import { load } from 'cheerio';

/**
 * Minimal Rumble provider handler
 */
const handler = {
  id: 'ru',
  label: 'Rumble',
  /**
   * @param {string} q
   * @param {{ limit: number, page?: number }} opts
   * @returns {Promise<Array<any>>}
   */
  async search(q, opts) {
    const { limit = 10, page = 1 } = opts || {};
    try {
      const perPage = Math.min(Math.max(1, Number(limit || 10)), 50);
      const pageNum = Math.max(1, Number(page || 1));
      const params = new URLSearchParams({ q: q });
      if (pageNum > 1) params.set('page', pageNum.toString());

      const response = await fetch(`https://rumble.com/search/video?${params.toString()}` , {
        headers: {
          'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
          'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8'
        }
      });

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

      const html = await response.text();
      const $ = load(html);
      const items = [];

      const parseDurationToSeconds = (raw) => {
        if (raw == null) return undefined;
        const value = String(raw).trim();
        if (!value) return undefined;

        // Plain numeric seconds
        const numeric = Number(value);
        if (Number.isFinite(numeric) && numeric > 0) return Math.floor(numeric);

        // ISO-8601 style: PT#H#M#S
        const isoMatch = value.match(/^PT(?:(\d+)H)?(?:(\d+)M)?(?:(\d+)S)?$/i);
        if (isoMatch) {
          const hours = Number(isoMatch[1] || 0);
          const minutes = Number(isoMatch[2] || 0);
          const seconds = Number(isoMatch[3] || 0);
          const totalIso = (hours * 3600) + (minutes * 60) + seconds;
          if (totalIso > 0) return totalIso;
        }

        // Text formats like "1h 2m 3s" or "15m13s"
        const textMatch = value.match(/^(?:(\d+)\s*h(?:ours?)?)?\s*(?:(\d+)\s*m(?:in(?:utes)?)?)?\s*(?:(\d+)\s*s(?:ec(?:onds)?)?)?$/i);
        if (textMatch && (textMatch[1] || textMatch[2] || textMatch[3])) {
          const hours = Number(textMatch[1] || 0);
          const minutes = Number(textMatch[2] || 0);
          const seconds = Number(textMatch[3] || 0);
          const totalText = (hours * 3600) + (minutes * 60) + seconds;
          if (totalText > 0) return totalText;
        }

        // Colon separated HH:MM:SS or MM:SS
        const colonCandidate = value.replace(/[^0-9:]/g, '');
        if (colonCandidate.includes(':')) {
          const segments = colonCandidate.split(':').filter(Boolean).map(s => Number(s));
          if (segments.length >= 2 && segments.every(n => Number.isFinite(n))) {
            while (segments.length < 3) segments.unshift(0);
            const [hours, minutes, seconds] = segments.slice(-3);
            const totalColon = (hours * 3600) + (minutes * 60) + seconds;
            if (totalColon > 0) return totalColon;
          }
        }

        // Fallback: first integer found, assume seconds if >0
        const fallbackDigits = value.match(/(\d+)/);
        if (fallbackDigits) {
          const seconds = Number(fallbackDigits[1]);
          if (Number.isFinite(seconds) && seconds > 0) return seconds;
        }

        return undefined;
      };

      $('li.video-listing-entry').each((_idx, el) => {
        if (items.length >= perPage) return false;
        const $el = $(el);
        const anchor = ($el.find('a.video-item--a').attr('href') || '').trim();
        if (!anchor) return;

        const img = $el.find('img.video-item--img');
        const rawThumbnail =
          img.attr('data-src') ||
          img.attr('data-original') ||
          img.attr('src') ||
          '';
        const normalizedThumb = rawThumbnail.replace(/\s+/g, '').trim();
        const title = $el.find('h3.video-item--title').text().replace(/\s+/g, ' ').trim();
        const uploaderName = $el.find('.ellipsis-1').text().replace(/\s+/g, ' ').trim();

        const url = anchor.startsWith('http') ? anchor : `https://rumble.com${anchor}`;

        const id =
          $el.attr('data-id') ||
          url.split('/').filter(Boolean).pop() ||
          String(Math.random());

        const thumbnail = normalizedThumb
          ? normalizedThumb.startsWith('//')
            ? `https:${normalizedThumb}`
            : normalizedThumb
          : undefined;

        const durationCandidates = [
          $el.attr('data-duration'),
          $el.attr('data-video-duration'),
          $el.data('duration'),
          $el.find('[data-duration]').attr('data-duration'),
          $el.find('[data-video-duration]').attr('data-video-duration'),
          $el.find('time[datetime]').attr('datetime'),
          $el.find('.video-item--duration, .video-item--meta time, .video-item--meta .duration, .video-item--meta-duration, .video-item--length').first().text(),
        ];

        let durationSeconds;
        for (const candidate of durationCandidates) {
          const parsed = parseDurationToSeconds(candidate);
          if (typeof parsed === 'number' && parsed > 0) {
            durationSeconds = parsed;
            break;
          }
        }

        items.push({
          title: title || url,
          id,
          url,
          thumbnail,
          uploaderName: uploaderName || undefined,
          type: 'video',
          duration: durationSeconds
        });
      });

      return items;
    } catch (error) {
      console.error('Rumble search error:', error);
      return [];
    }
  }
};
export default handler;