{ config, lib, pkgs, ... }:

with lib;

let
  cfg = config.services.systemd-fancon;
in
{
  options.services.systemd-fancon = {
    enable = mkEnableOption "systemd-fancon service for fan control";
    config = mkOption {
      type = types.lines;
      default = "";
      description = "Configuration for systemd-fancon.";
    };
  };

  config = mkIf cfg.enable {
    environment.systemPackages = with pkgs; [
      systemd-fancon
      lm_sensors
    ];

    boot.kernelModules = [ "amdgpu" ];

    systemd.services.systemd-fancon = {
      description = "systemd-fancon service";
      wantedBy = [ "multi-user.target" ];
      after = [ "network-online.target" ];
      serviceConfig = {
        ExecStart = "${pkgs.systemd-fancon}/bin/systemd-fancon -c ${cfg.configFile}";
        Restart = "on-failure";
      };
      configFile = pkgs.writeText "systemd-fancon.conf" cfg.config;
    };
  };
}