using System.Linq;
using System.Threading.Tasks;
using Xunit;
public class EmailTemplateUnitTest
 {
    [Fact]
    public void GetEmailTemplate_Repository_Layer()
    {

        var emailTemplate = new EmailTemplate();
        var context = GetDbContext();
        var result = new EmailTemplateRepository(context).getEmailTemplateByName("forgotpassword");
        var emailTemplateId = result.Result.EmailTemplateId;
        Assert.Equal(1, result.Result.EmailTemplateId);
    }


     public NotificationContext GetDbContext()
     {
        var builder = new DbContextOptionsBuilder<NotificationContext>();
        builder.UseSqlServer("Data Source=solodev.database.windows.net;
        Initial Catalog=DatabaseName;User ID=user; Password=Password");
        var dbContext = new NotificationContext(builder.Options);
        dbContext.Database.EnsureCreated();
        return dbContext;
    }
}

public class EmailTemplateRepository : GenericRepository<EmailTemplate>, IEmailTemplateRepository
{
    private readonly NotificationContext _notificationContext;
    public EmailTemplateRepository(NotificationContext repositoryContext)
    : base(repositoryContext)
    {
        _notificationContext = repositoryContext;
    }
    public async Task<EmailTemplate> getEmailTemplateByName(string Name)
    {
        try
        {
            var templateDate = await FindAsync(e => e.MailFor == Name);
            return templateDate;
        }
        catch (Exception ex)
        {
            throw;
        }

    }
}

public class GenericRepository<T> : IGenericRepository<T> where T : class
{
   protected GenericDataContext _context;
   public virtual async Task<T> FindAsync(Expression<Func<T, bool>> match)
    {
        try
        {
            return await _context.Set<T>().SingleOrDefaultAsync(match);
        }
        catch (Exception ex)
        {

            throw;
        }

    }
}

public class GenericDataContext : DbContext
{
    public GenericDataContext(DbContextOptions<GenericDataContext> options) : base(options) { }

    protected GenericDataContext(DbContextOptions options) : base(options) { }

}

public class EmailTemplateUnitTest
 {

    [Fact]
    public void GetEmailTemplate_Service_Layer_By_Mock()
     {
        var emailTemplate = new EmailTemplate();
        var productRepositoryMock = new Mock<IGenericRepository<EmailTemplate>>();
        var unitOfWorkMock = new Mock<EmailTemplateRepository>(GetDbContext());
        IEmailTemplateService sut = new EmailTemplateService(unitOfWorkMock.Object);

        var actual = sut.getEmailTemplateByName("forgotpassword");
        Assert.NotNull(actual);//assert that a result was returned
        Assert.Equal(1, actual.Result.ResponseInfo.EmailTemplateId);

    }

}