using Raven.Client.Documents;

using Raven.Client.Documents.Indexes;

using System.Collections.Generic;

using System.Linq;

using System.Threading;

using System.Threading.Tasks;

using FastTests;

using Xunit;



namespace SlowTests.Issues

{

    public class RavenDB_9104 : RavenTestBase

    {

        public class BlogPost

        {

            public string Id { get; set; }



            public string Title { get; set; }



            public string Username { get; set; }



            public string Post { get; set; }



            public List<string> BlogComments { get; set; }

        }



        public class BlogComment

        {

            public string Id { get; set; }



            public string Username { get; set; }



            public string Comment { get; set; }



            public string BlogCommentRatingId { get; set; }

        }



        public class BlogCommentRating

        {

            public string Id { get; set; }



            public decimal Rating { get; set; }

        }



        public class BlogPostAll

            : AbstractMultiMapIndexCreationTask<BlogPostAll.Mapping>

        {

            public class Mapping

            {

                public string Id { get; set; }



                public string Title { get; set; }



                public string Username { get; set; }



                public IEnumerable<string> Comments { get; set; }

            }



            public BlogPostAll()

            {

                AddMap<BlogPost>(results =>

                    from result in results

                    let blogComments = LoadDocument<BlogComment>(result.BlogComments)

                    select new Mapping

                    {

                        Id = result.Id,

                        Username = result.Username,

                        Title = result.Title,

                        Comments = blogComments.Select(a => a.Comment)

                    });

            }

        }



        public class BlogPostWithAverageRatingAll

            : AbstractMultiMapIndexCreationTask<BlogPostAll.Mapping>

        {

            public class Mapping

            {

                public string Id { get; set; }



                public string Title { get; set; }



                public string Username { get; set; }



                public IEnumerable<string> Comments { get; set; }



                public decimal AverageRating { get; set; }

            }



            public BlogPostWithAverageRatingAll()

            {

                AddMap<BlogPost>(results =>

                    from result in results

                    let blogComments = LoadDocument<BlogComment>(result.BlogComments)

                    let blogCommentRatings = LoadDocument<BlogCommentRating>(blogComments.Select(a => a.BlogCommentRatingId)) 

                        ?? new[] { new BlogCommentRating { Rating = 0}}

                    select new Mapping

                    {

                        Id = result.Id,

                        Username = result.Username,

                        Title = result.Title,

                        Comments = blogComments.Select(a => a.Comment),

                        AverageRating = blogCommentRatings.Average(a => a.Rating)

                    });

            }

        }



        [Fact]

        public async Task NullListAsync()

        {

            using (var store = GetDocumentStore())

            {

                await store.ExecuteIndexAsync(new BlogPostAll());



                using (var session = store.OpenAsyncSession())

                {

                    for (var i = 0; i < 5; i++)

                    {

                        await session.StoreAsync(new BlogPost

                        {

                            Title = "Lorem Ipsum " + i,

                            Username = "Anonymous",

                            Post = "Lorem Ipsum is simply dummy text of the printing and typesetting industry. " +

                            "Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. " +

                            "It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. " +

                            "It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum."

                        }, "BlogPosts/" + i);

                    }



                    await session.SaveChangesAsync();



                    var query = await session.Query<BlogPostAll.Mapping, BlogPostAll>()

                        .Customize(x=>x.WaitForNonStaleResults())

                        .As<BlogPost>()

                        .ToListAsync();



                    Assert.Equal(5, query.Count);

                }

            }

        }



        [Fact]

        public async Task EmptyListAsync()

        {

            using (var store = GetDocumentStore())

            {

                await store.ExecuteIndexAsync(new BlogPostAll());



                using (var session = store.OpenAsyncSession())

                {

                    for (var i = 0; i < 5; i++)

                    {

                        await session.StoreAsync(new BlogPost

                        {

                            Title = "Lorem Ipsum " + i,

                            Username = "Anonymous",

                            BlogComments = new List<string>(),

                            Post = "Lorem Ipsum is simply dummy text of the printing and typesetting industry. " +

                            "Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. " +

                            "It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. " +

                            "It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum."

                        }, "BlogPosts/" + i);

                    }



                    await session.SaveChangesAsync();



                    



                    var query = await session.Query<BlogPostAll.Mapping, BlogPostAll>()

                        .Customize(x => x.WaitForNonStaleResults())

                        .As<BlogPost>()

                        .ToListAsync();



                    Assert.Equal(5, query.Count);

                }

            }

        }



        [Fact]

        public async Task ListContainingNullAsync()

        {

            using (var store = GetDocumentStore())

            {

                await store.ExecuteIndexAsync(new BlogPostAll());



                using (var session = store.OpenAsyncSession())

                {

                    for (var i = 0; i < 5; i++)

                    {

                        await session.StoreAsync(new BlogPost

                        {

                            Title = "Lorem Ipsum " + i,

                            Username = "Anonymous",

                            BlogComments = new List<string>()

                            {

                                null

                            },



                            Post = "Lorem Ipsum is simply dummy text of the printing and typesetting industry. " +

                            "Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. " +

                            "It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. " +

                            "It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum."

                        }, "BlogPosts/" + i);

                    }



                    await session.SaveChangesAsync();



                    

                    var query = await session.Query<BlogPostAll.Mapping, BlogPostAll>()

                        .Customize(x => x.WaitForNonStaleResults())

                        .As<BlogPost>()

                        .ToListAsync();



                    Assert.Equal(5, query.Count);

                }

            }

        }



        [Fact]

        public async Task ListWithRatingAsync()

        {

            using (var store = GetDocumentStore())

            {

                await store.ExecuteIndexAsync(new BlogPostWithAverageRatingAll());



                using (var session = store.OpenAsyncSession())

                {

                    var rating = new BlogCommentRating()

                    {

                        Rating = 4

                    };



                    await session.StoreAsync(rating, "BlogCommentRating/" + 1);



                    for (var i = 0; i < 5; i++)

                    {

                        await session.StoreAsync(new BlogComment

                        {

                            Username = "Anonymous",

                            BlogCommentRatingId = "BlogCommentRating/" + 1,

                            Comment = "Lorem Ipsum is simply dummy text of the printing and typesetting industry. " +

                            "Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. " +

                            "It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. " +

                            "It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum."

                        }, "BlogComments/" + i);

                    }



                    for (var i = 0; i < 5; i++)

                    {

                        await session.StoreAsync(new BlogPost

                        {

                            Title = "Lorem Ipsum " + i,

                            Username = "Anonymous",

                            BlogComments = new List<string>()

                            {

                                "BlogComments/" + i,

                            },

                            Post = "Lorem Ipsum is simply dummy text of the printing and typesetting industry. " +

                            "Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. " +

                            "It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. " +

                            "It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum."

                        }, "BlogPosts/" + i);

                    }



                    await session.SaveChangesAsync();



                    

                    var query = await session.Query<BlogPostWithAverageRatingAll.Mapping, BlogPostWithAverageRatingAll>()

                        .Customize(x => x.WaitForNonStaleResults())

                        .As<BlogPost>()

                        .ToListAsync();



                    Assert.Equal(5, query.Count);

                }

            }

        }



        [Fact]

        public async Task ListWithRatingNullAsync()

        {

            using (var store = GetDocumentStore())

            {

                await store.ExecuteIndexAsync(new BlogPostWithAverageRatingAll());



                using (var session = store.OpenAsyncSession())

                {

                    for (var i = 0; i < 5; i++)

                    {

                        await session.StoreAsync(new BlogPost

                        {

                            Title = "Lorem Ipsum " + i,

                            Username = "Anonymous",

                            BlogComments = null,

                            Post = "Lorem Ipsum is simply dummy text of the printing and typesetting industry. " +

                            "Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. " +

                            "It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. " +

                            "It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum."

                        }, "BlogPosts/" + i);

                    }



                    await session.SaveChangesAsync();

                    

                    var query = await session.Query<BlogPostWithAverageRatingAll.Mapping, BlogPostWithAverageRatingAll>()

                        .Customize(x=>x.WaitForNonStaleResults())

                        .As<BlogPost>()

                        .ToListAsync();



                    Assert.Equal(5, query.Count);

                }

            }

        }

    }

}