# SEE kolibri_user EXPLANATION IN roles/kolibri/defaults/main.yml
- name: Override kolibri_user (e.g. from 'kolibri') to 'pi' if Raspberry Pi / Raspbian
  set_fact:
    kolibri_user: pi
  when: is_rpi | bool

- name: Create Linux user {{ kolibri_user }} and add it to groups {{ apache_user }}, disk
  user:
    name: "{{ kolibri_user }}"
    groups:
      - "{{ apache_user }}"
      - disk
    state: present
    shell: /bin/false
    system: yes
    create_home: no
  when: not is_rpi

#- name: Create {{ kolibri_home }} (for data) and {{ kolibri_venv_path }} (venv for program/config)
- name: Create {{ kolibri_home }} (for data)
  file:
    path: "{{ kolibri_home }}"     # /library/kolibri
    owner: "{{ kolibri_user }}"    # kolibri
    group: "{{ apache_user }}"     # www-data (on Debian/Ubuntu/Raspbian)
    mode: 0755
    state: directory
# with_items:
#   - "{{ kolibri_home }}"         # /library/kolibri
#   - "{{ kolibri_venv_path }}"    # /usr/local/kolibri

#- name: Download latest Kolibri .deb installer from {{ kolibri_deb_url }}
#  get_url:
#    name: "{{ kolibri_deb_url }}"    # https://learningequality.org/r/kolibri-deb-latest
#    dest: "{{ downloads_dir }}"
#    timeout: "{{ download_timeout }}"
#  register: kolibri_download_output
#  when: internet_available | bool

- name: apt install latest Kolibri .deb from {{ kolibri_deb_url }}
  apt:
    deb: "{{ kolibri_deb_url }}"    # https://learningequality.org/r/kolibri-deb-latest
    # "Requires the xz-utils package to extract the control file of the deb package to install."
  when: internet_available | bool
  #when: kolibri_download_output.dest is defined and (kolibri_version is undefined)

#- name: Install Kolibri {{ kolibri_version }} using apt
#  apt:
#    #update_cache: yes
#    name: "kolibri={{ kolibri_version }}"
#  when: kolibri_download_output.dest is defined and kolibri_version is defined

#- name: Install latest Kolibri using pip, to venv
#  pip:
#    name: kolibri
#    virtualenv: "{{ kolibri_venv_path }}"
#    virtualenv_site_packages: no
#    state: latest
#    extra_args: --no-cache-dir
#  when: internet_available and (kolibri_version is undefined)

#- name: Install Kolibri {{ kolibri_version }} using pip, to venv
#  pip:
#    name: kolibri
#    virtualenv: "{{ kolibri_venv_path }}"
#    virtualenv_site_packages: no
#    version: "{{ kolibri_version }}"
#    extra_args: --no-cache-dir
#  when: internet_available and kolibri_version is defined

- name: 'Install from templates: kolibri.service unit file for systemd & sites-available/kolibri.conf for Apache'
  template:
    src: "{{ item.src }}"
    dest: "{{ item.dest }}"
    owner: root
    group: root
    mode: 0644
  with_items:
    - { src: 'kolibri.service.j2', dest: '/etc/systemd/system/kolibri.service' }
    - { src: 'kolibri.conf.j2', dest: '/etc/apache2/sites-available/kolibri.conf' }

- name: Enable 'kolibri' systemd service (for reboots) but ensure it's stopped for Kolibri provisioning
  systemd:
    name: kolibri
    daemon_reload: yes
    enabled: yes
    state: stopped

- name: Run Kolibri migrations (WHY? WHAT DOES THIS DO?)
  shell: export KOLIBRI_HOME="{{ kolibri_home }}" && "{{ kolibri_exec_path }}" manage migrate
  ignore_errors: yes
  become: yes
  become_user: "{{ kolibri_user }}"
  when: kolibri_provision | bool

- name: Set Kolibri default language
  shell: export KOLIBRI_HOME="{{ kolibri_home }}" && "{{ kolibri_exec_path }}" language setdefault "{{ kolibri_language }}"
  ignore_errors: yes
  become: yes
  become_user: "{{ kolibri_user }}"
  when: kolibri_provision | bool

- name: Create Kolibri default facility name, admin account and language
  shell: >
    export KOLIBRI_HOME="{{ kolibri_home }}" &&
    "{{ kolibri_exec_path }}" manage provisiondevice --facility "{{ kolibri_facility }}"
    --superusername "{{ kolibri_admin_user }}" --superuserpassword "{{ kolibri_admin_password }}"
    --preset "{{ kolibri_preset }}" --language_id "{{ kolibri_language }}" --verbosity 0 --noinput
  ignore_errors: yes
  become: yes
  become_user: "{{ kolibri_user }}"
  when: kolibri_provision | bool

- name: chown -R {{ kolibri_user }}:{{ apache_user }} {{ kolibri_home }}
  file:
    path: "{{ kolibri_home }}"     # /library/kolibri
    owner: "{{ kolibri_user }}"    # kolibri
    group: "{{ apache_user }}"     # www-data (on Debian/Ubuntu/Raspbian)
    recurse: yes
  when: kolibri_provision | bool

- name: Start 'kolibri' systemd service, if kolibri_enabled
  systemd:
    name: kolibri
    state: started
  when: kolibri_enabled | bool

- name: Enable http://box{{ kolibri_url }} with Apache (a2ensite) if kolibri_enabled    # i.e. http://box/kolibri
  command: a2ensite kolibri.conf
  when: kolibri_enabled | bool

- name: Disable & Stop 'kolibri' systemd service if not kolibri_enabled
  systemd:
    name: kolibri
    enabled: no
    state: stopped
  when: not kolibri_enabled

- name: Disable http://box{{ kolibri_url }} with Apache (a2dissite) if not kolibri_enabled
  command: a2dissite kolibri.conf
  when: not kolibri_enabled

- name: Restart Apache service ({{ apache_service }})    # e.g. apache2
  systemd:
    name: "{{ apache_service }}"
    state: restarted

- name: Add 'kolibri' variable values to {{ iiab_ini_file }}    # /etc/iiab/iiab.ini
  ini_file:
    path: "{{ iiab_ini_file }}"
    section: kolibri
    option: "{{ item.option }}"
    value: "{{ item.value }}"
  with_items:
    - option: name
      value: kolibri
    - option: description
      value: '"Kolibri is an open-source educational platform specially designed to provide offline access to a wide range of quality, openly licensed educational contents in low-resource contexts like rural schools, refugee camps, orphanages, and also in non-formal school programs."'
    - option: kolibri_url
      value: "{{ kolibri_url }}"
    - option: kolibri_path
      value: "{{ kolibri_exec_path }}"
    - option: kolibri_port
      value: "{{ kolibri_http_port }}"
    - option: kolibri_enabled
      value: "{{ kolibri_enabled }}"