fix: NCWF-1 401 (#6)

Co-authored-by: shahdlala66 <shahd.lala66@gmail.com>
Co-authored-by: Lala, Shahd <Shahd.Lala@sybit.de>
Reviewed-on: #6

src/app/pages/welcome/welcome.component.ts

@@ -67,6 +67,7 @@ export class WelcomeComponent implements OnInit, OnDestroy {
   showOptionsDialog = false;
   showJoinDialog = false;
   showImportDialog = false;
+  showChallengeDialog = false;
 
   gameIdInput = '';
   importMode: ImportMode = 'fen';
@@ -223,11 +224,21 @@ export class WelcomeComponent implements OnInit, OnDestroy {
   }
 
   startOneVsOne(): void {
-    if (!this.requireAuth(() => this.performStartOneVsOne())) {
+    if (!this.requireAuth(() => this.openChallengeDialog())) {
       return;
     }
 
-    this.performStartOneVsOne();
+    this.openChallengeDialog();
+  }
+
+  openChallengeDialog(): void {
+    this.closeAllDialogs();
+    this.showChallengeDialog = true;
+  }
+
+  closeChallengeDialog(): void {
+    this.showChallengeDialog = false;
+    this.errorMessage = '';
   }
 
   startVsBot(difficulty: Difficulty): void {
@@ -352,28 +363,6 @@ export class WelcomeComponent implements OnInit, OnDestroy {
     action();
   }
 
-  private performStartOneVsOne(): void {
-    if (this.creating) {
-      return;
-    }
-
-    this.errorMessage = '';
-    this.creating = true;
-
-    this.gameApi
-      .createGame()
-      .pipe(finalize(() => (this.creating = false)))
-      .subscribe({
-        next: (game) => {
-          void this.router.navigate(['/game', game.gameId], {
-            state: { theme: this.isSunsetMode ? 'light' : 'dark' }
-          });
-        },
-        error: (error) => {
-          this.errorMessage = getErrorMessage(error, 'Unable to create a game.');
-        }
-      });
-  }
 
   private performStartVsBot(difficulty: Difficulty): void {
     if (this.creating) {