---

- ansible.builtin.set_fact:
    matrix_systemd_services_list: "{{ matrix_systemd_services_list + ['matrix-cactus-comments.service'] }}"
  when: matrix_cactus_comments_enabled | bool

# If the matrix-synapse role is not used, these variables may not exist.
- ansible.builtin.set_fact:
    matrix_homeserver_container_runtime_injected_arguments: >
      {{
        matrix_homeserver_container_runtime_injected_arguments | default([])
        +
        ["--mount type=bind,src={{ matrix_cactus_comments_app_service_config_file }},dst=/matrix-cactus-comments.yaml,ro"]
      }}

    matrix_homeserver_app_service_runtime_injected_config_files: >
      {{
        matrix_homeserver_app_service_runtime_injected_config_files | default([])
        +
        ["/matrix-cactus-comments.yaml"]
      }}
  when: matrix_cactus_comments_enabled | bool

- when: matrix_cactus_comments_enabled | bool and matrix_cactus_comments_serve_client_enabled | bool
  tags:
    - always
  block:
    - name: Fail if matrix-nginx-proxy role already executed
      ansible.builtin.fail:
        msg: >-
          Trying to append Cactus Comment's reverse-proxying configuration to matrix-nginx-proxy,
          but it's pointless since the matrix-nginx-proxy role had already executed.
          To fix this, please change the order of roles in your playbook,
          so that the matrix-nginx-proxy role would run after the matrix-cactus-comments role.
      when: matrix_nginx_proxy_role_executed | default(False) | bool

    - name: Mount volume
      ansible.builtin.set_fact:
        matrix_nginx_proxy_container_additional_volumes: >
          {{
            matrix_nginx_proxy_container_additional_volumes | default([])
            +
            [{"src": "{{ matrix_cactus_comments_client_path }}", "dst": "/cactus-comments/cactus-comments", "options": "ro"}]
          }}

    - name: Generate Cactus Comment proxying configuration for matrix-nginx-proxy
      ansible.builtin.set_fact:
        matrix_cactus_comments_nginx_proxy_configuration: |
          location {{ matrix_cactus_comments_client_endpoint }} {
              root {{ matrix_cactus_comments_client_nginx_path }};
          }

    - name: Register Cactus Comment proxying configuration with matrix-nginx-proxy
      ansible.builtin.set_fact:
        matrix_nginx_proxy_proxy_matrix_additional_server_configuration_blocks: |
          {{
            matrix_nginx_proxy_proxy_matrix_additional_server_configuration_blocks | default([])
            +
            [matrix_cactus_comments_nginx_proxy_configuration]
          }}

    - name: Warn about reverse-proxying if matrix-nginx-proxy not used
      ansible.builtin.debug:
        msg: >-
          NOTE: You've enabled Cactus Comments but are not using the matrix-nginx-proxy
          reverse proxy.
          Please make sure that you're proxying client files in {{ matrix_cactus_comments_client_path }} correctly
      when: "not matrix_nginx_proxy_enabled | default(False) | bool"
