--- 

- name: Set default OS template
  ansible.builtin.set_fact:
    guest_os_template: "debian-13"

- name: Prompt for OS template with immediate validation
  ansible.builtin.pause:
    prompt: "Choose OS template, available: debian-13, alpine [debian-13]"
  register: os_template_result
  until: >
    os_template_result.user_input | length == 0 or
    (
      os_template_result.user_input in ['debian-13', 'alpine'] 
    )
  retries: 2
  delay: 0

- name: Use user input only if provided, otherwise keep the default
  ansible.builtin.set_fact:
    guest_os_template: "{{ os_template_result.user_input }}"
  when: os_template_result.user_input | length > 0