---
- name: Check if nvim is installed
  ansible.builtin.command: which nvim
  changed_when: false
  register: nvim_installed
  failed_when: nvim_installed.rc > 1

- name: Request nvim install if nvim missing
  ansible.builtin.set_fact:
    nvim_install_needed: "{{ nvim_install_needed | default(true) }}"
  when: nvim_installed.rc == 1

- name: Check if nvim needs update
  # noqa risky-shell-pipe
  ansible.builtin.shell: |
    set pipefail
    nvim --version | head -n 1 | awk -F '-' '{ print $NF }' | cut -c2-
  changed_when: false
  register: nvim_installed_version
  when: nvim_installed.rc == 0

- name: Get nvim remote version
  # noqa risky-shell-pipe
  ansible.builtin.shell: |
    set pipefail
    # yamllint disable-line rule:line-length
    NVIM_HEAD_VER="$(git ls-remote --tags https://github.com/neovim/neovim.git nightly \
      | awk '{ print $1 }' \
      | head -c 9)"
    echo $NVIM_HEAD_VER >&2
    printf "%s\n" "${NVIM_HEAD_VER}"
  changed_when: false
  register: nvim_remote_version
  when: nvim_installed.rc == 0

- name: Request nvim install if nvim update needed
  ansible.builtin.set_fact:
    nvim_install_needed: "{{ nvim_install_needed | default(true) }}"
  when: nvim_installed.rc == 0 and nvim_remote_version.stdout | default() != nvim_installed_version.stdout | default()

- name: Create working directory
  ansible.builtin.tempfile:
    state: directory
  register: nvim_work_dir
  when: nvim_install_needed is defined and nvim_install_needed is true

- name: Set nvim url
  ansible.builtin.set_fact:
    # yamllint disable-line rule:line-length
    nvim_url: "{{ 'https://github.com/neovim/neovim/releases/download/nightly/nvim-' + nvim_platform | default('linux64') + '.tar.gz' }}"
  when: nvim_install_needed is defined and nvim_install_needed is true

- name: Set nvim archive variables
  ansible.builtin.set_fact:
    nvim_checksum: "{{ 'sha256:' + nvim_url + '.sha256sum' }}"
    nvim_archive_dest: "{{ nvim_work_dir.path + '/nvim.tar.gz' }}"
    nvim_unpacked_dest: "{{ nvim_work_dir.path + '/nvim-unpacked' }}"
  when: nvim_install_needed is defined and nvim_install_needed is true

- name: Download neovim archive from releases
  become: true
  ansible.builtin.get_url:
    url: "{{ nvim_url }}"
    checksum: "{{ nvim_checksum }}"
    dest: "{{ nvim_archive_dest }}"
    mode: 0644
  when: nvim_install_needed is defined and nvim_install_needed is true

- name: Create unpack directory
  ansible.builtin.file:
    state: directory
    mode: 0644
    path: "{{ nvim_unpacked_dest }}"
  when: nvim_install_needed is defined and nvim_install_needed is true

- name: Extract neovim archive
  become: true
  ansible.builtin.unarchive:
    src: "{{ nvim_archive_dest }}"
    dest: "{{ nvim_unpacked_dest }}"
    remote_src: true
  when: nvim_install_needed is defined and nvim_install_needed is true

- name: Copy neovim files into place
  become: true
  # noqa command-instead-of-module
  ansible.builtin.command:
    argv:
      - rsync
      - -avPr
      - "{{ nvim_unpacked_dest }}/nvim-{{ nvim_platform | default('linux64') }}/{{ item }}"
      - "{{ nvim_sync_dest_dir | default('/usr/') }}"
  changed_when: true
  when: nvim_install_needed is defined and nvim_install_needed is true
  loop:
    - bin
    - lib
    - share