---
- name: Include OS specific vars
  ansible.builtin.include_vars: "{{ lookup('first_found', params) }}"
  vars:
    params:
      files:
        - "{{ ansible_lsb.id | default('') | lower }}.yml"
        - "{{ ansible_os_family | lower }}.yml"
      paths:
        - "vars"
      errors: "ignore"

- name: Install lego
  ansible.legacy.unarchive:
    src: https://github.com/go-acme/lego/releases/download/v{{ lego_version }}/lego_v{{ lego_version }}_linux_amd64.tar.gz
    dest: "{{ __lego_bin_dir }}"
    remote_src: True
    extra_opts:
      - "{{ __lego_bin_name }}"
    mode: "0750"

- name: Create lego base dir
  ansible.builtin.file:
    path: "{{ __lego_base_dir }}/hooks"
    state: directory
    owner: root
    group: root
    mode: "0750"

- name: Create LetsEncrypt certificates directory
  ansible.builtin.file:
    path: "{{ __lego_base_dir }}/.lego/certificates"
    state: directory
    owner: root
    group: root
    mode: "0700"
    recurse: True

- name: Create hook scripts
  ansible.builtin.copy:
    content: "{{ item.hook }}"
    dest: "{{ __lego_base_dir }}/hooks/{{ item.name }}.sh"
    owner: root
    group: root
    mode: "0700"
  when: item.hook is defined
  loop: "{{ lego_certificates }}"
  loop_control:
    label: "{{ item.name }}"

- name: Obtain certificates for domains
  ansible.builtin.command: >-
    {{ __lego_bin_file }}
    --accept-tos
    --email="{{ lego_acme_account_email }}"
    --domains {{ " --domains ".join(item.domains) }}
    --key-type="{{ lego_key_type }}"
    --dns="cloudflare"
    {{ '--dns.resolvers="' + lego_dns_resolvers | join(',') + '"' if lego_dns_resolvers | length > 0 else '' }}
    run
    {{ '--run-hook="' + __lego_base_dir + '/hooks/' + item.name + '.sh"' if item.hook is defined else '' }}
  args:
    creates: "{{ __lego_base_dir }}/.lego/certificates/{{ item.domains[0] }}.crt"
  environment:
    LEGO_SERVER: "{{ lego_acme_server }}/directory"
    LEGO_PATH: "{{ __lego_base_dir }}/.lego"
    CLOUDFLARE_DNS_API_TOKEN: "{{ lego_cloudflare_api_token }}"
  when: not item.skip_create | default(False) | bool
  loop: "{{ lego_certificates }}"
  loop_control:
    label: "{{ item.name }}"

- name: Write environment file
  ansible.builtin.template:
    src: etc/sysconfig/lego.j2
    dest: "{{ __lego_systemd_env }}"
    mode: "0600"
  notify: __lego_restart

- name: Write timer file
  ansible.builtin.template:
    src: etc/systemd/system/lego-renew.timer.j2
    dest: /etc/systemd/system/lego-renew.timer
    mode: "0644"
  notify: __lego_restart

- name: Write service file
  ansible.builtin.template:
    src: etc/systemd/system/lego-renew.service.j2
    dest: /etc/systemd/system/lego-renew.service
    mode: "0644"
  notify: __lego_restart

- name: Ensure renew timer is up and running
  ansible.builtin.service:
    name: lego-renew.timer
    daemon_reload: True
    enabled: True
    state: "{{ lego_renew_enabled | ternary('started', 'stopped', 'started') }}"