---
- name: Ensure the service directory exists
  ansible.builtin.file:
    path: "{{ reverse_proxy__base_dir }}"
    state: directory
    mode: "0750"
  # create the scaffold even in --check so dry-run can evaluate templates + compose (idempotent mkdir)
  check_mode: false
  tags: [config]

- name: Ensure the Caddy config directory exists
  ansible.builtin.file:
    path: "{{ reverse_proxy__base_dir }}/caddy"
    state: directory
    mode: "0750"
  # create the scaffold even in --check so dry-run can evaluate templates + compose (idempotent mkdir)
  check_mode: false
  tags: [config]

# Render into a directory that is bind-mounted whole (./caddy -> /etc/caddy). Mounting
# the directory, not the single file, means an atomic template rewrite (which swaps the
# file inode) stays visible inside the running container, so `caddy reload` picks it up.
# A single-file bind mount pins the original inode and reload silently no-ops (ADR-024).
- name: Render the Caddyfile
  ansible.builtin.template:
    src: Caddyfile.j2
    dest: "{{ reverse_proxy__base_dir }}/caddy/Caddyfile"
    mode: "0644"
  notify: reload caddy
  tags: [config]

- name: Render the Gandi DNS-01 token env file
  ansible.builtin.template:
    src: env.j2
    dest: "{{ reverse_proxy__base_dir }}/env"
    mode: "0600"
  no_log: true   # contains the Gandi PAT
  when: reverse_proxy__acme_dns_provider == 'gandi'
  notify: reload caddy
  tags: [config]

- name: Render the compose file
  ansible.builtin.template:
    src: docker-compose.yml.j2
    dest: "{{ reverse_proxy__base_dir }}/docker-compose.yml"
    mode: "0644"
  tags: [config]

- name: Bring the reverse proxy up
  community.docker.docker_compose_v2:
    project_src: "{{ reverse_proxy__base_dir }}"
    state: present
  when: reverse_proxy__manage | bool
  tags: [deploy]