// Code generated by sqlc. DO NOT EDIT.
// versions:
//   sqlc v1.31.1
// source: artists.sql

package dbq

import (
	"context"

	"github.com/jackc/pgx/v5/pgtype"
)

const countArtists = `-- name: CountArtists :one
SELECT COUNT(*) FROM artists
`

func (q *Queries) CountArtists(ctx context.Context) (int64, error) {
	row := q.db.QueryRow(ctx, countArtists)
	var count int64
	err := row.Scan(&count)
	return count, err
}

const countArtistsMatching = `-- name: CountArtistsMatching :one
SELECT COUNT(*) FROM artists WHERE name ILIKE '%' || $1::text || '%'
`

func (q *Queries) CountArtistsMatching(ctx context.Context, dollar_1 string) (int64, error) {
	row := q.db.QueryRow(ctx, countArtistsMatching, dollar_1)
	var count int64
	err := row.Scan(&count)
	return count, err
}

const deleteArtistIfEmpty = `-- name: DeleteArtistIfEmpty :one
DELETE FROM artists a
WHERE a.id = $1
  AND NOT EXISTS (SELECT 1 FROM albums al WHERE al.artist_id = a.id)
  AND NOT EXISTS (SELECT 1 FROM tracks t WHERE t.artist_id = a.id)
RETURNING a.id
`

// M7 #372: deletes the artist row only when it has no remaining albums
// AND no remaining tracks (defensive — tracks can in principle exist
// without an album, though the scanner doesn't write that shape today).
func (q *Queries) DeleteArtistIfEmpty(ctx context.Context, id pgtype.UUID) (pgtype.UUID, error) {
	row := q.db.QueryRow(ctx, deleteArtistIfEmpty, id)
	var id_2 pgtype.UUID
	err := row.Scan(&id_2)
	return id_2, err
}

const getArtistByID = `-- name: GetArtistByID :one
SELECT id, name, sort_name, mbid, created_at, updated_at FROM artists WHERE id = $1
`

func (q *Queries) GetArtistByID(ctx context.Context, id pgtype.UUID) (Artist, error) {
	row := q.db.QueryRow(ctx, getArtistByID, id)
	var i Artist
	err := row.Scan(
		&i.ID,
		&i.Name,
		&i.SortName,
		&i.Mbid,
		&i.CreatedAt,
		&i.UpdatedAt,
	)
	return i, err
}

const getArtistByName = `-- name: GetArtistByName :one
SELECT id, name, sort_name, mbid, created_at, updated_at FROM artists WHERE name = $1 LIMIT 1
`

func (q *Queries) GetArtistByName(ctx context.Context, name string) (Artist, error) {
	row := q.db.QueryRow(ctx, getArtistByName, name)
	var i Artist
	err := row.Scan(
		&i.ID,
		&i.Name,
		&i.SortName,
		&i.Mbid,
		&i.CreatedAt,
		&i.UpdatedAt,
	)
	return i, err
}

const getArtistsByIDs = `-- name: GetArtistsByIDs :many
SELECT id, name, sort_name, mbid, created_at, updated_at FROM artists WHERE id = ANY($1::uuid[])
`

// Batched lookup used by M5c suggestion attribution to resolve top-3
// contributing seed UUIDs back to artist names in one round-trip.
func (q *Queries) GetArtistsByIDs(ctx context.Context, dollar_1 []pgtype.UUID) ([]Artist, error) {
	rows, err := q.db.Query(ctx, getArtistsByIDs, dollar_1)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []Artist
	for rows.Next() {
		var i Artist
		if err := rows.Scan(
			&i.ID,
			&i.Name,
			&i.SortName,
			&i.Mbid,
			&i.CreatedAt,
			&i.UpdatedAt,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const listArtists = `-- name: ListArtists :many
SELECT id, name, sort_name, mbid, created_at, updated_at FROM artists ORDER BY sort_name
`

func (q *Queries) ListArtists(ctx context.Context) ([]Artist, error) {
	rows, err := q.db.Query(ctx, listArtists)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []Artist
	for rows.Next() {
		var i Artist
		if err := rows.Scan(
			&i.ID,
			&i.Name,
			&i.SortName,
			&i.Mbid,
			&i.CreatedAt,
			&i.UpdatedAt,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const listArtistsAlpha = `-- name: ListArtistsAlpha :many
SELECT id, name, sort_name, mbid, created_at, updated_at FROM artists ORDER BY sort_name, name, id LIMIT $1 OFFSET $2
`

type ListArtistsAlphaParams struct {
	Limit  int32
	Offset int32
}

func (q *Queries) ListArtistsAlpha(ctx context.Context, arg ListArtistsAlphaParams) ([]Artist, error) {
	rows, err := q.db.Query(ctx, listArtistsAlpha, arg.Limit, arg.Offset)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []Artist
	for rows.Next() {
		var i Artist
		if err := rows.Scan(
			&i.ID,
			&i.Name,
			&i.SortName,
			&i.Mbid,
			&i.CreatedAt,
			&i.UpdatedAt,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const listArtistsAlphaWithCovers = `-- name: ListArtistsAlphaWithCovers :many
SELECT artists.id, artists.name, artists.sort_name, artists.mbid, artists.created_at, artists.updated_at,
       cov.id AS cover_album_id,
       cnt.album_count::bigint AS album_count
FROM artists
LEFT JOIN LATERAL (
    SELECT id FROM albums
    WHERE artist_id = artists.id AND cover_art_path IS NOT NULL
    ORDER BY created_at DESC LIMIT 1
) cov ON true
LEFT JOIN LATERAL (
    SELECT count(*) AS album_count
    FROM albums WHERE artist_id = artists.id
) cnt ON true
ORDER BY artists.sort_name, artists.name, artists.id
LIMIT $1 OFFSET $2
`

type ListArtistsAlphaWithCoversParams struct {
	Limit  int32
	Offset int32
}

type ListArtistsAlphaWithCoversRow struct {
	Artist       Artist
	CoverAlbumID pgtype.UUID
	AlbumCount   int64
}

// M6a: alpha-sorted artist list with derived cover_album_id (most-recent
// album whose cover_art_path is set). Replaces ListArtistsAlpha for the
// /api/artists?sort=alpha branch — the new column is appended, so the
// alpha branch is purely additive on the wire. album_count is computed
// in the same query to drop the old N+1 in handleListArtists.
func (q *Queries) ListArtistsAlphaWithCovers(ctx context.Context, arg ListArtistsAlphaWithCoversParams) ([]ListArtistsAlphaWithCoversRow, error) {
	rows, err := q.db.Query(ctx, listArtistsAlphaWithCovers, arg.Limit, arg.Offset)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []ListArtistsAlphaWithCoversRow
	for rows.Next() {
		var i ListArtistsAlphaWithCoversRow
		if err := rows.Scan(
			&i.Artist.ID,
			&i.Artist.Name,
			&i.Artist.SortName,
			&i.Artist.Mbid,
			&i.Artist.CreatedAt,
			&i.Artist.UpdatedAt,
			&i.CoverAlbumID,
			&i.AlbumCount,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const listArtistsNewest = `-- name: ListArtistsNewest :many
SELECT id, name, sort_name, mbid, created_at, updated_at FROM artists ORDER BY created_at DESC, id DESC LIMIT $1 OFFSET $2
`

type ListArtistsNewestParams struct {
	Limit  int32
	Offset int32
}

// Secondary id tiebreaker keeps pagination stable when created_at ties.
func (q *Queries) ListArtistsNewest(ctx context.Context, arg ListArtistsNewestParams) ([]Artist, error) {
	rows, err := q.db.Query(ctx, listArtistsNewest, arg.Limit, arg.Offset)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []Artist
	for rows.Next() {
		var i Artist
		if err := rows.Scan(
			&i.ID,
			&i.Name,
			&i.SortName,
			&i.Mbid,
			&i.CreatedAt,
			&i.UpdatedAt,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const searchArtists = `-- name: SearchArtists :many
SELECT id, name, sort_name, mbid, created_at, updated_at FROM artists
WHERE name ILIKE '%' || $1 || '%'
ORDER BY sort_name
LIMIT $2 OFFSET $3
`

type SearchArtistsParams struct {
	Column1 *string
	Limit   int32
	Offset  int32
}

func (q *Queries) SearchArtists(ctx context.Context, arg SearchArtistsParams) ([]Artist, error) {
	rows, err := q.db.Query(ctx, searchArtists, arg.Column1, arg.Limit, arg.Offset)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []Artist
	for rows.Next() {
		var i Artist
		if err := rows.Scan(
			&i.ID,
			&i.Name,
			&i.SortName,
			&i.Mbid,
			&i.CreatedAt,
			&i.UpdatedAt,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const upsertArtist = `-- name: UpsertArtist :one
INSERT INTO artists (name, sort_name, mbid)
VALUES ($1, $2, $3)
ON CONFLICT (mbid) WHERE mbid IS NOT NULL
DO UPDATE SET
    name = EXCLUDED.name,
    sort_name = EXCLUDED.sort_name,
    updated_at = now()
RETURNING id, name, sort_name, mbid, created_at, updated_at
`

type UpsertArtistParams struct {
	Name     string
	SortName string
	Mbid     *string
}

// Insert or update by mbid when present; otherwise by (name, sort_name).
// Callers pass the canonical sort_name; scanner is responsible for derivation.
func (q *Queries) UpsertArtist(ctx context.Context, arg UpsertArtistParams) (Artist, error) {
	row := q.db.QueryRow(ctx, upsertArtist, arg.Name, arg.SortName, arg.Mbid)
	var i Artist
	err := row.Scan(
		&i.ID,
		&i.Name,
		&i.SortName,
		&i.Mbid,
		&i.CreatedAt,
		&i.UpdatedAt,
	)
	return i, err
}
