---
- name: Deploy ML app container
  hosts: webservers
  become: yes

  vars_files:
    - group_vars/all.yml
    - group_vars/secrets.yml

  pre_tasks:
    - name: Verifica che Docker CLI sia disponibile
      ansible.builtin.command: docker --version
      register: docker_check
      changed_when: false
      failed_when: docker_check.rc != 0

    - name: Verifica che il servizio Docker sia in esecuzione
      ansible.builtin.service_facts:

    - name: Controlla stato Docker
      ansible.builtin.assert:
        that: ansible_facts.services['docker.service'].state == 'running'
        fail_msg: "Docker non e' in esecuzione sul host target"

  roles:
    - role: splash

  post_tasks:
    - name: Verifica che la porta applicativa sia in ascolto
      ansible.builtin.wait_for:
        host: 127.0.0.1
        port: "{{ app_port }}"
        timeout: 30
      when: enable_health_check | bool

    - name: Output finale
      ansible.builtin.debug:
        msg:
          - "Deploy completato"
          - "URL: http://{{ ansible_host }}:{{ app_port }}"
          - "Container: {{ container_name }}"
          - "Image: {{ container_image_ref }}"
          - "Digest atteso: sha256:6cc8ab7c08f195cb65c689255418652fdf0094acaaa4ef63475d594039cda2ab"