dewemoji/app/app/Http/Controllers/Web/SiteController.php

<?php

namespace App\Http\Controllers\Web;

use App\Http\Controllers\Controller;
use Illuminate\Contracts\View\View;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\Http\Response;

class SiteController extends Controller
{
    /** @var array<string,string> */
    private const CATEGORY_TO_SLUG = [
        'Smileys & Emotion' => 'smileys',
        'People & Body' => 'people',
        'Animals & Nature' => 'animals',
        'Food & Drink' => 'food',
        'Travel & Places' => 'travel',
        'Activities' => 'activities',
        'Objects' => 'objects',
        'Symbols' => 'symbols',
        'Flags' => 'flags',
    ];

    public function home(Request $request): View
    {
        return view('site.home', [
            'initialQuery' => trim((string) $request->query('q', '')),
            'initialCategory' => trim((string) $request->query('category', '')),
            'initialSubcategory' => trim((string) $request->query('subcategory', '')),
            'canonicalPath' => '/',
        ]);
    }

    public function browse(Request $request): RedirectResponse|View
    {
        $cat = strtolower(trim((string) $request->query('cat', 'all')));
        if ($cat !== '' && $cat !== 'all' && array_key_exists($cat, $this->categorySlugMap())) {
            return redirect('/'.$cat, 301);
        }

        return view('site.home', [
            'initialQuery' => trim((string) $request->query('q', '')),
            'initialCategory' => trim((string) $request->query('category', '')),
            'initialSubcategory' => trim((string) $request->query('subcategory', '')),
            'canonicalPath' => '/browse',
        ]);
    }

    public function category(string $categorySlug): View
    {
        if ($categorySlug === 'all') {
            return view('site.home', [
                'initialQuery' => '',
                'initialCategory' => '',
                'initialSubcategory' => '',
                'canonicalPath' => '/',
            ]);
        }

        $categoryLabel = $this->categorySlugMap()[$categorySlug] ?? '';
        abort_if($categoryLabel === '', 404);

        return view('site.home', [
            'initialQuery' => '',
            'initialCategory' => $categoryLabel,
            'initialSubcategory' => '',
            'canonicalPath' => '/'.$categorySlug,
        ]);
    }

    public function categorySubcategory(string $categorySlug, string $subcategorySlug): View
    {
        if ($categorySlug === 'all') {
            abort(404);
        }

        $categoryLabel = $this->categorySlugMap()[$categorySlug] ?? '';
        abort_if($categoryLabel === '', 404);

        return view('site.home', [
            'initialQuery' => '',
            'initialCategory' => $categoryLabel,
            'initialSubcategory' => $subcategorySlug,
            'canonicalPath' => '/'.$categorySlug.'/'.$subcategorySlug,
        ]);
    }

    public function apiDocs(): View
    {
        return view('site.api-docs');
    }

    public function pricing(): View
    {
        return view('site.pricing');
    }

    public function privacy(): View
    {
        return view('site.privacy');
    }

    public function terms(): View
    {
        return view('site.terms');
    }

    public function emojiDetail(string $slug): View|Response
    {
        $dataPath = (string) config('dewemoji.data_path');
        if (!is_file($dataPath)) {
            abort(500, 'Emoji dataset file not found.');
        }

        $raw = file_get_contents($dataPath);
        if ($raw === false) {
            abort(500, 'Emoji dataset file could not be read.');
        }

        $decoded = json_decode($raw, true);
        if (!is_array($decoded)) {
            abort(500, 'Emoji dataset JSON is invalid.');
        }

        $items = $decoded['emojis'] ?? [];
        $match = null;
        foreach ($items as $item) {
            if (($item['slug'] ?? '') === $slug) {
                $match = $item;
                break;
            }
        }

        if (!$match) {
            abort(404);
        }

        return view('site.emoji-detail', [
            'emoji' => $match,
            'canonicalPath' => '/emoji/'.$slug,
        ]);
    }

    /**
     * @return array<string,string>
     */
    private function categorySlugMap(): array
    {
        $out = [];
        foreach (self::CATEGORY_TO_SLUG as $label => $slug) {
            $out[$slug] = $label;
        }

        return $out;
    }
}