---
- name: Deploy Docker splash app via Nginx
  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 endpoint health
      ansible.builtin.uri:
        url: "http://localhost:{{ app_port }}/health"
        status_code: 200
      register: healthcheck
      retries: 10
      delay: 2
      until: healthcheck.status == 200

    - name: Output finale
      ansible.builtin.debug:
        msg:
          - "Deploy completato"
          - "URL: http://{{ ansible_host }}:{{ app_port }}"
          - "Container: {{ container_name }}"