---

- name: Ensure Element paths exists
  file:
    path: "{{ item.path }}"
    state: directory
    mode: 0750
    owner: "{{ matrix_user_username }}"
    group: "{{ matrix_user_groupname }}"
  with_items:
    - { path: "{{ matrix_client_element_data_path }}", when: true }
    - { path: "{{ matrix_client_element_docker_src_files_path }}", when: "{{ matrix_client_element_container_image_self_build }}" }
  when: "item.when|bool"

- name: Ensure Element Docker image is pulled
  docker_image:
    name: "{{ matrix_client_element_docker_image }}"
    source: "{{ 'pull' if ansible_version.major > 2 or ansible_version.minor > 7 else omit }}"
    force_source: "{{ matrix_client_element_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_client_element_docker_image_force_pull }}"
  when: "not matrix_client_element_container_image_self_build|bool"

- name: Ensure Element repository is present on self-build
  git:
    repo: "{{ matrix_client_element_container_image_self_build_repo }}"
    dest: "{{ matrix_client_element_docker_src_files_path }}"
    version: "{{ matrix_client_element_docker_image.split(':')[1] }}"
    force: "yes"
  register: matrix_client_element_git_pull_results
  when: "matrix_client_element_container_image_self_build|bool"

# See:
# - https://github.com/spantaleev/matrix-docker-ansible-deploy/issues/1357
# - https://github.com/vector-im/element-web/issues/19544
- name: Patch webpack.config.js to support building on low-memory (<4G RAM) devices
  lineinfile:
    path: "{{ matrix_client_element_docker_src_files_path }}/webpack.config.js"
    regexp: '(\s+)splitChunks: \{'
    line: '\1splitChunks: { maxSize: 100000,'
    backrefs: yes
    owner: root
    group: root
    mode: '0644'
  when: "matrix_client_element_container_image_self_build|bool and matrix_client_element_container_image_self_build_low_memory_system_patch_enabled|bool"

- name: Ensure Element Docker image is built
  docker_image:
    name: "{{ matrix_client_element_docker_image }}"
    source: build
    force_source: "{{ matrix_client_element_git_pull_results.changed 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_client_element_git_pull_results.changed }}"
    build:
      dockerfile: Dockerfile
      path: "{{ matrix_client_element_docker_src_files_path }}"
      pull: yes
  when: "matrix_client_element_container_image_self_build|bool"

- name: Ensure Element configuration installed
  copy:
    content: "{{ matrix_client_element_configuration|to_nice_json }}"
    dest: "{{ matrix_client_element_data_path }}/config.json"
    mode: 0644
    owner: "{{ matrix_user_username }}"
    group: "{{ matrix_user_groupname }}"

- name: Ensure Element config files installed
  template:
    src: "{{ item.src }}"
    dest: "{{ matrix_client_element_data_path }}/{{ item.name }}"
    mode: 0644
    owner: "{{ matrix_user_username }}"
    group: "{{ matrix_user_groupname }}"
  with_items:
    - {src: "{{ role_path }}/templates/nginx.conf.j2", name: "nginx.conf"}
    - {src: "{{ matrix_client_element_page_template_welcome_path }}", name: "welcome.html"}
    - {src: "{{ matrix_client_element_embedded_pages_home_path }}", name: "home.html"}
  when: "item.src is not none"

- name: Ensure Element config files removed
  file:
    path: "{{ matrix_client_element_data_path }}/{{ item.name }}"
    state: absent
  with_items:
    - {src: "{{ matrix_client_element_embedded_pages_home_path }}", name: "home.html"}
  when: "item.src is none"

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

- name: Ensure systemd reloaded after matrix-client-element.service installation
  service:
    daemon_reload: yes
  when: "matrix_client_element_systemd_service_result.changed|bool"