<?php

namespace App\Support\Release;

use Illuminate\Support\Facades\File;

final class ReleaseReadinessGate
{
    public function evaluate(): array
    {
        $required = config('release_readiness.required_artifacts', []);
        $missing = [];

        foreach ($required as $path) {
            if (! File::exists(base_path($path))) {
                $missing[] = $path;
            }
        }

        $expiredFlags = [];
        foreach ((new FeatureFlagRegistry())->all() as $flag) {
            if ($flag->removalTarget !== null && strtotime($flag->removalTarget) !== false && strtotime($flag->removalTarget) < time()) {
                $expiredFlags[] = $flag->key;
            }
        }

        return [
            'status' => empty($missing) && empty($expiredFlags) ? 'pass' : 'fail',
            'missing_artifacts' => $missing,
            'expired_flags' => $expiredFlags,
        ];
    }
}