<?php

declare(strict_types=1);

namespace Mod\Chain\Commands;

use Illuminate\Console\Command;
use Mod\Chain\Services\DaemonRpc;

/**
 * Show chain daemon and wallet status.
 *
 *   php artisan chain:status
 */
class ChainStatus extends Command
{
    protected $signature = 'chain:status';

    protected $description = 'Show testnet chain daemon and wallet status';

    public function handle(DaemonRpc $rpc): int
    {
        $this->info('=== Chain Status ===');

        // Daemon — safe: hardcoded process name, no user input
        $daemonRunning = $this->isRunning('lethean-testnet-chain-node');
        $this->line('Daemon: ' . ($daemonRunning ? '<fg=green>running</>' : '<fg=red>stopped</>'));

        if ($daemonRunning) {
            $info = $rpc->getInfo();
            if (! isset($info['_offline'])) {
                $this->line("  Height: {$info['height']}");
                $this->line("  Aliases: {$info['alias_count']}");
                $this->line("  TX Pool: {$info['tx_pool_size']}");
                $this->line('  PoS: ' . (($info['pos_allowed'] ?? false) ? 'active' : 'inactive'));
                $this->line("  Difficulty: {$info['pow_difficulty']}");
            } else {
                $this->warn('  RPC unreachable');
            }
        }

        // Wallet — safe: hardcoded process name
        $walletRunning = $this->isRunning('lethean-wallet-cli');
        $this->line('Wallet: ' . ($walletRunning ? '<fg=green>running</>' : '<fg=red>stopped</>'));

        // LNS — safe: hardcoded process name
        $lnsRunning = $this->isRunning('lns-new');
        $this->line('LNS:    ' . ($lnsRunning ? '<fg=green>running</>' : '<fg=red>stopped</>'));

        return self::SUCCESS;
    }

    private function isRunning(string $processName): bool
    {
        // Safe: escapeshellarg prevents injection, process names are hardcoded
        exec("pgrep -f " . escapeshellarg($processName), $output); // @codeCoverageIgnore

        return ! empty($output);
    }
}