<?php declare(strict_types=1);

namespace App\Support\Architecture;

final class DependencyMapGenerator
{
    public function generate(): array
    {
        $finder = new ArchitectureFileFinder();
        $files = $finder->phpFiles(['app/Domain', 'app/Http/Controllers', 'app/Providers']);
        $map = [];

        foreach ($files as $file) {
            $relative = str_replace(base_path().'/', '', $file);
            $contents = file_get_contents($file) ?: '';
            preg_match_all('/^use\s+([^;]+);/m', $contents, $matches);
            $map[$relative] = array_values(array_unique($matches[1] ?? []));
        }

        return [
            'generated_at' => now()->toISOString(),
            'files' => $map,
            'forbidden_dependency_examples' => [
                'SchoolCore -> IslamicSundaySchool',
                'Domain services -> Illuminate\\Http\\Request',
                'Controllers -> provider SDKs',
            ],
        ];
    }
}