using System;
using System.Configuration;
using System.IO;
using System.Linq;
using System.Reflection;
using Blog.DAL.Infrastructure;
using Blog.DAL.Model;
using Blog.DAL.Repository;
using System.Diagnostics;
using TDD.DbTestHelpers.Yaml;
using TDD.DbTestHelpers.Core;
using NUnit.Framework;

namespace Blog.DAL.Tests
{
    [TestFixture]
    public class RepositoryTests// : DbBaseTest<BlogFixtures>
    {
        [Test]
        public void GetAllPost_OnePostInDb_ReturnTwoPosts()
        {
            // arrange
            var context = new BlogContext();
            context.Database.CreateIfNotExists();
            var repository = new BlogRepository();

            context.Posts.ToList().ForEach(x => context.Posts.Remove(x));
            context.Posts.Add(new Post { Author = "me", Content = "lorem ipsum" });
            context.SaveChanges();

            // act
            var result = repository.GetAllPosts();
            // assert
            Assert.AreEqual(1, result.Count());
        }

        [Test]
        public void AddInvalidPost_TwoPostsInDb_ReturnThreePosts()
        {
            // arrange
            var context = new BlogContext();
            context.Database.CreateIfNotExists();
            var repository = new BlogRepository();

            // act
            Assert.Throws<System.Data.Entity.Validation.DbEntityValidationException>(() => { repository.add(new Post { Author = null, Content = "lorem ipsum" }); });
        }

        [Test]
        public void AddPost_TwoPostsInDb_ReturnThreePosts()
        {
            // arrange
            var context = new BlogContext();
            context.Database.CreateIfNotExists();
            var repository = new BlogRepository();

            // act
            var post = repository.add(new Post { Id = 3, Author = "me", Content = "lorem ipsum" });
            var result = repository.GetAllPosts();

            // assert
            Assert.AreEqual(3, result.Count());
        }


        [Test]
        public void GetComments_TwoPostsInDbWithOneComment_ReturnValidCount()
        {
            // arrange
            var context = new BlogContext();
            context.Database.CreateIfNotExists();
            var repository = new CommentRepository();

            // assert
            Assert.AreEqual(1, repository.GetAllCommentsOf(1).Count());
            Assert.AreEqual(0, repository.GetAllCommentsOf(2).Count());
        }


        [Test]
        public void AddComments_TwoPostsInDbWithOneComment_ReturnValidCount()
        {
            // arrange
            var context = new BlogContext();
            context.Database.CreateIfNotExists();
            var repository = new CommentRepository();

            repository.add(new Comment { PostId = 2, Author = "Test", Content = "Lorem ipsum" });

            // assert
            Assert.AreEqual(1, repository.GetAllCommentsOf(1).Count());
            Assert.AreEqual(1, repository.GetAllCommentsOf(2).Count());
        }
    }
}