-- name: GetLibrarySettings :one
SELECT * FROM library_settings WHERE id = true;

-- name: UpdateLibraryScanPaths :one
UPDATE library_settings
   SET scan_paths = sqlc.arg(scan_paths)::text[],
       updated_at = now()
 WHERE id = true
RETURNING *;

-- A library folder that moved (#6129): every path under old_root is rewritten
-- to the same place under new_root, so the tracks keep their ids and with them
-- their plays, likes and playlists. updated_at is left alone on purpose: the
-- scan compares it with each file's mtime, and the files have not changed.

-- name: RerootTrackPaths :execrows
UPDATE tracks
   SET file_path = sqlc.arg(new_root)::text || substr(file_path, length(sqlc.arg(old_root)::text) + 1)
 WHERE starts_with(file_path, sqlc.arg(old_root)::text || '/');

-- name: RerootAlbumCoverPaths :execrows
UPDATE albums
   SET cover_art_path = sqlc.arg(new_root)::text || substr(cover_art_path, length(sqlc.arg(old_root)::text) + 1)
 WHERE starts_with(cover_art_path, sqlc.arg(old_root)::text || '/');

-- name: RerootGrabDestinations :execrows
UPDATE grabs
   SET destination = sqlc.arg(new_root)::text || substr(destination, length(sqlc.arg(old_root)::text) + 1)
 WHERE destination = sqlc.arg(old_root)::text
    OR starts_with(destination, sqlc.arg(old_root)::text || '/');

-- name: RerootImportRoot :execrows
UPDATE acquisition_settings
   SET import_root = sqlc.arg(new_root)::text
 WHERE import_root = sqlc.arg(old_root)::text;

-- name: SampleTrackPathsUnder :many
-- A few present tracks under a folder, to check a move before rewriting it.
SELECT file_path FROM tracks
 WHERE starts_with(file_path, sqlc.arg(root)::text || '/') AND missing_since IS NULL
 ORDER BY random()
 LIMIT sqlc.arg(n)::int;

-- name: CountTracksUnder :one
SELECT count(*) FROM tracks WHERE starts_with(file_path, sqlc.arg(root)::text || '/');