import type { ServiceOptions as BaseServiceOptions, ServiceRunContext } from "./service.ts"
import { Service } from "./service.ts"

export type ServiceAbstractConstructor<
  ServiceOptions extends BaseServiceOptions,
  Context extends ServiceRunContext,
  Left,
  Right,
> = (abstract new (options: ServiceOptions) => Service<Context, Left, Right>) & {
  is(target: unknown): target is Service<Context, Left, Right>
}
export const createServiceAbstractClass = <const ServiceName extends string>(
  serviceName: ServiceName,
) => {
  return <
    ServiceOptions extends BaseServiceOptions,
    Context extends ServiceRunContext,
    Left,
    Right,
  >(): ServiceAbstractConstructor<ServiceOptions, Context, Left, Right> => {
    abstract class AbstractService extends Service<Context, Left, Right> {
      constructor(options: ServiceOptions) {
        super(options)
        this.logger.setDefaultName(serviceName)
      }

      static is(target: unknown): target is Service<Context, Left, Right> {
        if (target instanceof AbstractService) {
          return true
        }
        return false
      }
    }

    return AbstractService
  }
}

export type SimpleServiceAbstractConstructor<
  Context extends ServiceRunContext,
  Left,
  Right,
> = ServiceAbstractConstructor<BaseServiceOptions, Context, Left, Right>
export const createSimpleServiceAbstractClass = <const ServiceName extends string>(
  serviceName: ServiceName,
) => {
  return <Context extends ServiceRunContext, Left, Right>(): SimpleServiceAbstractConstructor<
    Context,
    Left,
    Right
  > => {
    return createServiceAbstractClass(serviceName)()
  }
}