<?php

namespace App\RSpade\Commands\Rsx;

use Illuminate\Console\Command;
use Illuminate\Support\Str;
use App\RSpade\Core\CodeTemplates\StubProcessor;

class Module_Create_Command extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'rsx:app:module:create
                            {name : Module name (lowercase with underscores)}';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Create a new module (top-level section with shared layout). Example: frontend, admin';

    /**
     * Execute the console command.
     *
     * @return int
     */
    public function handle()
    {
        $module_name = $this->argument('name');
        
        // Validate module name (lowercase and underscores only)
        if (!preg_match('/^[a-z_]+$/', $module_name)) {
            $this->error('Module name must contain only lowercase letters and underscores.');
            return 1;
        }
        
        // Check if module already exists
        $module_path = base_path("rsx/app/{$module_name}");
        if (is_dir($module_path)) {
            $this->error("Module '{$module_name}' already exists at: rsx/app/{$module_name}");
            return 1;
        }
        
        // Create module directory
        if (!mkdir($module_path, 0755, true)) {
            $this->error("Failed to create module directory: {$module_path}");
            return 1;
        }
        
        $this->info("Created module directory: rsx/app/{$module_name}");

        // Generate replacements
        $replacements = StubProcessor::generate_replacements($module_name);

        try {
            // Create bundle file
            $bundle_content = StubProcessor::process('bundle', $replacements);
            $bundle_path = "{$module_path}/{$module_name}_bundle.php";
            file_put_contents($bundle_path, $bundle_content);
            $this->info("Created bundle: {$module_name}_bundle.php");

            // Create layout file
            $layout_content = StubProcessor::process('module_layout', $replacements);
            $layout_path = "{$module_path}/{$module_name}_layout.blade.php";
            file_put_contents($layout_path, $layout_content);
            $this->info("Created layout: {$module_name}_layout.blade.php");

            // Create default index feature
            $this->call('rsx:app:module:feature:create', [
                'module' => $module_name,
                'feature' => 'index'
            ]);

        } catch (\Exception $e) {
            $this->error("Failed to create module: " . $e->getMessage());
            // Clean up on failure
            if (is_dir($module_path)) {
                $this->cleanup_directory($module_path);
            }
            return 1;
        }

        $this->info("✅ Module '{$module_name}' created successfully!");
        $this->info("Route: /{$module_name}");

        return 0;
    }
    
    /**
     * Clean up directory on failure
     */
    protected function cleanup_directory($dir)
    {
        if (!is_dir($dir)) {
            return;
        }

        $files = array_diff(scandir($dir), ['.', '..']);
        foreach ($files as $file) {
            $path = $dir . '/' . $file;
            is_dir($path) ? $this->cleanup_directory($path) : unlink($path);
        }
        rmdir($dir);
    }
}