- name: Gather network interfaces with `vars` name
  ansible.builtin.set_fact:
    _gather_ip_interfaces_with_vars_name: "{{ ansible_interfaces | map('regex_replace', '^', 'ansible_') | map('regex_replace', '[^a-zA-Z0-9]', '_') }}"

- name: Gather network interface information
  ansible.builtin.set_fact:
    interfaces: "{{ _gather_ip_interfaces_with_vars_name | map('extract', vars) }}"

- name: Gather all IPv4 addresses of interface
  ansible.builtin.set_fact:
    all_ipv4_addresses: "{{ (all_ipv4_addresses | default([])) + new_items }}"
  loop: "{{ ansible_interfaces }}"
  when: vars['ansible_' + item | regex_replace('[^a-zA-Z0-9]', '_')].ipv4 is defined
  vars:
    new_items: "{{
      (
        [vars['ansible_' + item | regex_replace('[^a-zA-Z0-9]', '_')].ipv4]
        + vars['ansible_' + item | regex_replace('[^a-zA-Z0-9]', '_')].ipv4_secondaries | default([])
      ) | map('combine', {'interface': item})
      }}"

- name: Gather all IPv6 addresses of interface
  ansible.builtin.set_fact:
    all_ipv6_addresses: "{{ (all_ipv6_addresses | default([])) + new_items }}"
  loop: "{{ ansible_interfaces }}"
  when: vars['ansible_' + item | regex_replace('[^a-zA-Z0-9]', '_')].ipv6 is defined
  vars:
    new_items: "{{
        vars['ansible_' + item | regex_replace('[^a-zA-Z0-9]', '_')].ipv6 | map('combine', {'interface': item})
      }}"

- name: Compute additional info for IPv4
  ansible.builtin.set_fact:
    all_ipv4_addresses: "{{ all_ipv4_addresses | difference([item]) | list + [item | combine(additional_info)] }}"
  loop: "{{ all_ipv4_addresses }}"
  vars:
    additional_info:
      network_prefix: "{{ item.network }}/{{ item.prefix }}"
      address_prefix: "{{ item.address }}/{{ item.prefix }}"
  loop_control:
    label: "{{ item.interface }}: {{ item.address }}"

- name: Compute additional info for IPv6
  ansible.builtin.set_fact:
    all_ipv6_addresses: "{{ all_ipv6_addresses | difference([item]) | list + [item | combine(additional_info)] }}"
  loop: "{{ all_ipv6_addresses }}"
  vars:
    additional_info:
      address_prefix: "{{ item.address }}/{{ item.prefix }}"
  loop_control:
    label: "{{ item.interface }}: {{ item.address }}"