module.exports = Self => {
    Self.remoteMethodCtx('sendCheckingPresence', {
        description: 'Sends a RocketChat message to a working worker or department channel',
        accessType: 'WRITE',
        accepts: [{
            arg: 'workerId',
            type: 'Number',
            required: true,
            description: 'The worker id of the destinatary'
        }, {
            arg: 'message',
            type: 'String',
            required: true,
            description: 'The message'
        }],
        returns: {
            type: 'Object',
            root: true
        },
        http: {
            path: `/sendCheckingPresence`,
            verb: 'POST'
        }
    });

    Self.sendCheckingPresence = async(ctx, workerId, message) => {
        const models = Self.app.models;
        const account = await models.Account.findById(workerId);

        const query = `SELECT worker_isWorking(?) isWorking`;
        const [result] = await Self.rawSql(query, [workerId]);

        let room;
        if (result.isWorking)
            room = `@${account.name}`;
        else {
            const workerDepartment = await models.WorkerDepartment.findById(workerId, {
                include: {
                    relation: 'department'
                }
            });
            const department = workerDepartment.department();
            const channelName = department.chatName;
            room = `#${channelName}`;

            if (channelName)
                room = `#${channelName}`;
            else room = `@${account.name}`;
        }

        return Self.send(ctx, room, message);
    };
};