---
- name: Check if applications are already installed
  ansible.builtin.package_facts:
    manager: apt

- name: Set installation conditions
  ansible.builtin.set_fact:
    applications_desktop_apps_needed: >-
      {{
        (applications_desktop_packages | default([]))
        | difference(ansible_facts.packages.keys())
        | length > 0
      }}

- name: Install desktop applications
  ansible.builtin.apt:
    name: "{{ applications_desktop_packages }}"
    state: present
  when: applications_desktop_apps_needed

- name: Display application status
  ansible.builtin.debug:
    msg:
      - "Desktop apps needed: {{ applications_desktop_apps_needed }}"
      - "Redshift: {{ 'Installed' if 'redshift' in ansible_facts.packages else 'Missing' }}"
      - "Evince: {{ 'Installed' if 'evince' in ansible_facts.packages else 'Missing' }}"
  when: ansible_debug_output | default(false) | bool