---
- hosts: platon.n39.eu
  become: true
  vars:
    ansible_python_interpreter: /usr/bin/python3
    door_open_command: '/home/pi/sesame-open.sh'
    ble_keykeeper_dir: '/home/pi/netz39_ble_keykeeper'
  roles:
    - role: ble-keykeeper-role

  tasks:
    - name: Install packages needed for the system
      # This is a list of all packages,
      # unless they are installed by a specific role
      ansible.builtin.apt:
        state: present
        name:
          # Should come from ble-keeper-role
          # see https://github.com/netz39/ble-keykeeper-role/issues/4
          - python3-pip
          # Regular packages
          - tmux


    - name: Set MAC address for proper DHCP recognition
      # Uses mac variable from inventory
      ansible.builtin.template:
        src: templates/network-interfaces-dhcp-mac.j2
        dest: /etc/network/interfaces.d/platon-mac
        owner: root
        group: root
        mode: '0644'

    - name: Disable IPv6
      # Because it is not working....
      ansible.builtin.copy:
        src: files/sysctl-no-ipv6.conf
        dest: /etc/sysctl.d/99-systcl-no-ipv6.conf
        owner: root
        group: root
        mode: '0644'


    ### Sesam for SSH access
    #
    # Make sure to provide the .ssh/authorized_keys from backup, if needed

    - name: Ensure sesam user is there
      ansible.builtin.user:
        name: sesam
        shell: /home/sesam/door-open.sh
        groups: i2c
        append: yes

    - name: Copy door-open.ssh for sesam
      ansible.builtin.copy:
        src: files/platon/sesam-door-open.sh
        dest: /home/sesam/door-open.sh


    ### Gatekeeper user (pi for now)
    #
    # All the gatekeeping / door control stuff is here!

    - name: Ensure gatekeeper user is there
      ansible.builtin.user:
        name: "{{ gatekeeper_user }}"
        groups: dialout,audio,plugdev,input,netdev,i2c,gpio
        append: yes

    - name: Copy management scripts
      ansible.builtin.copy:
        src: "files/platon/{{ item }}"
        dest: "/home/{{ gatekeeper_user }}/{{ item }}"
        owner: "{{ gatekeeper_user }}"
        group: "{{ gatekeeper_user }}"
        mode: "0755"
      loop:
        - i2cspeed.sh
        - reboot.sh
        - unstuck.sh
        - sesame-open.sh

    - name: Download wiringPi library
      # WiringPi needs to be installed, but that library seems to be
      # obsolete. We download something and hope it works...
      ansible.builtin.get_url:
        url: https://project-downloads.drogon.net/wiringpi-latest.deb
        dest: "/home/{{ gatekeeper_user }}/wiringpi-latest.deb"
        mode: "0644"
        force: no
      register: wiringPi_download

    - name: Install wiringPi library
      ansible.builtin.apt:
        state: present
        deb: "/home/{{ gatekeeper_user }}/wiringpi-latest.deb"
      when: wiringPi_download.changed