From 33d35d91e67a436925be481412252e3b11a82413 Mon Sep 17 00:00:00 2001
From: hexdev <me@killhexdev.ru>
Date: Mon, 17 Aug 2026 21:58:11 +0700
Subject: [PATCH] feat: unavailable addons support

---
 src/components/AddonList.tsx |  5 ++++-
 src/lib/format.test.ts       |  8 ++++----
 src/lib/format.ts            |  2 +-
 src/pages/PlanPage.test.tsx  | 21 +++++++++++++++++++--
 src/pages/PlanPage.tsx       |  3 ++-
 src/styles/components.css    | 14 ++++++++++++++
 src/types.ts                 |  1 +
 7 files changed, 45 insertions(+), 9 deletions(-)

diff --git a/src/components/AddonList.tsx b/src/components/AddonList.tsx
index 08782cb..f4d6ce4 100644
--- a/src/components/AddonList.tsx
+++ b/src/components/AddonList.tsx
@@ -19,18 +19,21 @@ export function AddonList({ addons, devices, selected, onToggle }: AddonListProp
       <div className="addon-list">
         {addons.map((a) => {
           const on = selected.includes(a.id);
+          const enabled = a.is_enabled;
           const price = addonPriceForDevices(a, devices);
           return (
             <button
               key={a.id}
               type="button"
-              className={`addon-row ${on ? 'is-selected' : ''}`.trim()}
+              className={`addon-row ${on ? 'is-selected' : ''} ${enabled ? '' : 'is-disabled'}`.trim()}
               aria-pressed={on}
+              disabled={!enabled}
               onClick={() => onToggle(a.id)}
             >
               <span className="addon-toggle" aria-hidden="true" />
               <span className="addon-info">
                 <span className="addon-name">{a.name}</span>
+                {!enabled && <span className="addon-status">Недоступно</span>}
               </span>
               <span className="addon-price">
                 {price === 0 ? 'Бесплатно' : <><span className="plus">+</span>{formatMoney(price)}</>}
diff --git a/src/lib/format.test.ts b/src/lib/format.test.ts
index 1c02b5f..91f081d 100644
--- a/src/lib/format.test.ts
+++ b/src/lib/format.test.ts
@@ -14,8 +14,8 @@ import type { AddonData, PricingPlans } from '../types';
 const pricing: PricingPlans = {
   device_price: 100,
   addons: [
-    { id: 'a', name: 'A', price: 50, free_threshold: -1 },
-    { id: 'b', name: 'B', price: 30, free_threshold: -1 },
+    { id: 'a', name: 'A', price: 50, free_threshold: -1, is_enabled: true },
+    { id: 'b', name: 'B', price: 30, free_threshold: -1, is_enabled: true },
   ],
 };
 
@@ -38,8 +38,8 @@ describe('sumAddonPrices', () => {
 
   it('makes addons free at their device threshold but keeps -1 paid', () => {
     const thresholdAddons: AddonData[] = [
-      { id: 'threshold', name: 'Threshold', price: 50, free_threshold: 6 },
-      { id: 'paid', name: 'Paid', price: 30, free_threshold: -1 },
+      { id: 'threshold', name: 'Threshold', price: 50, free_threshold: 6, is_enabled: true },
+      { id: 'paid', name: 'Paid', price: 30, free_threshold: -1, is_enabled: true },
     ];
 
     expect(sumAddonPrices(thresholdAddons, ['threshold', 'paid'], 5)).toBe(80);
diff --git a/src/lib/format.ts b/src/lib/format.ts
index ad576b0..4c5399e 100644
--- a/src/lib/format.ts
+++ b/src/lib/format.ts
@@ -84,7 +84,7 @@ export function sumAddonPrices(addons: AddonData[], selected: string[], devices:
   const addonById = new Map(addons.map((addon) => [addon.id, addon] as const));
   return selected.reduce<number>((sum, id) => {
     const addon = addonById.get(id);
-    return sum + (addon ? addonPriceForDevices(addon, devices) : 0);
+    return sum + (addon?.is_enabled ? addonPriceForDevices(addon, devices) : 0);
   }, 0);
 }
 
diff --git a/src/pages/PlanPage.test.tsx b/src/pages/PlanPage.test.tsx
index d083d57..1df87f7 100644
--- a/src/pages/PlanPage.test.tsx
+++ b/src/pages/PlanPage.test.tsx
@@ -43,8 +43,8 @@ function renderPlan(initialEntries: string[] = ['/plan']) {
 const PLANS = {
   device_price: 100,
   addons: [
-    { id: 'dedicated-ip', name: 'Dedicated IP', price: 50, free_threshold: -1 },
-    { id: 'multi-hop', name: 'Multi-Hop', price: 30, free_threshold: -1 },
+    { id: 'dedicated-ip', name: 'Dedicated IP', price: 50, free_threshold: -1, is_enabled: true },
+    { id: 'multi-hop', name: 'Multi-Hop', price: 30, free_threshold: -1, is_enabled: true },
   ],
 };
 
@@ -130,4 +130,21 @@ describe('PlanPage', () => {
     await waitFor(() => expect(api.checkout).toHaveBeenCalledOnce());
     expect(redirectTo).toHaveBeenCalledWith('https://pay.example/abc');
   });
+
+  it('does not allow selecting disabled addons', async () => {
+    vi.mocked(api.getPlans).mockResolvedValue({
+      ...PLANS,
+      addons: [
+        ...PLANS.addons,
+        { id: 'unavailable', name: 'Unavailable', price: 30, free_threshold: -1, is_enabled: false },
+      ],
+    });
+    const user = userEvent.setup();
+    renderPlan();
+
+    const addon = await screen.findByRole('button', { name: /Unavailable/i });
+    expect(addon).toBeDisabled();
+    await user.click(addon);
+    expect(addon).toHaveAttribute('aria-pressed', 'false');
+  });
 });
diff --git a/src/pages/PlanPage.tsx b/src/pages/PlanPage.tsx
index f1d9ada..d5a2ab0 100644
--- a/src/pages/PlanPage.tsx
+++ b/src/pages/PlanPage.tsx
@@ -37,7 +37,7 @@ export function PlanPage() {
 
   useEffect(() => {
     if (!plans) return;
-    const available = new Set(plans.addons.map((addon) => addon.id));
+    const available = new Set(plans.addons.filter((addon) => addon.is_enabled).map((addon) => addon.id));
     setSelectedAddons((current) => current.filter((addon) => available.has(addon)));
   }, [plans]);
 
@@ -63,6 +63,7 @@ export function PlanPage() {
   }, [plans, devices, selectedAddons, duration]);
 
   const toggleAddon = (id: string) => {
+    if (!plans?.addons.some((addon) => addon.id === id && addon.is_enabled)) return;
     setSelectedAddons((prev) => (prev.includes(id) ? prev.filter((x) => x !== id) : [...prev, id]));
   };
 
diff --git a/src/styles/components.css b/src/styles/components.css
index a0301f3..8aa9006 100644
--- a/src/styles/components.css
+++ b/src/styles/components.css
@@ -1209,6 +1209,14 @@
 .addon-row:hover {
   background: color-mix(in srgb, var(--surface) 82%, var(--fg) 4%);
 }
+.addon-row.is-disabled {
+  color: var(--fg-muted);
+  cursor: not-allowed;
+  opacity: 0.58;
+}
+.addon-row.is-disabled:hover {
+  background: var(--surface);
+}
 .addon-row.is-selected {
   background: color-mix(in srgb, var(--surface) 78%, var(--accent) 10%);
 }
@@ -1250,6 +1258,12 @@
   letter-spacing: -0.01em;
   color: var(--fg);
 }
+.addon-status {
+  color: var(--fg-muted);
+  font-size: 10px;
+  letter-spacing: 0.16em;
+  text-transform: uppercase;
+}
 .addon-price {
   font-family: var(--font-display);
   font-weight: 500;
diff --git a/src/types.ts b/src/types.ts
index 463dac5..fac0eeb 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -25,6 +25,7 @@ export interface AddonData {
   name: string;
   price: number;
   free_threshold: number;
+  is_enabled: boolean;
 }
 
 export interface PricingPlans {