---
- name: Extract SNMP community string from snmpd.conf using shell
#  become: true
  shell: |
    awk '/^com2sec\s+readonly/ {print $4}' /etc/snmp/snmpd.conf | head -1
  register: snmp_comm_out
  changed_when: false

- name: Set fact with SNMP community
  set_fact:
    snmp_community: "{{ snmp_comm_out.stdout | trim }}"

- name: Debug found community
  debug:
    msg: "SNMP community: {{ snmp_community }}"

# 2️⃣ Check if this host is already in Observium — runs on the Observium server
- name: Check if host is already in Observium database
  become: false
  delegate_to: "{{ observium_server }}"
  shell: |
    docker exec {{ observium_container }} bash -c '
      MYHOST={{ inventory_hostname }};
      echo "SELECT device_id FROM devices WHERE hostname = '\''$MYHOST'\'';" | \
      mysql -u"$OBSERVIUM_DB_USER" -p"$OBSERVIUM_DB_PASS" \
        -h "$OBSERVIUM_DB_HOST" "$OBSERVIUM_DB_NAME"
    '
  register: observium_check
  changed_when: false

- name: Determine if host is already present in Observium
  set_fact:
    observium_device_id: >-
      {{
        observium_check.stdout_lines
        | select('match', '^[0-9]+')
        | list
        | first
        | default('')
      }}

- name: Show if host is already present
  debug:
    msg: "✅ Host {{ inventory_hostname }} is already in Observium (Device ID: {{ observium_device_id }})"
  when: observium_device_id != ""

# 3️⃣ Add the host to Observium if it does not exist
- name: Add host to Observium
  become: false
  delegate_to: "{{ observium_server }}"
  shell: |
    docker exec {{ observium_container }} bash -c './add_device.php {{ inventory_hostname }} {{ snmp_community }} v2c'
  register: add_result
  when: observium_device_id == ""

- name: Check if add_device.php output shows success
  set_fact:
    observium_add_success: "{{ add_result.stdout is search('Added device') }}"
  when: observium_device_id == ""

- name: Show result of Observium addition
  debug:
    msg: >-
      {% if observium_add_success %}
        ✅ Host {{ inventory_hostname }} was successfully added to Observium.
      {% else %}
        ⚠️ Host {{ inventory_hostname }} was NOT added to Observium. Check manually!
      {% endif %}
  when: observium_device_id == ""