/**
 * Minimal Dailymotion provider handler
 */
const handler = {
  id: 'dm',
  label: 'Dailymotion',
  /**
   * @param {string} q
   * @param {{ limit: number, page?: number, sort?: 'relevance'|'date'|'views' }} opts
   * @returns {Promise<Array<any>>}
   */
  async search(q, opts) {
    const { limit = 10, page = 1, sort = 'relevance' } = opts || {};
    try {
      const response = await fetch(
        `https://api.dailymotion.com/videos?` +
        new URLSearchParams({
          search: q,
          limit: Math.min(limit, 100).toString(),
          page: Math.max(1, Number(page || 1)).toString(),
          // Map our sort to Dailymotion API sort: relevance | visited (views) | recent (date)
          sort: (sort === 'date' ? 'recent' : (sort === 'views' ? 'visited' : 'relevance')),
          // `allow_embed` est indispensable : une vidéo dont le propriétaire a
          // désactivé l'embed répond "Forbidden" dans le player. Propagé tel
          // quel (`embeddable`) pour que le front l'exclue AVANT l'affichage
          // (même garde que le chemin historique `raw.allowEmbed`).
          fields: 'id,title,thumbnail_url,thumbnail_360_url,thumbnail_480_url,thumbnail_720_url,duration,views_total,width,height,allow_embed,owner.id,owner.screenname,owner.avatar_80_url,created_time'
        })
      );

      if (!response.ok) {
        throw new Error(`Dailymotion API error: ${response.status}`);
      }

      const data = await response.json();

      return (data.list || []).map(item => {
        // Dimensions d'origine (signal d'orientation pour isShortItem).
        // Défensif : le champ n'est pas garanti sur toutes les réponses.
        const w = Number(item.width);
        const h = Number(item.height);
        return {
          title: item.title || '',
          id: item.id || '',
          url: `https://www.dailymotion.com/video/${item.id}`,
          thumbnail: item.thumbnail_720_url || item.thumbnail_480_url || item.thumbnail_360_url || item.thumbnail_url || '',
          uploaderName: item['owner.screenname'] || item['owner.username'] || '',
          channelId: item['owner.id'] || item['owner.username'] || undefined,
          uploaderAvatar: item['owner.avatar_80_url'] || '',
          duration: Number(item.duration || 0),
          views: Number(item.views_total || 0),
          uploadedDate: item.created_time ? new Date(item.created_time * 1000).toISOString() : '',
          type: 'video',
          // `false` explicite uniquement : champ absent = on ne sait pas (le
          // doute profite à la vidéo, doctrine « absent = absent »).
          ...(typeof item.allow_embed === 'boolean' ? { embeddable: item.allow_embed } : {}),
          ...(Number.isFinite(w) && w > 0 ? { width: w } : {}),
          ...(Number.isFinite(h) && h > 0 ? { height: h } : {}),
        };
      });
    } catch (error) {
      console.error('Dailymotion search error:', error);
      return [];
    }
  },
  /**
   * Typeahead suggestions for Dailymotion (no native suggest API):
   * reuses search titles, deduped. Step 15 — never throws.
   * @param {string} q
   * @param {{ limit?: number }} [opts]
   * @returns {Promise<string[]>}
   */
  async suggest(q, opts) {
    const limit = Math.min(20, Math.max(1, Number(opts?.limit || 10)));
    const query = String(q || '').trim();
    if (query.length < 2) return [];
    try {
      const items = await handler.search(query, { limit });
      const seen = new Set();
      const out = [];
      for (const it of items || []) {
        const t = String(it?.title || '').trim();
        if (!t || seen.has(t.toLowerCase())) continue;
        seen.add(t.toLowerCase());
        out.push(t);
        if (out.length >= limit) break;
      }
      return out;
    } catch {
      return [];
    }
  }
};
export default handler;