---

- name: Fail if required appservice-discord settings not defined
  ansible.builtin.fail:
    msg: >-
      You need to define a required configuration setting (`{{ item.name }}`).
  when: "item.when | bool and vars[item.name] == ''"
  with_items:
    - {'name': 'matrix_appservice_discord_client_id', when: true}
    - {'name': 'matrix_appservice_discord_bot_token', when: true}
    - {'name': 'matrix_appservice_discord_appservice_token', when: true}
    - {'name': 'matrix_appservice_discord_homeserver_token', when: true}
    - {'name': 'matrix_appservice_discord_homeserver_domain', when: true}
    - {'name': 'matrix_appservice_discord_container_network', when: true}
    - {'name': 'matrix_appservice_discord_database_hostname', when: "{{ matrix_appservice_discord_database_engine == 'postgres' }}"}

- name: (Deprecation) Catch and report renamed appservice-discord variables
  ansible.builtin.fail:
    msg: >-
      Your configuration contains a variable, which now has a different name.
      Please change your configuration to rename the variable (`{{ item.old }}` -> `{{ item.new }}`).
  when: "item.old in vars"
  with_items:
    - {'old': 'matrix_appservice_discord_container_expose_client_server_api_port', 'new': '<superseded by matrix_appservice_discord_container_http_host_bind_port>'}

- name: Require a valid database engine
  ansible.builtin.fail:
    msg: "`matrix_appservice_discord_database_engine` needs to be either 'sqlite' or 'postgres'"
  when: "matrix_appservice_discord_database_engine not in ['sqlite', 'postgres']"
