---
- name: Create download directory
  file:
    dest: "{{ raspios_download_dir }}"
    state: directory

- name: fetch imageutility os list from download server
  check_mode: no
  uri:
    url: "{{ raspios_download_url }}/os_list_imagingutility_v4.json"
    body_format: json
  register: raspios_os_list_imagingutility

- set_fact:
    raspios_download_url_image: "{{ raspios_os_list_imagingutility.json.os_list | raspios_extract_latest_image_download_url(raspios_variant, raspios_codename, raspios_arch) }}"

- name: download the raspios image
  block:
  - name: download sha256sum and signature
    loop:
    - sha256
    - sig
    get_url:
      url: "{{ raspios_download_url_image }}.{{ item }}"
      dest: "{{ raspios_download_dir }}/{{ raspios_download_image_base_name }}.{{ item }}"

  - name: extract SHA256 hash of the image archive
    command: grep '{{ raspios_download_image_base_name }}' "{{ raspios_download_dir }}/{{ raspios_download_image_base_name }}.sha256"
    changed_when: False
    register: sha256

  - name: download image
    get_url:
      url: "{{ raspios_download_url_image }}"
      dest: "{{ raspios_download_dir }}/{{ raspios_download_image_base_name }}"
      checksum: sha256:{{ sha256.stdout.split(' ') | first }}

  - name: check OpenPGP signature
    command: >-
      gpgv --keyring "{{ global_files_dir }}/common/keyrings/raspberrypi-downloads.gpg"
          "{{ raspios_download_dir }}/{{ raspios_download_image_base_name }}.sig" "{{ raspios_download_dir }}/{{ raspios_download_image_base_name }}"
    changed_when: False
    register: raspios_image_gpg_result

  - debug:
      var: raspios_image_gpg_result.stderr_lines

  rescue:
  - name: delete downloaded artifacts
    loop:
      - "{{ raspios_download_dir }}/{{ raspios_download_image_base_name }}-sha256"
      - "{{ raspios_download_dir }}/{{ raspios_download_image_base_name }}.sig"
      - "{{ raspios_download_dir }}/{{ raspios_download_image_base_name }}"
    file:
      path: "{{ item }}"
      state: absent

  - name: the download has failed...
    fail:
      msg: Something borked