---
# Main tasks in Nextcloud installation

- name: Install required packages
  apt:
    name: '{{ required_packages }}'
    state: present
  notify:
    - start http
    - start php-fpm

- name: Configure Nginx web server
  include_tasks: http_nginx.yml

- name: Configure Redis server
  include_tasks: redis_server.yml

- name: Configure MySQL database
  include_tasks: db_mysql.yml

#- name: Configure PostgreSQL database
#  include_tasks: ./db_postgresql.yml

- name: Check whether Nextcloud is installed
  stat:
    path: '{{ nextcloud_webroot }}/index.php'
  register: nc_nextcloud_installed

- name: Download Nextcloud
  include_tasks: nc_download.yml
  when: not nc_nextcloud_installed.stat.exists

- name: Check whether Nextcloud configuration exists
  stat:
    path: '{{ nextcloud_webroot }}/config/config.php'
  register: nc_nextcloud_conf

- name: Check whether Nextcloud is configured
  command: grep -q '{{ nextcloud_trusted_domains | first }}' {{ nextcloud_webroot }}/config/config.php
  failed_when: False
  changed_when: False
  register: nc_nextcloud_configured
  when: nc_nextcloud_conf.stat.exists

- name: Nextcloud installation
  include_tasks: nc_installation.yml
  when: |
    (not nc_nextcloud_conf.stat.exists) or
    (nc_nextcloud_configured.rc is defined and nc_nextcloud_configured.rc != 0)

- block:
  - name: Lists the Nextcloud apps available
    command: 'php occ app:list --output=json_pretty --no-warnings'
    args:
      chdir: '{{ nextcloud_webroot }}'
    become_user: 'www-data'
    become: yes
    changed_when: false
    register: nc_apps_list

  - name: Convert list of apps to YAML
    set_fact:
      nc_available_apps: '{{ nc_apps_list.stdout | from_json }}'

  - name: Install selected Nexctcloud apps
    include_tasks: nc_apps.yml
    when:
      - item.key not in nc_available_apps.enabled
      - (item.value is not none) or (item.key in nc_available_apps.disabled)
    loop: '{{ nextcloud_apps }}'
  when:
    - nextcloud_apps is defined
    - nextcloud_apps is mapping

- name: Add indices
  command: 'php occ db:add-missing-indices'
  args: 
    chdir: '{{ nextcloud_webroot }}'
  become_user: 'www-data'
  become: yes