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

package dbq

import (
	"context"

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

const insertContextualLike = `-- name: InsertContextualLike :exec
INSERT INTO contextual_likes (user_id, track_id, session_vector, session_id)
VALUES ($1, $2, $3, $4)
`

type InsertContextualLikeParams struct {
	UserID        pgtype.UUID
	TrackID       pgtype.UUID
	SessionVector []byte
	SessionID     pgtype.UUID
}

func (q *Queries) InsertContextualLike(ctx context.Context, arg InsertContextualLikeParams) error {
	_, err := q.db.Exec(ctx, insertContextualLike,
		arg.UserID,
		arg.TrackID,
		arg.SessionVector,
		arg.SessionID,
	)
	return err
}

const listActiveContextualLikesForUser = `-- name: ListActiveContextualLikesForUser :many
SELECT track_id, session_vector
FROM contextual_likes
WHERE user_id = $1
  AND deleted_at IS NULL
  AND session_vector IS NOT NULL
`

type ListActiveContextualLikesForUserRow struct {
	TrackID       pgtype.UUID
	SessionVector []byte
}

// Returns all the user's active (non-soft-deleted) contextual_likes with
// non-null vectors. Cardinality is bounded by the user's actual like-while-
// playing history — typically tens to low hundreds. Used by the engine to
// compute contextual_match_score for the candidate pool.
func (q *Queries) ListActiveContextualLikesForUser(ctx context.Context, userID pgtype.UUID) ([]ListActiveContextualLikesForUserRow, error) {
	rows, err := q.db.Query(ctx, listActiveContextualLikesForUser, userID)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []ListActiveContextualLikesForUserRow
	for rows.Next() {
		var i ListActiveContextualLikesForUserRow
		if err := rows.Scan(&i.TrackID, &i.SessionVector); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const softDeleteContextualLikesForUserTrack = `-- name: SoftDeleteContextualLikesForUserTrack :exec
UPDATE contextual_likes
SET deleted_at = now()
WHERE user_id = $1 AND track_id = $2 AND deleted_at IS NULL
`

type SoftDeleteContextualLikesForUserTrackParams struct {
	UserID  pgtype.UUID
	TrackID pgtype.UUID
}

// Marks all currently-active rows for (user, track) as deleted. Idempotent —
// already-deleted rows aren't re-touched.
func (q *Queries) SoftDeleteContextualLikesForUserTrack(ctx context.Context, arg SoftDeleteContextualLikesForUserTrackParams) error {
	_, err := q.db.Exec(ctx, softDeleteContextualLikesForUserTrack, arg.UserID, arg.TrackID)
	return err
}
