using Femto.Api.Controllers.Authors.Dto;
using Femto.Modules.Blog.Domain.Posts.Commands.GetPosts;
using MediatR;
using Microsoft.AspNetCore.Mvc;

namespace Femto.Api.Controllers.Authors;

[ApiController]
[Route("authors")]
public class AuthorsController(IMediator mediator) : ControllerBase
{
    [HttpGet("{username}/posts")]
    public async Task<ActionResult<GetAuthorPostsResponse>> GetAuthorPosts(
        string username,
        [FromQuery] GetAuthorPostsSearchParams searchParams,
        CancellationToken cancellationToken
    )
    {
        var res = await mediator.Send(
            new GetPostsQuery
            {
                Username = username,
                Amount = searchParams.Amount ?? 20,
                From = searchParams.From,
            },
            cancellationToken
        );

        return new GetAuthorPostsResponse(
            res.Posts.Select(p => new AuthorPostDto(
                p.PostId,
                p.Text,
                p.Media.Select(m => m.Url),
                p.CreatedAt,
                new AuthoPostAuthorDto(p.Author.AuthorId, p.Author.Username)
            )),
            res.Next
        );
    }
}