<?php

/*
 * This file is part of RaspiSMS.
 *
 * (c) Pierre-Lin Bonnemaison <plebwebsas@gmail.com>
 *
 * This source file is subject to the GPL-3.0 license that is bundled
 * with this source code in the file LICENSE.
 */

namespace daemons;

use Monolog\Handler\StreamHandler;
use Monolog\Logger;

/**
 * Main daemon class.
 */
class Launcher extends AbstractDaemon
{
    private $internal_phone;
    private $internal_scheduled;
    private $internal_received;
    private $bdd;

    public function __construct()
    {
        $name = 'RaspiSMS Daemon Launcher';

        $logger = new Logger($name);
        $logger->pushHandler(new StreamHandler(PWD_LOGS . '/daemons.log', Logger::DEBUG));
        $pid_dir = PWD_PID;
        $no_parent = true; //Launcher should be rattach to PID 1
        $additional_signals = [];
        $uniq = true; //Main server should be uniq

        //Construct the server and add SIGUSR1 and SIGUSR2
        parent::__construct($name, $logger, $pid_dir, $no_parent, $additional_signals, $uniq);

        parent::start();
    }

    public function run()
    {
        //Create the internal controllers
        $this->bdd = \descartes\Model::_connect(DATABASE_HOST, DATABASE_NAME, DATABASE_USER, DATABASE_PASSWORD);
        $this->internal_phone = new \controllers\internals\Phone($this->bdd);

        $this->start_sender_daemon();

        $this->start_webhook_daemon();

        $this->start_mailer_daemon();

        $phones = $this->internal_phone->get_all_for_active_users();
        $this->start_phones_daemons($phones);

        sleep(1);
    }

    /**
     * Function to start sender daemon.
     */
    public function start_sender_daemon()
    {
        $name = 'RaspiSMS Daemon Sender';
        $pid_file = PWD_PID . '/' . $name . '.pid';

        if (file_exists($pid_file))
        {
            return false;
        }

        //Create a new daemon for sender
        $pid = null;
        exec('php ' . PWD . '/console.php controllers/internals/Console.php sender > /dev/null 2>&1 &');
    }

    /**
     * Function to start mailer daemon.
     */
    public function start_mailer_daemon()
    {
        $name = 'RaspiSMS Daemon Mailer';
        $pid_file = PWD_PID . '/' . $name . '.pid';

        if (file_exists($pid_file))
        {
            return false;
        }

        //Create a new daemon for sender
        $pid = null;
        exec('php ' . PWD . '/console.php controllers/internals/Console.php mailer > /dev/null 2>&1 &');
    }

    /**
     * Function to start webhook daemon.
     */
    public function start_webhook_daemon()
    {
        $name = 'RaspiSMS Daemon Webhook';
        $pid_file = PWD_PID . '/' . $name . '.pid';

        if (file_exists($pid_file))
        {
            return false;
        }

        //Create a new daemon for webhook
        exec('php ' . PWD . '/console.php controllers/internals/Console.php webhook > /dev/null 2>&1 &');
    }

    /**
     * Function to start phones daemons.
     *
     * @param array $phones : Phones to start daemon for if the daemon is not already started
     */
    public function start_phones_daemons(array $phones)
    {
        foreach ($phones as $phone)
        {
            $phone_name = 'RaspiSMS Daemon Phone ' . $phone['id'];
            $pid_file = PWD_PID . '/' . $phone_name . '.pid';

            if (file_exists($pid_file))
            {
                continue;
            }

            //Create a new daemon for the phone
            exec('php ' . PWD . '/console.php controllers/internals/Console.php phone --id_phone=\'' . $phone['id'] . '\' > /dev/null 2>&1 &');
        }
    }

    public function on_start()
    {
        $this->logger->info('Starting Launcher with pid ' . getmypid());
    }

    public function on_stop()
    {
        $this->logger->info('Stopping Launcher with pid ' . getmypid());
    }

    public function handle_other_signals($signal)
    {
        $this->logger->info('Signal not handled by ' . $this->name . ' Daemon : ' . $signal);
    }
}
