{ lib, config, pkgs, ... }:
let
  icons = fetchTarball {
    url = "https://files.huwe.mooo.com/waybar.tar.gz";
    sha256 = "0h5r8r7vscm6yv25kgyzx5y325n5ri78n28vmdvgmysp351drm57";
  };
in
{
  home-manager.users.willifan = {
    home.packages = lib.mkIf config.desktop.utils.enable [

      pkgs.hyprpicker
      pkgs.hyprcursor

      pkgs.grim
      pkgs.slurp
      pkgs.wl-clipboard
      pkgs.playerctl

      pkgs.dconf

      pkgs.papirus-icon-theme
    ];

    programs.fuzzel = lib.mkIf config.desktop.fuzzel.enable {
      enable = true;
      settings = {
        main = {
          lines = 12;
          width = 45;
          line-height = 20;
        };
      };
    };

    services.hyprpaper = lib.mkIf config.desktop.hyprpaper.enable {
      enable = true;
      settings = {
        splash = true;
        ipc = "off";
      };
    };

    services.mako = lib.mkIf config.desktop.mako.enable {
      enable = true;
      borderRadius = 10;
      borderSize = 2;
    };

    services.hypridle = lib.mkIf config.desktop.hypridle.enable {
      enable = true;
      settings = {

        general = {
          lock_cmd = "pidof hyprlock || hyprlock"; # avoid starting multiple hyprlock instances.
          before_sleep_cmd = "loginctl lock-session && sleep 2"; # lock before suspend.
          after_sleep_cmd = "hyprctl dispatch dpms on"; # to avoid having to press a key twice to turn on the display.
        };

        listener = [
          #{
          #  timeout = 150;                                # 2.5min.
          #  on-timeout = brightnessctl -s set 10;         # set monitor backlight to minimum, avoid 0 on OLED monitor.
          #  on-resume = brightnessctl -r;                 # monitor backlight restor.
          #}

          {
            timeout = 300; # 5min
            on-timeout = "loginctl lock-session"; # lock screen when timeout has passed
          }

          {
            timeout = 380; # 5.5min
            on-timeout = "hyprctl dispatch dpms off"; # screen off when timeout has passed
            on-resume = "hyprctl dispatch dpms on"; # screen on when activity is detected after timeout has fired.
          }

          {
            timeout = 600; # 30min
            on-timeout = "systemctl suspend-then-hibernate"; # suspend pc
          }
        ];
      };
    };

    programs.waybar = lib.mkIf config.desktop.waybar.enable {
      enable = true;
      settings = {
        mainBar = {
          layer = "top";
          position = "top";
          height = 25;
          output = [
            "eDP-1"
          ];
          modules-left = [ "clock" "mpris" ];
          modules-center = [ "niri/workspaces" ];
          modules-right = [ "tray" "group/ressources" "group/peripherals" "group/wireless" "group/power" ];

          "group/ressources" = {
            orientation = "inherit";
            modules = [ "group/cpu" "group/memory" ];
          };
          "group/peripherals" = {
            orientation = "inherit";
            modules = [ "group/volume" "group/backlight" ];
          };
          "group/wireless" = {
            orientation = "inherit";
            modules = [ "group/networking" "group/bluetooth" ];
          };
          "group/power" = {
            orientation = "inherit";
            modules = [ "group/battery" "image#power" ];
          };


          "clock" = {
            interval = 1;
            format = "{:%H:%M:%S}";
          };
          "mpris" = {
            format = "";
            format-playing = "{dynamic}";
            dynamic-order = [ "title" "artist" "album" "position" "length" ];
            dynamic-len = 30;
          };
          "niri/workspaces" = {
            all-outputs = true;
          };

          "group/cpu" = {
            orientation = "inherit";
            modules = [ "image#cpu" "cpu" ];
          };
          "image#cpu" = {
            path = "${icons}/cpu.png";
            size = 16;
          };
          "cpu" = {
            format = "{usage}%";
          };

          "group/memory" = {
            orientation = "inherit";
            modules = [ "image#memory" "memory" ];
          };
          "image#memory" = {
            path = "${icons}/ram.png";
            size = 16;
          };
          "memory" = {
            format = "{percentage}%";
          };

          "group/volume" = {
            orientation = "inherit";
            modules = [ "image#volume" "wireplumber" ];
          };
          "image#volume" = {
            path = "${icons}/volume.png";
            size = 16;
          };
          "wireplumber" = {
            format = "{volume}%";
          };

          "group/backlight" = {
            orientation = "inherit";
            modules = [ "image#backlight" "backlight" ];
          };
          "image#backlight" = {
            path = "${icons}/brightness.png";
            size = 16;
          };
          "backlight" = {
            format = "{percent}%";
          };

          "group/networking" = {
            orientation = "inherit";
            modules = [ "image#networking" "network" ];
          };
          "image#networking" = {
            path = "${icons}/wifiHigh.png";
            size = 16;
          };
          "network" = {
            format = "{signalStrength}%";
          };

          "group/bluetooth" = {
            orientation = "inherit";
            modules = [ "image#bluetooth" "bluetooth" ];
          };
          "image#bluetooth" = {
            path = "${icons}/bluetooth.png";
            size = 16;
          };
          "bluetooth" = {
            format = "{status}";
          };

          "group/battery" = {
            orientation = "inherit";
            modules = [ "image#battery" "battery" ];
          };
          "image#battery" = {
            path = "${icons}/battery.png";
            size = 16;
          };
          "battery" = {
            format = "{capacity}%";
          };

          "image#power" = {
            path = "${icons}/power.png";
            size = 16;
          };
        };
      };

      systemd = {
        enable = true;
      };

    };

    programs.hyprlock = lib.mkIf config.desktop.hyprlock.enable {
      enable = true;
      settings = {
        background = {
          monitor = "";
          # all these options are taken from hyprland, see https://wiki.hyprland.org/Configuring/Variables/#blur for explanations
          blur_passes = 3; # 0 disables blurring
          blur_size = 7;
          noise = 0.0117;
          contrast = 0.8916;
          brightness = 0.8172;
          vibrancy = 0.1696;
          vibrancy_darkness = 0.0;
        };

        input-field = {
          monitor = "";
          size = "300, 75";
          outline_thickness = 3;
          dots_size = 0.33; # Scale of input-field height, 0.2 - 0.8
          dots_spacing = 0.15; # Scale of dots' absolute size, 0.0 - 1.0
          dots_center = false;
          dots_rounding = -1; # -1 default circle, -2 follow input-field rounding
          fade_on_empty = true;
          fade_timeout = 1000; # Milliseconds before fade_on_empty is triggered.
          placeholder_text = "<i>Input Password...</i>"; # Text rendered in the input box when it's empty.
          hide_input = false;
          rounding = -1; # -1 means complete rounding (circle/oval)
          fail_text = "<i>$FAIL <b>($ATTEMPTS)</b></i>"; # can be set to empty
          fail_transition = 300; # transition time in ms between normal outer_color and fail_color
          capslock_color = -1;
          numlock_color = -1;
          bothlock_color = -1; # when both locks are active. -1 means don't change outer color (same for above)
          invert_numlock = false; # change color if numlock is off
          position = "0, -20";
          halign = "center";
          valign = "center";
        };

        label = {
          monitor = "";
          text = "Hi there, $USER";
          color = "rgba(200, 200, 200, 1.0)";
          font_size = 25;
          font_family = "Noto Sans";
          position = "0, 80";
          halign = "center";
          valign = "center";
        };
      };
    };

    programs.wlogout = lib.mkIf config.desktop.wlogout.enable {
      enable = true;
      layout = [
        {
          label = "shutdown";
          action = "systemctl poweroff";
          text = "Shutdown";
        }
        {
          label = "hyprland";
          action = "hyprctl dispatch exit";
          text = "Exit Hyprland";
        }
        {
          label = "whatever";
          action = "";
          text = "whatever";
        }
        {
          label = "reboot";
          action = "systemctl reboot";
          text = "Reboot";
        }
        {
          label = "suspend";
          action = "systemctl suspend";
          text = "Suspend";
        }
        {
          label = "hibernate";
          action = "systemctl hibernate";
          text = "Hibernate";
        }
      ];

      style = ''
        @import url("file:///home/willifan/.config/gtk-4.0/gtk.css");
        * {
        	background-image: none;
        	box-shadow: none;
        }

        window {
        	background-color: rgba(12, 12, 12, 0.9);
        }

        button {
          border-radius: 10px;
          border-color: #ffa44b;
        	border-style: solid;
          border-width: 2px;
        	background-repeat: no-repeat;
        	background-position: center;
        	background-size: 25%;
        }

        button:focus, button:active, button:hover {
        	/*background-color: #3700B3;*/
        	outline-style: none;
        }

        #suspend {
          background-image: image(url("${icons}/suspend.png"));
        }

        #hibernate {
          background-image: image(url("${icons}/hibernate.png"));
        }

        #shutdown {
          background-image: image(url("${icons}/shutdown.png"));
        }

        #reboot {
          background-image: image(url("${icons}/reboot.png"));
        }
      '';
    };
  };
}