---
# Install tasks
- name: Resolve supported Ubuntu version for Zabbix repository
  ansible.builtin.set_fact:
    zabbix_ubuntu_repo_version: "{{ ansible_distribution_version if ansible_distribution_version is version('25.00', '<') else '24.04' }}"
  when: zabbix_state == 'present'

- name: Download Zabbix repository package
  ansible.builtin.get_url:
    url: "https://repo.zabbix.com/zabbix/{{ zabbix_version }}/ubuntu/pool/main/z/zabbix-release/zabbix-release_{{ zabbix_release }}+ubuntu{{ zabbix_ubuntu_repo_version }}_all.deb"
    dest: /tmp/zabbix-release.deb
    mode: '0644'
  when: zabbix_state == 'present'

- name: Install Zabbix repository package
  ansible.builtin.apt:
    deb: /tmp/zabbix-release.deb
  when: zabbix_state == 'present'

- name: Install Zabbix agent2
  ansible.builtin.apt:
    name: zabbix-agent2
    state: present
    update_cache: true
  when: zabbix_state == 'present'

- name: Configure Zabbix server address
  ansible.builtin.lineinfile:
    path: /etc/zabbix/zabbix_agent2.conf
    regexp: '^Server='
    line: "Server={{ zabbix_server }}"
  when: zabbix_state == 'present'

- name: Configure Zabbix active server address
  ansible.builtin.lineinfile:
    path: /etc/zabbix/zabbix_agent2.conf
    regexp: '^ServerActive='
    line: "ServerActive={{ zabbix_server }}"
  when: zabbix_state == 'present'

- name: Configure Zabbix agent hostname
  ansible.builtin.lineinfile:
    path: /etc/zabbix/zabbix_agent2.conf
    regexp: '^Hostname='
    line: "Hostname={{ ansible_hostname }}"
  when: zabbix_state == 'present'

- name: Configure Zabbix agent listen IP
  ansible.builtin.lineinfile:
    path: /etc/zabbix/zabbix_agent2.conf
    regexp: '^#?ListenIP='
    line: "ListenIP=127.0.0.1"
  when: zabbix_state == 'present'

- name: Enable and start Zabbix agent2
  ansible.builtin.systemd:
    name: zabbix-agent2
    state: started
    enabled: true
    daemon_reload: true
  when: zabbix_state == 'present'

# Uninstall tasks
- name: Stop and disable Zabbix agent2
  ansible.builtin.systemd:
    name: zabbix-agent2
    state: stopped
    enabled: false
  when: zabbix_state == 'absent'
  ignore_errors: true

- name: Remove Zabbix agent2 package
  ansible.builtin.apt:
    name: zabbix-agent2
    state: absent
    purge: true
  when: zabbix_state == 'absent'

- name: Remove Zabbix repository package
  ansible.builtin.apt:
    name: zabbix-release
    state: absent
    purge: true
  when: zabbix_state == 'absent'

- name: Reload systemd to drop the removed unit file
  ansible.builtin.systemd:
    daemon_reload: true
  when: zabbix_state == 'absent'

- name: Clear any lingering systemd state for zabbix-agent2
  ansible.builtin.command: systemctl reset-failed zabbix-agent2
  when: zabbix_state == 'absent'
  ignore_errors: true
  changed_when: false

- name: Remove Zabbix configuration directory
  ansible.builtin.file:
    path: /etc/zabbix
    state: absent
  when: zabbix_state == 'absent'