- name: Install packages python-psycopg2 and php-pgsql (OS's other than debuntu)
  package:
    name:
      - python-psycopg2
      - php-pgsql
    state: present
  when: not is_debuntu

- name: Install python-psycopg2 and 4 php packages (debuntu)
  package:
    name:
      - python-psycopg2
      - php{{ php_version }}-pgsql
      - php{{ php_version }}-curl
      #- php{{ php_version }}-zip
      - php{{ php_version }}-gd
      #- php{{ php_version }}-mbstring
      # mbstring is now included in php-cli
      - php{{ php_version }}-cli
    state: present
  when: is_debuntu

- name: php-zip name (debian-9 or ubuntu)
  package:
    name: "php{{ php_version }}-zip"
  when: is_debian_9 or is_ubuntu

- name: php-zip name for (debian-8)
  package:
    name: php-pclzip
  when: is_debian_8

- name: Determine if Moodle is already downloaded
  stat:
    path: "{{ moodle_base }}/config-dist.php"
  register: moodle

- name: Download the latest Moodle repo
  git:
    repo: "{{ moodle_repo_url }}"
    dest: "{{ moodle_base }}"
    depth: 1
    force: yes
    version: "MOODLE_{{ moodle_version }}_STABLE"
    #version: master   # TEMPORARY DURING MAY 2018 TESTING, installed 3.5beta+ = https://download.moodle.org/releases/development/
  #ignore_errors: yes
  when: internet_available and moodle.stat.exists is defined and not moodle.stat.exists

- name: Prepare the downloaded directory so Apache can install config file
  file:
    path: "{{ moodle_base }}"
    owner: "{{ apache_user }}"
    recurse: yes
    state: directory

- name: Give Apache permission to write Moodle data directory
  file:
    path: "{{ content_base }}/dbdata/moodle"
    owner: "{{ apache_user }}"
    mode: 0755
    state: directory

- name: Create a Moodle data dir with Apache permission to write
  file:
    path: "{{ moodle_data }}"
    owner: "{{ apache_user }}"
    group: "{{ apache_user }}"
    mode: 0770
    state: directory

- name: Remove Apache's stock moodle.conf
  file:
    path: "/etc/{{ apache_config_dir }}/moodle.conf"
    state: absent

- name: Install Apache's 022-moodle.conf from template
  template:
    src: 022-moodle.j2
    dest: "/etc/{{ apache_config_dir }}/022-moodle.conf"
    owner: root
    group: root
    mode: 0644
  when: moodle_enabled

- name: Create symlink 022-moodle.conf from sites-enabled to sites-available (debuntu)
  file:
    src: /etc/apache2/sites-available/022-moodle.conf
    dest: /etc/apache2/sites-enabled/022-moodle.conf
    state: link
  when: moodle_enabled and is_debuntu

- name: Remove symlink 022-moodle.conf (debuntu)
  file:
    path: /etc/apache2/sites-enabled/022-moodle.conf
    state: absent
  when: not moodle_enabled and is_debuntu

- name: Start postgresql-iiab
  service:
    name: postgresql-iiab
    state: restarted

- name: Create db user
  postgresql_user:
    name: Admin
    password: changeme
    encrypted: yes   # Required by PostgreSQL 10+ e.g. Ubuntu 18.04's PostgreSQL 10.3+, see https://github.com/iiab/iiab/issues/759
    role_attr_flags: NOSUPERUSER,NOCREATEROLE,NOCREATEDB
    state: present
  become: yes
  become_user: postgres

- name: Create database
  postgresql_db:
    name: "{{ moodle_database_name }}"
    encoding: utf8
    owner: Admin
    template: template1
    state: present
  become: yes
  become_user: postgres

- name: Put moodle_installer script in {{ moodle_base }}
  template:
    dest: "{{ moodle_base }}"
    src: moodle_installer
    mode: 0755

- name: Restart postgresql-iiab
  service:
    name: postgresql-iiab
    state: restarted
    enabled: yes
  when: moodle_enabled

- name: Restart Apache
  service:
    name: "{{ apache_service }}"
    state: restarted

- name: See if {{ moodle_base }}/config.php exists
  stat:
    path: "{{ moodle_base }}/config.php"
  register: config

- name: Execute moodle_installer script
  shell: '{{ moodle_base }}/moodle_installer'
  when: config.stat.exists is defined and not config.stat.exists

- name: Give Apache permission to read {{ moodle_base }}/config.php
  #command: chown -R {{ apache_user }} {{ moodle_base }}
  file:
    path: "{{ moodle_base }}/config.php"
    mode: 0644

- name: Add 'moodle' to list of services at {{ iiab_ini_file }}
  ini_file:
    dest: "{{ iiab_ini_file }}"
    section: moodle
    option: "{{ item.option }}"
    value: "{{ item.value }}"
  with_items:
    - option: name
      value: Moodle
    - option: description
      value: '"Access the Moodle learning management system."'
    - option: "moodle_base"
      value: "{{ moodle_base }}"
    - option: moodle_enabled
      value: "{{ moodle_enabled }}"