---
- name: Create data directory
  file:
    path: "{{ postgresql_data_dir }}"
    owner: "{{ postgresql_user }}"
    group: "{{ postgresql_group }}"
    state: directory

- name: Create configuration directory
  file:
    path: "{{ postgresql_config_dir }}/{{ postgresql_major_version }}/{{ postgresql_cluster_name }}"
    owner: "{{ postgresql_user }}"
    group: "{{ postgresql_group }}"
    state: directory

- name: Merge user options for PostgreSQL config
  set_fact:
    postgresql_combined_parameters: "{{ postgresql_default_parameters | combine(postgresql_custom_parameters|default({}), recursive=true) }}"

- name: Merge backup options for PostgreSQL config
  set_fact:
    postgresql_combined_parameters: "{{ postgresql_combined_parameters | combine(postgresql_backup_parameters, recursive=true) }}"

- name: Merge restore options for PostgreSQL config
  set_fact:
    postgresql_combined_parameters: "{{ postgresql_combined_parameters | combine(postgresql_restore_parameters, recursive=true) }}"

- name: Propagate PostgreSQL configs
  block:
    - name: Template PostgreSQL pg_hba configuration
      template:
        src: "pg_hba.conf.j2"
        dest: "{{ postgresql_config_dir }}/{{ postgresql_major_version }}/{{ postgresql_cluster_name }}/pg_hba.conf"
        mode: 0600
        owner: "{{ postgresql_user }}"
        group: "{{ postgresql_group }}"
      register: pg_hba_config_file
      notify:
        - Reload PostgreSQL
        - Restart PostgreSQL
    - name: Template PostgreSQL configuration
      template:
        src: "postgresql.conf.j2"
        dest: "{{ postgresql_config_dir }}/{{ postgresql_major_version }}/{{ postgresql_cluster_name }}/postgresql.conf"
        mode: 0600
        owner: "{{ postgresql_user }}"
        group: "{{ postgresql_group }}"
      register: postgresql_config_file
      notify:
        - Reload PostgreSQL
        - Restart PostgreSQL
    - name: Template PostgreSQL SSL configuration
      template:
        src: "postgresql.ssl.conf.j2"
        dest: "{{ postgresql_config_dir }}/{{ postgresql_major_version }}/{{ postgresql_cluster_name }}/postgresql.ssl.conf"
        mode: 0600
        owner: "{{ postgresql_user }}"
        group: "{{ postgresql_group }}"
      register: postgresql_ssl_config_file
      notify:
        - Reload PostgreSQL
        - Restart PostgreSQL
      when: postgresql_ssl