CREATE OR REPLACE VIEW optimized_week_music AS
SELECT json_build_object(
  'week_artists', (
    SELECT json_agg(a ORDER BY a.plays DESC)
    FROM (
      SELECT * FROM week_artists ORDER BY plays DESC LIMIT 8
    ) a
  ),
  'week_albums', (
    SELECT json_agg(al ORDER BY al.plays DESC)
    FROM (
      SELECT * FROM week_albums ORDER BY plays DESC LIMIT 8
    ) al
  ),
  'week_genres', (
    SELECT json_agg(g ORDER BY g.plays DESC)
    FROM (
      SELECT * FROM week_genres ORDER BY plays DESC LIMIT 5
    ) g
  ),
  'recent_tracks', (
    SELECT json_agg(r ORDER BY r.listened_at DESC)
    FROM (
      SELECT * FROM recent_tracks ORDER BY listened_at DESC LIMIT 10
    ) r
  ),
  'week_summary', (
    SELECT json_build_object(
      'total_tracks', (SELECT COUNT(*) FROM week_tracks),
      'total_artists', (SELECT COUNT(*) FROM week_artists),
      'total_albums', (SELECT COUNT(*) FROM week_albums)
    )
  )
) AS week_music;