using GraphQL;
using GraphQL.Client.Abstractions;
using static Microsoft.EntityFrameworkCore.DbLoggerCategory;

namespace Bibblan.Business.Clients
{
    public class Publisher
    {
        public string Name { get; set; }
    }
    public class Image
    {
        public string Url { get; set; }
    }

    public class Author
    {
        public long Id { get; set; }
        public string Name { get; set; }
        public string Name_Personal { get; set; }
        public Image Image { get; set; }
        public string Bio { get; set; }
        public int Book_Count { get; set; }
        public DateTime? Born_Date { get; set; }
        public DateTime? Death_Date { get; set; }
        public int? Gender_Id{ get; set; }
        public Dictionary<string, List<string>> Identifiers { get; set; }
        public string State { get; set; }
    }


     public class Contributor
    {
        public Author Author { get; set; }
    }

    public class Edition
    {
        public long Id { get; set; }
        public string Title { get; set; }
        public string Edition_Format { get; set; }
        public int? Pages { get; set; }
        public DateTime? Release_Date { get; set; }
        public string Isbn_10 { get; set; }
        public string Isbn_13 { get; set; }
        public Publisher Publisher { get; set; }
        public List<Contributor> Contributions { get; set; }
        public Image Image { get; set; }
    }

    public class EditionsCollectionType
    {
        public List<Edition> Editions { get; set; }
    }

    public class AuthorsCollectionType
    {
        public List<Author> Authors { get; set; }
    }

    public class HardcoverClient
    {
        private readonly IGraphQLClient _client;
        public HardcoverClient(IGraphQLClient client)
        {
            _client = client;
        }


        public async Task<List<Edition>> LookupBook(string title, string? author = null)
        {
            var query = new GraphQLRequest
            {
                Query = @"
                query ($title: String!, $author: String) {
                  editions(
                    where: {title: {_eq: $title}, _and: {contributions: {author: {name: {_eq: $author}}}}}
                  ) {
                    id
                    title
                    edition_format
                    pages
                    release_date
                    isbn_10
                    isbn_13
                    publisher {
                      name
                    }
                    contributions {
                      author {
                        id
                        name
                        name_personal
                        image {
                          url
                        }
                        bio
                        books_count
                        born_date
                        death_date
                        gender_id
                        identifiers
                        state
                      }
                    }
                    image {
                      url
                    }
                  }
                }",
                Variables = new
                {
                    title,
                    author
                }
            };
            var response = await _client.SendQueryAsync<EditionsCollectionType>(query);
            return response.Data.Editions;
        }

        public async Task<List<Author>> LookupAuthor(string name)
        {
            //order_by: {books_count: desc}
            //limit: 1
            var query = new GraphQLRequest
            {
                Query = @"query ($name: String){
                  authors(where: {name: {_eq: $name}}) {
                    id
                    name
                    name_personal
                    image {
                      url
                    }
                    bio
                    books_count
                    born_date
                    death_date
                    gender_id
                    identifiers
                    state
                  }
                }",
                Variables = new
                {
                    name
                }
            };
            var response = await _client.SendQueryAsync<AuthorsCollectionType>(query);
            return response.Data.Authors;
        }

    }
}