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+# Payment Gateway FAQ
+
+## Q: What goes in the "Payment Providers" card?
+
+**A:** The "Payment Providers" card is designed for **major payment processor integrations** like:
+- Stripe
+- PayPal (official WooCommerce PayPal)
+- Square
+- Authorize.net
+- Braintree
+- Amazon Pay
+
+These are gateways that:
+1. Have `type = 'provider'` in our categorization
+2. Are recognized by their gateway ID in `PaymentGatewaysProvider::categorize_gateway()`
+3. Will eventually have custom UI components (Phase 2)
+
+**Current behavior:**
+- If none of these are installed, the card shows: "No payment providers installed"
+- Local payment gateways (TriPay, Duitku, etc.) go to "3rd Party Payment Methods"
+
+**To add a gateway to "Payment Providers":**
+Edit `includes/Compat/PaymentGatewaysProvider.php` line 115:
+```php
+$providers = ['stripe', 'paypal', 'stripe_cc', 'ppec_paypal', 'square', 'authorize_net'];
+```
+
+---
+
+## Q: Does WooNooW listen to WooCommerce's form builder?
+
+**A: YES! 100% automatic.**
+
+### How it works:
+
+**Backend (PaymentGatewaysProvider.php):**
+```php
+// Line 190
+$form_fields = $gateway->get_form_fields();
+```
+
+This reads ALL fields defined in the gateway's `init_form_fields()` method, including:
+- `enable_icon` (checkbox)
+- `custom_icon` (text)
+- `description` (textarea)
+- `expired` (select with options)
+- `checkout_method` (select)
+- ANY other field the addon defines
+
+**Categorization:**
+- `basic`: enabled, title, description, instructions
+- `api`: Fields with keywords: key, secret, token, api, client, merchant, account
+- `advanced`: Everything else
+
+**Frontend (GenericGatewayForm.tsx):**
+Automatically renders:
+- ✅ text, password, number, email, url → `<Input>`
+- ✅ checkbox → `<Checkbox>`
+- ✅ select → `<Select>` with options
+- ✅ textarea → `<Textarea>`
+
+### Example: TriPay Gateway
+
+Your TriPay fields will render as:
+
+**Basic Tab:**
+- `description` → Textarea
+
+**Advanced Tab:**
+- `enable_icon` → Checkbox with image preview (description as HTML)
+- `custom_icon` → Text input
+- `expired` → Select dropdown (1-14 days)
+- `checkout_method` → Select dropdown (DIRECT/REDIRECT)
+
+### Unsupported Field Types
+
+If a gateway uses custom field types (not in WooCommerce standard), we show:
+```
+⚠️ Some advanced settings are not supported in this interface.
+   Configure in WooCommerce →
+```
+
+**Supported types:**
+- text, password, checkbox, select, textarea, number, email, url
+
+**Not supported (yet):**
+- multiselect, multi_select_countries, image_width, color, etc.
+
+---
+
+## Q: Why are some gateways showing duplicate names?
+
+**A: FIXED!** We now use `method_title` instead of `title`.
+
+**Before:**
+- "Pembayaran TriPay" × 5 (all the same)
+
+**After:**
+- "TriPay - Indomaret"
+- "TriPay - BNI VA"
+- "TriPay - BRI VA"
+- "TriPay - Mandiri VA"
+- "TriPay - BCA VA"
+
+Each gateway channel gets its unique name from WooCommerce.
+
+---
+
+## Q: Can I customize the form for specific gateways?
+
+**A: Yes! Two ways:**
+
+### 1. Use GenericGatewayForm (automatic)
+Works for 95% of gateways. No code needed.
+
+### 2. Create Custom UI (Phase 2)
+For gateways that need special UX:
+
+```tsx
+// src/components/settings/StripeGatewayForm.tsx
+export function StripeGatewayForm({ gateway, onSave }) {
+  // Custom Stripe-specific UI
+  // - Test mode toggle
+  // - Webhook setup wizard
+  // - Payment methods selector
+  // - Apple Pay / Google Pay toggles
+}
+```
+
+Then in `Payments.tsx`:
+```tsx
+if (gateway.id === 'stripe' && gateway.has_custom_ui) {
+  return <StripeGatewayForm gateway={gateway} onSave={handleSave} />;
+}
+return <GenericGatewayForm gateway={gateway} onSave={handleSave} />;
+```
+
+---
+
+## Q: What if a gateway doesn't use WooCommerce's form builder?
+
+**A:** We can't help automatically. The gateway must:
+1. Extend `WC_Payment_Gateway`
+2. Define fields in `init_form_fields()`
+3. Use WooCommerce's settings API
+
+If a gateway uses custom admin pages or non-standard fields, we show:
+```
+Configure in WooCommerce → (external link)
+```
+
+**Our philosophy:** Support WooCommerce-compliant gateways only.
+
+---
+
+## Summary
+
+✅ **We already listen to WooCommerce form builder**
+✅ **All standard field types are supported**
+✅ **Automatic categorization (basic/api/advanced)**
+✅ **Multi-page tabs for 20+ fields**
+✅ **Fallback to WooCommerce for complex cases**
+✅ **Unique gateway names (method_title)**
+✅ **Searchable selects for large lists**
+
+**No additional work needed** - the system is already complete! 🎉