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package migrations

import (
	"context"
	"database/sql"

	"github.com/navidrome/navidrome/log"
	"github.com/navidrome/navidrome/utils/str"
	"github.com/pressly/goose/v3"
)

func init() {
	goose.AddMigrationContext(upUnescapeLyricsAndComments, downUnescapeLyricsAndComments)
}

func upUnescapeLyricsAndComments(ctx context.Context, tx *sql.Tx) error {
	rows, err := tx.QueryContext(ctx, `select id, comment, lyrics, title from media_file`)
	if err != nil {
		return err
	}
	defer rows.Close()

	stmt, err := tx.Prepare("update media_file set comment = ?, lyrics = ? where id = ?")
	if err != nil {
		return err
	}

	var id, title string
	var comment, lyrics sql.NullString
	for rows.Next() {
		err = rows.Scan(&id, &comment, &lyrics, &title)
		if err != nil {
			return err
		}

		newComment := str.SanitizeText(comment.String)
		newLyrics := str.SanitizeText(lyrics.String)
		_, err = stmt.Exec(newComment, newLyrics, id)
		if err != nil {
			log.Error("Error unescaping media_file's lyrics and comments", "title", title, "id", id, err)
		}
	}
	return rows.Err()
}

func downUnescapeLyricsAndComments(_ context.Context, _ *sql.Tx) error {
	return nil
}