{ lib, config, ... }:
{
  options.frogeye = {
    extra = lib.mkEnableOption "Big software";
    gaming = lib.mkEnableOption "Games";
    userNix = lib.mkEnableOption "Nix is \"installed\" in ~/.nix";
    polarity = lib.mkOption {
      default = "light";
      description = "Whether to use light theme or dark theme.";
      type = lib.types.enum [ "light" "dark" ];
    };
    desktop = {
      xorg = lib.mkEnableOption "Enable X11 support";
      numlock = lib.mkEnableOption "Auto-enable numlock";
      x11_screens = lib.mkOption {
        default = [ "UNSET1" ];
        description = "A list of xrandr screen names from left to right.";
        type = lib.types.listOf lib.types.str;
      };
      nixGLIntel = lib.mkEnableOption "Enable nixGLIntel/nixVulkanIntel for windows manager";
      maxVideoHeight = lib.mkOption {
        type = lib.types.int;
        description = "Maximum video height in pixel the machine can reasonably watch";
        default = 1080;
      };
      phasesBrightness = {
        enable = lib.mkEnableOption "Set a specific brightness for the screen when running phases commands";
        jour = lib.mkOption { type = lib.types.str; default = "100%"; description = "brightnessctl value for phase: jour"; };
        crepuscule = lib.mkOption { type = lib.types.str; default = "50%"; description = "brightnessctl value for phase: crepuscule"; };
        nuit = lib.mkOption { type = lib.types.str; default = "1%"; description = "brightnessctl value for phase: nuit"; };
      };
    };
    dev = {
      ansible = lib.mkEnableOption "Ansible dev stuff";
      c = lib.mkEnableOption "C/C++ dev stuff";
      docker = lib.mkEnableOption "Docker dev stuff";
      fpga = lib.mkEnableOption "FPGA dev stuff";
      perl = lib.mkEnableOption "Perl dev stuff";
      php = lib.mkEnableOption "PHP dev stuff";
      python = lib.mkEnableOption "Python dev stuff";
    };
    shellAliases = lib.mkOption {
      default = { };
      example = lib.literalExpression ''
        {
          ll = "ls -l";
          ".." = "cd ..";
        }
      '';
      description = ''
        An attribute set that maps aliases (the top level attribute names in
        this option) to command strings or directly to build outputs.
      '';
      type = lib.types.attrsOf lib.types.str;
    };
  };

  config = {
    frogeye = {
      dev = {
        ansible = lib.mkDefault true;
        python = lib.mkDefault true;
      };
    };
  };
}