---
- name: Check if Docker is installed
  command: docker --version
  register: docker_check
  ignore_errors: yes
  changed_when: false

- name: Remove unwanted system packages
  apt:
    name: "{{ cleanup_packages }}"
    state: absent
    autoremove: "{{ cleanup_autoremove }}"
    purge: true
  when: cleanup_packages | length > 0

- name: Remove specific SSH authorized keys (if any defined)
  authorized_key:
    user: root
    key: "{{ item }}"
    state: absent
  loop: "{{ cleanup_ssh_keys | default([]) }}"
  when: cleanup_ssh_keys | length > 0

- name: Prune unused Docker containers
  command: docker container prune -f
  when: 
    - cleanup_docker and cleanup_docker_containers
    - docker_check.rc == 0
  changed_when: true

- name: Prune unused Docker images
  command: docker image prune -af
  when: 
    - cleanup_docker and cleanup_docker_images
    - docker_check.rc == 0
  changed_when: true

- name: Prune unused Docker volumes
  command: docker volume prune -f
  when: 
    - cleanup_docker and cleanup_docker_volumes
    - docker_check.rc == 0
  changed_when: true

- name: Prune unused Docker networks
  command: docker network prune -f
  when: 
    - cleanup_docker and cleanup_docker_networks
    - docker_check.rc == 0
  changed_when: true

- name: Remove custom directories (use with caution!)
  file:
    path: "{{ item }}"
    state: absent
  loop: "{{ cleanup_directories | default([]) }}"
  when: cleanup_directories | length > 0

- name: Remove cAdvisor (if cleanup_cadvisor is true)
  block:
    - name: Check if cAdvisor container exists
      shell: docker ps -a --filter name=cadvisor --format "{{ '{{.Names}}' }}"
      register: cadvisor_check
      changed_when: false
      when: docker_check.rc == 0

    - name: Stop and remove cAdvisor container using docker-compose
      community.docker.docker_compose_v2:
        project_src: "{{ cadvisor_base_dir | default('/opt/cadvisor') }}"
        state: absent
      become: yes
      when: 
        - docker_check.rc == 0
        - "'cadvisor' in cadvisor_check.stdout"

    - name: Remove cAdvisor Docker image
      command: docker rmi gcr.io/cadvisor/cadvisor || true
      when: docker_check.rc == 0
      ignore_errors: yes

    - name: Remove cAdvisor directories
      file:
        path: "{{ item }}"
        state: absent
      loop:
        - "{{ cadvisor_base_dir | default('/opt/cadvisor') }}"
        - "{{ cadvisor_config_dir | default('/opt/cadvisor/config') }}"
      ignore_errors: yes

    - name: Verify cAdvisor removal
      shell: |
        echo "Containers: $(docker ps -a | grep cadvisor | wc -l 2>/dev/null || echo 0)"
        echo "Images: $(docker images | grep cadvisor | wc -l 2>/dev/null || echo 0)"
        echo "Directories: $(ls -d {{ cadvisor_base_dir | default('/opt/cadvisor') }}* 2>/dev/null | wc -l || echo 0)"
      register: cadvisor_removal_check
      changed_when: false
      when: docker_check.rc == 0

    - name: Show cAdvisor removal status
      debug:
        msg: "cAdvisor removal status: {{ cadvisor_removal_check.stdout }}"
      when: cadvisor_removal_check is defined

  when: cleanup_cadvisor | default(false) and docker_check.rc == 0