---
- name: Configure listen on IP addresses
  ansible.builtin.lineinfile:
    path: /var/lib/pgsql/data/postgresql.conf
    regexp: '^\s*listen_addresses\s*='
    insertafter: '#\s*listen_addresses\s*='
    line: "listen_addresses = 'localhost, {{ postgresql_listen_address }}'"
  when: postgresql_listen_address | trim != ''
  notify:
    - restart postgresql

- name: Configure max connections number
  ansible.builtin.lineinfile:
    path: /var/lib/pgsql/data/postgresql.conf
    regexp: '^\s*max_connections\s*='
    insertafter: '#\s*max_connections\s*='
    line: "max_connections = {{ postgresql_max_connections }}"
  when: postgresql_max_connections is defined
  notify:
    - restart postgresql

- name: Configure password encryption algorithm
  ansible.builtin.lineinfile:
    path: /var/lib/pgsql/data/postgresql.conf
    regexp: '^\s*password_encryption\s*='
    insertafter: '#\s*password_encryption\s*='
    line: "password_encryption = {{ postgresql_password_encryption }}"
  when: postgresql_password_encryption in ('scram-sha-256', 'md5')
  notify:
    - restart postgresql