using Bibblan.Business.Services;
using GraphQL;
using GraphQL.Client.Abstractions;
using Microsoft.AspNetCore.Mvc;

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

    public class Author
    {
        public string Name { 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; }
    }

    [ApiController]
    [Route("api/[controller]")]
    public class BibblanController : ControllerBase
    {
        DatabaseService _db;
        CalibreService _calibre;
        private readonly IGraphQLClient _client;

        public BibblanController(DatabaseService databaseService, CalibreService calibre, IGraphQLClient client)
        {
            _db = databaseService;
            _calibre = calibre;
            _client = client;
        }

        [HttpGet("cover")]
        public IActionResult GetCover(string path)
        {
            //TODO: Bör kanske inte gå direkt mot calibres filer.. 
            var bytes = _calibre.Cover(path);
            if (bytes == null)
                return NotFound();

            return File(bytes, "image/jpeg", true);
        }

        [HttpGet("books")]
        public IActionResult GetBooks(string query = null)
        {
            BookFilter? filter = query != null ? new BookFilter
            {
                Query = query
            } : null;

            var books = _db.GetBooks(100,filter).ToList();
            return Ok(books);
        }

        [HttpGet("books/{id}")]
        public IActionResult GetBook(int id)
        {
            var book = _db.GetBookDetails(id);
            return Ok(book);
        }

        [HttpGet("authors")]
        public IActionResult GetAuthors(string query = null)
        {
            BookFilter? filter = query != null ? new BookFilter
            {
                Query = query
            } : null;

            var authors = _db.GetAuthors(100, filter).ToList();
            return Ok(authors);
        }

        [HttpGet("books/author/{authorid}")]
        public IActionResult GetBooksByAuthor(int authorid)
        {
            var authors = _db.GetBooks(100, new BookFilter
            {
                Author = authorid
            }).ToList();
            return Ok(authors);
        }

        [HttpGet("authorcover/{authorid}")]
        public IActionResult GetAuthorCover(int authorid)
        {
            //TODO: fixa vid tillfälle
            return Ok(new { desc = "picture of banana goes here"});
        }


        [HttpGet("series")]
        public IActionResult GetSeries(string query = null)
        {
            BookFilter? filter = query != null ? new BookFilter
            {
                Query = query
            } : null;

            var series = _db.GetSeries(100, filter).ToList();
            return Ok(series);
        }

        [HttpGet("tags")]
        public IActionResult GetTags(string query = null)
        {
            BookFilter? filter = query != null ? new BookFilter
            {
                Query = query
            } : null;

            var tags = _db.GetTags(filter).ToList();
            return Ok(tags);
        }
        //test
        [HttpGet("lookup")]
        public async Task<IActionResult> HardcoverLookup(string title, string author)
        {
            var query = new GraphQLRequest
            {
                Query = @"
                query SomeNameHere($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 {
                        name
                      }
                    }
                    image {
                      url
                    }
                  }
                }",
                Variables = new
                {
                    title,
                    author
                }
            };
            var response = await _client.SendQueryAsync<EditionsCollectionType>(query);
            return Ok(response.Data.Editions);
        }
    }
}