using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;

using PrivaPub.Api.Mastodon.Entities;
using PrivaPub.Api.Mastodon.Infrastructure;
using PrivaPub.Domain.Content;

namespace PrivaPub.Api.Mastodon.Controllers
{
	// Mastodon's list of the server's custom emoji (completion program R7), for clients' pickers: as Mastodon lists them,
	// those offered (not disabled) and shown in the picker, by shortcode. Read from LocalEmojis, the copy in memory that every
	// change reloads at once (and that is read again when five minutes old), so no request reads the database.
	public class CustomEmojisController : MastodonController
	{
		[HttpGet("/api/v1/custom_emojis"), AllowAnonymous]
		public IActionResult List() => Json(LocalEmojis.Current.Values
			.Where(e => e.VisibleInPicker)
			.OrderBy(e => e.Shortcode, StringComparer.Ordinal)
			.Select(e => new CustomEmojiEntity { Shortcode = e.Shortcode, Url = e.Url, StaticUrl = e.StaticUrl, VisibleInPicker = true, Category = e.Category })
			.ToList());
	}
}