---

# 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-appservice-discord role needs to execute before the matrix-synapse role.
  when: "matrix_synapse_role_executed|default(False)"

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

- name: Ensure Appservice Discord base directory exists
  file:
    path: "{{ matrix_appservice_discord_base_path }}"
    state: directory
    mode: 0750
    owner: "{{ matrix_user_username }}"
    group: "{{ matrix_user_username }}"

- name: Ensure Matrix Appservice Discord config installed
  copy:
    content: "{{ matrix_appservice_discord_configuration|to_nice_yaml }}"
    dest: "{{ matrix_appservice_discord_base_path }}/config.yaml"
    mode: 0644
    owner: "{{ matrix_user_username }}"
    group: "{{ matrix_user_username }}"

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

- name: Ensure systemd reloaded after matrix-appservice-discord.service installation
  service:
    daemon_reload: yes
  when: "matrix_appservice_discord_systemd_service_result.changed"

- name: Check if a matrix-appservice-discord registration file exists
  stat:
    path: "{{ matrix_appservice_discord_base_path }}/discord-registration.yaml"
  register: appservice_discord_registration_file

- name: Generate matrix-appservice-discord discord-registration.yaml if it doesn't exist
  shell: >-
    /usr/bin/docker run --rm --name matrix-appservice-discord-gen
    --user={{ matrix_user_uid }}:{{ matrix_user_gid }}
    --cap-drop=ALL
    -v {{ matrix_appservice_discord_base_path }}:/data:z
    {{ matrix_appservice_discord_docker_image }}
    node build/src/discordas.js
    -r
    -u "http://matrix-appservice-discord:9005"
    -c /data/config.yaml
    -f /data/discord-registration.yaml
    -l discord_bot
  when: "not appservice_discord_registration_file.stat.exists"

- set_fact:
    matrix_synapse_app_service_config_file_appservice_discord: '{{ matrix_appservice_discord_base_path }}/discord-registration.yml'

- name: Check if a matrix-appservice-discord invite_link file exists
  stat:
    path: "{{ matrix_appservice_discord_base_path }}/invite_link"
  register: appservice_discord_link_generated

- name: Generate your discord invite link
  shell: >-
    /usr/bin/docker run --rm --name matrix-appservice-discord-link-gen
    --user={{ matrix_user_uid }}:{{ matrix_user_gid }}
    --cap-drop=ALL
    -v {{ matrix_appservice_discord_base_path }}:/data
    -w /data
    {{ matrix_appservice_discord_docker_image }}
    /bin/sh -c "node .././build/tools/addbot.js > invite_link"
  when: "not appservice_discord_link_generated.stat.exists"

# 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_appservice_discord_base_path }}/discord-registration.yaml', 'dst': '{{ matrix_synapse_app_service_config_file_appservice_discord }}', 'options': 'ro'}] }}

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