import Either from '@hexadrop/either';
import DomainError from '@hexadrop/error';
import { Class } from '@hexadrop/types/class';
import Command from './command.js';
import '@hexadrop/types/primitives';

/**
 * @callback CommandBusCallback
 * @param {CommandType} command - The command to be executed.
 * @returns {Either<DomainError, void> | Promise<Either<DomainError, void>>} - The result of the command execution.
 * @template CommandType - The type of the command.
 */
type CommandBusCallback<CommandType extends Command = Command> = (command: CommandType) => Either<DomainError, void> | Promise<Either<DomainError, void>>;
/**
 * @interface CommandHandler
 * @property {CommandBusCallback<CommandType>} run - The method to run the command.
 * @template CommandType - The type of the command.
 */
interface CommandHandler<CommandType extends Command = Command> {
    run: CommandBusCallback<CommandType>;
}
type CommandHandlerClass<CommandType extends Command> = Class<any[], CommandHandler<CommandType>>;
/**
 * @abstract
 * @class CommandBus
 * @description Abstract class representing a command bus.
 */
declare abstract class CommandBus {
    /**
     * @abstract
     * @method dispatch
     * @param {Command} command - The command to be dispatched.
     * @returns {Either<DomainError, void> | Promise<Either<DomainError, void>>} - The result of the command dispatch.
     */
    abstract dispatch(command: Command): Either<DomainError, void> | Promise<Either<DomainError, void>>;
}

export { type CommandBusCallback, type CommandHandler, type CommandHandlerClass, CommandBus as default };