# "How do i fail a task in Ansible if the variable contains a boolean value?
# I want to perform input validation for Ansible playbooks"
# https://stackoverflow.com/questions/46664127/how-do-i-fail-a-task-in-ansible-if-the-variable-contains-a-boolean-value-i-want/46667499#46667499

# We assume 0-init/tasks/validate_vars.yml has DEFINITELY been run, so no need
# to re-check whether vars are defined here.  As Ansible vars cannot be unset:
# https://serverfault.com/questions/856729/how-to-destroy-delete-unset-a-variable-value-in-ansible

- name: Assert that "calibreweb_install is sameas true" (boolean not string etc)
  assert:
    that: calibreweb_install is sameas true
    fail_msg: "PLEASE SET 'calibreweb_install: True' e.g. IN: /etc/iiab/local_vars.yml"
    quiet: yes

- name: Assert that "calibreweb_enabled | type_debug == 'bool'" (boolean not string etc)
  assert:
    that: calibreweb_enabled | type_debug == 'bool'
    fail_msg: "PLEASE GIVE VARIABLE 'calibreweb_enabled' A PROPER (UNQUOTED) ANSIBLE BOOLEAN VALUE e.g. IN: /etc/iiab/local_vars.yml"
    quiet: yes


- name: Install Calibre-Web if 'calibreweb_installed' not defined, e.g. in {{ iiab_state_file }}    # /etc/iiab/iiab_state.yml
  include_tasks: install.yml
  when: calibreweb_installed is undefined


- name: Enable & Restart 'calibre-web' systemd service, if calibreweb_enabled
  systemd:
    name: calibre-web
    daemon_reload: yes
    enabled: yes
    state: restarted
  when: calibreweb_enabled | bool

- name: Disable & Stop 'calibre-web' systemd service, if not calibreweb_enabled
  systemd:
    name: calibre-web
    enabled: no
    state: stopped
  when: not calibreweb_enabled

- name: Enable/Disable/Restart Apache if primary
  include_tasks: apache.yml
  when: not nginx_enabled

- name: Enable/Disable/Restart NGINX if primary
  include_tasks: nginx.yml
  when: nginx_enabled | bool


- name: Add 'calibre-web' variable values to {{ iiab_ini_file }}
  ini_file:
    path: "{{ iiab_ini_file }}"    # /etc/iiab/iiab.ini
    section: calibre-web
    option: "{{ item.option }}"
    value: "{{ item.value | string }}"
  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 e-books."'
    - option: calibreweb_url1
      value: "{{ calibreweb_url1 }}"
    - option: calibreweb_url2
      value: "{{ calibreweb_url2 }}"
    - option: calibreweb_url3
      value: "{{ calibreweb_url3 }}"
    - option: calibreweb_path
      value: "{{ calibreweb_venv_path }}"
    - option: calibreweb_home
      value: "{{ calibreweb_home }}"
    - option: calibreweb_port
      value: "{{ calibreweb_port }}"
    - option: calibreweb_database
      value: "{{ calibreweb_database }}"
    - option: calibreweb_enabled
      value: "{{ calibreweb_enabled }}"