<?php
/**
 * This file makes the tmux monitoring script activate the processing cycle.
 * It does so by changing the running setting in the database, so that the monitor script knows to
 * (re)start applicable scripts.
 *
 * It will start the tmux server and monitoring scripts if needed.
 */
require_once dirname(__DIR__, 3).DIRECTORY_SEPARATOR.'bootstrap/autoload.php';

use Blacklight\Tmux;
use App\Models\Settings;
use Blacklight\ColorCLI;

// Ensure compatible tmux version is installed $tmux_version == "tmux 2.1\n" || $tmux_version == "tmux 2.2\n"
if (`which tmux`) {
    $tmux_version = trim(str_replace('tmux ', '', shell_exec('tmux -V')));
    if (version_compare($tmux_version, '2.0', '>') && version_compare($tmux_version, '2.4', '<')) {
        exit(ColorCLI::error('tmux versions above 2.0 are not compatible with NNTmux. Aborting'.PHP_EOL));
    }
} else {
    exit(ColorCLI::error('tmux binary not found. Aborting'.PHP_EOL));
}

$tmux = new Tmux();
$tmux_session = Settings::settingValue('site.tmux.tmux_session') ?? 0;
$path = __DIR__;

// Set running value to on.
$tmux->startRunning();

// Create a placeholder session so tmux commands do not throw server not found errors.
exec('tmux new-session -ds placeholder 2>/dev/null');

//check if session exists
$session = shell_exec("tmux list-session | grep $tmux_session");
// Kill the placeholder
exec('tmux kill-session -t placeholder');
if (empty($session)) {
    echo ColorCLI::info("Starting the tmux server and monitor script.\n");
    passthru("php $path/run.php");
}