import type { AppPersistenceConfig } from "../../presentation/config/AppConfig";
import type { CodemationSchedulerKind } from "../../presentation/config/CodemationConfig";

export class SchedulerPersistenceCompatibilityValidator {
  validate(args: Readonly<{ schedulerKind: CodemationSchedulerKind; persistence: AppPersistenceConfig }>): void {
    if (args.schedulerKind === "bullmq" && args.persistence.kind === "none") {
      throw new Error(
        "BullMQ requires PostgreSQL persistence. Configure runtime.database with a postgresql URL (local SQLite is not compatible with BullMQ).",
      );
    }
    if (args.schedulerKind === "bullmq" && args.persistence.kind === "sqlite") {
      throw new Error(
        'BullMQ requires a shared PostgreSQL database. SQLite cannot be used with the BullMQ scheduler. Set runtime.database.kind to "postgresql" with a PostgreSQL URL, or use the local scheduler when using SQLite.',
      );
    }
  }
}