/**
 * Global Profile Plugin - Stats Routes
 *
 * Handles statistics API endpoints
 */

const sdk = require('../../../includes/plugins/sdk');
const { getAllProfilesFromDB } = require('../database');

/**
 * Handle stats-related routes
 */
async function handleStatsRoutes(req, res, path, query, method) {
  // GET /api/stats - Get profile statistics
  if (path === 'api/stats' && method === 'GET') {
    try {
      const allProfiles = await getAllProfilesFromDB();
      const onlinePeerIds = sdk.state.peerIds || [];

      // Count online/offline profiles
      let onlineCount = 0;
      let offlineCount = 0;
      const recentActivity = [];

      for (const profile of allProfiles) {
        const isOnline = onlinePeerIds.includes(profile.peerId);
        if (isOnline) {
          onlineCount++;
        } else {
          offlineCount++;
        }

        // Track recent activity (last 24 hours)
        if (profile.lastUpdated) {
          const hoursAgo = (Date.now() - profile.lastUpdated) / (1000 * 60 * 60);
          if (hoursAgo <= 24) {
            recentActivity.push({
              peerId: profile.peerId,
              displayName: profile.displayName || 'Unknown',
              hoursAgo: Math.round(hoursAgo * 10) / 10
            });
          }
        }
      }

      // Sort recent activity by most recent
      recentActivity.sort((a, b) => {
        const aProfile = allProfiles.find(p => p.peerId === a.peerId);
        const bProfile = allProfiles.find(p => p.peerId === b.peerId);
        return (bProfile?.lastUpdated || 0) - (aProfile?.lastUpdated || 0);
      });

      return sdk.router.json(res, {
        total: allProfiles.length,
        online: onlineCount,
        offline: offlineCount,
        recentActivity: recentActivity.slice(0, 10), // Top 10 most recent
        timestamp: Date.now()
      });
    } catch (err) {
      sdk.log.error('global.profile', `Error getting stats: ${err.message}`);
      return sdk.router.error(res, err.message, 500);
    }
  }

  return false; // Not handled by this module
}

module.exports = {
  handleStatsRoutes
};