# Assume we only get here if elgg_install: True
# Assume mysql is running

- name: Download current version from our site
  shell: wget {{ iiab_download_url }}/elgg-{{ elgg_version }}.zip -c -P {{ downloads_dir }}
  args:
    creates: "{{ downloads_dir }}/elgg-{{ elgg_version }}.zip"
  when: internet_available

- name: Determine if software is already expanded
  stat:
    path: "/opt/elgg-{{ elgg_version }}/index.php"
  register: elgg

# use unzip and shell until unarchive works again
# unarchive: dest=/opt/
#            src={{ downloads_dir }}/elgg-{{ elgg_version }}.zip

- name: Expand it to our location unless already done
  shell: "/usr/bin/unzip -o {{ downloads_dir }}/elgg-{{ elgg_version }}.zip -d /opt"
  when: elgg.stat.exists is defined and not elgg.stat.exists

- name: Create a link to the versioned elgg-* folder
  file:
    src: "./elgg-{{ elgg_version }}"
    dest: /opt/elgg
    owner: "{{ apache_user }}"
    group: "{{ apache_user }}"
    state: link
    force: true

# use template to fix up settings in engine/settings.php with our variables substituted
# into engine/settings.example.php
# note this will overwrite any manual settings
- name: Substitute our parameters in engine/settings.example.php
  template:
    src: "settings.php.j2"
    dest: "/opt/{{ elgg_xx }}/elgg-config/settings.php"
    owner: "{{ apache_user }}"
    group: "{{ apache_user }}"

# The name of this file changed from 1.9 to 1.10.
- name: Copy default .htaccess to the root directory of Elgg tree
  copy:
    src: "/opt/{{ elgg_xx }}/vendor/elgg/elgg/install/config/htaccess.dist"
    dest: "/opt/{{ elgg_xx }}/.htaccess"
    mode: 0644
    owner: "{{ apache_user }}"
    group: "{{ apache_user }}"

#regexp='^#RewriteBase'
- name: Modify .htaccess to have RewriteBase as our directory
  lineinfile:
    backup: no
    dest: "/opt/{{ elgg_xx }}/.htaccess"
    state: present
    insertafter: '^#RewriteBase'
    line: "RewriteBase {{ elgg_url }}/"

- name: Change permissions on engine directory so Apache can write
  file:
    path: /opt/elgg/engine/
    owner: "{{ apache_user }}"
    mode: 0755
    state: directory

- name: Create an upload directory that Apache can write in or Elgg
  file:
    path: "{{ elgg_upload_path }}"
    state: directory
    owner: "{{ apache_user }}"

- name: Change ownership
  file:
    path: "/opt/elgg-{{ elgg_version }}"
    owner: "{{ apache_user }}"
    group: "{{ apache_user }}"
    recurse: yes
    state: directory

- name: Create a MySQL database for Elgg - can be run more than once
  mysql_db:
    name: "{{ dbname }}"
  register: create_elgg_database

- name: Create a user to access the Elgg database - can be run more than once
  mysql_user:
    name: "{{ dbuser }}"
    host: "{{ item }}"
    password: "{{ dbpassword }}"
    priv: "{{ dbname }}.*:ALL"
  with_items:
        - 127.0.0.1
        - ::1
        - localhost

- name: Create file to load database
  template:
    src: "elggdb.sql.j2"
    dest: "/tmp/elggdb.sql"

# elggdb.sql obtained with mysqldump --skip-add-drop-table elggdb > elggdb.sql
# tar up a mysqldump of freshly installed database and use it in the install to avoid the startup
# form, which worries me a lot. (/var/lib/mysql/elggdb)

- name: Load Elgg database dump
  mysql_db:
    name: "{{ dbname }}"
    state: import
    target: /tmp/elggdb.sql
  when: create_elgg_database.changed

- name: Remove database dump after load
  file:
    name: /tmp/elggdb.sql
    state: absent

- name: Install config file for Elgg in Apache
  template:
    src: elgg.conf
    dest: "/etc/{{ apache_config_dir }}/elgg.conf"

- name: Enable Elgg for debuntu (will already be enabled above for redhat)
  file:
    src: /etc/apache2/sites-available/elgg.conf
    dest: /etc/apache2/sites-enabled/elgg.conf
    state: link
  when: elgg_enabled and is_debuntu

- name: Disable Elgg - remove config file for Elgg in Apache (debuntu)
  file:
    path: /etc/apache2/sites-enabled/elgg.conf
    state: absent
  when: not elgg_enabled and is_debuntu

- name: Disable Elgg - remove config file for Elgg in Apache (redhat)
  file:
    dest: "/etc/{{ apache_config_dir }}/elgg.conf"
    state: absent
  when: not elgg_enabled and is_redhat

- name: Add 'elgg' to list of services at /etc/iiab/iiab.ini
  ini_file:
    dest: "{{ service_filelist }}"
    section: elgg
    option: "{{ item.option }}"
    value: "{{ item.value }}"
  with_items:
    - option: name
      value: Elgg
    - option: description
      value: '"Elgg is an award-winning social networking engine, delivering the building blocks that enable businesses, schools, universities and associations to create their own fully-featured social networks and applications."'
    - option: path
      value: /opt/elgg
    - option: enabled
      value: "{{ elgg_enabled }}"

- name: Restart Apache, so it picks up the new aliases
  service:
    name: "{{ apache_service }}"
    state: restarted