---
- name: Check if system reboot is required
  hosts: all
  become: yes
  become_method: sudo

  tasks:
    - name: Check if a reboot is required
      register: reboot
      ansible.builtin.stat:
        path: /var/run/reboot-required
    
    - name: Reboot machine
      command: /sbin/reboot now
      poll: 0
      when: reboot.stat.exists

    - name: Pause for 15 seconds
      ansible.builtin.pause:
        seconds: 15  
      when: reboot.stat.exists

    - name: Wait for systems to become reachable
      wait_for_connection:
    
    - name: Gather server information
      set_fact:
        server_info: "{{ { 'server': inventory_hostname, 'rebooted': reboot.stat.exists } }}"

    - name: Create a list of server information
      set_fact:
        server_list: "{{ server_list | default([]) + [server_info] }}"

    - name: Send Teams notification
      run_once: true
      uri:
        url: "{{ Teams_webhook }}"
        method: POST
        body: |
          {
            "title": "Playbook: {{ ansible_play_name }}",
            "text": "All servers were checked and rebooted where needed.",
            "sections": [
              {
                "activityTitle": "Server Reboot Status",
                "facts": [
                  {
                    "name": "Server",
                    "value": "{{ server_list | map(attribute='server') | join(', ') }}"
                  },
                  {
                    "name": "Rebooted",
                    "value": "{{ server_list | map(attribute='rebooted') | map('string') | join(', ') }}"
                  }
                ],
                "markdown": true
              }
            ]
          }
        body_format: json
        headers:
          Content-Type: application/json
      when: reboot.stat.exists or not reboot.stat.exists