<?php

declare(strict_types=1);

namespace Mod\Chain\Commands;

use Illuminate\Console\Command;

/**
 * Gracefully stop chain daemon and wallet.
 *
 *   php artisan chain:stop
 */
class ChainStop extends Command
{
    protected $signature = 'chain:stop';

    protected $description = 'Stop testnet chain daemon and wallet';

    public function handle(): int
    {
        $this->stopProcess('lethean-wallet-cli', 'Wallet');
        $this->stopProcess('lethean-testnet-chain-node', 'Daemon');

        return self::SUCCESS;
    }

    private function stopProcess(string $name, string $label): void
    {
        // Safe: escapeshellarg prevents injection, process names are hardcoded constants
        exec("pgrep -f " . escapeshellarg($name), $pids); // @codeCoverageIgnore

        if (empty($pids)) {
            $this->info("{$label}: not running.");

            return;
        }

        foreach ($pids as $pid) {
            posix_kill((int) $pid, SIGTERM);
        }

        $this->info("{$label}: SIGTERM sent to " . count($pids) . " process(es).");

        // Wait up to 10s for graceful shutdown
        for ($i = 0; $i < 10; $i++) {
            exec("pgrep -f " . escapeshellarg($name), $check); // @codeCoverageIgnore
            if (empty($check)) {
                $this->info("{$label}: stopped.");

                return;
            }
            sleep(1);
        }

        $this->warn("{$label}: still running after 10s.");
    }
}