---
- name: Read snippet from template file
  ansible.builtin.set_fact:
    caddy_snippet_block: "{{ lookup('template', 'files/Caddyfile.j2') }}"

- name: Read current Caddyfile
  ansible.builtin.slurp:
    path: "{{ caddy_caddyfile_path }}"
  register: caddy_caddyfile_raw

- name: Decode Caddyfile content
  ansible.builtin.set_fact:
    caddy_caddyfile_content: "{{ caddy_caddyfile_raw['content'] | b64decode }}"

- name: Check if snippet already exists
  ansible.builtin.set_fact:
    caddy_snippet_present: "{{ caddy_snippet_block in caddy_caddyfile_content }}"

- name: Add or update snippet in Caddyfile
  ansible.builtin.blockinfile:
    path: "{{ caddy_caddyfile_path }}"
    marker: "# {mark} Ansible managed Caddy snippet for {{ host }}"
    block: "{{ caddy_snippet_block }}"
    create: true
    mode: "0644"
  notify: Reload Caddy configuration