<?php

namespace App\Http\Controllers;

use App\Models\CmsPage;
use App\Models\SiteSetting;
use Illuminate\Http\Response;
use Illuminate\Support\Facades\Route;

final class SeoController extends Controller
{
    public function sitemap(): Response
    {
        $static = collect([
            ['route' => 'home', 'priority' => '1.0', 'frequency' => 'weekly'],
            ['route' => 'features', 'priority' => '0.9', 'frequency' => 'monthly'],
            ['route' => 'buy', 'priority' => '0.9', 'frequency' => 'monthly'],
            ['route' => 'release', 'priority' => '0.8', 'frequency' => 'weekly'],
            ['route' => 'support', 'priority' => '0.6', 'frequency' => 'monthly'],
            ['route' => 'privacy', 'priority' => '0.3', 'frequency' => 'yearly'],
            ['route' => 'terms', 'priority' => '0.3', 'frequency' => 'yearly'],
            ['route' => 'refund', 'priority' => '0.3', 'frequency' => 'yearly'],
            ['route' => 'cookies', 'priority' => '0.3', 'frequency' => 'yearly'],
        ])->filter(fn (array $item) => Route::has($item['route']))->values();

        $pages = CmsPage::query()
            ->where('is_published', true)
            ->where('include_in_sitemap', true)
            ->where('robots_index', true)
            ->where(fn ($query) => $query->whereNull('published_at')->orWhere('published_at', '<=', now()))
            ->orderBy('slug')
            ->get();

        return response()
            ->view('seo.sitemap', compact('static', 'pages'))
            ->header('Content-Type', 'application/xml; charset=UTF-8')
            ->header('Cache-Control', 'public, max-age=3600');
    }

    public function indexNowKey(string $key): Response
    {
        $configured = trim((string) config('indexnow.key'));

        abort_unless(config('indexnow.enabled') && $configured !== '' && hash_equals($configured, $key), 404);

        return response($configured, 200, [
            'Content-Type' => 'text/plain; charset=UTF-8',
            'Cache-Control' => 'public, max-age=86400',
        ]);
    }

    public function robots(): Response
    {
        $indexable = app()->environment('production') && SiteSetting::booleanFor('seo_robots_enabled', true);

        $body = $indexable
            ? "User-agent: *\nAllow: /\nDisallow: /admin/\nDisallow: /portal/\nDisallow: /login\nDisallow: /register\n\nSitemap: ".route('sitemap')."\n"
            : "User-agent: *\nDisallow: /\n";

        return response($body, 200, [
            'Content-Type' => 'text/plain; charset=UTF-8',
            'Cache-Control' => 'public, max-age=3600',
        ]);
    }
}