using ApiEfCoreLibrary.DTO.Book.Request;
using ApiEfCoreLibrary.DTO.Book.Response;
using Microsoft.EntityFrameworkCore;

namespace ApiEfCoreLibrary.Endpoints.Book;
using FastEndpoints;

public class CreateBookEndpoint(LibraryDbContext database) : Endpoint<CreateBookDto, GetBookDto>
{
    public override void Configure()
    {
        Post("/books");
        AllowAnonymous();
        // Roles("admin");
    }

    public override async Task HandleAsync(CreateBookDto req, CancellationToken ct)
    {
        Models.Author? authorExists = await database.Authors.FirstOrDefaultAsync(a => a.Id == req.AuthorId, ct);
        
        if (authorExists == null)
        {
            await Send.NoContentAsync(ct);
            return;
        }
        
        Models.Book book = new Models.Book()
        {
            Title = req.Title,
            AuthorId = req.AuthorId,
            ReleaseYear = req.ReleaseYear,
            Isbn = req.Isbn
        };
        
        database.Books.Add(book);
        
        await database.SaveChangesAsync(ct);
        // Pour renvoyer une erreur : Send.StringAsync("Le message d'erreur", 400);
        
        GetBookDto responseDto = new()
        {
            Id = book.Id,
            Title = book.Title,
            BookAuthorId = book.AuthorId,
            BookAuthorName = book.Author.Name,
            BookAuthorFirstName = book.Author.FirstName,
            ReleaseYear = book.ReleaseYear,
            Isbn = book.Isbn
        };
        
        await Send.OkAsync(responseDto, ct);
    }
}