peers/peerjs-server

import type { MessageType } from "../enums.ts";
import type { IClient } from "../models/client.ts";
import type { IMessage } from "../models/message.ts";
import type { Handler } from "./handler.ts";

export interface IHandlersRegistry {
    registerHandler(messageType: MessageType, handler: Handler): void;
    handle(client: IClient | undefined, message: IMessage): boolean;
}

export class HandlersRegistry implements IHandlersRegistry {
    private readonly handlers = new Map<MessageType, Handler>();

    public registerHandler(messageType: MessageType, handler: Handler): void {
        if (this.handlers.has(messageType)) return;

        this.handlers.set(messageType, handler);
    }

    public handle(client: IClient | undefined, message: IMessage): boolean {
        const { type } = message;

        const handler = this.handlers.get(type);

        if (!handler) return false;

        return handler(client, message);
    }
}