using System;
using System.Collections.Generic;
using Xunit;
using System.Linq;
using LCU.Shared.Collections.RepoApiLib.Models;
using LCU.Shared.Collections.RepoApiLib.Repositories;
using LCU.Shared.Collections.RepoApiLib.Persistence;
using Microsoft.EntityFrameworkCore;

namespace LCU.API.Collections.RepoApiTests.Repository
{
    public class ExternalUserRepository : DbContextFromJson
    {
        private readonly AppDbContext _dbContext;

        public ExternalUserRepository()
        {
            _dbContext = SqliteDbContext;
        }
        
        [Fact]
        public async void External_Users_Sync_Ok()
        {
            var repository = new Shared.Collections.RepoApiLib.Repositories.ExternalUserRepository(_dbContext);
            // act
           
            var list = new List<ExternalUser>()
            {
                new ExternalUser()
                {
                    ReferenceId = 100,
                    Code = "gfrick",
                    Name = "George Frick"
                },
                new ExternalUser()
                {
                    ReferenceId = 101,
                    Code = "astiyer",
                    Name = "Alex Stiyer"
                },
                new ExternalUser()
                {
                    ReferenceId = 102,
                    Code = "mfleming",
                    Name = "Mitchel Flemming"
                }
            };
            
            await repository.SynchronizeSet(list);
            await _dbContext.SaveChangesAsync();
            // fake restart the context / transaction
            foreach (var user in list)
            {
                _dbContext.Entry(user).State = EntityState.Detached;
            }

            //assert finds multiple
            var results = await repository.ListAsync();
            Assert.NotNull(results);
            Assert.NotEmpty(results);
            Assert.Equal(3 , results.Count());

            //assert finds one
            var result = await repository.FindByReferenceIdAsync(101);
            Assert.NotNull(result);
            Assert.Equal("astiyer", result.Code);
            
            var list2 = new List<ExternalUser>()
            {
                new ExternalUser()
                {
                    ReferenceId = 100,
                    Code = "gfrick",
                    Name = "George Frick"
                },
                new ExternalUser()
                {
                    ReferenceId = 101,
                    Code = "astiyer",
                    Name = "Alex Stiyer"
                },
                new ExternalUser()
                {
                    ReferenceId = 103,
                    Code = "kutley",
                    Name = "Kyle Utley"
                },
                new ExternalUser()
                {
                    ReferenceId = 102,
                    Code = "mfleming",
                    Name = "Mitchel Flemming"
                }
            };
            
            await repository.SynchronizeSet(list2);
            await _dbContext.SaveChangesAsync();
            
            //assert finds multiple
            results = await repository.ListAsync();
            Assert.NotNull(results);
            Assert.NotEmpty(results);
            Assert.Equal(4 , results.Count());

            //assert finds one
            result = await repository.FindByReferenceIdAsync(103);
            Assert.NotNull(result);
            Assert.Equal("kutley", result.Code);
        }
   
    }
}