---

- name: Install nodejs and dependencies
  package:
    name:
      - nodejs
      - gcc
      - gcc-c++
      - make
      - sqlite-devel
      - python3
      - postgresql16
  tags: n8n

- name: Wipe node_module on upgrade
  file: path={{ n8n_root_dir }}/app/node_modules state=absent
  when: n8n_install_mode == 'upgrade'
  tags: n8n

- name: Install n8n
  npm:
    name: n8n
    path: "{{ n8n_root_dir }}/app"
    version: "{{ n8n_version }}"
  environment:
    - npm_config_python: /bin/python3 # This is needed for sqlite3 build
  become_user: "{{ n8n_user }}"
  notify: restart n8n
  tags: n8n

- name: Install extra NodeJS modules
  npm:
    name: "{{ item }}"
    path: "{{ n8n_root_dir }}/app"
  become_user: "{{ n8n_user }}"
  notify: restart n8n
  when: n8n_extra_node_modules | length > 0
  loop: "{{ n8n_extra_node_modules }}"
  tags: n8n

- name: Create the PostgreSQL role
  postgresql_user:
    db: postgres
    name: "{{ n8n_db_user }}"
    password: "{{ n8n_db_pass }}"
    login_host: "{{ n8n_db_server }}"
    login_port: "{{ n8n_db_port }}"
    login_user: sqladmin
    login_password: "{{ pg_admin_pass }}"
  tags: n8n

- name: Create the PostgreSQL database
  postgresql_db:
    name: "{{ n8n_db_name }}"
    encoding: UTF-8
    lc_collate: C
    lc_ctype: C
    template: template0
    owner: "{{ n8n_db_user }}"
    login_host: "{{ n8n_db_server }}"
    login_port: "{{ n8n_db_port }}"
    login_user: sqladmin
    login_password: "{{ pg_admin_pass }}"
  tags: n8n

- name: Deploy systemd unit
  template: src=n8n.service.j2 dest=/etc/systemd/system/n8n.service
  register: n8n_unit
  notify: restart n8n
  tags: n8n

- name: Reload systemd
  systemd: daemon_reload=True
  when: n8n_unit.changed
  tags: n8n

- name: Install pre/post backup hooks
  template: src={{ item }}-backup.sh.j2 dest=/etc/backup/{{ item }}.d/n8n mode=700
  loop:
    - pre
    - post
  tags: n8n