{
  lib,
  config,
  pkgs,
  ...
}: let
  cfg = config.myConfig.sway.kanshi;
in {
  options.myConfig.sway.kanshi = {
    enable = lib.mkEnableOption "kanshi, a dynamic display recognizer";
    laptop = lib.mkEnableOption "laptop workspaces";
  };

  config = lib.mkIf cfg.enable {
    services.kanshi = let
      bgdir = ../../../assets;
      bg1080 = bgdir + "/bg1080.png";
      bg1080vert = bgdir + "/bg1080vert.png";
      bg4k = bgdir + "/bg4k.png";
      sway_commands = commands: "${pkgs.sway}/bin/swaymsg '${lib.strings.concatStringsSep ", " commands}'";
      workspace = workspace: monitor: [
        ''workspace "${workspace}" output "${monitor}"''
        ''workspace --no-auto-back-and-forth ${workspace}''
        ''move workspace to "${monitor}"''
      ];
      luhbots_workstation = settings: {
        profile.outputs = [
          {
            criteria = "eDP-1";
            position =
              if settings.vertical.left
              then "1080,1080"
              else "0,1080";
          }
          {
            criteria = settings.horizontal.name;
            position =
              if settings.vertical.left
              then "1080,0"
              else "0,0";
          }
          {
            criteria = settings.vertical.name;
            transform = settings.vertical.orientation;
            position =
              if settings.vertical.left
              then "0,0"
              else "1920,0";
          }
        ];
        profile.exec = [
          (sway_commands (
            [
              "output eDP-1 bg ${bg1080} fit"
              "output \"${settings.horizontal.name}\" bg ${bg4k} fit"
              "output \"${settings.vertical.name}\" bg ${bg1080vert} fit"
            ]
            ++ (workspace "obsidian" settings.horizontal.name)
            ++ (workspace "5" settings.horizontal.name)
            ++ (workspace "music" "eDP-1")
            ++ (workspace "msg" "eDP-1")
            ++ (workspace "term" settings.vertical.name)
            ++ (workspace "main" settings.horizontal.name)
          ))
        ];
      };
    in {
      enable = true;
      settings = lib.mkIf cfg.laptop [
        {
          profile.name = "laptop";
          profile.outputs = [
            {
              criteria = "eDP-1";
              position = "0,0";
            }
          ];
        }
        (luhbots_workstation {
          horizontal.name = "Dell Inc. DELL U2422HE GRCPH83";
          vertical = {
            name = "NEC Corporation E243WMi 7X313185NB";
            left = false;
            orientation = "90";
          };
        })
        (luhbots_workstation {
          horizontal.name = "Dell Inc. DELL U2422HE 8YCPH83";
          vertical = {
            name = "Dell Inc. DELL P2422HE 28XL9M3";
            left = false;
            orientation = "normal";
          };
        })
        (luhbots_workstation {
          horizontal.name = "Dell Inc. DELL U2422HE 53DCH83";
          vertical = {
            name = "Dell Inc. DELL U2412M 0FFXD46I4U5S";
            left = false;
            orientation = "90";
          };
        })
        (luhbots_workstation {
          horizontal.name = "Dell Inc. DELL P2422HE 4BXL9M";
          vertical = {
            name = "NEC Corporation E243WMi 75309334NB";
            left = true;
            orientation = "90";
          };
        })
        (luhbots_workstation {
          horizontal.name = "Dell Inc. DELL P2422HE JLXL9M3";
          vertical = {
            name = "NEC Corporation E243WMi 59118576NB";
            left = true;
            orientation = "90";
          };
        })
        (luhbots_workstation {
          horizontal.name = "Dell Inc. DELL P2422HE 7VWL9M3";
          vertical = {
            name = "ViewSonic Corporation VG2448 V5E201960167";
            left = false;
            orientation = "90";
          };
        })
        (luhbots_workstation {
          horizontal.name = "Dell Inc. DELL U2422HE 7HCPH83";
          vertical = {
            name = "Dell Inc. DELL U2422HE 1XFFH83";
            left = true;
            orientation = "90";
          };
        })
        (luhbots_workstation {
          horizontal.name = "Dell Inc. DELL U2422HE 5XY5H83";
          vertical = {
            name = "Dell Inc. DELL U2419H 11B7Y13";
            left = true;
            orientation = "270";
          };
        })
        (luhbots_workstation {
          horizontal.name = "Dell Inc. DELL P2422HE 4BXL9M3";
          vertical = {
            name = "NEC Corporation E243WMi 75309334NB";
            left = true;
            orientation = "90";
          };
        })
        {
          profile.name = "docked-4k";
          profile.outputs = [
            {
              criteria = "eDP-1";
              position = "320,1440";
            }
            {
              criteria = "HannStar Display Corp HC281UPB ";
              position = "0,0";
              mode = "3840x2160@60";
              scale = 1.5;
            }
          ];
          profile.exec = [
            (sway_commands
              (
                (workspace "obsidian" "HDMI-A-1")
                ++ (workspace "5" "HDMI-A-1")
                ++ (workspace "music" "eDP-1")
                ++ (workspace "msg" "eDP-1")
                ++ (workspace "term" "eDP-1")
                ++ (workspace "main" "HDMI-A-1")
              ))
          ];
        }
        {
          profile.outputs = [
            {
              criteria = "eDP-1";
              position = "0,0";
            }
            {
              criteria = "Hisense Electric Co., Ltd. HISENSE 0x00000001";
              position = "1920,0";
            }
          ];
          profile.exec = [
            (sway_commands
              (
                (workspace "mirror" "HDMI-A-1")
                ++ ["exec ${pkgs.wl-mirror}/bin/wl-present mirror eDP-1 --fullscreen-output HDMI-A-1 --fullscreen"]
                ++ (workspace "obsidian" "eDP-1")
                ++ (workspace "5" "eDP-1")
                ++ (workspace "music" "eDP-1")
                ++ (workspace "msg" "eDP-1")
                ++ (workspace "term" "eDP-1")
                ++ (workspace "main" "eDP-1")
              ))
          ];
        }
        {
          profile.outputs = [
            {
              criteria = "eDP-1";
              position = "0,1080";
            }
            {
              criteria = "ViewSonic Corporation VG2448 V5E201864188";
              position = "0,0";
            }
          ];
          profile.exec = [
            (sway_commands
              (
                (workspace "obsidian" "ViewSonic Corporation VG2448 V5E201864188")
                ++ (workspace "5" "ViewSonic Corporation VG2448 V5E201864188")
                ++ (workspace "music" "eDP-1")
                ++ (workspace "msg" "eDP-1")
                ++ (workspace "term" "eDP-1")
                ++ (workspace "main" "ViewSonic Corporation VG2448 V5E201864188")
              ))
          ];
        }
      ];
    };
  };
}