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

namespace Application.UnitTests.Repository
{
    public class GoalRepositoryTest
    {
        private ApplicationDbContext _context;
        private GoalRepository _repository;

        [SetUp]
        public void Setup()
        {
            var mockDateTime = new DateTimeService();
            var mockCurrentUserService = Mock.Of<ICurrentUserService>();
            Mock.Get(mockCurrentUserService).Setup(s => s.GetCurrentUser()).Returns(new ApplicationUser()
            {
                Email = "JohnTest@test.com",
            });
            var options = new DbContextOptionsBuilder<ApplicationDbContext>()
                .UseInMemoryDatabase(Guid.NewGuid().ToString())
                .EnableSensitiveDataLogging(true)
                .Options;
            _context = new ApplicationDbContext(options, mockCurrentUserService, mockDateTime);
            _repository = new GoalRepository(_context);
        }

        [Test]
        public async Task Basic_Flow_Test()
        {
            var saved = await _repository.GetGoalsAsync(new GoalSearchRequest());
            Assert.NotNull(saved);
            Assert.IsEmpty(saved);

            var newId = await _repository.SaveGoalAsync(new Goal()
            {
                DepartmentId = 6,
                StartDate = new DateTime(DateTime.Now.Year, DateTime.Now.Month, 1),
                EndDate = new DateTime(DateTime.Now.Year, DateTime.Now.Month, 1).AddMonths(1).Subtract(TimeSpan.FromDays(1)),
                EmployeeId = null
            });
            await _context.SaveChangesAsync();

            saved = await _repository.GetGoalsAsync(new GoalSearchRequest()
                {
                    IncludePersonnel = false
                }
            );
            Assert.NotNull(saved);
            Assert.IsNotEmpty(saved);
            var first = saved.First();
            // Make sure our Auditable is working.
            Assert.NotNull(first.CreatedBy);
            Assert.NotNull(first.Created);
        }

        [Test]
        public async Task Basic_Search_Test()
        {
            var saved = await _repository.GetGoalsAsync(new GoalSearchRequest());
            Assert.NotNull(saved);
            Assert.IsEmpty(saved);

            var startDate = new DateTime(2021, 3, 1);
            var endDate = (new DateTime(2021, 3, 1)).EndOfMonth();


            var goalPersonnel = new Goal()
            {
                Product = Product.NewChecking,
                Value = 10,
                DepartmentId = 1,
                StartDate = startDate,
                EndDate = endDate,
                EmployeeId = "programming@landmarkcu.com"
            };

            var goal = new Goal()
            {
                Product = Product.NewChecking,
                Value = 10,
                DepartmentId = 1,
                StartDate = startDate,
                EndDate = endDate
            };

            var goal2 = new Goal()
            {
                Product = Product.NewChecking,
                Value = 8,
                DepartmentId = 2,
                StartDate = startDate,
                EndDate = endDate
            };

            var goal3 = new Goal()
            {
                Product = Product.NewChecking,
                Value = 11,
                DepartmentId = 1,
                StartDate = new DateTime(2021, 4, 1),
                EndDate = (new DateTime(2021, 4, 1)).EndOfMonth()
            };

            await _repository.SaveGoalAsync(goalPersonnel);
            await _repository.SaveGoalAsync(goal);
            await _repository.SaveGoalAsync(goal2);
            await _repository.SaveGoalAsync(goal3);
            await _context.SaveChangesAsync();

            saved = await _repository.GetGoalsAsync(new GoalSearchRequest()
                {
                    IncludePersonnel = false
                }
            );
            Assert.NotNull(saved);
            Assert.IsNotEmpty(saved);
            Assert.AreEqual(3, saved.Count);

            saved = await _repository.GetGoalsAsync(new GoalSearchRequest()
                {
                    IncludePersonnel = true
                }
            );
            Assert.NotNull(saved);
            Assert.IsNotEmpty(saved);
            Assert.AreEqual(1, saved.Count);

            saved = await _repository.GetGoalsAsync(new GoalSearchRequest()
                {
                    IncludePersonnel = false,
                    departmentId = 1
                }
            );
            Assert.NotNull(saved);
            Assert.IsNotEmpty(saved);
            Assert.AreEqual(2, saved.Count);


              saved = await _repository.GetGoalsAsync(new GoalSearchRequest()
                {
                    IncludePersonnel = true,
                    departmentId = 1
                }
            );
            Assert.NotNull(saved);
            Assert.IsNotEmpty(saved);
            Assert.AreEqual(1, saved.Count);

            saved = await _repository.GetGoalsAsync(new GoalSearchRequest()
                {
                    IncludePersonnel = false,
                    DateRange = new MonthRange(2021,3)
                }
            );
            Assert.NotNull(saved);
            Assert.IsNotEmpty(saved);
            Assert.AreEqual(2, saved.Count);
        }

        [Test]
        public async Task Multi_Year_Search_Test()
        {
            var saved = await _repository.GetGoalsAsync(new GoalSearchRequest());
            Assert.NotNull(saved);
            Assert.IsEmpty(saved);

            var startDate = new DateTime(2021, 6, 1);
            var endDate = (new DateTime(2021, 6, 1)).EndOfMonth();

            var goal = new Goal()
            {
                Product = Product.NewChecking,
                Value = 10,
                DepartmentId = 1,
                StartDate = startDate,
                EndDate = endDate
            };

            var goal2 = new Goal()
            {
                Product = Product.NewChecking,
                Value = 11,
                DepartmentId = 1,
                StartDate = new DateTime(2022, 4, 1),
                EndDate = (new DateTime(2022, 4, 1)).EndOfMonth()
            };

            await _repository.SaveGoalAsync(goal);
            await _repository.SaveGoalAsync(goal2);
            await _context.SaveChangesAsync();

            saved = await _repository.GetGoalsAsync(new GoalSearchRequest()
                {
                    DateRange = new MonthRange(2021,6, 2022,6),
                    IncludePersonnel = false
                }
            );
            Assert.NotNull(saved);
            Assert.IsNotEmpty(saved);
            Assert.AreEqual(2, saved.Count);
        }

        [Test]
        public async Task Find_Goal_Basic()
        {
            var saved = await _repository.GetGoalsAsync(new GoalSearchRequest());
            Assert.NotNull(saved);
            Assert.IsEmpty(saved);

            var goalChange = new GoalChange()
            {
                Product = Product.NewChecking,
                Value = 10,
                DepartmentId = 1,
                StartDate = new DateTime(2021, 3, 1),
                EndDate = (new DateTime(2021, 3, 1)).EndOfMonth(),
                PersonId = "programming@landmarkcu.com"
            };

            var goal = new Goal()
            {
                Product = Product.NewChecking,
                Value = 10,
                DepartmentId = 1,
                StartDate = new DateTime(2021, 3, 1),
                EndDate = (new DateTime(2021, 3, 1)).EndOfMonth(),
                EmployeeId = "programming@landmarkcu.com"
            };

            var newId = await _repository.SaveGoalAsync(goal);
            await _context.SaveChangesAsync();

            var foundGoal = await _repository.FindExistingGoal(goalChange);
            Assert.NotNull(foundGoal);
            // Make sure our Auditable is working.
            Assert.NotNull(foundGoal.CreatedBy);
            Assert.NotNull(foundGoal.Created);
        }

        [Test]
        public async Task Find_Goal_UsesDate()
        {
            var saved = await _repository.GetGoalsAsync(new GoalSearchRequest());
            Assert.NotNull(saved);
            Assert.IsEmpty(saved);

            var goalChange = new GoalChange()
            {
                Product = Product.NewChecking,
                Value = 10,
                DepartmentId = 1,
                StartDate = new DateTime(2021, 3, 1),
                EndDate = (new DateTime(2021, 3, 1)).EndOfMonth(),
                PersonId = "programming@landmarkcu.com"
            };

            var goal = new Goal()
            {
                Product = Product.NewChecking,
                Value = 10,
                DepartmentId = 1,
                StartDate = new DateTime(2021, 3, 1),
                EndDate = (new DateTime(2021, 3, 1)).AddMonths(1).AddMilliseconds(-1),
                EmployeeId = "programming@landmarkcu.com"
            };

            var newId = await _repository.SaveGoalAsync(goal);
            await _context.SaveChangesAsync();

            var foundGoal = await _repository.FindExistingGoal(goalChange);
            Assert.NotNull(foundGoal);
            // Make sure our Auditable is working.
            Assert.NotNull(foundGoal.CreatedBy);
            Assert.NotNull(foundGoal.Created);
        }


        [Test]
        public async Task Find_Goal_Department_Basic()
        {
            var saved = await _repository.GetGoalsAsync(new GoalSearchRequest());
            Assert.NotNull(saved);
            Assert.IsEmpty(saved);

            var startDate = new DateTime(2021, 3, 1);
            var endDate = (new DateTime(2021, 3, 1)).EndOfMonth();

            // This personnel goal shouldn't be returned.
            var goalPersonnel = new Goal()
            {
                Product = Product.NewChecking,
                Value = 10,
                DepartmentId = 1,
                StartDate = startDate,
                EndDate = endDate,
                EmployeeId = "programming@landmarkcu.com"
            };

            var goal = new Goal()
            {
                Product = Product.NewChecking,
                Value = 10,
                DepartmentId = 1,
                StartDate = startDate,
                EndDate = endDate
            };

            var goal2 = new Goal()
            {
                Product = Product.NewChecking,
                Value = 8,
                DepartmentId = 2,
                StartDate = startDate,
                EndDate = endDate
            };

            var goal3 = new Goal()
            {
                Product = Product.NewChecking,
                Value = 11,
                DepartmentId = 1,
                StartDate = new DateTime(2021, 4, 1),
                EndDate = (new DateTime(2021, 4, 1)).EndOfMonth()
            };

            await _repository.SaveGoalAsync(goalPersonnel);
            await _repository.SaveGoalAsync(goal);
            await _repository.SaveGoalAsync(goal2);
            await _repository.SaveGoalAsync(goal3);
            await _context.SaveChangesAsync();

            var foundGoals = await _repository.FindDepartmentGoals(1, startDate, endDate);
            Assert.NotNull(foundGoals);
            Assert.IsNotEmpty(foundGoals);
            Assert.AreEqual(1, foundGoals.Count);
            Assert.AreEqual(10, foundGoals.First().Value);
        }

        [Test]
        public async Task Find_Goal_Department_Annual()
        {
            var saved = await _repository.GetGoalsAsync(new GoalSearchRequest());
            Assert.NotNull(saved);
            Assert.IsEmpty(saved);

            var startDate = new DateTime(2021, 3, 1);
            var endDate = (new DateTime(2021, 3, 1)).EndOfMonth();

            // This personnel goal shouldn't be returned.
            var goalPersonnel = new Goal()
            {
                Product = Product.NewChecking,
                Value = 7,
                DepartmentId = 1,
                StartDate = startDate,
                EndDate = endDate,
                EmployeeId = "programming@landmarkcu.com"
            };

            var goal = new Goal()
            {
                Product = Product.NewChecking,
                Value = 10,
                DepartmentId = 1,
                StartDate = startDate,
                EndDate = endDate
            };

            var goal2 = new Goal()
            {
                Product = Product.NewChecking,
                Value = 8,
                DepartmentId = 2,
                StartDate = startDate,
                EndDate = endDate
            };

            var goal3 = new Goal()
            {
                Product = Product.NewChecking,
                Value = 11,
                DepartmentId = 1,
                StartDate = new DateTime(2021, 4, 1),
                EndDate = (new DateTime(2021, 3, 1)).EndOfMonth()
            };

            await _repository.SaveGoalAsync(goalPersonnel);
            await _repository.SaveGoalAsync(goal);
            await _repository.SaveGoalAsync(goal2);
            await _repository.SaveGoalAsync(goal3);
            await _context.SaveChangesAsync();

            var foundGoals = await _repository.FindAnnualDepartmentGoals(1, startDate.Year);
            Assert.NotNull(foundGoals);
            Assert.IsNotEmpty(foundGoals);
            Assert.AreEqual(2, foundGoals.Count);
            Assert.AreEqual(10, foundGoals.First().Value);
            Assert.AreEqual(11, foundGoals.ElementAt(1).Value);
        }

        [Test]
        public async Task Find_Goal_Personnel_Basic()
        {
            var saved = await _repository.GetGoalsAsync(new GoalSearchRequest());
            Assert.NotNull(saved);
            Assert.IsEmpty(saved);

            var startDate = new DateTime(2021, 3, 1);
            var endDate = (new DateTime(2021, 3, 1)).EndOfMonth();

            // This department goal shouldn't be returned
            var departmentGoal = new Goal()
            {
                Product = Product.NewChecking,
                Value = 10,
                DepartmentId = 1,
                StartDate = startDate,
                EndDate = endDate
            };

            var goal = new Goal()
            {
                Product = Product.NewChecking,
                Value = 10,
                DepartmentId = 1,
                StartDate = startDate,
                EndDate = endDate,
                EmployeeId = "programming@landmarkcu.com"
            };

            var goalx = new Goal()
            {
                Product = Product.NewChecking,
                Value = 10,
                DepartmentId = 1,
                StartDate = startDate,
                EndDate = endDate,
                EmployeeId = "xyz@landmarkcu.com"
            };

            var goal2 = new Goal()
            {
                Product = Product.NewChecking,
                Value = 8,
                DepartmentId = 2,
                StartDate = startDate,
                EndDate = endDate,
                EmployeeId = "programming@landmarkcu.com"
            };

            var goal3 = new Goal()
            {
                Product = Product.NewChecking,
                Value = 11,
                DepartmentId = 1,
                StartDate = new DateTime(2021, 4, 1),
                EndDate = (new DateTime(2021, 4, 1)).EndOfMonth(),
                EmployeeId = "programming@landmarkcu.com"
            };

            await _repository.SaveGoalAsync(departmentGoal);
            await _repository.SaveGoalAsync(goal);
            await _repository.SaveGoalAsync(goalx);
            await _repository.SaveGoalAsync(goal2);
            await _repository.SaveGoalAsync(goal3);
            await _context.SaveChangesAsync();

            var users = new List<AppUser>()
            {
                new AppUser()
                {
                    AdEmail = "programming@landmarkcu.com",
                    EmployeeId = "programming@landmarkcu.com",
                    FullName = "John McTester",
                    HomeDepartment = "QA",
                    BaseRole = "Tester",
                    Role = Role.Developer,
                }
            };
            var foundGoals = await _repository.FindPersonnelGoals(1, users, startDate, endDate);
            Assert.NotNull(foundGoals);
            Assert.IsNotEmpty(foundGoals);
            Assert.AreEqual(1, foundGoals.Count);
            Assert.AreEqual(10, foundGoals.First().Value);
        }

        [Test]
        public async Task Find_Goal_Personnel_Monthly()
        {
            var saved = await _repository.GetGoalsAsync(new GoalSearchRequest());
            Assert.NotNull(saved);
            Assert.IsEmpty(saved);

            var startDate = new DateTime(2021, 3, 1);
            var endDate = (new DateTime(2021, 3, 1)).EndOfMonth();

            // This department goal shouldn't be returned
            var departmentGoal = new Goal()
            {
                Product = Product.NewChecking,
                Value = 10,
                DepartmentId = 1,
                StartDate = startDate,
                EndDate = endDate
            };

            var goal = new Goal()
            {
                Product = Product.NewChecking,
                Value = 10,
                DepartmentId = 1,
                StartDate = startDate,
                EndDate = endDate,
                EmployeeId = "programming@landmarkcu.com"
            };

            // Not the same person.
            var goalx = new Goal()
            {
                Product = Product.NewChecking,
                Value = 10,
                DepartmentId = 1,
                StartDate = startDate,
                EndDate = endDate,
                EmployeeId = "xyz@landmarkcu.com"
            };

            // Not the same department
            var goal2 = new Goal()
            {
                Product = Product.NewChecking,
                Value = 8,
                DepartmentId = 2,
                StartDate = startDate,
                EndDate = endDate,
                EmployeeId = "programming@landmarkcu.com"
            };

            // not the same month
            var goal3 = new Goal()
            {
                Product = Product.NewChecking,
                Value = 11,
                DepartmentId = 1,
                StartDate = new DateTime(2021, 4, 1),
                EndDate = (new DateTime(2021, 4, 1)).EndOfMonth(),
                EmployeeId = "programming@landmarkcu.com"
            };

            await _repository.SaveGoalAsync(departmentGoal);
            await _repository.SaveGoalAsync(goal);
            await _repository.SaveGoalAsync(goalx);
            await _repository.SaveGoalAsync(goal2);
            await _repository.SaveGoalAsync(goal3);
            await _context.SaveChangesAsync();

            var users = new List<AppUser>()
            {
                new AppUser()
                {
                    AdEmail = "programming@landmarkcu.com",
                    EmployeeId = "programming@landmarkcu.com",
                    FullName = "John McTester",
                    HomeDepartment = "QA",
                    BaseRole = "Tester",
                    Role = Role.Developer,
                }
            };
            var foundGoals = await _repository.FindMonthlyPersonnelGoals(1, users, startDate.Year, startDate.Month);
            Assert.NotNull(foundGoals);
            Assert.IsNotEmpty(foundGoals);
            Assert.AreEqual(1, foundGoals.Count);
            Assert.AreEqual(10, foundGoals.First().Value);
        }

        [Test]
        public async Task Find_Goal_Personnel_Month_Range()
        {
            var saved = await _repository.GetGoalsAsync(new GoalSearchRequest());
            Assert.NotNull(saved);
            Assert.IsEmpty(saved);

            var startDate = new DateTime(2021, 3, 1);
            var endDate = (new DateTime(2021, 3, 1)).EndOfMonth();

            // This department goal shouldn't be returned
            var departmentGoal = new Goal()
            {
                Product = Product.NewChecking,
                Value = 10,
                DepartmentId = 1,
                StartDate = startDate,
                EndDate = endDate
            };

            var goal = new Goal()
            {
                Product = Product.NewChecking,
                Value = 10,
                DepartmentId = 1,
                StartDate = startDate,
                EndDate = endDate,
                EmployeeId = "programming@landmarkcu.com"
            };

            // Not the same person.
            var goalx = new Goal()
            {
                Product = Product.NewChecking,
                Value = 10,
                DepartmentId = 1,
                StartDate = startDate,
                EndDate = endDate,
                EmployeeId = "xyz@landmarkcu.com"
            };

            // Not the same department
            var goal2 = new Goal()
            {
                Product = Product.NewChecking,
                Value = 8,
                DepartmentId = 2,
                StartDate = startDate,
                EndDate = endDate,
                EmployeeId = "programming@landmarkcu.com"
            };

            // not the same month
            var goal3 = new Goal()
            {
                Product = Product.NewChecking,
                Value = 11,
                DepartmentId = 1,
                StartDate = new DateTime(2021, 4, 1),
                EndDate = (new DateTime(2021, 4, 1)).EndOfMonth(),
                EmployeeId = "programming@landmarkcu.com"
            };

            // not in month range
            var goal4 = new Goal()
            {
                Product = Product.NewChecking,
                Value = 12,
                DepartmentId = 1,
                StartDate = new DateTime(2021, 5, 1),
                EndDate = (new DateTime(2021, 5, 1)).EndOfMonth(),
                EmployeeId = "programming@landmarkcu.com"
            };

            await _repository.SaveGoalAsync(departmentGoal);
            await _repository.SaveGoalAsync(goal);
            await _repository.SaveGoalAsync(goalx);
            await _repository.SaveGoalAsync(goal2);
            await _repository.SaveGoalAsync(goal3);
            await _repository.SaveGoalAsync(goal4);
            await _context.SaveChangesAsync();

            var users = new List<AppUser>()
            {
                new AppUser()
                {
                    AdEmail = "programming@landmarkcu.com",
                    EmployeeId = "programming@landmarkcu.com",
                    FullName = "John McTester",
                    HomeDepartment = "QA",
                    BaseRole = "Tester",
                    Role = Role.Developer,
                }
            };
            var range = new MonthRange
            (
                startDate.Year,
                startDate.Month,
                endDate.Year,
                endDate.Month + 1
            );
            var foundGoals = await _repository.FindPersonnelGoalsByMonthRange(1, users, range);
            Assert.NotNull(foundGoals);
            Assert.IsNotEmpty(foundGoals);
            Assert.AreEqual(2, foundGoals.Count);
            Assert.AreEqual(10, foundGoals.First().Value);
            Assert.AreEqual(11, foundGoals.ElementAt(1).Value);

        }

        [Test]
        public async Task FindDepartmentGoalsByMonthRange()
        {
            var saved = await _repository.GetGoalsAsync(new GoalSearchRequest());
            Assert.NotNull(saved);
            Assert.IsEmpty(saved);

            var startDate = new DateTime(2021, 3, 1);
            var endDate = (new DateTime(2021, 3, 1)).EndOfMonth();

            var goalInRange = new Goal()
            {
                Product = Product.NewChecking,
                Value = 10,
                DepartmentId = 1,
                StartDate = startDate,
                EndDate = endDate
            };

            var goalNotInRange = new Goal()
            {
                Product = Product.ATMCard,
                Value = 2,
                DepartmentId = 1,
                StartDate = startDate.AddMonths(-2),
                EndDate = endDate.AddMonths(-2)
            };

            var goalWithPersonId = new Goal()
            {
                Product = Product.CheckCard,
                Value = 2,
                DepartmentId = 1,
                StartDate = startDate,
                EndDate = endDate,
                EmployeeId = "E1"
            };

            var goalForOtherDepartment = new Goal()
            {
                Product = Product.CreditCard,
                Value = 2,
                DepartmentId = 2,
                StartDate = startDate,
                EndDate = endDate
            };

            var range = new MonthRange(2021, 3, 2021, 4);

            await _repository.SaveGoalAsync(goalInRange);
            await _repository.SaveGoalAsync(goalNotInRange);
            await _repository.SaveGoalAsync(goalWithPersonId);
            await _repository.SaveGoalAsync(goalForOtherDepartment);
            await _context.SaveChangesAsync();

            var found = await _repository.FindDepartmentGoalsByMonthRange(1, range);

            Assert.NotNull(found);
            Assert.IsNotEmpty(found);
            Assert.AreEqual(1, found.Count);
            Assert.AreEqual(10, found.First().Value);
        }
    }
}