---
- name: RHEL based distros
  when: ansible_os_family == "RedHat"
  block:
    - name: Install WAL-G repository
      ansible.builtin.yum_repository:
        name: "{{ item.name }}"
        description: "{{ item.description }}"
        file: "{{ item.file }}"
        baseurl:  "{{ item.baseurl }}"
        gpgcheck: "{{ item.gpgcheck | default('no') }}"
        enabled: "{{ item.enabled | default('yes') }}"
        repo_gpgcheck: "{{ item.repo_gpgcheck | default('no') }}"
        gpgkey: "{{ item.gpgkey | default('omit') }}"
      loop: "{{ wal_g_rpm_repository }}"
      when: wal_g_install_repo

    - name: "Install WAL-G {{ wal_g_version }}"
      dnf:
        name: "{{ wal_g_package }}"
        state: present
        update_cache: yes
        allow_downgrade: yes
      tags: wal-g, wal_g, wal_g_install

    - name: "Install curl and jq"
      dnf:
        name:
          - curl
          - jq
        state: present
        update_cache: yes

- name: Debian based distros
  when: ansible_os_family == "Debian"
  block:
    - name: Install apt-transport-https
      apt:
        name: apt-transport-https
        state: present

    - name: Add WAL-G repository
      ansible.builtin.apt_repository:
        repo: "{{ item.repo }}"
        state: present
        filename: "{{ item.filename }}"
        update_cache: yes
      loop: "{{ wal_g_apt_repository }}"
      when: wal_g_install_repo

    - name: "Install WAL-G {{ wal_g_version }}"
      apt:
        name: "{{ wal_g_package }}"
        state: present
        update_cache: yes
        allow_downgrade: yes
      tags: wal-g, wal_g, wal_g_install

    - name: "Install curl and jq"
      apt:
        name:
          - curl
          - jq
        state: present
        update_cache: yes

- name: "Gather packages"
  package_facts:
    manager: auto

- name: "Set fact about PostgreSQL package"
  set_fact:
    wal_g_postgresql_package: "{{ ansible_facts.packages | list | select('match', wal_g_postgresql_package_name_regex) | first }}"

- name: "Get PostgreSQL major version"
  set_fact:
    wal_g_pg_major_version: "{{ ansible_facts.packages[wal_g_postgresql_package][0]['version'] | split('.') | first }}"

- name: Merge user options for WAL-G part of config
  set_fact:
    wal_g_combined_config: "{{ wal_g_default_config | combine(wal_g_config|default({}), recursive=true) }}"

- name: "Generate conf file walg.json"
  copy:
    content: "{{ wal_g_combined_config | to_nice_json }}"
    dest: "{{ wal_g_pg_home_dir }}/{{ wal_g_config_name }}"
    owner: "{{ wal_g_pg_config_owner }}"
    group: "{{ wal_g_pg_config_group }}"
    mode: 0644
  tags: wal-g, wal_g, wal_g_conf

- name: Create wal-g restore config
  when: wal_g_restore
  block:
    - name: Merge user options for WAL-G part of restore config
      set_fact:
        wal_g_restore_combined_config: "{{ wal_g_default_restore_config | combine(wal_g_restore_config|default({}), recursive=true) }}"
    
    - name: "Generate conf file walg-restore.json"
      copy:
        content: "{{ wal_g_restore_combined_config | to_nice_json }}"
        dest: "{{ wal_g_pg_home_dir }}/{{ wal_g_restore_config_name }}"
        owner: "{{ wal_g_pg_config_owner }}"
        group: "{{ wal_g_pg_config_group }}"
        mode: 0644