---
- name: Setup kiosk
  hosts: kiosk

  vars:
    username: kiosk

    docker_add_repo: true
    docker_users:
      - "{{ username }}"


  roles:
    - role: geerlingguy.docker
      become: true
  

  tasks:
  # - name: Ensure raspi-config is up to date
  #   become: true
  #   shell: "raspi-config nonint do_update"
  #   changed_when: False




  - name: Set autologin
    become: true
    shell: "raspi-config nonint do_boot_behaviour B2"
    # There is no output from this command, so its difficult to see when the mode has changed
  
  - name: Enable overscan
    become: true
    shell: "raspi-config nonint do_overscan 1"

  - name: Update packages
    become: true
    ansible.builtin.apt:
      upgrade: safe
      update_cache: yes

  - name: Install desktop packages
    become: true
    ansible.builtin.apt:
      install_recommends: false
      state: present
      pkg:
      - xserver-xorg
      - x11-xserver-utils
      - xinit
      - xdotool
      - openbox

  - name: Install chromium
    become: true
    ansible.builtin.apt:
      install_recommends: false
      state: present
      name: chromium-browser

  - name: Install userspace apps
    become: true
    ansible.builtin.apt:
      install_recommends: false
      state: present
      name: jq

  - name: Configure openbox autostart
    become: true
    ansible.builtin.blockinfile:
      path: /etc/xdg/openbox/autostart
      block: |
        # Read environment from ~kiosk/config.json
        # WEBSITE=$(sed -ne 's/WEBSITE=\(.*\)$/\1/p' /home/kiosksettings)
        WEBSITE=$(jq .website ~/kiosk/config.json | sed -e 's/^"//' -e 's/"$//')
        #
        # Disable screen saver / screen blanking / power management
        xset s off
        xset s noblank
        xset -dpms
        #
        # Allow quitting X server with CTRL-ALT-Backspace
        setxkbmap -option terminate:ctrl_alt_bksp
        # Start commands script
        cd /home/kiosk && ./control.sh &
        #
        # Start chromium in kiosk mode
        sed -i 's/"exited_cleanly":false/"exited_cleanly":true/' ~/.config/chromium/'Local State'
        sed -i 's/"exited_cleanly":false/"exited_cleanly":true/; s/"exit_type":"[^"]\+"/"exit_type":"Normal"/' ~/.config/chromium/Default/Preferences
        chromium-browser --disable-infobars --kiosk ${WEBSITE:=https://bit.ly/shelford_kiosk}

  - name: Configure openbox-session
    ansible.builtin.blockinfile:
      path: /home/{{ username }}/.xinitrc
      create: true
      line: "exec openbox-session"

  - name: Start window manager
    ansible.builtin.lineinfile:
      path: /home/{{ username }}/.bash_profile
      create: true
      line: '[[ -z $DISPLAY && $XDG_VTNR -eq 1 ]] && startx -- -nocursor'

  - name: Setup cron job to reload website on a schedule
    ansible.builtin.cron:
      name: "Reload kiosk"
      minute: "0"
      hour: "0,2,4,6,8,10,12,14,16,18,20,22"
      job: "DISPLAY=:0.0 xdotool key ctrl+r"
  
  - name: Create kiosk config directory
    ansible.builtin.file:
      path: /home/{{ username }}/kiosk
      state: directory
      mode: '0777'

  - name: Create named pipe for comms from container
    command:
      cmd: mkfifo -m 0666 /home/{{ username }}/commands
      creates: /home/{{ username }}/commands

  - name: Create commands script to enable piping commands from containers
    copy:
      dest: /home/{{ username }}/control.sh
      mode: 0755
      owner: "{{ username }}"
      content: |
        #!/bin/sh
        while true
        do
          while read -r cmd; do
            echo Command ${cmd}
            case $cmd in
              "restart")
                sudo reboot
              ;;
              *)
                echo "Unknown command '${cmd}'"
              ;;
            esac
          done < commands
        done


  - name: Start admin console container
    community.docker.docker_container:
      name: website
      image: hub.apptabulous.co.uk/apptabulous/kiosk:latest
      restart_policy: always
      ports:
      - "80:3000"
      volumes:
      - "/home/{{ username }}/kiosk:/app/kiosk"
      - "/home/{{ username }}/commands:/app/commands"
      state: started