import type { AnyRole } from '../../actor/types/utility.type';
import type { AnyGoal } from '../../goal/types/utility.type';
import type { AnyType } from '../../utils/types/utility.type';
import type { UsecaseModel } from './usecase-model.interface';
import type { AnyUsecase } from './utility.type';

export type UsecaseHandler<Usecase extends AnyUsecase> =
   Usecase extends UsecaseModel<
      string,
      readonly AnyRole[],
      infer Handler,
      AnyGoal
   >
      ? Handler
      : never;

export type UsecaseHandlerParameters<Usecase extends AnyUsecase> =
   UsecaseHandler<Usecase> extends (
      ...args: infer Parameters
   ) => AnyType
      ? Parameters
      : [];

export type UsecaseHandlerResult<Usecase extends AnyUsecase> =
   ReturnType<UsecaseHandler<Usecase>>;