- name: Block variables de système d'exploitation
  vars:
    _distribution_lts_offset: >-
      {{
        ansible_facts['distribution_major_version'] | int % 2
        if ansible_facts['distribution'] == "Ubuntu"
        else 0
      }}
    _distribution_lts_version: >-
      {{
        ansible_facts['distribution_major_version'] | int -
        _distribution_lts_offset | int
        if ansible_facts['distribution'] == "Ubuntu"
        else ansible_facts['distribution_version']
      }}
    params:
      files:
        - "{{ ansible_facts['distribution'] }}_{{ _distribution_lts_version }}.yml"
        - "{{ ansible_facts['distribution'] }}_{{ ansible_facts['distribution_major_version'] }}.yml"
        - "{{ ansible_facts['os_family'] }}_{{ ansible_facts['distribution_major_version'] }}.yml"
        - "{{ ansible_facts['distribution'] }}.yml"
        - "{{ ansible_facts['os_family'] }}.yml"
        - main.yml  # fallback, vars/main.yml is always loaded by Ansible
      paths:
        - "{{ role_path }}/vars"
        - "{{ playbook_dir }}/vars"
  block:
    - name: Affiche variables
      ansible.builtin.debug:
        msg: |
          Recherche de fichier de variables dans :
          {{ params | to_yaml }}
    - debug:
        msg: "Utilise {{ lookup('first_found', params) }}"
    - name: Charge variables
      ansible.builtin.include_vars: "{{ lookup('first_found', params) }}"