RocketChat/Rocket.Chat

function PASS() {
    this.log('Received PASS command, continue registering...');

    this.registerSteps.push('PASS');
}

function SERVER(parsedMessage) {
    this.log('Received SERVER command, waiting for first PING...');

    this.serverPrefix = parsedMessage.prefix;

    this.registerSteps.push('SERVER');
}

function PING() {
    if (!this.isRegistered && this.registerSteps.length === 2) {
        this.log('Received first PING command, server is registered!');

        this.isRegistered = true;

        this.emit('registered');
    }

    this.write({
        prefix: this.config.server.name,
        command: 'PONG',
        parameters: [this.config.server.name],
    });
}

function NICK(parsedMessage) {
    let command;

    // Check if the message comes from the server,
    // which means it is a new user
    if (parsedMessage.prefix === this.serverPrefix) {
        command = {
            identifier: 'userRegistered',
            args: {
                nick: parsedMessage.args[0],
                username: parsedMessage.args[2],
                host: parsedMessage.args[3],
                name: parsedMessage.args[6],
            },
        };
    } else {
        // Otherwise, it is a nick change
        command = {
            identifier: 'nickChanged',
            args: {
                nick: parsedMessage.nick,
                newNick: parsedMessage.args[0],
            },
        };
    }

    return command;
}

function JOIN(parsedMessage) {
    const command = {
        identifier: 'joinedChannel',
        args: {
            roomName: parsedMessage.args[0].substring(1),
            nick: parsedMessage.prefix,
        },
    };

    return command;
}

function PART(parsedMessage) {
    const command = {
        identifier: 'leftChannel',
        args: {
            roomName: parsedMessage.args[0].substring(1),
            nick: parsedMessage.prefix,
        },
    };

    return command;
}

function PRIVMSG(parsedMessage) {
    const command = {
        identifier: 'sentMessage',
        args: {
            nick: parsedMessage.prefix,
            message: parsedMessage.args[1],
        },
    };

    if (parsedMessage.args[0][0] === '#') {
        command.args.roomName = parsedMessage.args[0].substring(1);
    } else {
        command.args.recipientNick = parsedMessage.args[0];
    }

    return command;
}

function QUIT(parsedMessage) {
    const command = {
        identifier: 'disconnected',
        args: {
            nick: parsedMessage.prefix,
        },
    };

    return command;
}

export default { PASS, SERVER, PING, NICK, JOIN, PART, PRIVMSG, QUIT };