---

- name: Ensure systemd is reloaded
  ansible.builtin.service:
    daemon_reload: true

- name: Ensure Matrix services are stopped
  ansible.builtin.service:
    name: "{{ item.name }}"
    state: stopped
  with_items: "{{ matrix_systemd_services_list | sort (attribute='priority,name', reverse=true) }}"
  when: not ansible_check_mode

- name: Ensure Matrix services are started
  ansible.builtin.service:
    name: "{{ item.name }}"
    state: started
    enabled: "{{ matrix_systemd_services_autostart_enabled }}"
  with_items: "{{ matrix_systemd_services_list | sort (attribute='priority,name') }}"
  when: not ansible_check_mode

# If we check service state immediately, we may succeed,
# because it takes some time for the service to attempt to start and actually fail.
#
# Waiting too long (30s) may not work for a similar reason,
# as we may run into systemd's automatic restart logic retrying the service.
- name: Wait a bit, so that services can start (or fail)
  ansible.builtin.wait_for:
    timeout: "{{ matrix_common_after_systemd_service_start_wait_for_timeout_seconds }}"
  delegate_to: 127.0.0.1
  become: false

- when: "ansible_distribution != 'Archlinux'"
  block:
    - name: Populate service facts
      ansible.builtin.service_facts:

    - name: Fail if service isn't detected to be running
      ansible.builtin.fail:
        msg: >-
          {{ item }} was not detected to be running.
          It's possible that there's a configuration problem or another service on your server interferes with it (uses the same ports, etc.).
          Try running `systemctl status {{ item }}` and `journalctl -fu {{ item }}` on the server to investigate.
          If you're on a slow or overloaded server, it may be that services take a longer time to start and that this error is a false-positive.
          You can consider raising the value of the `matrix_common_after_systemd_service_start_wait_for_timeout_seconds` variable.
          See `roles/custom/matrix-common-after/defaults/main.yml` for more details about that.
      with_items: "{{ matrix_systemd_services_list | map(attribute='name') }}"
      when:
        - "item.endswith('.service') and (ansible_facts.services[item] | default(none) is none or ansible_facts.services[item].state != 'running')"

- when: "ansible_distribution == 'Archlinux'"
  block:
    # Currently there is a bug in ansible that renders is incompatible with systemd.
    # service_facts is not collecting the data successfully.
    # Therefore iterating here manually
    - name: Fetch systemd information
      ansible.builtin.systemd:
        name: "{{ item.name }}"
      register: systemdstatus
      with_items: "{{ matrix_systemd_services_list }}"

    - name: Fail if service isn't detected to be running
      ansible.builtin.fail:
        msg: >-
          {{ item.item }} was not detected to be running.
          It's possible that there's a configuration problem or another service on your server interferes with it (uses the same ports, etc.).
          Try running `systemctl status {{ item.item }}` and `journalctl -fu {{ item.item }}` on the server to investigate.
      with_items: "{{ systemdstatus.results }}"
      when: "item.status['ActiveState'] != 'active'"