api settings

src/app/pages/fastcheck-page/fastcheck-page.html

@@ -11,6 +11,10 @@
 
     <div class="card__body">
 
+      <!-- @if (settingsError()) {
+        <p class="field__hint" role="status">{{ settingsError() }}</p>
+      } -->
+
       <!-- Fastcheck number + new -->
       <div class="field">
         <label class="field__label" for="fcNumber">

src/app/pages/fastcheck-page/fastcheck-page.ts

@@ -2,7 +2,7 @@
 import { FormsModule } from '@angular/forms';
 import { HttpClient } from '@angular/common/http';
 import { FastcheckService } from '../../fastcheck.service';
-import { FASTCHECK_API } from '../../api';
+import { FASTCHECK_API, QR_VITANOVA_API } from '../../api';
 import { TranslatePipe } from '../../translate/translate.pipe';
 import { TranslationService } from '../../translate/translation.service';
 
@@ -26,6 +26,27 @@ interface CheckFastcheckResponse {
   firetransactionID: string;
 }
 
+/**
+ * Response of GET /api/settings?id=<partnerId>.
+ * Shape is defensive — backend may include min/max limits and/or an
+ * already-active fastcheck (or QR) for this partner so the page can autofill.
+ */
+interface SettingsResponse {
+  minAmount?: number;
+  maxAmount?: number;
+  // Possible active fastcheck data — backend may use different casing.
+  fastcheck?: string;
+  fastcheckNumber?: string;
+  code?: string;
+  amount?: number;
+  note?: string;
+  status?: string;
+  // QR-side info (not rendered on this page yet, but accepted for future use).
+  qrId?: string;
+  qrUrl?: string;
+  payload?: string;
+}
+
 @Component({
   selector: 'app-fastcheck-page',
   imports: [FormsModule, TranslatePipe],
@@ -58,6 +79,10 @@ export class FastcheckPage {
     return `https://qr.vitanova.network/?id=${encodeURIComponent(id)}`;
   });
 
+  // Non-blocking settings hint shown above the form when /settings fails.
+  settingsError = signal<string>('');
+  settingsLoaded = signal<boolean>(false);
+
   popupOpen = signal<boolean>(false);
   popupLoading = signal<boolean>(false);
   popupError = signal<string>('');
@@ -120,6 +145,75 @@ export class FastcheckPage {
       this.fastcheckNumber.set(masked);
       if (digits.length === 18) this.lookupFastcheck(masked);
     }
+
+    // Always call settings on each load — may return active check data to autofill.
+    this.loadSettings(!!created || !!iidParam);
+  }
+
+  /**
+   * GET /api/settings?id=<partnerId>. Idempotent — applies response to the
+   * current UI without creating any new check. Errors are non-blocking.
+   *
+   * @param alreadyAutofilled - true when constructor already populated the form
+   *   from nav state / iid; in that case settings must not overwrite it.
+   */
+  private loadSettings(alreadyAutofilled: boolean): void {
+    const id = this.partnerId();
+    if (!id) {
+      this.settingsError.set(this.t('errors.settings_missing_id'));
+      this.settingsLoaded.set(true);
+      return;
+    }
+
+    const url = `${QR_VITANOVA_API}/settings?id=${encodeURIComponent(id)}`;
+    this.http.get<SettingsResponse>(url).subscribe({
+      next: (res) => {
+        this.settingsLoaded.set(true);
+        this.settingsError.set('');
+        this.applySettings(res ?? {}, alreadyAutofilled);
+      },
+      error: () => {
+        // Non-blocking: keep manual mode available.
+        this.settingsLoaded.set(true);
+        this.settingsError.set(this.t('errors.settings_failed'));
+      }
+    });
+  }
+
+  /** Apply settings response to UI state without creating any new check. */
+  private applySettings(res: SettingsResponse, alreadyAutofilled: boolean): void {
+    // Active check autofill — only if user hasn't already got data on screen.
+    if (alreadyAutofilled) return;
+
+    const rawNumber = res.fastcheck ?? res.fastcheckNumber ?? '';
+    if (rawNumber) {
+      const digits = String(rawNumber).replace(/\D/g, '').slice(0, 18);
+      if (digits.length > 0) {
+        const groups: string[] = [];
+        for (let i = 0; i < digits.length; i += 6) groups.push(digits.slice(i, i + 6));
+        this.fastcheckNumber.set(groups.join('-'));
+        if (digits.length === 18) {
+          // Trigger the regular lookup so amount/code-enabled stay consistent.
+          this.lookupFastcheck(groups.join('-'));
+        }
+      }
+    }
+
+    if (typeof res.amount === 'number') {
+      this.fastcheckAmount.set(res.amount);
+    }
+
+    if (typeof res.code === 'string' && res.code) {
+      const codeDigits = res.code.replace(/\D/g, '').slice(0, 6);
+      this.fastcheckCode.set(codeDigits);
+      this.codeEnabled.set(true);
+    }
+
+    // Final statuses end the flow — no polling, no new requests.
+    const status = (res.status ?? '').toUpperCase();
+    if (status === 'COMPLETED' || status === 'APPROVED') {
+      this.paid.set(true);
+    }
   }
 
   pay(): void {