using System;
using System.Collections.Generic;
using System.Linq;
using LCU.Shared.Collections.RepoApiLib.Exceptions;
using LCU.Shared.Collections.RepoApiLib.Models;
using LCU.Shared.Collections.RepoApiLib.Persistence;
using LCU.Shared.Collections.RepoApiLib.Repositories;
using Microsoft.AspNetCore.Mvc.ModelBinding;
using Xunit;

namespace LCU.API.Collections.RepoApiTests.Repository
{

    public class EventAlertRepositoryTest : DbContextFromJson
    {
        private Shared.Collections.RepoApiLib.Repositories.EventAlertRepository _repository;
        private readonly AppDbContext _dbContext;
        public EventAlertRepositoryTest()
        {

            _dbContext = GetSqliteContextWithData("event_alert_repository.json");
            _repository = new EventAlertRepository(_dbContext);
        }

        [Fact]
        public async void ListAllAsync_Test()
        {
            var resultsBasic = await _repository.ListAllAsync();
            Assert.NotNull(resultsBasic);
            Assert.NotEmpty(resultsBasic);
            Assert.Equal("Unit Test", resultsBasic.First().CreatedBy);
        }

        [Fact]
        public async void ListUnreadEventsAsync_Test()
        {
            var resultsBasic = await _repository.ListUnreadAsync();
            Assert.NotNull(resultsBasic);
            Assert.NotEmpty(resultsBasic);
            Assert.Equal(1, resultsBasic.Count());
        }

        [Fact]
        public async void ListO4R_No_Company_Test()
        {
            var resultsBasic = await _repository.ListO4rNoCompanyAsync();
            Assert.NotNull(resultsBasic);
            Assert.NotEmpty(resultsBasic);
            Assert.Single(resultsBasic);
        }

        [Fact]
        public async void ListRepo_No_Company_Test()
        {
            var resultsBasic = await _repository.ListRepoNoCompanyAsync();
            Assert.NotNull(resultsBasic);
            Assert.NotEmpty(resultsBasic);
            Assert.Equal(1, resultsBasic.Count());
        }

        [Fact]
        public async void ListRepo_No_Auction_Test()
        {
            var resultsBasic = await _repository.ListRepoNoAuctionAsync();
            Assert.NotNull(resultsBasic);
            // There is 1, but it is closed.
            Assert.Empty(resultsBasic);
        }

        [Fact]
        public async void ListReadyForRetitleAsync_Test()
        {
            var resultsBasic = await _repository.ListAllAsync();
            Assert.NotNull(resultsBasic);
            Assert.NotEmpty(resultsBasic);

            IEnumerable<EventAlert> results = await _repository.ListReadyForRetitleAsync();
            Assert.NotNull(results);
            Assert.NotEmpty(results);
            Assert.Equal(1, results.Count());
        }

        [Fact]
        public async void AddAsync_DoesNotThrowWhenAlertShouldRepeat_Test()
        {
            var alert = new EventAlert
            {
                RepoId = 11688,
                AccountNo = "6829620143",
                Message = "test",
                CreatedBy = "Unit Test",
                DateAdded = DateTime.Parse("2019-06-29T00:00:00")
            };

            await _repository.AddAsync(alert);
            await _dbContext.SaveChangesAsync();
        }
        
        [Fact]
        public async void AddAsync_Invalid_Test()
        {
            var alert = new EventAlert
            {
                RepoId = 11688,
                AccountNo = "6829620143",
                Message = "test",
                CreatedBy = "012345678901234567890123456789",
                DateAdded = DateTime.Parse("2019-06-29T00:00:00")
            };

            await _repository.AddAsync(alert);
            await _dbContext.SaveChangesAsync();
        }

        [Fact]
        public async void AddAsync_ThrowsWhenAlertShouldNotRepeat_Test()
        {
            var alert = new EventAlert()
            {
                RepoId = 11688,
                AccountNo = "6829620143",
                Message = "RTC Letter Not Found",
                CreatedBy = "Unit Test",
                DateAdded = DateTime.Parse("2019-06-29T00:00:00")
            };
            
            await Assert.ThrowsAsync<DuplicateResourceException>(() => _repository.AddAsync(alert));
        }   
        
        [Fact]
        public async void AddAsync_Empty_Test()
        {
           await _repository.AddRangeAsync(new List<EventAlert>());
           await _dbContext.SaveChangesAsync();
        }

        [Theory]
        [InlineData(14883, "9987149147", "test", true)] //This Data Already Exists in event_alert_repository.json
        [InlineData(00001, "0000000001", "test", false)]
        [InlineData(14883, "9987149147", "not test", false)]
        public void IsDuplicateAlert_Ok(int RepoID, string AccountNo, string Message, bool expected)
        {
            var alert = new EventAlert
            {
                RepoId = RepoID,
                AccountNo = AccountNo,
                Message = Message,
                CreatedBy = "Unit Test",
                DateAdded = DateTime.Parse("2019-06-27T00:00:00"),
            };

            Assert.Equal(_repository.IsDuplicateAlert(alert), expected);
        }

        [Fact]
        public void IsDuplicateAlert_NonRepeatingAlerts_OK()
        {
            var alert = new EventAlert
            {
            RepoId = 11688,
            AccountNo = "6829620143",
            Message = "Payment Received",
            CreatedBy = "Unit Test",
            DateAdded = DateTime.Parse("2019-06-27T00:00:00"),
            MarkedReadBy = "tester"
            };

            Assert.False(_repository.IsDuplicateAlert(alert));
        }

        [Fact]
        public async void AddRangeAsync_Ignores_Duplicates_OK()
        {
            List<EventAlert> eventAlerts = new List<EventAlert> {
                new EventAlert
                {
                    RepoId = 11688,
                    AccountNo = "6829620143",
                    Message = "Payment Received",
                    CreatedBy = "Unit Test",
                    DateAdded = DateTime.Parse("2019-06-27T00:00:00"),
                    MarkedReadBy = "tester"
                },
                new EventAlert()
                {
                    RepoId = 1,
                    AccountNo = "6829627143", 
                    CreatedBy = "Unit Test", 
                    Message = "Payment Received",
                    DateAdded = DateTime.Parse("2019-06-27T00:00:00")
                },
                new EventAlert()
                {
                    RepoId = 2,
                    AccountNo = "6829628143", 
                    CreatedBy = "Unit Test", 
                    Message = "Payment Received",
                    DateAdded = DateTime.Parse("2019-06-27T00:00:00")
                },
            };

            var results = await _repository.AddRangeAsync(eventAlerts);
            await _dbContext.SaveChangesAsync();
            Assert.Equal(3,results.Count());
            Assert.True(results.ToList().Exists(x => x.RepoId == 11688));
        }

        [Fact]
        public async void ListUnreadByAccountNoAsync_Ok()
        {
            var results = await _repository.ListUnreadByAccountNoAsync("9987149147");
            Assert.Single(results);
        }
    }    
}