---
- name: Bootstrap Debian System
  vars:
    bootstrap_debian_release: >-
      {{
        'buster' if (os_version | string) == '10'
        else 'bullseye' if (os_version | string) == '11'
        else 'bookworm' if (os_version | string) == '12'
        else 'trixie' if (os_version | string) == '13'
        else 'sid' if (os_version | string) == 'unstable'
        else 'trixie'
      }}
    bootstrap_debian_package_config: >-
      {{
        lookup('vars', bootstrap_var_key)
      }}
    bootstrap_debian_base_packages: >-
      {{
        bootstrap_debian_package_config.base
        | default([])
        | reject('equalto', '')
        | list
      }}
    bootstrap_debian_extra_packages: >-
      {{
        bootstrap_debian_package_config.extra
        | default([])
        | reject('equalto', '')
        | list
      }}
    bootstrap_debian_base_csv: "{{ bootstrap_debian_base_packages | join(',') }}"
    bootstrap_debian_extra_args: >-
      {{
        bootstrap_debian_extra_packages
        | join(' ')
      }}
  block:
    - name: Validate Debian package configuration
      ansible.builtin.assert:
        that:
          - bootstrap_debian_package_config is mapping
          - bootstrap_debian_package_config.base is defined
          - bootstrap_debian_package_config.base is sequence
          - bootstrap_debian_package_config.base is not string
          - bootstrap_debian_package_config.extra is defined
          - bootstrap_debian_package_config.extra is sequence
          - bootstrap_debian_package_config.extra is not string
        fail_msg: "bootstrap package definition for {{ bootstrap_var_key }} must be a mapping with base/extra lists."
        quiet: true

    - name: Install Debian base system
      ansible.builtin.command: >-
        debootstrap --include={{ bootstrap_debian_base_csv }}
        {{ bootstrap_debian_release }} /mnt http://deb.debian.org/debian/
      register: bootstrap_debian_base_result
      changed_when: bootstrap_debian_base_result.rc == 0

    - name: Install extra packages
      when: bootstrap_debian_extra_packages | length > 0
      ansible.builtin.command: "{{ chroot_command }} apt install -y {{ bootstrap_debian_extra_args }}"
      register: bootstrap_debian_extra_result
      changed_when: bootstrap_debian_extra_result.rc == 0

    - name: Remove unnecessary packages
      ansible.builtin.command: "{{ chroot_command }} apt remove -y libcups2 libavahi-common3 libavahi-common-data"
      register: bootstrap_debian_remove_result
      changed_when: bootstrap_debian_remove_result.rc == 0