---
# This will throw a Permission Denied error if already mounted using fuse
- name: Check Dendrite media store path
  stat:
    path: "{{ matrix_dendrite_media_store_path }}"
  register: local_path_media_store_stat
  ignore_errors: yes

# This is separate and conditional, to ensure we don't execute it
# if the path already exists or we failed to check, because it's mounted using fuse.
- name: Ensure Dendrite media store path exists
  file:
    path: "{{ matrix_dendrite_media_store_path }}"
    state: directory
    mode: 0750
    owner: "{{ matrix_user_username }}"
    group: "{{ matrix_user_groupname }}"
  when: "not local_path_media_store_stat.failed and not local_path_media_store_stat.stat.exists"

- name: Ensure Dendrite log path exists
  file:
    path: "{{ matrix_dendrite_log_path }}"
    state: directory
    mode: 0644
    owner: "{{ matrix_user_username }}"
    group: "{{ matrix_user_groupname }}"

- name: Ensure Dendrite Docker image is pulled
  docker_image:
    name: "{{ matrix_dendrite_docker_image }}"
    source: "{{ 'pull' if ansible_version.major > 2 or ansible_version.minor > 7 else omit }}"
    force_source: "{{ matrix_dendrite_docker_image_force_pull if ansible_version.major > 2 or ansible_version.minor >= 8 else omit }}"
    force: "{{ omit if ansible_version.major > 2 or ansible_version.minor >= 8 else matrix_dendrite_docker_image_force_pull }}"

- name: Check if a Dendrite signing key exists
  stat:
    path: "{{ matrix_dendrite_config_dir_path }}/{{ matrix_server_fqn_matrix }}.signing.pem"
  register: matrix_dendrite_signing_key_stat

# We do this so that the signing key would get generated.
# We don't use the `docker_container` module, because using it with `cap_drop` requires
# a very recent version, which is not available for a lot of people yet.
- name: Generate Dendrite signing key
  command: |
    docker run
    --rm
    --name=matrix-config
    --entrypoint=generate-keys
    --mount type=bind,src={{ matrix_dendrite_config_dir_path }},dst=/data
    {{ matrix_dendrite_docker_image }} --private-key=/data/{{ matrix_server_fqn_matrix }}.signing.pem
    generate
  when: "not matrix_dendrite_signing_key_stat.stat.exists"

- name: Ensure Dendrite server key exists
  file:
    path: "{{ matrix_dendrite_config_dir_path }}/{{ matrix_server_fqn_matrix }}.signing.pem"
    mode: 0644
    owner: "{{ matrix_user_username }}"
    group: "{{ matrix_user_groupname }}"

- name: Ensure Dendrite configuration installed
  copy:
    content: "{{ matrix_dendrite_configuration|to_nice_yaml }}"
    dest: "{{ matrix_dendrite_config_dir_path }}/dendrite.yaml"
    mode: 0644
    owner: "{{ matrix_user_username }}"
    group: "{{ matrix_user_groupname }}"

- name: Ensure matrix-dendrite.service installed
  template:
    src: "{{ role_path }}/templates/dendrite/systemd/matrix-dendrite.service.j2"
    dest: "{{ matrix_systemd_path }}/matrix-dendrite.service"
    mode: 0644
  register: matrix_dendrite_systemd_service_result

- name: Ensure systemd reloaded after matrix-dendrite.service installation
  service:
    daemon_reload: yes
  when: "matrix_dendrite_systemd_service_result.changed"

- name: Ensure matrix-dendrite-create-account script created
  template:
    src: "{{ role_path }}/templates/dendrite/usr-local-bin/matrix-dendrite-create-account.j2"
    dest: "{{ matrix_local_bin_path }}/matrix-dendrite-create-account"
    mode: 0750