import type { MigrationContext, ReversibleMigration } from '../migration-types';

export class AddLangsmithIdsToInstanceAiRunSnapshots1777100000000 implements ReversibleMigration {
	async up({ schemaBuilder: { addColumns, column } }: MigrationContext) {
		await addColumns(
			'instance_ai_run_snapshots',
			[
				column('langsmithRunId')
					.varchar(36)
					.comment('LangSmith run ID (UUID v4, e.g. "f47ac10b-58cc-4372-a567-0e02b2c3d479").'),
				column('langsmithTraceId')
					.varchar(36)
					.comment('LangSmith trace ID (UUID v4, e.g. "f47ac10b-58cc-4372-a567-0e02b2c3d479").'),
			],
			{ recreatesOnSqlite: true },
		);
	}

	async down({ schemaBuilder: { dropColumns } }: MigrationContext) {
		await dropColumns('instance_ai_run_snapshots', ['langsmithRunId', 'langsmithTraceId'], {
			recreatesOnSqlite: true,
		});
	}
}