# https://github.com/nfarina/homebridge/wiki/Running-HomeBridge-on-a-Raspberry-Pi#install-avahi-and-other-dependencies

- hosts: pi
  vars_files:
    - vars.yml.private
  become: yes
  tasks:

    - name: update apt to get a modern version of node
      block:
        - apt_key:
            url: https://deb.nodesource.com/gpgkey/nodesource.gpg.key
        - copy:
            src: nodesource.list
            dest: /etc/apt/sources.list.d/nodesource.list

    - name: update apt
      apt:
        update_cache: yes

    - name: install dependencies
      package:
        name: "{{ item }}"
        state: present
      with_items:
        - libavahi-compat-libdnssd-dev
        - nodejs

    - name: install homebridge
      npm:
        name: "{{ item }}"
        global: yes
      with_items:
        - homebridge
        - homebridge-smartthings-cloud

    - name: copy systemd config
      copy:
        src: homebridge/{{ item.key }}
        dest: "{{ item.value }}"
      with_dict:
        homebridge: /etc/default
        homebridge.service: /etc/systemd/system
      notify:
        - reload systemd daemon
        - enable and restart homebridge service

    - name: create homebridge user
      user:
        name: homebridge
        password: !

    - name: create homebridge dir
      file:
        path: /var/lib/homebridge
        state: directory
        owner: homebridge

    - name: copy homebridge config
      template:
        src: homebridge/config.json
        dest: /var/lib/homebridge
        owner: homebridge
      notify: enable and restart homebridge service

    - name: allow access to homebridge
      ufw:
        rule: allow
        proto: tcp
        port: 51826
        state: reloaded

  handlers:

    - name: reload systemd daemon
      systemd:
        daemon_reload: yes

    - name: enable and restart homebridge service
      service:
        name: homebridge
        enabled: yes
        state: restarted