---
- name: stat executable
  stat:
    path: /usr/local/bin/xremap
  register: executable

- name: get installed version
  when: executable.stat.exists
  command: /usr/local/bin/xremap --version
  register: version_command
  changed_when: false

- name: extract version from command output
  when: executable.stat.exists
  set_fact:
    installed_version:
      'v{{version_command.stdout.strip() | regex_replace("^.*(\d+\.\d+\.\d+).*$", "\1")}}'

- name: get latest release
  uri:
    url: https://api.github.com/repos/k0kubun/xremap/releases/latest
  register: latest

- name: determine if install needed
  set_fact:
    needs_installed:
      '{{not executable.stat.exists or installed_version != latest.json.name}}'

- name: construct asset query
  set_fact:
    asset_query: >
      [?contains(name, `xremap-linux-{{ansible_architecture}}-{{
                     ansible_env.XDG_CURRENT_DESKTOP | lower}}.zip`)] | [0]
- name: get release asset
  set_fact:
    asset: '{{latest.json.assets | to_json | from_json | json_query(asset_query)}}'

- name: download release archive
  when: needs_installed
  become: true
  get_url:
    url: '{{asset.browser_download_url}}'
    dest: /usr/local/bin/xremap.zip

- name: extract release archive
  when: needs_installed
  become: true
  unarchive:
    src: /usr/local/bin/xremap.zip
    dest: /usr/local/bin

- name: remove release archive
  when: needs_installed
  become: true
  file:
    path: /usr/local/bin/xremap.zip
    state: absent

- name: add user to input group
  become: true
  user:
    name: '{{ansible_user_id}}'
    append: true
    groups: input

- name: add udev rule for input access
  become: true
  copy:
    content: |
      KERNEL=="uinput", GROUP="input", TAG+="uaccess"
    dest: /etc/udev/rules.d/input.rules