From bb6b045a2a10b2024e3ba7e170e75e5c9ed0ebbb Mon Sep 17 00:00:00 2001
From: Bastian Wagner <bastian.wagner@softconcis.de>
Date: Mon, 3 Aug 2026 16:04:31 +0200
Subject: [PATCH] feat: add CreateTeamDialog component

---
 .../create-team-dialog.spec.ts                | 72 +++++++++++++++++++
 .../create-team-dialog/create-team-dialog.ts  | 59 +++++++++++++++
 2 files changed, 131 insertions(+)
 create mode 100644 myteamwallet_frontend_modern/src/app/features/team-select/create-team-dialog/create-team-dialog.spec.ts
 create mode 100644 myteamwallet_frontend_modern/src/app/features/team-select/create-team-dialog/create-team-dialog.ts

diff --git a/myteamwallet_frontend_modern/src/app/features/team-select/create-team-dialog/create-team-dialog.spec.ts b/myteamwallet_frontend_modern/src/app/features/team-select/create-team-dialog/create-team-dialog.spec.ts
new file mode 100644
index 0000000..c5f6d85
--- /dev/null
+++ b/myteamwallet_frontend_modern/src/app/features/team-select/create-team-dialog/create-team-dialog.spec.ts
@@ -0,0 +1,72 @@
+import { TestBed } from '@angular/core/testing';
+import { provideHttpClient } from '@angular/common/http';
+import { HttpTestingController, provideHttpClientTesting } from '@angular/common/http/testing';
+import { MatDialogRef } from '@angular/material/dialog';
+import { CreateTeamDialog } from './create-team-dialog';
+import { environment } from '../../../../environments/environment';
+
+describe('CreateTeamDialog', () => {
+  let dialogRef: { close: ReturnType<typeof vi.fn> };
+  let httpMock: HttpTestingController;
+
+  beforeEach(async () => {
+    dialogRef = { close: vi.fn() };
+    await TestBed.configureTestingModule({
+      imports: [CreateTeamDialog],
+      providers: [
+        provideHttpClient(),
+        provideHttpClientTesting(),
+        { provide: MatDialogRef, useValue: dialogRef },
+      ],
+    }).compileComponents();
+    httpMock = TestBed.inject(HttpTestingController);
+  });
+
+  afterEach(() => {
+    httpMock.verify();
+  });
+
+  it('keeps the submit button disabled until a team name is entered', () => {
+    const fixture = TestBed.createComponent(CreateTeamDialog);
+    fixture.detectChanges();
+
+    expect(fixture.componentInstance['form'].invalid).toBe(true);
+
+    fixture.componentInstance['form'].controls.name.setValue('1. Herren');
+    expect(fixture.componentInstance['form'].invalid).toBe(false);
+  });
+
+  it('creates the team and closes the dialog with the created team', () => {
+    const fixture = TestBed.createComponent(CreateTeamDialog);
+    fixture.detectChanges();
+
+    fixture.componentInstance['form'].controls.name.setValue('1. Herren');
+    fixture.componentInstance['submit']();
+
+    const request = httpMock.expectOne(`${environment.apiUrl}teams`);
+    expect(request.request.body).toEqual({ name: '1. Herren' });
+    request.flush({ id: 9, name: '1. Herren', alias: 'a', balance: 0 });
+
+    expect(dialogRef.close).toHaveBeenCalledWith({
+      id: 9,
+      name: '1. Herren',
+      alias: 'a',
+      balance: 0,
+    });
+  });
+
+  it('re-enables the form and keeps the dialog open when the request fails', () => {
+    const fixture = TestBed.createComponent(CreateTeamDialog);
+    fixture.detectChanges();
+
+    fixture.componentInstance['form'].controls.name.setValue('1. Herren');
+    fixture.componentInstance['submit']();
+
+    httpMock
+      .expectOne(`${environment.apiUrl}teams`)
+      .flush('error', { status: 500, statusText: 'Server Error' });
+
+    expect(dialogRef.close).not.toHaveBeenCalled();
+    expect(fixture.componentInstance['saving']()).toBe(false);
+  });
+});
diff --git a/myteamwallet_frontend_modern/src/app/features/team-select/create-team-dialog/create-team-dialog.ts b/myteamwallet_frontend_modern/src/app/features/team-select/create-team-dialog/create-team-dialog.ts
new file mode 100644
index 0000000..a453f62
--- /dev/null
+++ b/myteamwallet_frontend_modern/src/app/features/team-select/create-team-dialog/create-team-dialog.ts
@@ -0,0 +1,59 @@
+import { Component, inject, signal } from '@angular/core';
+import { FormBuilder, ReactiveFormsModule, Validators } from '@angular/forms';
+import { MatButtonModule } from '@angular/material/button';
+import { MatDialogModule, MatDialogRef } from '@angular/material/dialog';
+import { MatFormFieldModule } from '@angular/material/form-field';
+import { MatInputModule } from '@angular/material/input';
+import { Team } from '../../../models/team.model';
+import { TeamsApi } from '../../../core/team/teams-api';
+
+@Component({
+  selector: 'app-create-team-dialog',
+  imports: [ReactiveFormsModule, MatButtonModule, MatDialogModule, MatFormFieldModule, MatInputModule],
+  template: `
+    <h2 mat-dialog-title>Team erstellen</h2>
+    <form [formGroup]="form" (ngSubmit)="submit()">
+      <mat-dialog-content>
+        <mat-form-field appearance="outline" class="full-width">
+          <mat-label>Teamname</mat-label>
+          <input matInput formControlName="name" />
+        </mat-form-field>
+      </mat-dialog-content>
+      <mat-dialog-actions align="end">
+        <button mat-button type="button" (click)="dialogRef.close()">Abbrechen</button>
+        <button mat-flat-button type="submit" [disabled]="form.invalid || saving()">
+          Erstellen
+        </button>
+      </mat-dialog-actions>
+    </form>
+  `,
+  styles: [
+    `
+      .full-width {
+        width: 100%;
+      }
+    `,
+  ],
+})
+export class CreateTeamDialog {
+  protected readonly dialogRef = inject(MatDialogRef<CreateTeamDialog, Team | undefined>);
+  private readonly formBuilder = inject(FormBuilder);
+  private readonly teamsApi = inject(TeamsApi);
+
+  protected readonly saving = signal(false);
+  protected readonly form = this.formBuilder.nonNullable.group({
+    name: ['', Validators.required],
+  });
+
+  protected submit(): void {
+    if (this.form.invalid || this.saving()) return;
+    this.saving.set(true);
+    this.teamsApi.createTeam(this.form.getRawValue()).subscribe({
+      next: (team) => {
+        this.saving.set(false);
+        this.dialogRef.close(team);
+      },
+      error: () => this.saving.set(false),
+    });
+  }
+}