---
- name: Check if Timeshift is installed
  ansible.builtin.command: timeshift --version
  register: timeshift_check
  failed_when: false
  changed_when: false

- name: Install Timeshift
  ansible.builtin.apt:
    name: timeshift
    state: present
  become: true
  when:
    - timeshift_install | default(true) | bool
    - timeshift_check.rc != 0

- name: Create Timeshift snapshot directory
  ansible.builtin.file:
    path: "{{ timeshift_snapshot_location }}"
    state: directory
    mode: '0755'
  become: true
  when: timeshift_install | default(true) | bool

- name: Create snapshot before playbook execution
  ansible.builtin.command: >
    timeshift --create
    --comments "{{ timeshift_snapshot_description }}"
    --tags {{ timeshift_snapshot_tags | join(',') }}
    --scripted
  become: true
  register: timeshift_snapshot_result
  when:
    - timeshift_auto_snapshot | default(true) | bool
    - timeshift_check.rc == 0 or timeshift_install | default(true) | bool
  changed_when: "'Snapshot created successfully' in timeshift_snapshot_result.stdout or 'Created snapshot' in timeshift_snapshot_result.stdout"
  failed_when: >
    timeshift_snapshot_result.rc != 0
    and "'already exists' not in timeshift_snapshot_result.stderr | default('')"
    and "'Snapshot created' not in timeshift_snapshot_result.stderr | default('')"
  ignore_errors: true

- name: Display snapshot information
  ansible.builtin.debug:
    msg:
      - "Timeshift snapshot operation completed"
      - "Output: {{ timeshift_snapshot_result.stdout | default('Check with: sudo timeshift --list') }}"
      - "To list snapshots: sudo timeshift --list"
      - "To restore: sudo timeshift --restore --snapshot 'SNAPSHOT_NAME'"
  when:
    - timeshift_auto_snapshot | default(true) | bool
    - timeshift_snapshot_result is defined