# IF YOU NEED TO REINSTALL FROM /opt/iiab/downloads/wordpress.tar.gz
# TO /library/wordpress DURING YOUR NEXT RUN OF "./runtags wordpress" OR
# "./iiab-install" THEN YOU FIRST NEED TO:
#
# - "mv /library/wordpress /library/wordpress.old" (MUST)
# - back up then drop the database (RECOMMENDED)
#
# REASON: "keep_newer: yes" below tries to preserves WordPress's self-upgrades
# & security enhancements within /library/wordpress, that can occur without
# warning when WordPress is online, since WordPress ~4.8 especially.
#
# Such "emergency" reinstalls from /opt/iiab/downloads/wordpress.tar.gz to
# /library/wordpress should also work offline.

- name: Download the latest WordPress software
  get_url:
    url: "{{ wordpress_download_base_url }}/{{ wordpress_src }}"
    dest: "{{ downloads_dir }}"
#   force: yes
#   backup: yes
  register: wp_download_output
  when: internet_available

- name: Create link /opt/iiab/downloads/wordpress.tar.gz pointing to {{ wp_download_output.dest }}
  file:
    src: "{{ wp_download_output.dest }}"
    dest: "{{ downloads_dir }}/wordpress.tar.gz"
    state: link
  when: wp_download_output.dest is defined

- name: Check if /opt/iiab/downloads/wordpress.tar.gz link exists
  stat:
    path: "{{ downloads_dir }}/wordpress.tar.gz"
  register: wp_link

- name: FAIL (force Ansible to exit) IF /opt/iiab/downloads/wordpress.tar.gz doesn't exist
  fail:
    msg: "{{ downloads_dir }}/wordpress.tar.gz is REQUIRED in order to install WordPress."
  when: not wp_link.stat.exists

- name: "Unpack /opt/iiab/downloads/wordpress.tar.gz to permanent location /library/wordpress - owner: root, group: {{ apache_user }}, mode: 0664"
  unarchive:
    src: "{{ downloads_dir }}/wordpress.tar.gz"
    dest: "{{ wp_install_path }}"
    owner: root
    group: "{{ apache_user }}"
    mode: 0664
    keep_newer: yes

# - name: Rename /library/wordpress* to /library/wordpress
#   shell: if [ ! -d {{ wp_abs_path }} ]; then mv {{ wp_abs_path }}* {{ wp_abs_path }}; fi

#- name: Make Apache owner and group, 1st pass permissions set to 0664
#  file: path={{ wp_abs_path }}
#        recurse=yes
#        owner=root
#        group={{ apache_user }}
#        mode=0664
#        state=directory

- name: Make directories 775 so Apache can traverse and write (these files remain 0664)
  command: "/usr/bin/find {{ wp_abs_path }} -type d -exec chmod 775 {} +"

- name: Copy wp salt values
  copy: src=wp-keys.php.BAK
        dest={{ wp_abs_path }}/wp-keys.php.BAK
        owner=root
        group={{ apache_user }}
        mode=0640

# Fetch random salts for WordPress config into wp-keys.php file by generating script and running

- name: Create wp salt script
  template: src=get-iiab-wp-salts.j2
            dest=/tmp/get-iiab-wp-salts
            owner=root
            group=root
            mode=0700

- name: Run wp salt script to create /library/wordpress/wp-keys.php
  command: /tmp/get-iiab-wp-salts

- name: Cleanup - remove wp salt script
  file: path=/tmp/get-iiab-wp-salts
        state=absent

- name: MySQL database needs to be running if we are trying to create a new db
  service: state=started
           name='{{ mysql_service }}'

- name: Create MySQL wordpress database
  mysql_db: name={{ wp_db_name }}
            state=present

- name: Create MySQL wordpress database user
  mysql_user: name={{ wp_db_user }}
              password={{ wp_db_user_password }}
              priv={{ wp_db_name }}.*:ALL,GRANT
              state=present

- name: Copy WordPress config file
  template: src=wp-config.php.j2
            dest={{ wp_abs_path }}/wp-config.php
            owner=root
            group={{ apache_user }}
            mode=0660

- name: Copy WordPress httpd conf file
  template: src=wordpress.conf.j2
            dest=/etc/{{ apache_config_dir }}/wordpress.conf

- name: Enable httpd conf file if we are disabled (debuntu)
  file: path=/etc/apache2/sites-enabled/wordpress.conf
        src=/etc/apache2/sites-available/wordpress.conf
        state=link
  when: wordpress_enabled and is_debuntu

- name: Remove httpd conf file if we are disabled (OS's other than debuntu)
  file: path=/etc/apache2/sites-enabled/wordpress.conf
        state=absent
  when: not wordpress_enabled and is_debuntu

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

- name: Add 'wordpress' to service list
  ini_file: dest='{{ service_filelist }}'
            section=wordpress
            option='{{ item.option }}'
            value='{{ item.value }}'
  with_items:
    - option: name
      value: wordpress
    - option: description
      value: '"WordPress is a blog and web site management application."'
    - option: wordpress_src
      value: "{{ wordpress_src }}"
    - option: wp_abs_path
      value: "{{ wp_abs_path }}"
    - option: wp_db_name
      value: "{{ wp_db_name }}"
    - option: wp_db_user
      value: "{{ wp_db_user }}"
    - option: wp_url
      value: "{{ wp_url }}"
    - option: wp_full_url
      value: "{{ wp_full_url }}"
    - option: wordpress_enabled
      value: "{{ wordpress_enabled }}"