- name: "Install BitTorrent packages: transmission-daemon, transmission-cli"
  package:
    name:
      - transmission-daemon
      - transmission-cli
    state: present

- name: Create download dir {{ transmission_download_dir }}, owned by {{ transmission_user }}:{{ transmission_group }}
  file:
    state: directory
    path: "{{ transmission_download_dir }}"    # /library/transmission
    owner: "{{ transmission_user }}"    # debian-transmission
    group: "{{ transmission_group }}"    # root
    # mode: '0755'

- name: Stop 'transmission-daemon' systemd service, before modifying its settings
  systemd:
    name: transmission-daemon
    state: stopped
  ignore_errors: yes

- name: Install /etc/transmission-daemon/settings.json from template
  template:
    src: settings.json.j2
    dest: /etc/transmission-daemon/settings.json
    owner: "{{ transmission_user }}"    # debian-transmission
    group: "{{ transmission_group }}"    # root
    # mode: '0644'


# RECORD Transmission AS INSTALLED

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

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


- name: Enable & Restart 'transmission-daemon' systemd service, incl daemon-reload
  systemd:
    name: transmission-daemon
    daemon_reload: yes
    enabled: yes
    state: restarted
  when: transmission_enabled | bool

- name: Add PAUSED KA Lite torrent(s) to transmission-daemon's queue
  shell: >
    /usr/bin/transmission-remote
    --start-paused
    -n {{ transmission_username }}:{{ transmission_password }}
    -a http://pantry.learningequality.org/downloads/ka-lite/{{ transmission_kalite_version }}/content/ka-lite-0.17-resized-videos-{{ item }}.torrent
  with_items: "{{ transmission_kalite_languages }}"
  when: transmission_enabled and transmission_provision and transmission_kalite_languages is defined and transmission_kalite_languages is not none
  ignore_errors: yes

- name: Disable & Stop 'transmission-daemon' service, if not transmission_enabled
  systemd:
    name: transmission-daemon
    daemon_reload: yes
    enabled: no
    state: stopped
  when: not transmission_enabled


- name: Add 'transmission' variable values to {{ iiab_ini_file }}
  ini_file:
    path: "{{ iiab_ini_file }}"
    section: transmission
    option: "{{ item.option }}"
    value: "{{ item.value | string }}"
  with_items:
    - option: name
      value: Transmission
    - option: description
      value: '"Transmission is a set of lightweight BitTorrent clients (in GUI, CLI and daemon form)."'
    - option: transmission_install
      value: "{{ transmission_install }}"
    - option: transmission_enabled
      value: "{{ transmission_enabled }}"
    - option: transmission_download_dir
      value: "{{ transmission_download_dir }}"
    - option: transmission_user
      value: "{{ transmission_user }}"
    - option: transmission_group
      value: "{{ transmission_group }}"
    - option: transmission_http_port
      value: "{{ transmission_http_port }}"
    - option: transmission_url
      value: "{{ transmission_url }}"
    - option: transmission_peer_port
      value: "{{ transmission_peer_port }}"
    - option: transmission_provision
      value: "{{ transmission_provision }}"
    - option: transmission_kalite_version
      value: "{{ transmission_kalite_version }}"
    - option: transmission_kalite_languages
      value: "{{ transmission_kalite_languages }}"
    - option: transmission_username
      value: "{{ transmission_username }}"
    # 2020-04-14: better to redact passwords from /etc/iiab/iiab.ini etc, so iiab-diagnostics command doesn't publish these, etc
    #- option: transmission_password
    #  value: "{{ transmission_password }}"