# SPDX-FileCopyrightText: 2019 - 2024 Slavi Pantaleev
# SPDX-FileCopyrightText: 2024 Charles Wright
# SPDX-FileCopyrightText: 2024 MDAD project contributors
#
# SPDX-License-Identifier: AGPL-3.0-or-later

---

- name: Fail if required Synapse 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] | string | length == 0"
  with_items:
    - {'name': 'matrix_synapse_username', when: true}
    - {'name': 'matrix_synapse_uid', when: true}
    - {'name': 'matrix_synapse_gid', when: true}
    - {'name': 'matrix_synapse_container_network', when: true}
    - {'name': 'matrix_synapse_macaroon_secret_key', when: true}
    - {'name': 'matrix_synapse_database_host', when: true}
    - {'name': 'matrix_synapse_database_user', when: true}
    - {'name': 'matrix_synapse_database_password', when: true}
    - {'name': 'matrix_synapse_database_database', when: true}

    - {'name': 'matrix_synapse_container_labels_public_client_root_traefik_hostname', when: "{{ matrix_synapse_container_labels_public_client_root_enabled }}"}
    - {'name': 'matrix_synapse_container_labels_public_client_root_redirection_url', when: "{{ matrix_synapse_container_labels_public_client_root_redirection_enabled }}"}

    - {'name': 'matrix_synapse_container_labels_public_client_api_traefik_hostname', when: "{{ matrix_synapse_container_labels_public_client_api_enabled }}"}

    - {'name': 'matrix_synapse_container_labels_internal_client_api_traefik_entrypoints', when: "{{ matrix_synapse_container_labels_internal_client_api_enabled }}"}
    - {'name': 'matrix_synapse_container_labels_internal_client_synapse_admin_api_traefik_entrypoints', when: "{{ matrix_synapse_container_labels_internal_client_synapse_admin_api_enabled }}"}

    - {'name': 'matrix_synapse_container_labels_public_client_synapse_client_api_traefik_hostname', when: "{{ matrix_synapse_container_labels_public_client_synapse_client_api_enabled }}"}
    - {'name': 'matrix_synapse_container_labels_public_client_synapse_admin_api_traefik_hostname', when: "{{ matrix_synapse_container_labels_public_client_synapse_admin_api_enabled }}"}

    - {'name': 'matrix_synapse_container_labels_public_federation_api_traefik_hostname', when: "{{ matrix_synapse_container_labels_public_federation_api_enabled }}"}
    - {'name': 'matrix_synapse_container_labels_public_federation_api_traefik_entrypoints', when: "{{ matrix_synapse_container_labels_public_federation_api_enabled }}"}

    - {'name': 'matrix_synapse_metrics_proxying_hostname', when: "{{ matrix_synapse_metrics_proxying_enabled }}"}
    - {'name': 'matrix_synapse_metrics_proxying_path_prefix', when: "{{ matrix_synapse_metrics_proxying_enabled }}"}

    - {'name': 'matrix_synapse_experimental_features_msc3861_issuer', when: "{{ matrix_synapse_experimental_features_msc3861_enabled }}"}
    - {'name': 'matrix_synapse_experimental_features_msc3861_client_id', when: "{{ matrix_synapse_experimental_features_msc3861_enabled }}"}
    - {'name': 'matrix_synapse_experimental_features_msc3861_client_auth_method', when: "{{ matrix_synapse_experimental_features_msc3861_enabled }}"}
    - {'name': 'matrix_synapse_experimental_features_msc3861_client_secret', when: "{{ matrix_synapse_experimental_features_msc3861_enabled }}"}
    - {'name': 'matrix_synapse_experimental_features_msc3861_admin_token', when: "{{ matrix_synapse_experimental_features_msc3861_enabled }}"}
    - {'name': 'matrix_synapse_experimental_features_msc3861_account_management_url', when: "{{ matrix_synapse_experimental_features_msc3861_enabled }}"}

    - {'name': 'matrix_synapse_container_labels_traefik_compression_middleware_name', when: "{{ matrix_synapse_container_labels_traefik_compression_middleware_enabled }}"}

# If only MSC 4108 is enabled, Synapse fails with: "MSC4108 requires MSC3861 to be enabled"
- name: Fail if Synapse experimental feature QR code login (MSC4108) is enabled while Next-Gen Auth (MSC3861) is not
  ansible.builtin.fail:
    msg: >-
      QR code login (MSC4108) requires Next-Gen Auth (MSC3861) to be enabled or Synapse will fail to start.
      Enable `matrix_synapse_experimental_features_msc3861_enabled` when using `matrix_synapse_experimental_features_msc4108_enabled`.
  when: "matrix_synapse_experimental_features_msc4108_enabled and not matrix_synapse_experimental_features_msc3861_enabled"

- name: Fail if asking for more than 1 instance of single-instance workers
  ansible.builtin.fail:
    msg: >-
      `{{ item }}` cannot be more than 1. This is a single-instance worker.
  when: "vars[item] | int > 1"
  with_items:
    - "matrix_synapse_workers_appservice_workers_count"
    - "matrix_synapse_workers_user_dir_workers_count"
    - "matrix_synapse_workers_background_workers_count"
    - "matrix_synapse_workers_stream_writer_typing_stream_workers_count"
    - "matrix_synapse_workers_stream_writer_to_device_stream_workers_count"
    - "matrix_synapse_workers_stream_writer_account_data_stream_workers_count"
    - "matrix_synapse_workers_stream_writer_receipts_stream_workers_count"
    - "matrix_synapse_workers_stream_writer_presence_stream_workers_count"

- name: Fail when mixing generic workers with new specialized workers
  ansible.builtin.fail:
    msg: >-
      Generic workers should not be mixed with the new specialized worker types (room workers, sync workers, client readers, and federation readers)
  when: matrix_synapse_workers_generic_workers_count | int > 0 and ((matrix_synapse_workers_room_workers_count | int + matrix_synapse_workers_sync_workers_count | int + matrix_synapse_workers_client_reader_workers_count | int + matrix_synapse_workers_federation_reader_workers_count | int) > 0)

- name: (Deprecation) Catch and report renamed settings
  ansible.builtin.fail:
    msg: >-
      Your configuration contains a variable, which now has a different name.
      Please rename the variable (`{{ item.old }}` -> `{{ item.new }}`) on your configuration file (vars.yml).
  when: "lookup('ansible.builtin.varnames', ('^' + item.old + '$'), wantlist=True) | length > 0"
  with_items:
    - {'old': 'matrix_synapse_email_riot_base_url', 'new': '<superseded by client_base_url>'}
    - {'old': 'matrix_synapse_container_expose_api_port', 'new': '<superseded by matrix_synapse_container_federation_api_plain_host_bind_port>'}
    - {'old': 'matrix_synapse_no_tls', 'new': '<removed>'}
    - {'old': 'matrix_enable_room_list_search', 'new': 'matrix_synapse_enable_room_list_search'}
    - {'old': 'matrix_alias_creation_rules', 'new': 'matrix_synapse_alias_creation_rules'}
    - {'old': 'matrix_room_list_publication_rules', 'new': 'matrix_synapse_room_list_publication_rules'}
    - {'old': 'matrix_synapse_rc_messages_per_second', 'new': '<per_second subkey of matrix_synapse_rc_message>'}
    - {'old': 'matrix_synapse_rc_message_burst_count', 'new': '<burst_count subkey of matrix_synapse_rc_message>'}
    - {'old': 'matrix_synapse_federation_rc_window_size', 'new': '<window_size subkey of matrix_synapse_rc_federation>'}
    - {'old': 'matrix_synapse_federation_rc_sleep_limit', 'new': '<sleep_limit subkey of matrix_synapse_rc_federation>'}
    - {'old': 'matrix_synapse_federation_rc_sleep_delay', 'new': '<sleep_delay subkey of matrix_synapse_rc_federation>'}
    - {'old': 'matrix_synapse_federation_rc_reject_limit', 'new': '<reject_limit subkey of matrix_synapse_rc_federation>'}
    - {'old': 'matrix_synapse_federation_rc_concurrent', 'new': '<concurrent subkey of matrix_synapse_rc_federation>'}
    - {'old': 'matrix_synapse_container_expose_client_api_port', 'new': '<superseded by matrix_synapse_container_client_api_host_bind_port>'}
    - {'old': 'matrix_synapse_container_expose_federation_api_port', 'new': '<superseded by matrix_synapse_container_federation_api_plain_host_bind_port>'}
    - {'old': 'matrix_synapse_container_expose_metrics_port', 'new': '<superseded by matrix_synapse_container_metrics_api_host_bind_port>'}
    - {'old': 'matrix_synapse_cache_factor', 'new': 'matrix_synapse_caches_global_factor'}
    - {'old': 'matrix_synapse_trusted_third_party_id_servers', 'new': '<deprecated in Synapse v0.99.4 and removed in Synapse v1.19.0>'}
    - {'old': 'matrix_synapse_use_presence', 'new': 'matrix_synapse_presence_enabled'}
    - {'old': 'matrix_synapse_version_arm64', 'new': '<superseded by matrix_synapse_version - see https://github.com/matrix-org/synapse/pull/11810>'}
    - {'old': 'matrix_synapse_enable_group_creation', 'new': '<removed in Synapse v1.61.0 - use the new Spaces feature instead>'}
    - {'old': 'matrix_synapse_account_threepid_delegates_email', 'new': '<removed in Synapse v1.66.0 - make sure to configure email settings for Synapse - see https://matrix-org.github.io/synapse/v1.66/upgrade.html#delegation-of-email-validation-no-longer-supported>'}
    - {'old': 'matrix_synapse_workers_frontend_proxy_workers_count', 'new': '<removed in favor of generic workers - see https://github.com/matrix-org/synapse/pull/13645>'}
    - {'old': 'matrix_synapse_workers_frontend_proxy_workers_port_range_start', 'new': '<removed in favor of generic workers - see https://github.com/matrix-org/synapse/pull/13645>'}
    - {'old': 'matrix_synapse_workers_frontend_proxy_workers_metrics_range_start', 'new': '<removed in favor of generic workers - see https://github.com/matrix-org/synapse/pull/13645>'}
    - {'old': 'matrix_synapse_ext_s3_storage_provider_path', 'new': 'matrix_synapse_ext_s3_storage_provider_base_path'}
    - {'old': 'matrix_synapse_send_federation', 'new': '<unnecessary - Synapse relies on federation_sender_instances now>'}
    - {'old': 'matrix_synapse_start_pushers', 'new': '<unnecessary - Synapse relies on pusher_instances now>'}
    - {'old': 'matrix_synapse_spam_checker', 'new': '<superseded by matrix_synapse_modules>'}
    - {'old': 'matrix_synapse_caches_autotuning_max_cache_memory_usage', 'new': 'matrix_synapse_cache_autotuning_max_cache_memory_usage'}
    - {'old': 'matrix_synapse_caches_autotuning_target_cache_memory_usage', 'new': 'matrix_synapse_cache_autotuning_target_cache_memory_usage'}
    - {'old': 'matrix_synapse_caches_autotuning_min_cache_ttl', 'new': 'matrix_synapse_cache_autotuning_min_cache_ttl'}
    - {'old': 'matrix_synapse_memtotal_kb', 'new': '<superseded by matrix_synapse_cache_size_calculations_memtotal_bytes>'}
    - {'old': 'matrix_synapse_docker_image_name_prefix', 'new': 'matrix_synapse_docker_image_registry_prefix'}
    - {'old': 'matrix_s3_goofys_docker_image_name_prefix', 'new': 'matrix_s3_goofys_docker_image_registry_prefix'}
    - {'old': 'matrix_synapse_rust_synapse_compress_state_docker_image_name_prefix', 'new': 'matrix_synapse_rust_synapse_compress_state_docker_image_registry_prefix'}

- name: (Deprecation) Catch and report renamed settings in matrix_synapse_configuration_extension_yaml
  ansible.builtin.fail:
    msg: >-
      Your matrix_synapse_configuration_extension_yaml configuration contains a variable, which now has a different name.
      Please rename the variable (`{{ item.old }}` -> `{{ item.new }}`) on your configuration file (vars.yml).
  when: "item.old in matrix_synapse_configuration_extension"
  with_items:
    - {'old': 'federation_ip_range_blacklist', 'new': 'ip_range_blacklist'}

- when: matrix_synapse_container_image_customizations_templates_enabled | bool
  block:
    - name: Fail if required `matrix_synapse_container_image_customizations_templates_*` settings not defined
      ansible.builtin.fail:
        msg: >-
          You need to define a required configuration setting (`{{ item }}`) when enabling `matrix_synapse_container_image_customizations_templates_enabled`.
      when: "vars[item] == ''"
      with_items:
        - matrix_synapse_container_image_customizations_templates_git_repository_url
        - matrix_synapse_container_image_customizations_templates_git_repository_branch

    - name: Fail if required `matrix_synapse_container_image_customizations_templates_git_repository_keyscan_*` settings not defined
      ansible.builtin.fail:
        msg: >-
          You need to define a required configuration setting (`{{ item }}`) when enabling `matrix_synapse_container_image_customizations_templates_git_repository_keyscan`.
      when: "matrix_synapse_container_image_customizations_templates_git_repository_keyscan_enabled | bool and vars[item] == ''"
      with_items:
        - matrix_synapse_container_image_customizations_templates_git_repository_keyscan_hostname


- name: Fail when auto-accept-invite enabled as a native feature and a module at the same time
  ansible.builtin.fail:
    msg: >-
      Your configuration enables the auto-accept invites feature both as a native Synapse feature (`matrix_synapse_auto_accept_invites_enabled`) and a 3rd party module (`matrix_synapse_ext_synapse_auto_accept_invite_enabled`).
      This is unnecessary, since they both do the same and the native feature is built on top of the 3rd party module anyway.
      Enabling both at the same time will lead to issues.
      We recommend leaving `matrix_synapse_auto_accept_invites_enabled` in your configuration and removing `matrix_synapse_ext_synapse_auto_accept_invite_enabled`.
  when:
    - matrix_synapse_auto_accept_invites_enabled
    - matrix_synapse_ext_synapse_auto_accept_invite_enabled

- name: Fail if known Synapse password provider modules are enabled when auth is delegated to Matrix Authentication Service
  ansible.builtin.fail:
    msg: "When Synapse is delegating authentication to Matrix Authentication Service, it does not make sense to enable password provider modules, because it is not Synapse that is handling authentication. Please disable {{ item }} before enabling Matrix Authentication Service integration for Synapse. Synapse will refuse to start otherwise."
  when: matrix_synapse_experimental_features_msc3861_enabled and vars[item] | bool
  with_items:
    - matrix_synapse_ext_password_provider_rest_auth_enabled
    - matrix_synapse_ext_password_provider_shared_secret_auth_enabled
    - matrix_synapse_ext_password_provider_ldap_enabled

- name: Fail if password config is enabled for Synapse when auth is delegated to Matrix Authentication Service
  ansible.builtin.fail:
    msg: "When Synapse is delegating authentication to Matrix Authentication Service, it doesn't make sense to enable the password config (`matrix_synapse_password_config_enabled: true`), because it is not Synapse that is handling authentication. Please remove your `matrix_synapse_password_config_enabled: true` setting before enabling Matrix Authentication Service integration for Synapse. Synapse will refuse to start otherwise."
  when: matrix_synapse_experimental_features_msc3861_enabled and matrix_synapse_password_config_enabled

- name: Fail if QR code login (MSC4108) is enabled while Next-Gen Auth (MSC3861) is not
  ansible.builtin.fail:
    msg: "When Synapse QR code login is enabled (MSC4108 via `matrix_synapse_experimental_features_msc4108_enabled`), Next-Gen auth (MSC3861 via `matrix_synapse_experimental_features_msc3861_enabled`) must also be enabled."
  when: matrix_synapse_experimental_features_msc4108_enabled and not matrix_synapse_experimental_features_msc3861_enabled
