---

- name: Ensure Mautrix Telegram image is pulled
  docker_image:
    name: "{{ matrix_mautrix_telegram_docker_image }}"
  when: "matrix_mautrix_telegram_enabled"

- name: Ensure Mautrix Telegram configuration path exists
  file:
    path: "{{ matrix_mautrix_telegram_base_path }}"
    state: directory
    mode: 0750
    owner: "{{ matrix_user_username }}"
    group: "{{ matrix_user_username }}"
  when: "matrix_mautrix_telegram_enabled"

- stat: "path={{ matrix_mautrix_telegram_base_path }}/config.yaml"
  register: mautrix_config_file

- name: Ensure Matrix Mautrix telegram config installed
  template:
    src: "{{ role_path }}/templates/ext/mautrix-telegram/config.yaml.j2"
    dest: "{{ matrix_mautrix_telegram_base_path }}/config.yaml"
    mode: 0644
    owner: "{{ matrix_user_username }}"
    group: "{{ matrix_user_username }}"
  when: "matrix_mautrix_telegram_enabled and mautrix_config_file.stat.exists == False"

- name: Ensure matrix-mautrix-telegram.service installed
  template:
    src: "{{ role_path }}/templates/ext/mautrix-telegram/systemd/matrix-mautrix-telegram.service.j2"
    dest: "/etc/systemd/system/matrix-mautrix-telegram.service"
    mode: 0644
  when: "matrix_mautrix_telegram_enabled"

- stat:
    path: "{{ matrix_mautrix_telegram_base_path }}/registration.yaml"
  register: mautrix_telegram_registration_file

- name: Generate matrix-mautrix-telegram registration.yaml if it doesn't exist
  shell: /usr/bin/docker run --rm --name matrix-mautrix-telegram-gen -v {{ matrix_mautrix_telegram_base_path }}:/data:z {{ matrix_mautrix_telegram_docker_image }} python3 -m mautrix_telegram -g -c /data/config.yaml -r /data/registration.yaml
  when: "matrix_mautrix_telegram_enabled and mautrix_telegram_registration_file.stat.exists == False"

# - set_fact:
#     matrix_synapse_app_service_config_file_mautrix_telegram: '/app-registration/mautrix-telegram.yml'

# - set_fact:
#     matrix_synapse_container_additional_volumes: >
#       {{ matrix_synapse_container_additional_volumes }}
#       +
#       {{ [{'src': '{{ matrix_mautrix_telegram_base_path }}/registration.yaml', 'dst': '{{ matrix_synapse_app_service_config_file_mautrix_telegram }}', 'options': 'ro'}] }}
#   when: "matrix_mautrix_telegram_enabled"

# - set_fact:
#     matrix_synapse_app_service_config_files: >
#       {{ matrix_synapse_app_service_config_files }}
#       +
#       {{ ["{{ matrix_synapse_app_service_config_file_mautrix_telegram }}"] | to_nice_json  }}
#   when: "matrix_mautrix_telegram_enabled"

# - block:
#   - name: Fail if matrix-nginx-proxy role already executed
#     fail:
#       msg: >
#         Trying to append Mautrix Telegram'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 plabook,
#         so that the matrix-nginx-proxy role would run after the matrix-synapse role.
#     when: "matrix_nginx_proxy_role_executed"

#   - name: Generate Mautrix Telegram proxying configuration for matrix-nginx-proxy
#     set_fact:
#       matrix_mautrix_telegram_matrix_nginx_proxy_configuration: |
#         location {{ matrix_mautrix_telegram_public_endpoint }} {
#         {% if matrix_nginx_proxy_enabled %}
#         	{# Use the embedded DNS resolver in Docker containers to discover the service #}
#         	resolver 127.0.0.11 valid=5s;
#         	set $backend "matrix-mautrix-telegram:8080";
#         	proxy_pass http://$backend;
#         {% else %}
#         	{# Generic configuration for use outside of our container setup #}
#         	proxy_pass http://localhost:8080;
#         {% endif %}
#         }

#   - name: Register Mautrix Telegram proxying configuration with matrix-nginx-proxy
#     set_fact:
#       matrix_nginx_proxy_proxy_matrix_additional_server_configuration_blocks: |
#         {{
#           matrix_nginx_proxy_proxy_matrix_additional_server_configuration_blocks
#           +
#           [matrix_mautrix_telegram_matrix_nginx_proxy_configuration]
#         }}

#   when: "matrix_mautrix_telegram_enabled and matrix_nginx_proxy_enabled|default(False)"
#   tags:
#    - always

# - name: Warn about reverse-proxying if matrix-nginx-proxy not used
#   debug:
#     msg: >
#       NOTE: You've enabled the Mautrix Telegram bridge but are not using the matrix-nginx-proxy
#       reverse proxy.
#       Please make sure that you're proxying the `{{ matrix_mautrix_telegram_public_endpoint }}`
#       URL endpoint to the matrix-mautrix-telegram container.
#   when: "matrix_mautrix_telegram_enabled and matrix_nginx_proxy_enabled is not defined"

#
# Tasks related to getting rid of matrix-mautrix-telegram (if it was previously enabled)
#

- name: Ensure matrix-mautrix-telegram.service doesn't exist
  file:
    path: "/etc/systemd/system/matrix-mautrix-telegram.service"
    state: absent
  when: "not matrix_mautrix_telegram_enabled"