations.IncentiveApiLib.Persistence;
using LCU.API.Internal.Operations.IncentiveApi.Services.DispersalStrategy;
using LCU.API.Internal.Operations.IncentiveApiLib.Services;
using LCU.Library.Internal.IncentiveApiModels.Requests;
using LCU.Library.Internal.IncentiveApiModels.Common;

namespace Application.UnitTests.Services
{
    public class GoalServiceTest
    {
        private GoalService _goalService;
        private IGoalRepository _goalRepository;
        private IGoalChangeRepository _goalChangeRepository;
        private ICurrentUserService _currentUserService;
        private IDepartmentRepository _departmentRepository;
        private Mock<IDispersalStrategyService> _mockDispersalStrategyService;
        private IUserService _userService;
        private IUnitOfWork _unitOfWork;

        [SetUp]
        public void Setup()
        {
            _currentUserService = Mock.Of<ICurrentUserService>();
            _userService = Mock.Of<IUserService>();

            Mock.Get(_currentUserService).Setup(s => s.GetCurrentUser()).Returns(new ApplicationUser()
            {
                Email = "JohnTest@test.com"
            });

            _goalRepository = Mock.Of<IGoalRepository>();
            _goalChangeRepository = Mock.Of<IGoalChangeRepository>();
            _unitOfWork = Mock.Of<IUnitOfWork>();
            _mockDispersalStrategyService = new Mock<IDispersalStrategyService>();
            _departmentRepository = Mock.Of<IDepartmentRepository>();

            _goalService = new GoalService(_goalRepository, _goalChangeRepository, _currentUserService, _mockDispersalStrategyService.Object,
                _unitOfWork, _userService, _departmentRepository);
        }
        [Test]
        public async Task GetMonthlyPersonnelGoals_Basic()
        {
            var searchRequest = new DepartmentPersonnelSearchRequest()
            {
                DepartmentId = 55,
                Year = 2020,
                Month = 3
            };
            var users = new List<AppUser>()
            {
                new AppUser()
                {
                    FullName = "Tester Doe",
                    EmployeeId = "11771"
                }
            };
            var goals = new List<Goal>()
            {
                new Goal()
                {
                    Product = Product.Mortgage,
                    Value = 4,
                    EmployeeId = "11771",
                    DepartmentId = 55
                },
                new Goal()
                {
                    Product = Product.Vehicle,
                    Value = 4,
                    EmployeeId = "11771",
                    DepartmentId = 55
                }
            };

            Mock.Get(_userService).Setup(s => s.FindDepartmentAssignments(searchRequest))
                .ReturnsAsync(users);

            Mock.Get(_goalRepository).Setup(s => s.FindMonthlyPersonnelGoals(searchRequest.DepartmentId, users,
                    searchRequest.Year, searchRequest.Month))
                .ReturnsAsync(goals);

            var result = await _goalService.GetMonthlyPersonnelGoalsAsync(searchRequest);
            Assert.NotNull(result);
            Assert.NotNull(result.GoalAudit);
            Assert.IsNotEmpty(result.GoalAudit);
        }

        [Test]
        public async Task GetEmployeeDepartmentsGoalsForMonth_Basic()
        {
            var range = new MonthRange(2021, 1);

            var user = new AppUser()
            {
                FullName = "Tester Doe",
                EmployeeId = "11771",
                Departments = new List<UserDepartment>()
            };
            var userDept = new UserDepartment()
            {
                Role = Role.Teller,
                DepartmentId = 55,
                Employee = user,
                IsHome = true,
                SlidingPayout = 100,
                Department = new Department()
                {
                    Id = 55,
                    DepartmentName = "Dept1",
                    State = DepartmentState.Active
                }
            };
            user.Departments.Add(userDept);

            var goals = new List<Goal>()
            {
                new Goal()
                {
                    Product = Product.Mortgage,
                    Value = 4,
                    EmployeeId = "11771",
                    DepartmentId = 55
                },
                new Goal()
                {
                    Product = Product.Vehicle,
                    Value = 4,
                    EmployeeId = "11771",
                    DepartmentId = 55
                }
            };

            Mock.Get(_goalRepository).Setup(s =>
                    s.FindDepartmentGoalsByMonthRange(userDept.DepartmentId, It.IsAny<MonthRange>()))
                .ReturnsAsync(goals);

            var result = await _goalService.GetEmployeeDepartmentsGoalsForMonthRangeAsync(user, range);

            Assert.NotNull(result);
            Assert.NotNull(result);
        }

        [Test]
        public async Task GetEmployeeGoalsForMonth_Basic()
        {
            var searchRequest = new DepartmentPersonnelSearchRequest()
            {
                DepartmentId = 55,
                Year = 2020,
                Month = 3
            };
            var range = new MonthRange(2021, 1);

            var user = new AppUser()
            {
                FullName = "Tester Doe",
                EmployeeId = "11771",
                Departments = new List<UserDepartment>()
            };
            var userDept = new UserDepartment()
            {
                Role = Role.Teller,
                DepartmentId = 55,
                Employee = user,
                IsHome = true,
                SlidingPayout = 100,
                Department = new Department()
                {
                    Id = 55,
                    DepartmentName = "Dept1",
                    State = DepartmentState.Active
                }
            };
            user.Departments.Add(userDept);

            var goals = new List<Goal>()
            {
                new Goal()
                {
                    Product = Product.Mortgage,
                    Value = 4,
                    EmployeeId = "11771",
                    DepartmentId = 55
                },
                new Goal()
                {
                    Product = Product.Vehicle,
                    Value = 4,
                    EmployeeId = "11771",
                    DepartmentId = 55
                }
            };

            Mock.Get(_goalRepository).Setup(s =>
                    s.FindPersonnelGoalsByMonthRange(userDept.DepartmentId, It.IsAny<List<AppUser>>(), range))
                .ReturnsAsync(goals);

            var result = await _goalService.GetEmployeeGoalsForMonthRangeAsync(user, range);
            Assert.NotNull(result);
            Assert.NotNull(result.GoalAudit);
            Assert.IsNotEmpty(result.GoalAudit);
        }

        [Test]
        public async Task GetDeptGoals()
        {
            var goal = new Goal()
            {
                Product = Product.CheckCard,
                DepartmentId = 1,
                Value = 98,
                StartDate = DateTime.Parse("2021-07-01T00:00:00.000"),
                EndDate = DateTime.Parse("2021-07-31T23:59:00.000")
            };
            var goal2 = new Goal()
            {
                Product = Product.CheckCard,
                DepartmentId = 1,
                Value = 99,
                StartDate = DateTime.Parse("2021-08-01T00:00:00.000"),
                EndDate = DateTime.Parse("2021-08-31T23:59:00.000")
            };
            var goal3 = new Goal()
            {
                Product = Product.CheckCard,
                DepartmentId = 1,
                Value = 100,
                StartDate = DateTime.Parse("2020-09-01T00:00:00.000"),
                EndDate = DateTime.Parse("2020-09-30T23:59:00.000")
            };
            var goalDiffDept = new Goal()
            {
                Product = Product.CheckCard,
                DepartmentId = 2,
                Value = 101,
                StartDate = DateTime.Parse("2021-09-01T00:00:00.000"),
                EndDate = DateTime.Parse("2021-09-30T23:59:00.000")
            };
            var inputGoals = new List<Goal>()
            {
                goal, goal2, goal3, goalDiffDept
            };

            var startDate = goal.StartDate;
            Mock.Get(_goalRepository).Setup(mock => mock.FindAnnualDepartmentGoals(It.IsAny<int>(), It.IsAny<int>()))
                .ReturnsAsync(inputGoals);

            var goals = await _goalService.GetAnnualDepartmentGoalsAsync(goal.DepartmentId, startDate.Year);
            Assert.NotNull(goals);
            var checkCardGoals = goals.MonthlyGoals[goal.StartDate.Month - 1].ProductGoals[Product.CheckCard];
            Assert.AreEqual(goal.Value, checkCardGoals);
        }

        [Test]
        public async Task GetAllDeptGoals()
        {
            var goal = new Goal()
            {
                Product = Product.CheckCard,
                DepartmentId = 1,
                Value = 98,
                StartDate = DateTime.Parse("2021-07-01T00:00:00.000"),
                EndDate = DateTime.Parse("2021-07-31T23:59:00.000")
            };
            var goal2 = new Goal()
            {
                Product = Product.CheckCard,
                DepartmentId = 1,
                Value = 99,
                StartDate = DateTime.Parse("2021-08-01T00:00:00.000"),
                EndDate = DateTime.Parse("2021-08-31T23:59:00.000")
            };
            var goalDiffDept = new Goal()
            {
                Product = Product.CheckCard,
                DepartmentId = 2,
                Value = 100,
                StartDate = DateTime.Parse("2020-09-01T00:00:00.000"),
                EndDate = DateTime.Parse("2020-09-30T23:59:00.000")
            };
            var goalDiffDept2 = new Goal()
            {
                Product = Product.CheckCard,
                DepartmentId = 2,
                Value = 101,
                StartDate = DateTime.Parse("2021-09-01T00:00:00.000"),
                EndDate = DateTime.Parse("2021-09-30T23:59:00.000")
            };
            var inputGoals = new List<Goal>()
            {
                goal, goal2
            };
            var inputGoals2 = new List<Goal>()
            {
                goalDiffDept, goalDiffDept2
            };
            var departments = new List<Department>()
            {
                new Department()
                {
                    Id = 1,
                    DepartmentName = "dept1"
                },
                new Department()
                {
                    Id = 2,
                    DepartmentName = "dept2"
                }
            };

            var startDate = goal.StartDate;
            Mock.Get(_goalRepository).Setup(mock => mock.FindAnnualDepartmentGoals(1, It.IsAny<int>()))
                .ReturnsAsync(inputGoals);
            Mock.Get(_goalRepository).Setup(mock => mock.FindAnnualDepartmentGoals(2, It.IsAny<int>()))
                .ReturnsAsync(inputGoals2);
            Mock.Get(_departmentRepository).Setup(mock => mock.GetAllDepartmentsAsync()).ReturnsAsync(departments);

            var goals = await _goalService.GetAllAnnualDepartmentGoalsAsync(startDate.Year);
            Assert.NotNull(goals);
            var checkCardGoals = goals.First().MonthlyGoals[goal.StartDate.Month - 1].ProductGoals[Product.CheckCard];
            Assert.AreEqual(goal.Value, checkCardGoals);
        }

        [Test]
        public async Task GetGoalChanges_Basic()
        {
            var goals = new List<GoalChange>()
            {
                new GoalChange()
                {
                    Product = Product.Mortgage,
                    Value = 4,
                    DepartmentId = 55
                },
                new GoalChange()
                {
                    Product = Product.Vehicle,
                    Value = 4,
                    DepartmentId = 55
                }
            };

            Mock.Get(_goalChangeRepository).Setup(s => s.GetGoalChangesAsync())
                .ReturnsAsync(goals);

            var result = await _goalService.GetGoalChangesAsync();
            Assert.NotNull(result);
            Assert.IsNotEmpty(result);
        }
    }
}