-- name: InsertListen :exec
INSERT INTO listens (track_id, listened_at, user_id, client)
VALUES ($1, $2, $3, $4)
ON CONFLICT DO NOTHING;

-- name: GetLastListensPaginated :many
SELECT 
  l.*,
  t.title AS track_title,
  t.release_id AS release_id,
  (
    SELECT json_agg(json_build_object('id', a.id, 'name', a.name))
    FROM artist_tracks at
    JOIN artists_with_name a ON a.id = at.artist_id
    WHERE at.track_id = t.id
  ) AS artists
FROM listens l
JOIN tracks_with_title t ON l.track_id = t.id
WHERE l.listened_at BETWEEN $1 AND $2
ORDER BY l.listened_at DESC
LIMIT $3 OFFSET $4;

-- name: GetLastListensFromArtistPaginated :many
SELECT 
  l.*,
  t.title AS track_title,
  t.release_id AS release_id,
  (
    SELECT json_agg(json_build_object('id', a.id, 'name', a.name))
    FROM artist_tracks at
    JOIN artists_with_name a ON a.id = at.artist_id
    WHERE at.track_id = t.id
  ) AS artists
FROM listens l
JOIN tracks_with_title t ON l.track_id = t.id
JOIN artist_tracks at ON t.id = at.track_id 
WHERE at.artist_id = $5
  AND l.listened_at BETWEEN $1 AND $2
ORDER BY l.listened_at DESC
LIMIT $3 OFFSET $4;

-- name: GetLastListensFromReleasePaginated :many
SELECT 
  l.*,
  t.title AS track_title,
  t.release_id AS release_id,
  (
    SELECT json_agg(json_build_object('id', a.id, 'name', a.name))
    FROM artist_tracks at
    JOIN artists_with_name a ON a.id = at.artist_id
    WHERE at.track_id = t.id
  ) AS artists
FROM listens l
JOIN tracks_with_title t ON l.track_id = t.id
WHERE l.listened_at BETWEEN $1 AND $2
  AND t.release_id = $5
ORDER BY l.listened_at DESC
LIMIT $3 OFFSET $4;

-- name: GetLastListensFromTrackPaginated :many
SELECT 
  l.*,
  t.title AS track_title,
  t.release_id AS release_id,
  (
    SELECT json_agg(json_build_object('id', a.id, 'name', a.name))
    FROM artist_tracks at
    JOIN artists_with_name a ON a.id = at.artist_id
    WHERE at.track_id = t.id
  ) AS artists
FROM listens l
JOIN tracks_with_title t ON l.track_id = t.id
WHERE l.listened_at BETWEEN $1 AND $2
  AND t.id = $5
ORDER BY l.listened_at DESC
LIMIT $3 OFFSET $4;

-- name: CountListens :one
SELECT COUNT(*) AS total_count
FROM listens l
WHERE l.listened_at BETWEEN $1 AND $2;

-- name: CountListensFromTrack :one
SELECT COUNT(*) AS total_count
FROM listens l
WHERE l.listened_at BETWEEN $1 AND $2
  AND l.track_id = $3;

-- name: CountListensFromArtist :one
SELECT COUNT(*) AS total_count
FROM listens l
JOIN artist_tracks at ON l.track_id = at.track_id
WHERE l.listened_at BETWEEN $1 AND $2
  AND at.artist_id = $3;

-- name: CountListensFromRelease :one
SELECT COUNT(*) AS total_count
FROM listens l
JOIN tracks t ON l.track_id = t.id
WHERE l.listened_at BETWEEN $1 AND $2
  AND t.release_id = $3;

-- name: CountTimeListened :one
SELECT COALESCE(SUM(t.duration), 0)::BIGINT AS seconds_listened
FROM listens l
JOIN tracks t ON l.track_id = t.id
WHERE l.listened_at BETWEEN $1 AND $2;

-- name: CountTimeListenedToArtist :one
SELECT COALESCE(SUM(t.duration), 0)::BIGINT AS seconds_listened
FROM listens l
JOIN tracks t ON l.track_id = t.id
JOIN artist_tracks at ON t.id = at.track_id
WHERE l.listened_at BETWEEN $1 AND $2
  AND at.artist_id = $3;

-- name: CountTimeListenedToRelease :one
SELECT COALESCE(SUM(t.duration), 0)::BIGINT AS seconds_listened
FROM listens l
JOIN tracks t ON l.track_id = t.id
WHERE l.listened_at BETWEEN $1 AND $2
  AND t.release_id = $3;

-- name: CountTimeListenedToTrack :one
SELECT COALESCE(SUM(t.duration), 0)::BIGINT AS seconds_listened
FROM listens l
JOIN tracks t ON l.track_id = t.id
WHERE l.listened_at BETWEEN $1 AND $2
  AND t.id = $3;

-- name: ListenActivity :many
WITH buckets AS (
  SELECT generate_series($1::timestamptz, $2::timestamptz, $3::interval) AS bucket_start
),
bucketed_listens AS (
  SELECT
    b.bucket_start,
    COUNT(l.listened_at) AS listen_count
  FROM buckets b
  LEFT JOIN listens l
    ON l.listened_at >= b.bucket_start
    AND l.listened_at < b.bucket_start + $3::interval
  GROUP BY b.bucket_start
  ORDER BY b.bucket_start
)
SELECT * FROM bucketed_listens;

-- name: ListenActivityForArtist :many
WITH buckets AS (
  SELECT generate_series($1::timestamptz, $2::timestamptz, $3::interval) AS bucket_start
),
filtered_listens AS (
  SELECT l.*
  FROM listens l
  JOIN artist_tracks t ON l.track_id = t.track_id
  WHERE t.artist_id = $4
),
bucketed_listens AS (
  SELECT
    b.bucket_start,
    COUNT(l.listened_at) AS listen_count
  FROM buckets b
  LEFT JOIN filtered_listens l
    ON l.listened_at >= b.bucket_start
    AND l.listened_at < b.bucket_start + $3::interval
  GROUP BY b.bucket_start
  ORDER BY b.bucket_start
)
SELECT * FROM bucketed_listens;

-- name: ListenActivityForRelease :many
WITH buckets AS (
  SELECT generate_series($1::timestamptz, $2::timestamptz, $3::interval) AS bucket_start
),
filtered_listens AS (
  SELECT l.*
  FROM listens l
  JOIN tracks t ON l.track_id = t.id
  WHERE t.release_id = $4
),
bucketed_listens AS (
  SELECT
    b.bucket_start,
    COUNT(l.listened_at) AS listen_count
  FROM buckets b
  LEFT JOIN filtered_listens l
    ON l.listened_at >= b.bucket_start
    AND l.listened_at < b.bucket_start + $3::interval
  GROUP BY b.bucket_start
  ORDER BY b.bucket_start
)
SELECT * FROM bucketed_listens;

-- name: ListenActivityForTrack :many
WITH buckets AS (
  SELECT generate_series($1::timestamptz, $2::timestamptz, $3::interval) AS bucket_start
),
filtered_listens AS (
  SELECT l.*
  FROM listens l
  JOIN tracks t ON l.track_id = t.id
  WHERE t.id = $4
),
bucketed_listens AS (
  SELECT
    b.bucket_start,
    COUNT(l.listened_at) AS listen_count
  FROM buckets b
  LEFT JOIN filtered_listens l
    ON l.listened_at >= b.bucket_start
    AND l.listened_at < b.bucket_start + $3::interval
  GROUP BY b.bucket_start
  ORDER BY b.bucket_start
)
SELECT * FROM bucketed_listens;

-- name: UpdateTrackIdForListens :exec
UPDATE listens SET track_id = $2
WHERE track_id = $1;

-- name: DeleteListen :exec
DELETE FROM listens WHERE track_id = $1 AND listened_at = $2;