{ config, pkgs, ... }:

{
  imports = [
    ./hardware.nix
    ../../system
    ../../system/security/thinkpad.nix
  ];

  networking.hostName = "violet";

  services.power-profiles-daemon.enable = true;
  services.hardware.bolt.enable = true;
  services.logind = {
    settings = {
      Login.HandleLidSwitch = "ignore";
      Login.lidSwitchDocked = "ignore";
      Login.lidSwitchExternalPower = "ignore";
    };
  };

  services.input-remapper.enable = true;

  system.stateVersion = "26.05";

  boot.kernelModules = [ "thunderbolt-net" ];

  networking.interfaces.bnep0.ipv4.addresses = [{
    address = "10.0.0.2";
    prefixLength = 24;
  }];

  networking.firewall.interfaces."bnep0".allowedUDPPorts = [ 4242 ];

  systemd = {
    services = {
      # 1. Start the listening server profile
      bt-pan-server = {
        description = "Bluetooth PAN GN Server";
        after = [ "bluetooth.service" ];
        wantedBy = [ "multi-user.target" ];
        serviceConfig = {
          ExecStart = "${pkgs.bluez-tools}/bin/bt-network -s gn pan0";
          Restart = "always";
          RestartSec = 5;
        };
      };

      # 2. Trust and persistently attempt connection to Device A
      bt-pan-client = {
        description = "Bluetooth PAN Client Connection to Device A";
        after = [ "bluetooth.service" "bt-pan-server.service" ];
        wantedBy = [ "multi-user.target" ];
        serviceConfig = {
          # Replace XX:XX:XX:XX:XX:XX with Device B's actual Bluetooth MAC Address
          ExecStartPre = "${pkgs.bluez}/bin/bluetoothctl trust 84:D1:C1:A9:EE:52";
          ExecStart = "${pkgs.bluez-tools}/bin/bt-network -c 84:D1:C1:A9:EE:52 gn";
          Restart = "always";
          RestartSec = 10; # Retry every 10 seconds if Device B goes out of range
        };
      };
    };
  };

  services.tlp = {
    enable = false;
    settings = {
      USB_AUTOSUSPEND = 0;

      # AC
      CPU_SCALING_GOVERNOR_ON_AC = "performance";
      CPU_ENERGY_PERF_POLICY_ON_AC = "performance";
      SOUND_POWER_SAVE_ON_AC = 0;
      PCIE_ASPM_ON_AC = "default";
      CPU_BOOST_ON_BAT = 0;

      # Battery
      CPU_SCALING_GOVERNOR_ON_BAT = "powersave";
      CPU_ENERGY_PERF_POLICY_ON_BAT = "power";
      SOUND_POWER_SAVE_ON_BAT = 1;
      PCIE_ASPM_ON_BAT = "powersupersave";
      CPU_BOOST_ON_AC = 1;
    };
  };
}