From 679e404dc8a45b8174e34f2628054296840cf859 Mon Sep 17 00:00:00 2001
From: sdarbinyan <sdarbinyan@4pay.com>
Date: Tue, 5 May 2026 11:23:07 +0400
Subject: [PATCH] removed default

Co-authored-by: Copilot <copilot@github.com>
---
 src/app/fastcheck.service.ts                  |  2 +-
 src/app/pages/create-page/create-page.ts      | 16 +++----
 .../pages/fastcheck-page/fastcheck-page.html  | 42 +++++++++----------
 .../pages/fastcheck-page/fastcheck-page.scss  |  6 +++
 4 files changed, 36 insertions(+), 30 deletions(-)

diff --git a/src/app/fastcheck.service.ts b/src/app/fastcheck.service.ts
index 8e7d199..3257096 100644
--- a/src/app/fastcheck.service.ts
+++ b/src/app/fastcheck.service.ts
@@ -2,7 +2,7 @@
 
 export interface FastcheckData {
   fastcheck: string;
-  amount: number;
+  amount: number | null;
   code: string;
   expiration?: string;
 }
diff --git a/src/app/pages/create-page/create-page.ts b/src/app/pages/create-page/create-page.ts
index cf40a2d..a5ce708 100644
--- a/src/app/pages/create-page/create-page.ts
+++ b/src/app/pages/create-page/create-page.ts
@@ -66,7 +66,7 @@ export class CreatePage {
   minAmount = signal<number>(30);
   maxAmount = signal<number>(200_000);
 
-  amount = signal<number>(100);
+  amount = signal<number | null>(null);
   note = signal<string>('');
   error = signal<string>('');
   loading = signal<boolean>(false);
@@ -122,11 +122,11 @@ export class CreatePage {
 
   createCheck(): void {
     const val = this.amount();
-    if (!val || val < this.minAmount()) {
+    if (val !== null && val < this.minAmount()) {
       this.error.set(`${this.t('errors.invalid_amount')} (мин. ${this.minAmount()} ₽)`);
       return;
     }
-    if (val > this.maxAmount()) {
+    if (val !== null && val > this.maxAmount()) {
       this.error.set(`${this.t('errors.invalid_amount')} (макс. ${this.maxAmount().toLocaleString('ru')} ₽)`);
       return;
     }
@@ -145,7 +145,7 @@ export class CreatePage {
         `${QR_VITANOVA_API}/qr`,
         {
           qrtype: 'QRDynamic',
-          amount: val,
+          ...(val !== null ? { amount: val } : {}),
           currency: this.currency(),
           partnerqrID,
           qrDescription: this.note().trim(),
@@ -225,7 +225,7 @@ export class CreatePage {
             this.store.setCreated({
               fastcheck: res.fastcheck,
               code: res.code,
-              amount: this.amount(),
+              amount: this.amount() ?? null,
               expiration: res.expiration
             });
           }
@@ -235,9 +235,9 @@ export class CreatePage {
       });
   }
 
-  onAmountChange(value: number): void {
-    this.amount.set(value);
-    if (value > 0) this.error.set('');
+  onAmountChange(value: number | null): void {
+    this.amount.set(value || null);
+    if (value && value > 0) this.error.set('');
   }
 
   onNoteChange(value: string): void {
diff --git a/src/app/pages/fastcheck-page/fastcheck-page.html b/src/app/pages/fastcheck-page/fastcheck-page.html
index 353f70d..d010e7f 100644
--- a/src/app/pages/fastcheck-page/fastcheck-page.html
+++ b/src/app/pages/fastcheck-page/fastcheck-page.html
@@ -55,27 +55,27 @@
         }
       </div>
 
-      <!-- Share row — shown once amount is known -->
-      @if (fastcheckAmount() !== null && !amountLoading()) {
-        <div class="share-row">
-          <button type="button" class="share-btn share-btn--email" (click)="shareByEmail()"
-                  [title]="'fastcheck.share_email' | translate">
-            <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor"
-                 stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
-              <rect x="2" y="4" width="20" height="16" rx="2"/>
-              <path d="M2 7l10 7 10-7"/>
-            </svg>
-            {{ 'fastcheck.share_email' | translate }}
-          </button>
-          <button type="button" class="share-btn share-btn--tg" (click)="shareByTelegram()"
-                  [title]="'fastcheck.share_tg' | translate">
-            <svg width="16" height="16" viewBox="0 0 24 24" fill="currentColor">
-              <path d="M9.04 15.65l-.36 4.06c.51 0 .73-.22.99-.48l2.38-2.27 4.93 3.6c.9.5 1.55.24 1.79-.83l3.24-15.18h.01c.29-1.34-.48-1.86-1.36-1.54L1.13 9.66c-1.32.5-1.3 1.23-.22 1.56l4.92 1.53L17.27 5.6c.54-.34 1.03-.15.62.19"/>
-            </svg>
-            {{ 'fastcheck.share_tg' | translate }}
-          </button>
-        </div>
-      }
+      <!-- Share row — always visible, enabled once amount is known -->
+      <div class="share-row">
+        <button type="button" class="share-btn share-btn--email" (click)="shareByEmail()"
+                [disabled]="fastcheckAmount() === null || amountLoading()"
+                [title]="'fastcheck.share_email' | translate">
+          <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor"
+               stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
+            <rect x="2" y="4" width="20" height="16" rx="2"/>
+            <path d="M2 7l10 7 10-7"/>
+          </svg>
+          {{ 'fastcheck.share_email' | translate }}
+        </button>
+        <button type="button" class="share-btn share-btn--tg" (click)="shareByTelegram()"
+                [disabled]="fastcheckAmount() === null || amountLoading()"
+                [title]="'fastcheck.share_tg' | translate">
+          <svg width="16" height="16" viewBox="0 0 24 24" fill="currentColor">
+            <path d="M9.04 15.65l-.36 4.06c.51 0 .73-.22.99-.48l2.38-2.27 4.93 3.6c.9.5 1.55.24 1.79-.83l3.24-15.18h.01c.29-1.34-.48-1.86-1.36-1.54L1.13 9.66c-1.32.5-1.3 1.23-.22 1.56l4.92 1.53L17.27 5.6c.54-.34 1.03-.15.62.19"/>
+          </svg>
+          {{ 'fastcheck.share_tg' | translate }}
+        </button>
+      </div>
 
       <!-- Code -->
       <div class="field">
diff --git a/src/app/pages/fastcheck-page/fastcheck-page.scss b/src/app/pages/fastcheck-page/fastcheck-page.scss
index 0dad22d..eec9b8e 100644
--- a/src/app/pages/fastcheck-page/fastcheck-page.scss
+++ b/src/app/pages/fastcheck-page/fastcheck-page.scss
@@ -40,6 +40,12 @@
     border-color: #bfdbfe;
     &:hover { background: #dbeafe; border-color: #93c5fd; }
   }
+
+  &:disabled {
+    opacity: .4;
+    cursor: not-allowed;
+    pointer-events: none;
+  }
 }
 
 .btn {