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path: root/modules/hyprland/monitor.nix
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{ config, lib, ... }:
let
  cfg = config.hyprland.monitors;
in
{
  imports = [ ../waybar ];

  options.hyprland.monitors =
    with lib;
    mkOption {
      description = "Hyprland Monitor Configuration";
      type = types.attrsOf (
        types.submodule {
          options = {
            resolution = mkOption {
              description = "Monitor Resolution";
              type = types.strMatching "[:digit:]+x[:digit:]+|preferred";
              default = "preferred";
            };
            position = mkOption {
              description = "Monitor Position";
              type = types.strMatching "-?[:digit:]+x-?[:digit:]+|auto";
              default = "auto";
            };
            scale = mkOption {
              description = "Monitor Scale";
              type = types.numbers.positive;
              default = 1;
            };
            transform = mkOption {
              description = "Hyprland Monitor Transform";
              type = types.submodule {
                options = {
                  flipped = mkOption {
                    description = "Hyprland Flip Monitor";
                    type = types.bool;
                    default = false;
                  };
                  rotation = mkOption {
                    description = "Hyprland Monitor Rotation";
                    type = types.enum [
                      0
                      90
                      180
                      270
                    ];
                    default = 0;
                  };
                };
              };
              default = {
                flipped = false;
                rotation = 0;
              };
            };
            bar = mkOption {
              description = "Waybar Settings";
              type = types.submodule {
                options = {
                  enable = mkOption {
                    description = "Enable Waybar for this Monitor";
                    type = types.bool;
                    default = false;
                  };
                };
              };
              default = {
                enable = false;
              };
            };
          };
        }
      );
      default = {
        default = { };
      };
    };

  config = {
    home-manager.users.n8.wayland.windowManager.hyprland.settings.monitor =
      lib.attrsets.mapAttrsToList
        (
          name: value:
          "${if name == "default" then "" else name},${value.resolution},"
          + "${value.position},"
          + "${toString value.scale},"
          + "transform,"
          + "${toString ((value.transform.rotation / 90) + (if value.transform.flipped then 4 else 0))}"
        )
        cfg;

    bar = builtins.map (m: m.name) (
      builtins.filter (m: m.enable) (
        lib.attrsets.mapAttrsToList (name: value: {
          name = name;
          enable = value.bar.enable;
        }) cfg
      )
    );
  };
}