<?php

namespace App\Console\Commands;

use App\Services\Diagnostics\DiagnosticRunner;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\App;

class SystemCheckCommand extends Command
{
    #[\Override]
    protected $signature = 'atom:check 
                            {--fix : Start the deep-repair interactive wizard} 
                            {--interactive : Alias for --fix} 
                            {--auto : Run all fixes automatically without asking} 
                            {--platform=auto : Force platform detection} 
                            {--lang=en : Set language (en, nl)} 
                            {--skip-migrations : Skip database migrations} 
                            {--skip-build : Skip frontend asset building} 
                            {--fix-env : Fix .env file with proper formatting} 
                            {--setup : Run full setup (migrations, build, storage)}';

    #[\Override]
    protected $description = 'Ultimate Master Diagnostic & Auto-Repair Tool for Atom CMS';

    private string $platform = 'auto';

    private string $webUser = 'www-data';

    private string $webGroup = 'www-data';

    public function handle(): int
    {
        $lang = $this->option('lang');
        if (is_string($lang) && in_array($lang, ['en', 'nl'])) {
            App::setLocale($lang);
        }

        $this->platform = $this->detectPlatform();
        $this->detectWebUserContext();

        $this->info('╔════════════════════════════════════════════════════════════╗');
        $this->info('║             ATOM CMS MASTER REPAIR COMMAND                 ║');
        $this->info('╚════════════════════════════════════════════════════════════╝');
        $this->info(' Platform: ' . strtoupper($this->platform));
        $this->info(' User    : ' . $this->webUser . ' / ' . $this->webGroup);
        $this->info(' PHP     : ' . PHP_VERSION);
        $this->newLine();

        $runner = new DiagnosticRunner;
        $results = $runner->runAll();

        foreach ($results as $result) {
            $icon = match ($result->status) {
                'ok' => '✓',
                'warning' => '⚠',
                'error' => '✗',
                default => '?',
            };

            $this->line(" {$icon} {$result->name}: {$result->message}");

            if ($result->fix) {
                $this->line("   → {$result->fix}");
            }
        }

        $this->newLine();
        $this->info('Summary: ' . count($runner->getOk()) . ' OK, ' . count($runner->getWarnings()) . ' warnings, ' . count($runner->getErrors()) . ' errors');

        if ($this->option('fix') || $this->option('interactive')) {
            return $this->runFixWizard();
        }

        return $runner->hasErrors() ? 1 : 0;
    }

    private function runFixWizard(): int
    {
        $this->warn('Interactive fix wizard - use --auto for non-interactive mode');

        if ($this->confirm('Run all automatic fixes?', false)) {
            $this->call('optimize:clear');
            $this->call('config:cache');
            $this->call('view:cache');

            $this->info('Fixes completed');

            return 0;
        }

        return 1;
    }

    private function detectPlatform(): string
    {
        if (PHP_OS_FAMILY === 'Windows') {
            return 'windows';
        }

        if (file_exists('/etc/nginx')) {
            return 'linux-nginx';
        }

        if (file_exists('/etc/apache2') || file_exists('/etc/httpd')) {
            return 'linux-apache';
        }

        return 'linux';
    }

    private function detectWebUserContext(): void
    {
        if (function_exists('posix_getpwuid')) {
            $user = posix_getpwuid(posix_geteuid());
            $this->webUser = $user['name'] ?? 'unknown';
        }

        if (file_exists('/etc/group')) {
            $group = exec('id -gn 2>/dev/null');
            if ($group) {
                $this->webGroup = trim($group);
            }
        }
    }
}