---

- name: "Define home directory for unix user: {{ unix_user.key }}"
  ansible.builtin.set_fact:
    _unix_users_home: "{{ unix_user.value.home | default('/home/' + unix_user.key) }}"

# userdel cannot remove a btrfs subvolume. Such a home is deleted afterwards via the btrfs_subvolume module.
- name: "Remove unix user: {{ unix_user.key }}"
  ansible.builtin.user:
    name: "{{ unix_user.key }}"
    state: absent
    remove: "{{ not (unix_user.value.btrfs | default(false)) }}"

- name: "Remove btrfs home of unix user: {{ unix_user.key }}"
  when: unix_user.value.btrfs is defined and
        unix_user.value.btrfs
  block:
  - name: "Stat home directory"
    ansible.builtin.stat:
      path: "{{ _unix_users_home }}"
    register: _unix_users_home_stat

  # findmnt fails on a missing path, so the device is only determined as long as the home directory exists.
  - name: "Delete btrfs subvolume of an existing home directory"
    when: _unix_users_home_stat.stat.exists
    block:
    - name: "Find btrfs device"
      ansible.builtin.command:
        cmd: /bin/bash -c "findmnt -no SOURCE -T {{ _unix_users_home }} | sed 's/\[.*\]//'"
      register: _unix_users_btrfs_device
      changed_when: false

    - name: "Delete btrfs subvolume: {{ _unix_users_home }}"
      community.general.btrfs_subvolume:
        filesystem_device: "{{ _unix_users_btrfs_device.stdout }}"
        name: "{{ _unix_users_home }}"
        state: absent