---
- name: Create systemd service for rns
  copy:
    dest: /etc/systemd/system/rns.service
    content: |
      [Unit]
      Description=Reticulum Network Stack Daemon
      After=multi-user.target

      [Service]
      Type=simple
      Restart=always
      RestartSec=3
      User=root
      ExecStart=rnsd --service

      [Install]
      WantedBy=multi-user.target

- name: Reload systemd
  systemd:
    daemon_reload: yes

- name: Ensure rns service is enabled and started
  systemd:
    name: rns.service
    enabled: yes
    state: started

- name: Stop service for config file update
  systemd:
    name: rns.service
    state: stopped

- name: Ensure Reticulum config directory exists
  file:
    path: /root/.reticulum
    state: directory
    mode: "0755"

- name: Deploy rns configuration file (using block for friendly file updates)
  copy:
    dest: /root/.reticulum/config
    content: |
      [reticulum]
        enable_transport = True
        share_instance = Yes
        instance_name = B407
        discover_interfaces = Yes
        panic_on_interface_error = No

      # If you're connecting to a large external network, you
      # can use one or more external blackhole list to block
      # spammy and excessive announces onto your network. This
      # funtionality is especially useful if you're hosting public
      # entrypoints or gateways. The list source below provides a
      # functional example, but better, more timely maintained
      # lists probably exist in the community.

      # blackhole_sources = 521c87a83afb8f29e4455e77930b973b

      [logging]
        # Valid log levels are 0 through 7:
        #   0: Log only critical information
        #   1: Log errors and lower log levels
        #   2: Log warnings and lower log levels
        #   3: Log notices and lower log levels
        #   4: Log info and lower (this is the default)
        #   5: Verbose logging
        #   6: Debug logging
        #   7: Extreme logging
        loglevel = 4

      # The interfaces section defines the physical and virtual
      # interfaces Reticulum will use to communicate on. This
      # section will contain examples for a variety of interface
      # types. You can modify these or use them as a basis for
      # your own config, or simply remove the unused ones.

      [interfaces]
        
        [[Default Interface]]
          type = AutoInterface
          enabled = Yes
        [[RNode LoRa Interface]]
          type = RNodeInterface
          enabled = yes
          port = /dev/ttyACM0
          # Set frequency to 915 MHz (US ISM Band)
          frequency = 915000000
          # Set LoRa bandwidth to 125 KHz
          bandwidth = 125000
          # Set TX power to 7 dBm (5 mW)
          txpower = 7
          # Select spreading factor 8. Valid
          # range is 7 through 12, with 7
          # being the fastest and 12 having
          # the longest range.
          spreadingfactor = 8
          # Select coding rate 5. Valid range
          # is 5 throough 8, with 5 being the
          # fastest, and 8 the longest range.
          codingrate = 5
          # You can configure the RNode to send
          # out identification on the channel with
          # a set interval by configuring the
          # following two parameters.
          id_callsign = B407
          id_interval = 600
          # For certain homebrew RNode interfaces
          # with low amounts of RAM, using packet
          # flow control can be useful. By default
          # it is disabled.
          # flow_control = False
          # It is possible to limit the airtime
          # utilisation of an RNode by using the
          # following two configuration options.
          # The short-term limit is applied in a
          # window of approximately 15 seconds,
          # and the long-term limit is enforced
          # over a rolling 60 minute window. Both
          # options are specified in percent.
          # airtime_limit_long = 1.5
          # airtime_limit_short = 33

- name: Start rns service after config update
  systemd:
    name: rns.service
    state: started