---

# If the matrix-synapse role is not used, `matrix_synapse_role_executed` won't exist.
# We don't want to fail in such cases.
- name: Fail if matrix-synapse role already executed
  fail:
    msg: >-
      The matrix-bridge-mautrix-whatsapp role needs to execute before the matrix-synapse role.
  when: "matrix_synapse_role_executed|default(False)"

- name: Ensure Mautrix Whatsapp image is pulled
  docker_image:
    name: "{{ matrix_mautrix_whatsapp_docker_image }}"
    source: "{{ 'pull' if ansible_version.major > 2 or ansible_version.minor > 7 else omit }}"

- name: Ensure Mautrix Whatsapp base directory exists
  file:
    path: "{{ matrix_mautrix_whatsapp_base_path }}"
    state: directory
    mode: 0750
    owner: "{{ matrix_user_username }}"
    group: "{{ matrix_user_username }}"

- name: Check if a mautrix-whatsapp configuration file exists
  stat:
    path: "{{ matrix_mautrix_whatsapp_base_path }}/config.yaml"
  register: mautrix_whatsapp_config_file_stat

- name: Ensure Matrix Mautrix whatsapp config installed
  template:
    src: "{{ role_path }}/templates//config.yaml.j2"
    dest: "{{ matrix_mautrix_whatsapp_base_path }}/config.yaml"
    mode: 0644
    owner: "{{ matrix_user_username }}"
    group: "{{ matrix_user_username }}"
  when: "not mautrix_whatsapp_config_file_stat.stat.exists"

- name: Ensure matrix-mautrix-whatsapp.service installed
  template:
    src: "{{ role_path }}/templates/systemd/matrix-mautrix-whatsapp.service.j2"
    dest: "/etc/systemd/system/matrix-mautrix-whatsapp.service"
    mode: 0644
  register: matrix_mautrix_whatsapp_systemd_service_result

- name: Ensure systemd reloaded after matrix-mautrix-whatsapp.service installation
  service:
    daemon_reload: yes
  when: "matrix_mautrix_whatsapp_systemd_service_result.changed"

- name: Check if a mautrix-whatsapp registration file exists
  stat:
    path: "{{ matrix_mautrix_whatsapp_base_path }}/registration.yaml"
  register: mautrix_whatsapp_registration_file_stat

- name: Generate matrix-mautrix-whatsapp registration.yaml if it doesn't exist
  shell:
    cmd: >-
      /usr/bin/docker run
      --rm
      --user={{ matrix_user_uid }}:{{ matrix_user_gid }}
      --cap-drop=ALL
      --name matrix-mautrix-whatsapp-gen
      -v {{ matrix_mautrix_whatsapp_base_path }}:/data:z
      {{ matrix_mautrix_whatsapp_docker_image }}
      /usr/bin/mautrix-whatsapp -g -c /data/config.yaml -r /data/registration.yaml
  when: "not mautrix_whatsapp_registration_file_stat.stat.exists"

- set_fact:
    matrix_synapse_app_service_config_file_mautrix_whatsapp: '/app-registration/mautrix-whatsapp.yml'

# If the matrix-synapse role is not used, these variables may not exist.
- set_fact:
    matrix_synapse_container_additional_volumes: >
      {{ matrix_synapse_container_additional_volumes|default([]) }}
      +
      {{ [{'src': '{{ matrix_mautrix_whatsapp_base_path }}/registration.yaml', 'dst': '{{ matrix_synapse_app_service_config_file_mautrix_whatsapp }}', 'options': 'ro'}] }}

    matrix_synapse_app_service_config_files: >
      {{ matrix_synapse_app_service_config_files|default([]) }}
      +
      {{ ["{{ matrix_synapse_app_service_config_file_mautrix_whatsapp }}"] | to_nice_json  }}