---
- name: Check if system reboot is required
  hosts: all
  become: yes
  become_user: root

  tasks:
    - name: Check if a reboot is required
      register: reboot
      ansible.builtin.stat:
        path: /var/run/reboot-required
    
    - name: Reboot machine
      ansible.builtin.reboot:
      when: reboot.stat.exists

    - name: Wait for systems to become reachable
      wait_for_connection:
        delay: 5
        timeout: 300
    
    - name: Add server to rebooted_servers list
      set_fact:
        rebooted_servers: "{{ ansible_hostname }}"
      when: reboot.stat.exists

    - name: Gather rebooted_servers list
      set_fact:
        rebooted_servers_all: "{{ hostvars|select('rebooted_servers is defined')|map(attribute='rebooted_servers')|list }}"
      run_once: true

    - name: Debug rebooted servers
      debug:
        var: rebooted_servers

    - name: Send Teams notification
      run_once: true
      uri:
        url: "{{ Teams_webhook }}"
        method: POST
        body: |
          {
            "title": "Playbook: {{ ansible_play_name }}",
            "text": "The following servers were rebooted: {{ rebooted_servers_all | join(', ') }}"
          }
        body_format: json
        headers:
          Content-Type: application/json
      when: rebooted_servers | length != 0