- name: Ensure certs directory exists
  ansible.builtin.file:
    path: /etc/ansible_certs
    state: directory
    owner: root
    group: root
    mode: "755"
  become: true

- name: Ensure sub-directory for the certificate exists
  ansible.builtin.file:
    path: "/etc/ansible_certs/{{ item }}"
    state: directory
    owner: "{{ cert__owner }}"
    group: "{{ cert__group }}"
    mode: "755"
  become: true

- name: Ensure private key is generated
  community.crypto.openssl_privatekey:
    path: "/etc/ansible_certs/{{ item }}/key.pem"
    size: 4096
    type: RSA
    owner: "{{ cert__owner }}"
    group: "{{ cert__group }}"
    mode: "0600"
  become: true

- name: Ensure certificate signing request is created
  community.crypto.openssl_csr:
    path: "/etc/ansible_certs/{{ item }}/csr.pem"
    privatekey_path: "/etc/ansible_certs/{{ item }}/key.pem"
    common_name: "{{ item }}"
    owner: "{{ cert__owner }}"
    group: "{{ cert__group }}"
    mode: "0660"
  become: true
  register: cert__csr_result

- name: Check certificate status and create ACME challenge if needed
  community.crypto.acme_certificate:
    account_email: "{{ cert__acme_account.email }}"
    account_key_content: "{{ cert__acme_account.key }}"
    acme_directory: https://acme-v02.api.letsencrypt.org/directory
    acme_version: 2
    remaining_days: 28
    terms_agreed: true
    challenge: dns-01
    csr: "/etc/ansible_certs/{{ item }}/csr.pem"
    dest: "/etc/ansible_certs/{{ item }}/cert.pem"
    fullchain_dest: "/etc/ansible_certs/{{ item }}/fullchain.pem"
  become: true
  register: cert__acme_challenge

- name: Retrieve certificate and fulfill challenge if needed # noqa no-handler
  when: cert__acme_challenge.changed # Can't be put in a handler, because then the block "always" tasks won't be executed for some reason
  block:
    - name: Set DNS record via Cloudflare API to fulfill the challenge
      when: not cert__acme_challenge.authorizations[item].status == "valid"
      community.general.cloudflare_dns:
        api_token: "{{ cert__cloudflare_dns.api_token }}"
        zone: "{{ cert__cloudflare_dns.zone }}"
        record: "{{ cert__acme_challenge.challenge_data[item]['dns-01'].record }}"
        value: "{{ cert__acme_challenge.challenge_data[item]['dns-01'].resource_value }}"
        type: TXT
        ttl: 60
        solo: true
        state: present
    - name: Retrieve certificate
      community.crypto.acme_certificate:
        account_email: "{{ cert__acme_account.email }}"
        account_key_content: "{{ cert__acme_account.key }}"
        acme_directory: https://acme-v02.api.letsencrypt.org/directory
        acme_version: 2
        terms_agreed: true
        remaining_days: 28
        challenge: dns-01
        csr: "/etc/ansible_certs/{{ item }}/csr.pem"
        dest: "/etc/ansible_certs/{{ item }}/cert.pem"
        fullchain_dest: "/etc/ansible_certs/{{ item }}/fullchain.pem"
        data: "{{ cert__acme_challenge }}"
      become: true
      notify: "{{ cert__handlers }}"
  always:
    - name: Ensure DNS record is removed
      when: not cert__acme_challenge.authorizations[item].status == "valid"
      community.general.cloudflare_dns:
        api_token: "{{ cert__cloudflare_dns.api_token }}"
        zone: "{{ cert__cloudflare_dns.zone }}"
        record: "{{ cert__acme_challenge.challenge_data[item]['dns-01'].record }}"
        value: "{{ cert__acme_challenge.challenge_data[item]['dns-01'].resource_value }}"
        type: TXT
        ttl: 60
        state: absent

- name: Ensure correct permissions for certificate are set
  ansible.builtin.file:
    path: "/etc/ansible_certs/{{ item }}/cert.pem"
    owner: "{{ cert__owner }}"
    group: "{{ cert__group }}"
    mode: "0660"
  become: true

- name: Ensure correct permissions for fullchain cert are set
  ansible.builtin.file:
    path: "/etc/ansible_certs/{{ item }}/fullchain.pem"
    owner: "{{ cert__owner }}"
    group: "{{ cert__group }}"
    mode: "0660"
  become: true

- name: Get content of cert.pem
  ansible.builtin.slurp:
    src: "/etc/ansible_certs/{{ item }}/cert.pem"
  become: true
  register: cert__cert_slurp

- name: Get content of fullchain.pem
  ansible.builtin.slurp:
    src: "/etc/ansible_certs/{{ item }}/fullchain.pem"
  become: true
  register: cert__fullchain_slurp

- name: Ensure ca.pem is created
  ansible.builtin.copy:
    content: "{{ cert__fullchain_slurp.content | b64decode | replace(cert__cert_slurp.content | b64decode, '') }}"
    dest: "/etc/ansible_certs/{{ item }}/ca.pem"
    owner: "{{ cert__owner }}"
    group: "{{ cert__group }}"
    mode: "0660"
  become: true