- name: Create calibre-web folders to store data and configuration files.
  file:
    path: "{{ item }}"
    owner: "{{ calibre-web_user }}"
    group: "{{ apache_user }}"
    mode: 0755
    state: directory
  with_items:
    - "{{ calibre-web_home }}"
    - "{{ calibre-web_path }}"

- name: Download calibre-web github repository.
  git:
    repo: https://github.com/janeczku/calibre-web.git
    dest: "{{ calibre-web_path }}"
    update: yes
    version: master
  when: internet_available

- name: Download calibre-web dependencies into vendor subdirectory.
- pip:
    chdir: "{{ calibre-web_path }}"
    requirements: "{{ calibre-web_path }}/requirements.txt"
    extra_args: "--target vendor --no-cache-dir"

- name: Create calibre-web systemd service unit and httpd2 configuration.
  template:
    src: "{{ item.src }}"
    dest: "{{ item.dest }}"
    mode: "{{ item.mode }}"
    owner: "{{ calibre-web_user }}"
    group: "{{ apache_user }}"
  with_items:
    - { src: 'calibre-web.service.j2', dest: '/etc/systemd/system/calibre-web.service', mode: '0644' }
    - { src: 'calibre-web.conf.j2', dest: '/etc/apache2/sites-available/calibre-web.conf', mode: '0644' }

- name: Provision calibre-web with default administration account and database.
  template:
    src: "{{ item.src }}"
    dest: "{{ item.dest }}"
    mode: "{{ item.mode }}"
    owner: "{{ calibre-web_user }}"
    group: "{{ apache_user }}"
  with_items:
    - { src: 'metadata.db', dest: '{{ calibre-web_home }}/metadata.db', mode: '0644' }
  when: calibre-web_provision

- name: Ask systemd to reread unit files (daemon-reload).
  systemd:
    daemon_reload: yes

- name: Enable calibre-web service.
  service:
    name: calibre-web
    enabled: yes
    state: restarted
  when: calibre-web_enabled

- name: Enable calibre-web httpd2 site
  command: a2ensite calibre-web.conf
  when: calibre-web_enabled

- name: Restart Apache after enabling calibre-web httpd2 site.
  command: apachectl -k graceful
  when: calibre-web_enabled

- name: Disable calibre-web service.
  service:
    name: calibre-web
    enabled: no
    state: stopped
  when: not calibre-web_enabled

- name: Disable calibre-web httpd2 site.
  command: a2dissite calibre-web.conf
  when: not calibre-web_enabled

- name: Restart Apache after disabling calibre-web httpd2 site.
  command: apachectl -k graceful
  when: not calibre-web_enabled

- name: Add 'calibre-web' to list of services at /etc/iiab/iiab.ini
  ini_file:
    dest: "{{ service_filelist }}"
    section: calibre-web
    option: "{{ item.option }}"
    value: "{{ item.value }}"
  with_items:
    - option: name
      value: calibre-web
    - option: description
      value: '"calibre-web is a web app providing a clean interface for browsing, reading and downloading eBooks."'
    - option: calibre-web_url
      value: "{{ calibre-web_url }}"
    - option: calibre-web_path
      value: "{{ calibre-web_path }}"
    - option: calibre-web_port
      value: "{{ calibre-web_http_port }}"
    - option: enabled
      value: "{{ calibre-web_enabled }}"
    - option: True
      value: "{{ calibre-web_provision }}"