{ config, pkgs, lib, ... }:

let
  cfg = config.local.window-manager.hyprland;

  easyfocus = pkgs.callPackage ./easyfocus-hyprland.nix { };
in
{
  options.local.window-manager.hyprland = with lib; {
    enable = mkEnableOption "hyprland window manager";
  };

  config = lib.mkIf cfg.enable {
    home.packages = with pkgs.unstable; [
      wl-clipboard
      dmenu-wayland
    ];

    xdg.configFile."easyfocus-hyprland/config.yaml".text = ''
      chars: 'aoeuhtns'

      window_background_color: '1d1f21'
      window_background_opacity: 0.2

      label_background_color: '1d1f21'
      label_background_opacity: 1.0
      label_text_color: 'c5c8c6'

      focused_background_color: '285577'
      focused_background_opacity: 1.0
      focused_text_color: 'ffffff'

      font_family: monospace
      font_weight: bold
      font_size: 60px

      label_padding_x: 16
      label_padding_y: 16
      label_border_radius: 4
      label_margin_x: 4
      label_margin_y: 50
    '';

    wayland.windowManager.hyprland = {
      enable = true;
      package = pkgs.unstable.hyprland;
      systemd.enable = true;
      xwayland.enable = true;

      settings = {
        # monitors

        monitor = ",preferred,auto,1";

        # env

        env = [
          "XCURSOR_SIZE,24"
          "HYPRCURSOR_SIZE,24"
        ];

        # look and feel

        general = {
          gaps_in = 5;
          gaps_out = 20;

          border_size = 1;

          "col.active_border" = "rgba(33ccffee) rgba(00ff99ee) 45deg";
          "col.inactive_border" = "rgba(595959aa)";

          resize_on_border = false;

          allow_tearing = false;

          layout = "master";
        };

        decoration = {
          rounding = 5;

          active_opacity = 1.0;
          inactive_opacity = 1.0;

          drop_shadow = false;

          blur = {
            enabled = false;
          };
        };

        animations = {
          enabled = false;

        };

        master = {
          orientation = "top";
          new_is_master = false;
        };

        gestures = {
          workspace_swipe = false;
        };

        xwayland = {
          force_zero_scaling = true;
        };

        "$terminal" = "wezterm start";
        "$browser" = "librewolf";
        "$menu" = "dmenu-wl_run";

        "$m1" = "ALT_L";
        "$m4" = "MOD4";

        bind = lib.flatten [
          # programs
          "$m1 SHIFT, Return, exec, $terminal"
          "$m1 SHIFT, B, exec, $browser"
          "$m1 SHIFT, S, exec, flameshot gui"
          "$m1, P, exec, $menu"

          # focus
          (lib.flip lib.mapAttrsToList { k = "prev"; j = "next"; } (k: d: [
            "$m1, ${k}, layoutmsg, cycle${d}"
            "$m1 SHIFT, ${k}, layoutmsg, swap${d}"
          ]))
          "$m1, Return, layoutmsg, swapwithmaster, master"
          "$m1, S, exec, ${easyfocus}/bin/easyfocus-hyprland"
          # comma (,)
          "$m1, code:44, layoutmsg, addmaster"
          # period (.)
          "$m1, code:46, layoutmsg, removemaster"

          # windows
          "$m4 SHIFT, C, killactive"
          "$m1, Space, fullscreen, 0"

          # workspaces
          (lib.flip map [ 1 2 3 4 5 6 7 8 9 0 ] (i:
            let wid = if i == 0 then 10 else i; in
            [
              # switch warkspaces with mod + [0-9]
              "$m1, ${toString i}, workspace, ${toString wid}"
              # move active window to a workspace with mod + shift + [0-9]
              "$m1 SHIFT, ${toString i}, movetoworkspacesilent, ${toString wid}"
            ]
          ))

          # system
          "$m4, L, exec, waylock"
          "$m4 SHIFT, Q, exit"
        ];

        bindm = [
          "$m1, mouse:272, movewindow"
          "$m1, mouse:273, resizewindow"
        ];

        input = let kb = config.home.keyboard; in {
          kb_model = kb.model;
          kb_layout = kb.layout;
          kb_variant = kb.variant;
          kb_options = lib.head kb.options;
        };
      };
    };
  };
}