import EventEmitter from 'events';

namespace ImplementableApi {
    export type Config = {
        name: string;
    };

    /**
     * [optional] idListener is the way to identificate the listener who's the src of the newEntries
     * the type field permit to know which type of message it is
     * rawContent field is the string content of the message
     */
    export type Message<T extends TBaseMessageType> = {
        idListener?: number;
        type: T | 'logging';
        rawContent: any;
    };
    export type TBaseMessageType = string;
}

abstract class ImplementableApi<
    T extends ImplementableApi.TBaseMessageType
> extends EventEmitter {
    readonly name: string;

    constructor(readonly config: ImplementableApi.Config) {
        super();
        this.name = config.name;
    }

    public abstract receivedMessage(message: ImplementableApi.Message<T>): void;
}

export { ImplementableApi };