- hosts: all
  vars:
    os_update_major_version: true # Can either be true or false | To toggle if systems need to be upgraded to newer codename
    os_update_version_codename: "trixie" # Change to switch major release (e.g. bookworm or trixie) | Used for jinja2 Template fill in as it determines the current codename of system where ansible is run on
    snapshot_name: "AUTO_before_major_{{ ansible_date_time.date }}" # Name of the snapshot to be created before major upgrade
  vars_files:
  # Load vault file for sensitive data like Proxmox API tokens
  - ../vault.yml
  tasks:
    - name: Verify if system is Debian
      debug:
        msg: "This playbook is running on a Debian system."
      when: ansible_os_family == "Debian"

    - name: Stop playbook if system is not Debian
      fail:
        msg: "This playbook only supports Debian."
      when: ansible_os_family != "Debian"

    - name: Read /etc/os-release
      ansible.builtin.slurp:
        src: /etc/os-release
      register: os_release
      when: ansible_os_family == "Debian"

    - name: Extract current codename
      ansible.builtin.set_fact:
        current_os_codename: >-
          {{ (os_release.content | b64decode).splitlines()
             | select('match','^VERSION_CODENAME=')
             | list | first | regex_replace('^VERSION_CODENAME=', '') | lower }}
      when: ansible_os_family == "Debian"

    - name: Show current and target codenames
      debug:
        msg: "Current codename: {{ current_os_codename }}, Target codename: {{ os_update_version_codename | lower }}"
      when: ansible_os_family == "Debian"

    - name: Include Proxmox Info task
      ansible.builtin.include_role:
        name: proxmox-automation
        tasks_from: get-vmid
      when:
        - ansible_os_family == "Debian"
        - current_os_codename | lower != os_update_version_codename | lower

    - name: Create Snapshot before Modifications
      ansible.builtin.include_role:
        name: proxmox-automation
        tasks_from: create-snapshots
      when:
        - ansible_os_family == "Debian"
        - current_os_codename | lower != os_update_version_codename | lower

    - name: Include OS update role
      ansible.builtin.include_role:
        name: os-updates
        tasks_from: update_major_version
      when:
        - ansible_os_family == "Debian"
        - current_os_codename | lower != os_update_version_codename | lower

    - name: Check if system is back online after reboot
      ansible.builtin.wait_for_connection:
        delay: 10
        timeout: 300
      when:
        - ansible_os_family == "Debian"
        - current_os_codename | lower != os_update_version_codename | lower