StayAI — AI Hotel Booking Flutter App with Firebase Backend Admin Panel

Three apps. One codebase. Zero hosting bills. StayAI is a premium Flutter source-code product that lets you launch a branded hotel booking and discovery platform on iPhone, Android, and the web — and start earning Booking.com affiliate commissions on day one.

What you get

• Customer app — Flutter for iPhone + Android from one codebase.
• Admin panel — Flutter Web dashboard for content curation, user management, push composer, and AI configuration.
• ☁️ Cloud backend — Firebase project with Auth, Firestore, Cloud Functions (Node 22), Storage, Remote Config, FCM, Analytics, Crashlytics, App Check.

Hotel discovery

• Curated featured-hotel rails on home + map view with brand-tinted dark Google Maps style.
• Hotel detail with photo gallery (Hero transition), AI review summary, “Plan trip” date picker, favorite, share, Book on Booking.com.
• Favorites with user-created folders, swipe-to-delete + undo.
• Destination autocomplete proxy via Cloud Functions (no client-side tokens).

AI travel intelligence

• Conversational AI Travel Assistant with streaming responses, 20-message memory, and context awareness (current search, favorites, home city).
• AI hotel recommendations — personalized 5-hotel suggestions ranked from your search history.
• AI review summaries — pros/cons/sentiment JSON, cached 7 days per hotel.
• Dual-provider failover: OpenAI (GPT-4o family) + Google Gemini (2.5 Pro / Flash), switchable from Remote Config without redeploy.
• Built-in rate limits (Free 10/day · Pro 200/day) backed by per-user daily counters.

Affiliate revenue

• Booking.com Affiliate Partner Program — free signup, up to 40% of Booking’s margin per completed stay.
• Travelpayouts (Hotellook) — free signup, 50–70% of network commission.
• Hotelbeds APITUDE support — optional, gated behind an admin toggle for buyers with a contract.
• Affiliate clicks are server-only writes; admin can audit them in the dashboard.
• FTC + Apple/Google compliant disclosure on first launch and in Settings → About.

Admin panel

• Dashboard with KPI tiles (users, AI queries, affiliate clicks, estimated commissions) and a recent-clicks table.
• Full CRUD for featured hotels (with reference price for the price-drop watcher), featured destinations, and promotions.
• User management: paginated table, email search, role assignment, disable, GDPR delete.
• AI console: per-feature system-prompt editor, model picker, rate-limit knobs, in-page playground.
• Push composer: title, body, image, segment, deep link, schedule, with a live broadcast log.
• App settings editor: currencies, languages, force-update floors, maintenance mode, Booking affiliate ID.

Notifications

• Manual broadcasts via the admin push composer (immediate or scheduled).
• Automatic price-drop alerts every 6h — diffs the saved-price snapshot against the hotel’s current reference price; fires FCM on ≥ 8% drops.
• Automatic trip reminders at T-3, T-1, and T-0 for favorites with check-in dates.
• Per-user opt-in (deals, price drops, blog, trip reminders) via Settings → Notification preferences.
• FCM token registration handles APNs token race + simulator fallbacks; tap routing handles cold-start, background, and foreground.

Brand customization

• One-file rebrand — every color, radius, and spacing unit reads from tokens.dart.
• Launcher icons fan out to iOS + Android from one 1024×1024 source PNG via the bundled flutter_launcher_icons config.
• Splash screens via flutter_native_splash with brand color + transparent-background logo.
• Bundled brand-asset generator (Dart tool) emits placeholder monogram art if you don’t have artwork yet.
• Web manifest, themes, and favicons rebrand alongside the apps.

Security & compliance

• Production-ready Firestore rules — server-only writes for affiliate clicks; owner-only writes for favorites/searches/AI chats; admin-only writes for featured content + appSettings.
• App Check ready (off by default for development; flip the flag before submission).
• App Store §5.1.1 compliant in-app account deletion (with a Cloud Function fanout across owned subcollections).
• COPPA 13+ self-attested age gate on email signup.
• FTC affiliate disclosure modal on first launch.
• Force-update gate + maintenance-mode gate that wrap the entire router.
• Anonymous-account merge — when guest users upgrade into an existing credential, their favorites/searches/AI chats are migrated to the real account before the anon record is dropped.