import { sqlQuoteIdent as q } from "../../utils/sql-safe";
import recordSchemaChange from "./record-schema-change";
/**
 * Sync indexes for a table
 */
export default function syncIndexes(params) {
    const { db, table } = params;
    if (!table.indexes || table.indexes.length === 0) {
        return;
    }
    const existingIndexes = db
        .query(`SELECT name FROM sqlite_master WHERE type='index' AND tbl_name=? AND name NOT LIKE 'sqlite_%'`)
        .all(table.tableName).map((r) => r.name);
    // Drop indexes not in schema
    for (const indexName of existingIndexes) {
        const stillExists = table.indexes.some((idx) => idx.indexName === indexName);
        if (!stillExists) {
            recordSchemaChange(params, {
                description: `Drop index "${indexName}"`,
            });
            db.run(`DROP INDEX IF EXISTS ${q(indexName)}`);
        }
    }
    // Create new indexes
    for (const index of table.indexes) {
        if (!index.indexName || !index.indexTableFields?.length) {
            continue;
        }
        if (!existingIndexes.includes(index.indexName)) {
            recordSchemaChange(params, {
                description: `Create index "${index.indexName}" on "${table.tableName}"`,
            });
            const fields = index.indexTableFields
                .map((f) => q(String(f)))
                .join(", ");
            db.run(`CREATE INDEX ${q(index.indexName)} ON ${q(table.tableName)} (${fields})`);
        }
    }
}