# 1. INSTALL THE LATEST CALIBRE 3.X+ (calibre, calibredb, calibre-server etc) ON ALL OS'S

- name: Does /usr/bin/calibre exist?
  stat:
    path: "/usr/bin/calibre"
  register: calib_executable

- name: "Install OS's latest packages: calibre, calibre-bin (IF not rpi AND /usr/bin/calibre MISSING)"
  package:
    name:
      - calibre
      - calibre-bin
    state: latest
  when: internet_available and not is_rpi and (not calib_executable.stat.exists)

- name: Install Calibre .debs IF calibre_via_debs (AND /usr/bin/calibre WAS MISSING)
  include_tasks: debs.yml
  when: calibre_via_debs and (not calib_executable.stat.exists)

- name: Install Calibre via calibre-installer.py IF calibre_via_python (AND /usr/bin/calibre WAS MISSING)
  include_tasks: py-installer.yml
  when: calibre_via_python and (not calib_executable.stat.exists)

# SEE calibre_via_python's value vars/default_vars.yml, vars/ubuntu-18.yml &
# vars/raspbian-9.yml: try to AVOID Python installer on Raspbian since its
# .deb's (http://raspbian.raspberrypi.org/raspbian/pool/main/c/calibre/)
# are updated within about 10 days of Calibre's quasi-monthly releases!
#
# BUT IF ABSOLUTELY NEC: (SEE roles/calibre/tasks/debs.yml)
# - run testing branch for RPi: scripts/calibre-install-latest-rpi.sh
# - run testing branch for Ubuntu 16.04: scripts/calibre-install-latest.sh
# - run unstable branch for Debian etc: scripts/calibre-install-unstable.sh


# 2. SYSTEMD SERVICES

- name: Create calibre-serve.service and calibre.conf (IF /usr/bin/calibre WAS MISSING)
  template:
    src: "{{ item.src }}"
    dest: "{{ item.dest }}"
    owner: root
    group: root
    mode: "{{ item.mode }}"
    backup: no
  #register: calibre_config
  with_items:
    - { src: 'calibre-serve.service.j2', dest: '/etc/systemd/system/calibre-serve.service', mode: '0644'}
    - { src: 'calibre.conf', dest: '/etc/{{ apache_conf_dir }}', mode: '0644'}
  when: (not calib_executable.stat.exists)

- name: Stop service 'calibre-serve' (/usr/bin/calibre-server by Kovid Goyal)
  systemd:
    name: calibre-serve
    state: stopped
    daemon_reload: yes


# 3. CREATE USER DATABASE

- name: Create /library/calibre (mandatory since Calibre 3.x)
  file:
    path: "{{ calibre_dbpath }}"
    state: directory
    #mode: 0755

- name: Copy template userdb to /library/calibre/users.sqlite (IF /usr/bin/calibre WAS MISSING)
  copy:
    src: /opt/iiab/iiab/roles/calibre/templates/users.sqlite
    dest: "{{ calibre_userdb }}"
    owner: root
    group: root
    mode: 0644
  when: (not calib_executable.stat.exists)


# 4. CREATE CONTENT DATABASE WITH A SAMPLE BOOK (REQUIRED AS OF CALIBRE 3.x)

- name: Does /library/calibre/metadata.db exist?
  stat:
    path: "{{ calibre_dbpath }}/metadata.db"
  register: calibre_db

- name: Create database (required since Calibre 3.x) with a sample book
  include_tasks: create-db.yml
  when: not calibre_db.stat.exists


# 5. RECORD Calibre AS INSTALLED

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

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