// src/controllers/media.controller.js
const { getPageConnection } = require('../services/tokenStore.service');
const { getIGMedia, getMediaDetails } = require('../services/media.service');

/**
 * GET /api/social/media
 * Get Instagram media posts for connected account
 * Query params: limit (default 50), after (pagination cursor)
 */
async function listMedia(req, res) {
  console.log('📸 Media list endpoint hit');
  const userId =req.query.userId
  const { limit = 50, after } = req.query;

  try {
    const { pageToken, igUserId } = await getPageConnection(userId);
    
    if (!pageToken || !igUserId) {
      return res.status(400).json({ error: 'Connect a channel first' });
    }

    const media = await getIGMedia(igUserId, pageToken, parseInt(limit), after);
    console.log(`✅ Fetched ${media.data.length} media items`);
    
    return res.json({
      data: media.data,
      paging: media.paging,
      count: media.data.length
    });
  } catch (error) {
    console.error('💥 Media list error:', error.message);
    return res.status(500).json({ 
      error: error.message,
      details: error.response?.data 
    });
  }
}

/**
 * GET /api/social/media/:mediaId
 * Get details of a specific media post
 */
async function getMedia(req, res) {
  console.log('📸 Single media endpoint hit');
  const userId =req.query.userId
  const { mediaId } = req.params;

  if (!mediaId) {
    return res.status(400).json({ error: 'mediaId parameter required' });
  }

  try {
    const { pageToken, igUserId } = await getPageConnection(userId);
    
    if (!pageToken || !igUserId) {
      return res.status(400).json({ error: 'Connect a channel first' });
    }

    const media = await getMediaDetails(mediaId, pageToken);
    console.log('✅ Media details fetched');
    
    return res.json(media);
  } catch (error) {
    console.error('💥 Media details error:', error.message);
    return res.status(500).json({ 
      error: error.message,
      details: error.response?.data 
    });
  }
}

module.exports = { 
  listMedia,
  getMedia
};