<?php

namespace App\Console\Commands;

use App\Events\MetricsTicked;
use Illuminate\Console\Command;

/**
 * Dev placeholder for the real MetricsPoller (SSH). Broadcasts rolling CPU+MEM
 * values over Reverb so the dashboard chart moves live.
 */
class MockMetrics extends Command
{
    protected $signature = 'clusev:mock-metrics {--interval=2 : Seconds between ticks}';

    protected $description = 'Broadcast mock CPU+MEM metrics over Reverb (dev)';

    public function handle(): int
    {
        $interval = max(1, (int) $this->option('interval'));
        $cpu = 40;
        $mem = 55;

        $this->info("Broadcasting mock metrics every {$interval}s on channel 'metrics' …");

        while (true) {
            $cpu = max(2, min(98, $cpu + random_int(-12, 12)));
            $mem = max(2, min(98, $mem + random_int(-6, 6)));
            broadcast(new MetricsTicked($cpu, $mem));
            $this->line("tick cpu={$cpu} mem={$mem}");
            sleep($interval);
        }
    }
}