<?php

use App\Tenancy\TenantManager;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Route;

Route::get('/', function () {
    // On a tenant subdomain → public landing page.
    $tenant = app(TenantManager::class)->current();
    if ($tenant) {
        return view('site.landing', [
            'name' => $tenant->display_name ?? $tenant->name,
            'city' => $tenant->city,
            'phone' => $tenant->phone,
            'email' => $tenant->email,
            'themeColor' => $tenant->settings['theme_color'] ?? '#3B82F6',
            'services' => (array) ($tenant->settings['services'] ?? []),
            'cars' => (array) ($tenant->settings['cars'] ?? []),
            'logoUrl' => $tenant->getLogoUrl(),
            'faviconUrl' => $tenant->getFaviconUrl(),
        ]);
    }
    // On the central domain → redirect to admin.
    return redirect('/admin');
});

// ─── Plăți / Billing (tenant-side) ──────────────────────────────────
// /billing — listă facturi tenant + buton plată
// /pay/{id} — start checkout (Stripe / PayPal / bank)
Route::get('/billing', [\App\Http\Controllers\PaymentController::class, 'billing'])->name('billing');
Route::post('/pay/{subscription}', [\App\Http\Controllers\PaymentController::class, 'startCheckout'])
    ->where('subscription', '\d+')
    ->name('pay.start');
Route::get('/pay/{subscription}/success', [\App\Http\Controllers\PaymentController::class, 'success'])
    ->where('subscription', '\d+')
    ->name('pay.success');
Route::get('/pay/{subscription}/cancel', [\App\Http\Controllers\PaymentController::class, 'cancel'])
    ->where('subscription', '\d+')
    ->name('pay.cancel');

// ─── Webhooks (central, no auth) ────────────────────────────────────
Route::post('/payments/stripe/webhook', [\App\Http\Controllers\PaymentController::class, 'stripeWebhook'])
    ->withoutMiddleware([\Illuminate\Foundation\Http\Middleware\VerifyCsrfToken::class]);
Route::post('/payments/paypal/webhook', [\App\Http\Controllers\PaymentController::class, 'paypalWebhook'])
    ->withoutMiddleware([\Illuminate\Foundation\Http\Middleware\VerifyCsrfToken::class]);
Route::post('/payments/paynet/webhook', [\App\Http\Controllers\PaymentController::class, 'paynetWebhook'])
    ->withoutMiddleware([\Illuminate\Foundation\Http\Middleware\VerifyCsrfToken::class]);

// DEBUG — verifică starea storage symlink + media library.
// TODO: remove after debug.
Route::get('/debug-storage', function () {
    $publicStoragePath = public_path('storage');
    $storageAppPublic = storage_path('app/public');

    // Try to write a test file
    if (! is_dir($storageAppPublic)) @mkdir($storageAppPublic, 0775, true);
    @file_put_contents($storageAppPublic . '/test.txt', 'OK ' . now()->toIso8601String());

    $latestMedia = \DB::table('media')->latest('id')->first();

    return response()->json([
        'public_storage' => [
            'path' => $publicStoragePath,
            'is_link' => is_link($publicStoragePath),
            'exists' => file_exists($publicStoragePath),
            'target' => is_link($publicStoragePath) ? readlink($publicStoragePath) : null,
            'is_dir' => is_dir($publicStoragePath),
        ],
        'storage_app_public' => [
            'path' => $storageAppPublic,
            'exists' => is_dir($storageAppPublic),
            'test_file_written' => file_exists($storageAppPublic . '/test.txt'),
            'test_file_url' => url('/storage/test.txt'),
        ],
        'latest_media' => $latestMedia ? [
            'id' => $latestMedia->id,
            'model' => $latestMedia->model_type . '#' . $latestMedia->model_id,
            'collection' => $latestMedia->collection_name,
            'name' => $latestMedia->file_name,
            'disk' => $latestMedia->disk,
            'expected_path' => $storageAppPublic . '/' . $latestMedia->id . '/' . $latestMedia->file_name,
            'file_exists' => file_exists($storageAppPublic . '/' . $latestMedia->id . '/' . $latestMedia->file_name),
        ] : null,
        'media_disk_config' => config('media-library.disk_name'),
        'app_url' => config('app.url'),
    ]);
});

// Stub `login` route — needed because Laravel's auth middleware tries to
// route('login') when redirecting unauthenticated requests. We don't have a
// global /login (panels use /admin/login and /app/login), so stub it.
Route::get('/login', function (Request $request) {
    if ($request->expectsJson() || $request->is('api/*')) {
        return response()->json(['message' => 'Unauthenticated.'], 401);
    }
    $tenant = app(TenantManager::class)->current();
    return redirect($tenant ? '/app/login' : '/admin/login');
})->name('login');

// Locale switch — POST /locale/{lang} sets session and persists to user.
Route::post('/locale/{lang}', function (Request $request, string $lang) {
    if (! in_array($lang, ['ro', 'ru', 'en'], true)) {
        abort(404);
    }
    $request->session()->put('locale', $lang);
    if ($u = $request->user()) {
        $u->forceFill(['locale' => $lang])->saveQuietly();
    }
    return back();
})->name('locale.switch');

// PWA — manifest pentru panou central (service.mir.md).
Route::get('/admin-manifest.json', function () {
    return response()->json([
        'name' => 'AutoCRM Admin',
        'short_name' => 'AutoCRM',
        'description' => 'Panou administrativ AutoCRM SaaS',
        'start_url' => '/admin',
        'scope' => '/',
        'display' => 'standalone',
        'orientation' => 'any',
        'background_color' => '#ffffff',
        'theme_color' => '#6366f1',
        'lang' => 'ro',
        'icons' => [
            ['src' => '/pwa/admin-192.png', 'sizes' => '192x192', 'type' => 'image/png', 'purpose' => 'any'],
            ['src' => '/pwa/admin-512.png', 'sizes' => '512x512', 'type' => 'image/png', 'purpose' => 'any'],
            ['src' => '/pwa/admin-512.png', 'sizes' => '512x512', 'type' => 'image/png', 'purpose' => 'maskable'],
        ],
    ])->header('Cache-Control', 'public, max-age=3600');
});

// SVG favicon for the central panel (referenced from <link rel="icon">)
Route::get('/pwa/admin-icon.svg', function () {
    $svg = '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100">
        <rect width="100" height="100" rx="20" fill="#6366f1"/>
        <text x="50" y="68" font-size="56" text-anchor="middle" fill="#fff" font-family="system-ui,-apple-system,sans-serif" font-weight="700">A</text>
    </svg>';
    return response($svg, 200, ['Content-Type' => 'image/svg+xml', 'Cache-Control' => 'public, max-age=86400']);
});

// PNG icons generated on-the-fly with GD if available, with PNG fallback baked from SVG.
// Browsers (Chrome) require real PNG bytes for the install prompt.
Route::get('/pwa/admin-{size}.png', function (int $size) {
    if (! in_array($size, [192, 512], true)) abort(404);

    if (! extension_loaded('gd')) {
        // Fallback: serve a transparent 1x1 PNG. Install prompt may not show.
        return response(base64_decode('iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNkYPhfDwAChwGA60e6kgAAAABJRU5ErkJggg=='),
            200, ['Content-Type' => 'image/png']);
    }

    $img = imagecreatetruecolor($size, $size);
    $bg = imagecolorallocate($img, 99, 102, 241);   // #6366f1
    $fg = imagecolorallocate($img, 255, 255, 255);
    imagefilledrectangle($img, 0, 0, $size, $size, $bg);

    $letter = 'A';
    $fontSize = (int) ($size * 0.55);
    // Use bundled GD font 5 (largest built-in) repeated.
    if (function_exists('imagettftext')) {
        $font = '/usr/share/fonts/truetype/dejavu/DejaVuSans-Bold.ttf';
        if (file_exists($font)) {
            $box = imagettfbbox($fontSize, 0, $font, $letter);
            $w = $box[2] - $box[0];
            $h = $box[1] - $box[7];
            $x = (int) (($size - $w) / 2);
            $y = (int) (($size + $h) / 2);
            imagettftext($img, $fontSize, 0, $x, $y, $fg, $font, $letter);
        }
    } else {
        // Fallback: built-in font
        $charW = imagefontwidth(5);
        $charH = imagefontheight(5);
        $scale = max(1, (int) ($size / 8));
        imagestring($img, 5, (int) (($size - $charW * $scale) / 2), (int) (($size - $charH * $scale) / 2), $letter, $fg);
    }

    ob_start();
    imagepng($img);
    $png = ob_get_clean();
    imagedestroy($img);

    return response($png, 200, [
        'Content-Type' => 'image/png',
        'Cache-Control' => 'public, max-age=86400',
    ]);
})->where('size', '\d+');

// Service worker pentru PWA central (necesar pentru prompt-ul de install).
// Header `Service-Worker-Allowed: /admin` permite SW-ului servit de la root
// să controleze scope-ul `/admin/*` (cerut de manifest).
Route::get('/admin-sw.js', function () {
    return response(<<<'JS'
        const CACHE = 'autocrm-admin-shell-v1';
        const SHELL = ['/admin-manifest.json'];
        self.addEventListener('install', e => {
            e.waitUntil(caches.open(CACHE).then(c => c.addAll(SHELL).catch(() => {})));
            self.skipWaiting();
        });
        self.addEventListener('activate', e => {
            e.waitUntil(caches.keys().then(keys =>
                Promise.all(keys.filter(k => k !== CACHE).map(k => caches.delete(k)))
            ));
            self.clients.claim();
        });
        self.addEventListener('fetch', e => {
            if (e.request.method !== 'GET') return;
            const u = new URL(e.request.url);
            if (u.pathname.startsWith('/build/') || u.pathname.startsWith('/pwa/')) {
                e.respondWith(caches.match(e.request).then(m => m || fetch(e.request).then(r => {
                    const copy = r.clone();
                    caches.open(CACHE).then(c => c.put(e.request, copy));
                    return r;
                }).catch(() => caches.match(e.request))));
            }
        });
        JS, 200, [
        'Content-Type' => 'application/javascript',
        'Cache-Control' => 'public, max-age=3600',
        'Service-Worker-Allowed' => '/',
    ]);
});

// PWA — manifest dinamic per tenant.
Route::get('/manifest.json', function (Request $request) {
    $tenant = app(TenantManager::class)->current();
    $name = $tenant?->display_name ?? $tenant?->name ?? 'AutoCRM';
    $themeColor = $tenant?->settings['theme_color'] ?? '#3B82F6';
    $shortName = $tenant?->slug ?? 'autocrm';

    return response()->json([
        'name' => $name,
        'short_name' => mb_substr($shortName, 0, 12),
        'description' => 'CRM autoservice — ' . $name,
        'start_url' => '/app',
        'display' => 'standalone',
        'orientation' => 'any',
        'background_color' => '#ffffff',
        'theme_color' => $themeColor,
        'lang' => $tenant?->settings['language'] ?? 'ro',
        'icons' => [
            ['src' => '/pwa/icon-192.png', 'sizes' => '192x192', 'type' => 'image/png'],
            ['src' => '/pwa/icon-512.png', 'sizes' => '512x512', 'type' => 'image/png'],
            ['src' => '/pwa/icon-maskable.png', 'sizes' => '512x512', 'type' => 'image/png', 'purpose' => 'maskable'],
        ],
    ])->header('Cache-Control', 'public, max-age=3600');
});

// Service worker stub — minimal cache for shell.
Route::get('/sw.js', function () {
    return response(<<<'JS'
        const CACHE = 'autocrm-shell-v1';
        const SHELL = ['/manifest.json'];
        self.addEventListener('install', e => {
            e.waitUntil(caches.open(CACHE).then(c => c.addAll(SHELL)));
        });
        self.addEventListener('activate', e => {
            e.waitUntil(caches.keys().then(keys =>
                Promise.all(keys.filter(k => k !== CACHE).map(k => caches.delete(k)))
            ));
        });
        self.addEventListener('fetch', e => {
            const u = new URL(e.request.url);
            if (e.request.method !== 'GET') return;
            // network-first for app routes; cache-first for static
            if (u.pathname.startsWith('/build/') || u.pathname.startsWith('/pwa/')) {
                e.respondWith(caches.match(e.request).then(m => m || fetch(e.request).then(r => {
                    const copy = r.clone();
                    caches.open(CACHE).then(c => c.put(e.request, copy));
                    return r;
                })));
            }
        });
        JS, 200, ['Content-Type' => 'application/javascript', 'Cache-Control' => 'public, max-age=3600']);
});