<?php

namespace App\Http\Controllers\Api;

use App\Enums\MediaStatut;
use App\Http\Controllers\Controller;
use App\Http\Resources\Api\MediaListResource;
use App\Http\Resources\Api\MediaPictureResource;
use App\Http\Resources\Api\MediaResource;
use App\Models\Article;
use App\Models\Media;
use Illuminate\Http\Resources\Json\JsonResource;
use Illuminate\Http\Resources\Json\ResourceCollection as JsonResourceCollection;
use Illuminate\Support\Facades\DB;

class MediaController extends Controller
{
    /**
     * Show specific media
     *
     * @param \App\Models\Media $media
     * @return \Illuminate\Http\Resources\Json\JsonResource
     */
    public function show(Media $media): JsonResource
    {
        return new MediaResource($media);
    }

    /**
     * Get Media list of the latest version for each vue type and variant
     * of media that is linked with an article.
     *
     *   Working example
     *      SELECT `mediaList`.`id`,`mediaList`.`arcadia_id`,`mediaList`.`libelle`,`mediaList`.`uid`,
     *      `mediaList`.`version`,`mediaList`.`type_vue_id`,`mediaList`.`variante_id`,`mediaList`.`created_at`,`mediaList`.`updated_at`
     *      FROM (
     *          SELECT `media`.*
     *          from `media`
     *          JOIN `media_article` ON `media_article`.`media_id` =`media`.`id`
     *          JOIN `articles` ON `articles`.`id` =`media_article`.`article_id` AND `articles`.`noArt` = 2842
     *          WHERE
     *          `media`.type_media_id IN (1,5) AND
     *          `media`.isLocked = 0 AND
     *          `media`.statut != 0
     *          ORDER BY `version` DESC
     *          LIMIT 18446744073709551615
     *      ) AS mediaList
     *      GROUP BY `type_vue_id`,`variante_id`
     *
     * @param \App\Models\Article $article
     * @return \Illuminate\Http\Resources\Json\ResourceCollection
     */
    public function getMediaListByArticle(Article $article): JsonResourceCollection
    {
        // ! Hack to allow group by (may have side effects)
        DB::statement("SET SQL_MODE=''");

        /** @var \Illuminate\Database\Eloquent\Collection<\App\Models\Media> */
        $mediaList = Media::cacheForever()->withTrashed()->fromSub(
            Media::query()->whereHas('articles', function ($q) use ($article) {
                $q->where('noArt', $article->noArt);
            })->whereHas('typeMedia', function ($q) {
                $q->whereIn('libelle', ['Photo', 'jpeg']);
            })->where('isLocked', false)
                ->where('statut', '!=', MediaStatut::brouillon)
                ->orderBy('version', 'DESC')
                // ! Maria Hack: use limit to preserve order.
                ->limit(\PHP_INT_MAX),
            'mediaList'
        )->groupBy(['mediaList.type_vue_id', 'mediaList.variante_id'])
        ->paginate();

        return new MediaListResource($mediaList, true);
    }

    /**
     * Get Media picture resource
     *
     * @param \App\Models\Media $media
     * @return \Illuminate\Http\Resources\Json\JsonResource
     */
    public function getMediaPicture(Media $media): JsonResource
    {
        return new MediaPictureResource($media);
    }
}