- name: Install ImageMagick package (debuntu)
  package:
    name: imagemagick
    state: present
  when: is_debuntu | bool

- name: Allow ImageMagick to read PDFs (debuntu)
  lineinfile:
    path: /etc/ImageMagick-6/policy.xml
    regexp: '<policy domain="coder" rights="none" pattern="PDF" />'
    backrefs: yes
    line: '  <policy domain="coder" rights="read" pattern="PDF" />'
    state: present
  when: is_debuntu | bool

- name: "Create 3 Calibre-Web folders to store data and configuration files: {{ calibreweb_home }}, {{ calibreweb_venv_path }}, {{ calibreweb_config }}"
  file:
    path: "{{ item }}"
    owner: "{{ calibreweb_user }}"
    group: "{{ apache_user }}"
    mode: '0755'
    state: directory
  with_items:
    - "{{ calibreweb_home }}"
    - "{{ calibreweb_venv_path }}"
    - "{{ calibreweb_config }}"

## TODO: Calibre-web future release might get into pypi https://github.com/janeczku/calibre-web/issues/456
- name: Download Calibre-Web github repository to {{ calibreweb_venv_path }}
  git:
    repo: https://github.com/janeczku/calibre-web.git
    dest: "{{ calibreweb_venv_path }}"
    force: yes
    #update: yes   # not needed, as Ansible's default is to update
    depth: 1
    version: "{{ calibreweb_version }}"
  when: internet_available | bool

## Ansible Pip Bug: Cannot use 'chdir' with 'env' https://github.com/ansible/ansible/issues/37912 (Patch landed)
#- name: Download calibre-web dependencies into vendor subdirectory.
#  pip:
#    requirements: "{{ calibreweb_path }}/requirements.txt"
#    chdir: "{{ calibreweb_path }}"
#    extra_args: '--target vendor'
#  ignore_errors: True
##
# Implementing this with Ansible command module for now.
- name: Download Calibre-Web dependencies (using pip) into virtual environment
  pip:
    requirements: "{{ calibreweb_venv_path }}/requirements.txt"
    virtualenv: "{{ calibreweb_venv_path }}"
    virtualenv_site_packages: no
    virtualenv_command: /usr/bin/virtualenv
    virtualenv_python: python2.7
  when: internet_available | bool

- name: Symlink {{ calibreweb_venv_path }}/vendor to {{ calibreweb_venv_path }}/lib/python2.7/site-packages to keep cps.py happy
  file:
    src: "{{ calibreweb_venv_path }}/lib/python2.7/site-packages"
    dest: "{{ calibreweb_venv_path }}/vendor"
    state: link

- name: Install unit file /etc/systemd/system/calibre-web.service & /etc/apache2/sites-available/calibre-web.conf for http://box{{ calibreweb_url1 }}, http://box{{ calibreweb_url2 }}, http://box{{ calibreweb_url3 }} from templates
  template:
    src: "{{ item.src }}"
    dest: "{{ item.dest }}"
    owner: root
    group: root
    mode: '0644'
  with_items:
    - { src: 'calibre-web.service.j2', dest: '/etc/systemd/system/calibre-web.service' }
    - { src: 'calibre-web.conf.j2', dest: '/etc/apache2/sites-available/calibre-web.conf' }
  when: apache_install | bool

- name: Does /library/calibre-web/metadata.db exist?
  stat:
    path: /library/calibre-web/metadata.db
  register: metadatadb

- name: Provision/Copy both default metadata files into /library/calibre-web IF metadata.db did not exist
  copy:
    src: "{{ item }}"
    dest: "{{ calibreweb_home }}"
    owner: "{{ calibreweb_user }}"
    group: "{{ apache_user }}"
    mode: '0644'
    backup: yes
  with_items:
    - roles/calibre-web/files/metadata.db
    - roles/calibre-web/files/metadata_db_prefs_backup.json
  when: not metadatadb.stat.exists
  #when: calibreweb_provision | bool

- name: Provision/Copy default admin settings to {{ calibreweb_config }}/app.db IF metadata.db did not exist    # {{ calibreweb_config }} is /library/calibre-web/config
  copy:
    src: roles/calibre-web/files/app.db
    dest: "{{ calibreweb_config }}"
    owner: "{{ calibreweb_user }}"
    group: "{{ apache_user }}"
    mode: '0644'
    backup: yes
  when: not metadatadb.stat.exists
  #when: calibreweb_provision | bool


# RECORD Calibre-Web AS INSTALLED

- name: "Set 'calibreweb_installed: True'"
  set_fact:
    calibreweb_installed: True

- name: "Add 'calibreweb_installed: True' to {{ iiab_state_file }}"
  lineinfile:
    dest: "{{ iiab_state_file }}"    # /etc/iiab/iiab_state.yml
    regexp: '^calibreweb_installed'
    line: 'calibreweb_installed: True'