# Cross-platform graphical process and system monitor
{
  config,
  pkgs,
  lib,
  ...
}:
{
  options.system.btop = {
    enable = lib.mkEnableOption "Enables btop.";
    nvidia.enable = lib.mkEnableOption "Build btop with NVIDIA GPU monitoring support (CUDA).";
    amd.enable = lib.mkEnableOption "Build btop with AMD GPU monitoring support (ROCm).";
    package = lib.mkOption {
      type = lib.types.package;
      readOnly = true;
      default = pkgs.btop.override {
        cudaSupport = config.system.btop.nvidia.enable;
        rocmSupport = config.system.btop.amd.enable;
      };
      description = "The btop package to use.";
    };
  };

  config = lib.mkIf config.system.btop.enable {
    programs.btop = {
      enable = true;
      package = config.system.btop.package;
    };

    xdg.desktopEntries."btop" = lib.mkIf config.terminal.kitty.enable {
      name = "btop++";
      exec = "${lib.getExe config.terminal.kitty.package} --class btop -e ${lib.getExe config.system.btop.package}";
      icon = "btop";
      categories = [
        "System"
        "Monitor"
        "ConsoleOnly"
      ];
      comment = "Cross-platform graphical process and system monitor";
      terminal = false;
      type = "Application";
    };
  };
}