Toast

export class CustomDuration {
  constructor(private toast: ToastService) {}

  showShortToast() {
    this.toast.show('Quick message', {
      duration: 1000 // 1 second
    });
  }

  showLongToast() {
    this.toast.show('Important message', {
      duration: 10000 // 10 seconds
    });
  }

  showPersistentToast() {
    this.toast.show('Manual dismiss required', {
      duration: 0 // Won't auto-dismiss
    });
  }
}

export class ToastPositions {
  constructor(private toast: ToastService) {}

  showTopRight() {
    this.toast.success('Top right position', {
      position: 'top-right'
    });
  }

  showTopCenter() {
    this.toast.info('Top center position', {
      position: 'top-center'
    });
  }

  showBottomLeft() {
    this.toast.warning('Bottom left position', {
      position: 'bottom-left'
    });
  }
}

export class ToastWithActions {
  constructor(
    private toast: ToastService,
    private router: Router
  ) {}

  showWithAction() {
    this.toast.info('You have a new message', {
      action: {
        label: 'View',
        onClick: () => this.router.navigate(['/messages'])
      }
    });
  }

  showUndoAction() {
    const item = { id: 1, name: 'Item' };
    
    this.toast.warning(`${item.name} deleted`, {
      duration: 5000,
      action: {
        label: 'Undo',
        onClick: () => this.undoDelete(item)
      }
    });
    
    this.deleteItem(item);
  }

  deleteItem(item: any) {
    // Delete logic
  }

  undoDelete(item: any) {
    // Restore logic
  }
}

export class FormSubmission {
  constructor(private toast: ToastService) {}

  async onSubmit(formData: any) {
    try {
      await this.api.submitForm(formData);
      this.toast.success('Form submitted successfully!');
    } catch (error) {
      this.toast.error('Failed to submit form. Please try again.');
    }
  }
}

export class FileUploadToasts {
  constructor(private toast: ToastService) {}

  async uploadFiles(files: File[]) {
    for (const file of files) {
      try {
        await this.uploadFile(file);
        this.toast.success(`${file.name} uploaded successfully`);
      } catch (error) {
        this.toast.error(`Failed to upload ${file.name}`, {
          duration: 5000,
          action: {
            label: 'Retry',
            onClick: () => this.uploadFile(file)
          }
        });
      }
    }
  }

  async uploadFile(file: File) {
    // Upload implementation
  }
}

export class NetworkToasts implements OnInit {
  constructor(private toast: ToastService) {}

  ngOnInit() {
    window.addEventListener('online', () => {
      this.toast.success('Connection restored');
    });

    window.addEventListener('offline', () => {
      this.toast.warning('No internet connection', {
        duration: 0,
        dismissible: false
      });
    });
  }
}