- name: determine host architecture
  include_tasks: tasks/get_host_arch.yml


- name: create acme-client directory
  file:
    path: "{{ item }}"
    state: directory
    mode: 0700
    owner: "{{ caddy_user }}"
    group: "{{ caddy_group }}"
  loop:
    - "{{ caddy_acmedns_client_bin_dir }}"
    - "{{ caddy_acmedns_client_dir }}"


- name: get and extract latest acme-dns-client version
  include_tasks: tasks/get_lastversion.yml
  vars:
    package:
      name: acme-dns/acme-dns-client
      location: github
      assets: yes
      asset_filter: "{{ 'linux_' ~ host_architecture ~ '.tar.gz$' }}"
      file: "{{ (caddy_acmedns_client_bin_dir, 'last_acme_client_version') | path_join }}"
      extract: "{{ caddy_acmedns_client_bin_dir }}"
      user: "{{ caddy_user }}"
      group: "{{ caddy_group }}"


- name: ensure acme-dns-client binary has executable bit set
  file:
    path: "{{ (caddy_acmedns_client_bin_dir, 'acme-dns-client') | path_join }}"
    mode: "+x"


- block:
    - name: remove unnecessary files
      file:
        path: "{{ (caddy_acmedns_client_bin_dir, item) | path_join }}"
        state: absent
      loop:
        - LICENSE
        - README.md
  rescue:
    - meta: noop


- name: clear acme-dns-client domain fact
  set_fact:
    acmedns_current_domains: "{{ [] }}"


- name: check if acme-dns-client config exists
  stat:
    path: "{{ caddy_acmedns_client_file }}"
    get_checksum: no
    get_attributes: no
    get_mime: no
  register: result


- block:
    - name: get acme-dns-client config file
      slurp:
        path: "{{ caddy_acmedns_client_file }}"
      register: file_content

    - name: set acme-dns-client domain fact
      set_fact:
        acmedns_current_domains: "{{ file_content.content | b64decode | from_json | dict2items | map(attribute='key') | list }}"

  when: result.stat.exists
  no_log: yes


- name: show domain information
  debug:
    msg: |
      acme-dns-client currently manages these FQDNs: {{ '(none)' if acmedns_current_domains | length == 0 else acmedns_current_domains | join(', ') }}
      acme-dns-client does not yet manage these FQDNs: {{ caddy_domains | difference(acmedns_current_domains) | join(', ') }}


- name: register a record with acme-dns-client for each unmanaged domain
  include_tasks: register_acme_domain.yml
  vars:
    domain: "{{ item }}"
  loop: "{{ caddy_domains | difference(acmedns_current_domains) }}"