nix/modules/stuff/autorandr.nix

{ lib, pkgs, config, ...}: let
  inherit (lib) mkIf mkEnableOption mkOption types;
  cfg = config.chuj.stuff.autorandr;
  user = config.chuj.system.user;
in {
  options.chuj.stuff.autorandr = {
    enable = mkEnableOption "autorandr";
    # TODO: proper types for these maybe idk
    fingerprint = mkOption {
      type = types.attrs;
      default = null;
    };
    config = mkOption {
      type = types.attrs;
      default = null;
    };
  };

  config = mkIf cfg.enable {
    home-manager.users.${user} = {
      programs.autorandr = {
        enable = true;
        profiles."main" = { inherit (cfg) fingerprint config; };
      };
      # the autorandr service from home-manager sucks, can't customize flags
      services.autorandr.enable = false;
      systemd.user.services.autorandr = {
        Unit = {
          Description = "autorandr";
          After = [ "graphical-session-pre.target" ];
          PartOf = [ "graphical-session.target" ];
        };
        Service = {
          Type = "oneshot";
          ExecStart = "${pkgs.autorandr}/bin/autorandr --match-edid -l main";
        };
        Install.WantedBy = [ "graphical-session.target" ];
      };
    };
  };
}