using System;
using System.Collections.Generic;
using LCU.API.Collections.RepoApi.Services;
using LCU.Shared.Collections.RepoApiLib.Models;
using LCU.Shared.Collections.RepoApiLib.Repositories;
using Microsoft.Extensions.Logging;
using Moq;
using Xunit;

namespace LCU.API.Collections.RepoApiTests.Services
{
    public class FactoidServiceTest
    {
        private IFactoidService _factoidService;
        private Mock<IReportingRepository> _mockReportingRepository;
        private Mock<IRepoAccountRepository> _mockRepoAccountRepository;
        private Mock<IImsAutoFileDataRepository> _mockImsAutoFileDataRepository;

        public FactoidServiceTest()
        {
            _mockReportingRepository = new Mock<IReportingRepository>();
            _mockRepoAccountRepository = new Mock<IRepoAccountRepository>();
            _mockImsAutoFileDataRepository = new Mock<IImsAutoFileDataRepository>();
            _factoidService = new FactoidService(_mockReportingRepository.Object, _mockRepoAccountRepository.Object,
                _mockImsAutoFileDataRepository.Object);
        }

        [Fact]
        public void Find_Auction_Index()
        {
            // arrange
            var auctionHouses = new List<string>()
            {
                "Gross Active Balance", "a1", "a2", "No Auction"
            };

            // act
            var result = _factoidService.FindAuctionIndex(auctionHouses, "A1");
            var result2 = _factoidService.FindAuctionIndex(auctionHouses, null);
            var result3 = _factoidService.FindAuctionIndex(auctionHouses, "A3");

            // assert
            Assert.Equal(1, result);
            Assert.Equal(3, result2);
            Assert.Equal(3, result3);
        }

        [Fact]
        public async void Get_All_Accounts_O4R_Ok()
        {
            // arrange
            _mockReportingRepository.Setup(x => x.GetAllAccountsInO4R()).ReturnsAsync(new List<RepoAccount>()
            {
                new RepoAccount(),
                new RepoAccount()
            });

            // act
            var result = await _factoidService.GetAllAccountsO4R();

            // assert
            Assert.NotNull(result);
            Assert.Equal("Accounts", result.Name);
            Assert.Equal("Total Accounts in O4R", result.Description);
            Assert.Equal("fa-car", result.FontAwesomeIcon);
            Assert.Equal("2", result.CumulativeValue);
            Assert.Equal(2, result.Records.Count);
        }

        [Fact]
        public async void Get_Percent_Floor_Price_Ok()
        {
            // arrange
            var fakeAutoIms = new List<ImsAutoFileData>()
            {
                new ImsAutoFileData() {GrossPercentFloor = 50, RepoId = 111},
                new ImsAutoFileData() {GrossPercentFloor = 100, RepoId = 111}
            };
            var fakeAccounts = new List<RepoAccount>()
            {
                new RepoAccount(),
                new RepoAccount()
            };
            var highDate = DateTime.Parse("12/31/2019");
            var lowDate = DateTime.Parse("11/01/2019");
            _mockImsAutoFileDataRepository
                .Setup(x => x.GetImsSoldRecordsForPeriod(It.IsAny<DateTime>(), It.IsAny<DateTime>()))
                .ReturnsAsync(fakeAutoIms);

            _mockRepoAccountRepository.Setup(
                    x => x.FindByRepoIdAsync(It.IsAny<List<string>>()))
                .ReturnsAsync(fakeAccounts);

            // act
            var result = await _factoidService.GetPercentFloorPrice(lowDate, highDate);

            // assert
            Assert.NotNull(result);
            Assert.Equal("Percentage of Floor", result.Name);
            Assert.Equal("Last 30 Days", result.Description);
            Assert.Equal("fa-money", result.FontAwesomeIcon);
            Assert.Equal("75%", result.CumulativeValue);
            Assert.Equal(2, result.Records.Count);
        }

        [Fact]
        public async void Get_Recently_Redeemed_Ok()
        {
            // arrange
            var fakeAccounts = new List<RepoAccount>()
            {
                new RepoAccount(),
                new RepoAccount()
            };
            var highDate = DateTime.Parse("12/31/2019");
            var lowDate = DateTime.Parse("11/01/2019");

            _mockRepoAccountRepository.Setup(
                    x => x.FindByStatusChangeInPeriod(It.IsAny<string>(), It.IsAny<DateTime>(), It.IsAny<DateTime>(),
                        It.IsAny<string>()))
                .ReturnsAsync(fakeAccounts);

            // act
            var result = await _factoidService.GetRecentlyRedeemed(lowDate, highDate);

            // assert
            Assert.NotNull(result);
            Assert.Equal("Recently Redeemed", result.Name);
            Assert.Equal("Last 30 Days", result.Description);
            Assert.Equal("fa-calendar", result.FontAwesomeIcon);
            Assert.Equal("2", result.CumulativeValue);
            Assert.Equal(2, result.Records.Count);
        }

        [Fact]
        public async void GetAvgDaysO4RToREPO_Ok()
        {
            // Arrange
            var fakeAccounts = new List<RepoAccount>()
            {
                new RepoAccount()
                {
                    RepoStatusChanges = new List<RepoStatusChange>()
                    {
                        new RepoStatusChange()
                        {
                            StatusFrom = "REHO",
                            StatusTo = "O4R",
                            ChangedDate = DateTime.Parse("10/01/2019")
                        },
                        new RepoStatusChange()
                        {
                            StatusFrom = "O4R",
                            StatusTo = "REPO",
                            ChangedDate = DateTime.Parse("10/21/2019")
                        }
                    }
                },
                new RepoAccount()
                {
                    RepoStatusChanges = new List<RepoStatusChange>()
                    {
                        new RepoStatusChange()
                        {
                            StatusFrom = "REDEEMED",
                            StatusTo = "O4R",
                            ChangedDate = DateTime.Parse("10/15/2019")
                        },
                        new RepoStatusChange()
                        {
                            StatusFrom = "O4R",
                            StatusTo = "REDEEMED",
                            ChangedDate = DateTime.Parse("10/20/2019")
                        },
                        new RepoStatusChange()
                        {
                            StatusFrom = "REDEEMED",
                            StatusTo = "O4R",
                            ChangedDate = DateTime.Parse("10/21/2019")
                        },
                        new RepoStatusChange()
                        {
                            StatusFrom = "REDEEMED",
                            StatusTo = "REPO",
                            ChangedDate = DateTime.Parse("10/31/2019")
                        }
                    }
                }
            };
            var highDate = DateTime.Parse("12/31/2019");
            var lowDate = DateTime.Parse("11/01/2019");

            _mockRepoAccountRepository.Setup(
                    x => x.FindByStatusChangeInPeriod(It.IsAny<string>(), It.IsAny<DateTime>(), It.IsAny<DateTime>(),
                        It.IsAny<string>()))
                .ReturnsAsync(fakeAccounts);

            // act
            var result = await _factoidService.GetAvgDaysO4RToREPO(lowDate, highDate);

            // assert
            Assert.NotNull(result);
            Assert.Equal("Avg. Days O4R to Repo", result.Name);
            Assert.Equal("Last 30 Days", result.Description);
            Assert.Equal("fa-calendar", result.FontAwesomeIcon);
            Assert.Equal("15", result.CumulativeValue);
            Assert.Equal(2, result.Records.Count);
        }

        [Fact]
        public async void GetAvgDaysO4RToREPO_Does_Not_Divide_By_Zero_No_Accounts()
        {
            // Arrange
            var fakeAccounts = new List<RepoAccount>();
            var highDate = DateTime.Parse("12/31/2019");
            var lowDate = DateTime.Parse("11/01/2019");

            _mockRepoAccountRepository.Setup(
                    x => x.FindByStatusChangeInPeriod(It.IsAny<string>(), It.IsAny<DateTime>(), It.IsAny<DateTime>(),
                        It.IsAny<string>()))
                .ReturnsAsync(fakeAccounts);

            // act
            var result = await _factoidService.GetAvgDaysO4RToREPO(lowDate, highDate);

            // assert
            Assert.NotNull(result);
            Assert.Equal("Avg. Days O4R to Repo", result.Name);
            Assert.Equal("Last 30 Days", result.Description);
            Assert.Equal("fa-calendar", result.FontAwesomeIcon);
            Assert.Equal("N/A", result.CumulativeValue);
            Assert.Equal(0, result.Records.Count);
        }

        [Fact]
        public async void GetCurrentInventory_Success()
        {
            // Arrange
            _mockRepoAccountRepository.Setup(repo => repo.FindByCurrentStatus(It.IsAny<string>())).ReturnsAsync(
                new List<RepoAccount>()
                {
                    new RepoAccount()
                    {
                        Collaterals = new List<Collateral>()
                        {
                            new Collateral(),
                            new Collateral()
                        }
                    },
                    new RepoAccount()
                    {
                        Collaterals = new List<Collateral>()
                        {
                            new Collateral()
                        }
                    }
                });

            // Act
            var result = await _factoidService.GetCurrentInventory();

            // Assert
            Assert.NotNull(result);
            Assert.Equal("3", result.CumulativeValue);
            Assert.Equal(2, result.Records.Count);
        }

        [Fact]
        public async void GetAvgDaysDelqToO4R_Success()
        {
            // Arrange
            var fakeAccounts = new List<RepoAccount>()
            {
                new RepoAccount()
                {
                    DaysDelinquent = 125
                },
                new RepoAccount()
                {
                    DaysDelinquent = 25
                },
                new RepoAccount()
            };

            _mockRepoAccountRepository.Setup(
                    x => x.FindByStatusChangeInPeriod(It.IsAny<string>(), It.IsAny<DateTime>(), It.IsAny<DateTime>(),
                        It.IsAny<string>()))
                .ReturnsAsync(fakeAccounts);

            // act
            var result = await _factoidService.GetGetAvgDaysDelqToO4R(It.IsAny<DateTime>(), It.IsAny<DateTime>());

            // assert
            Assert.NotNull(result);
            Assert.Equal("Avg. Days Dlqt To O4R", result.Name);
            Assert.Equal("Last 30 Days", result.Description);
            Assert.Equal("fa-calendar", result.FontAwesomeIcon);
            Assert.Equal("75", result.CumulativeValue);
            Assert.Equal(2, result.Records.Count);
        }

        [Fact]
        public async void GetAvgDaysRepoToSold_Success()
        {
            // Arrange
            var fakeAccounts = new List<RepoAccount>()
            {
                new RepoAccount()
                {
                    RepoStatusChanges = new List<RepoStatusChange>()
                    {
                        new RepoStatusChange()
                        {
                            StatusFrom = "REPO",
                            StatusTo = "SOLD",
                            ChangedDate = DateTime.Parse("10/21/2019")
                        },
                        new RepoStatusChange()
                        {
                            StatusFrom = "O4R",
                            StatusTo = "REPO",
                            ChangedDate = DateTime.Parse("10/01/2019")
                        }
                    }
                },
                new RepoAccount()
                {
                    RepoStatusChanges = new List<RepoStatusChange>()
                    {
                        new RepoStatusChange()
                        {
                            StatusFrom = "REPO",
                            StatusTo = "SOLD",
                            ChangedDate = DateTime.Parse("10/01/2019")
                        },
                        new RepoStatusChange()
                        {
                            StatusFrom = "O4R",
                            StatusTo = "REPO",
                            ChangedDate = DateTime.Parse("09/01/2019")
                        }
                    }
                }
            };

            _mockRepoAccountRepository.Setup(
                    x => x.FindByStatusChangeInPeriod(It.IsAny<string>(), It.IsAny<DateTime>(), It.IsAny<DateTime>(),
                        It.IsAny<string>()))
                .ReturnsAsync(fakeAccounts);

            // act
            var result = await _factoidService.GetGetAvgDaysRepoToSold(It.IsAny<DateTime>(), It.IsAny<DateTime>());

            // assert
            Assert.NotNull(result);
            Assert.Equal("Avg. Days Repo to Sold", result.Name);
            Assert.Equal("Last 30 Days", result.Description);
            Assert.Equal("fa-calendar", result.FontAwesomeIcon);
            Assert.Equal("25", result.CumulativeValue);
            Assert.Equal(2, result.Records.Count);
        }
    }
}