{inputs, pkgs, lib, config, ...}:
let
  cfg = config.nix-config.style;
in
{
    # required to autoload fonts from packages installed via Home Manager
    fonts.fontconfig.enable = true;

    # waybar requires font-awesome
    home.packages = [
        pkgs.pavucontrol
    ];

    # enable waybar
    programs.waybar.enable = true;
    programs.waybar = {
        settings = {

            mainBar = {
                layer = "top";
                position = "top";

                margin-top = 5;
                # margin-bottom = 2;
                # margin-left = 5;
                # margin-right = 5;

                # margin between the modules
                spacing = 2;

                modules-left = [
                    "hyprland/workspaces"
                    "hyprland/window"
                ];

                modules-center = [
                    "clock"
                    "custom/notification"
                ];

                modules-right = [
                    "tray"
                    "privacy"
                    "network"
                    "wireplumber"
                    "battery"
                    "backlight"
                    "idle_inhibitor"
                ];


                # module specific settings
                "hyprland/workspaces" = {
                    format = "{icon}";
                    format-icons = {
                        active = "●";
                        default = "○";
                    };
                };
                "hyprland/window"= {
                    "icon" = true;
                    "separate-outputs" = true;
                    "format" = "{}";
                    "rewrite" = {
                        "(.*) — Mozilla Firefox" = "$1";
                        "(.*) — Zen Browser" = "$1";
                        "(.*) - fish" = "> [$1]";
                        "(.*) - Visual Studio Code" = "$1";
                    };
                };
                "clock" = {
                    format = "{:%H:%M}";
                    interval = 1;
                    tooltip-format = "<tt>{calendar}</tt>";
                    calendar = {
                        "format" = {
                            "today" = "<span color='#fAfBfC'><b>{}</b></span>";
                        };
                    };
                };
                "idle_inhibitor" = {
                    format = "{icon}";
                    format-icons = {
                        activated = "";
                        deactivated = "";
                    };
                    tooltip = "true";
                };
                "bluetooth" = {
                    format-on = "󰂯";
                    format-off = "BT-off";
                    format-disabled = "󰂲";
                    format-connected-battery = "{device_battery_percentage}% 󰂯";
                    format-alt = "{device_alias} 󰂯";
                    tooltip-format = "{controller_alias}\t{controller_address}\n\n{num_connections} connected";
                    tooltip-format-connected = "{controller_alias}\t{controller_address}\n\n{num_connections} connected\n\n{device_enumerate}";
                    tooltip-formaenumeratet-enumerate-connected = "{device_alias}\n{device_address}";
                    tooltip-format-enumerate-connected-battery = "{device_alias}\n{device_address}\n{device_battery_percentage}%";
                    on-click-right = "blueman-manager";
                };
                "battery" = {
                    interval = 60;
                    states = {
                        good = 80;
                        warning = 30;
                        critical = 10;
                    };
                    format = "{capacity}% {icon}";
                    format-charging = "{capacity}% 󰂄";
                    format-plugged = "{capacity}% 󰂄 ";
                    format-icons = [ "󰁻" "󰁼" "󰁾" "󰂀" "󰂂" "󰁹" ];
                };
                "backlight" = {
                    "format" = "{percent}% {icon}";
                    "format-icons" = ["" "" "" "" "" "" "" "" ""];
                };
                "wireplumber" = {
                    scroll-step = 10;
                    format = "{icon} {volume}%";# {format_source}";
                    format-bluetooth = "{volume}% {icon}";# {format_source}";
                    format-bluetooth-muted = " {icon}";# {format_source}";
                    format-muted = " Muted";# {format_source}";
                    # format-source = " {volume}%";
                    # format-source-muted = "";
                    format-icons = {
                        headphone = "";
                        hands-free = "";
                        headset = "";
                        phone = "";
                        portable = "";
                        default = [
                            ""
                            ""
                            ""
                        ];
                    };
                    on-click = "XDG_CURRENT_DESKTOP=GNOME gnome-control-center sound";
                };
                "tray" = {
                    spacing = 5;
                };
                "custom/notification" = {
                    tooltip = false;
                    format = "{icon} {}";
                    format-icons = {
                        notification = "<span foreground='red'><sup></sup></span>";
                        none = "";
                        dnd-notification = "<span foreground='red'><sup></sup></span>";
                        dnd-none = "";
                        inhibited-notification = "<span foreground='red'><sup></sup></span>";
                        inhibited-none = "";
                        dnd-inhibited-notification = "<span foreground='red'><sup></sup></span>";
                        dnd-inhibited-none = "";
                    };
                    return-type = "json";
                    exec-if = "which swaync-client";
                    exec = "swaync-client -swb";
                    on-click = "swaync-client -t -sw";
                    on-click-right = "swaync-client -d -sw";
                    escape = true;
                };
                "network" = {
                    format =  "󰤭";
                    format-ethernet = " {ipaddr}";
                    format-wifi = "{icon}";
                    format-icons = [ "󰤯" "󰤟" "󰤢" "󰤥" "󰤨" ];
                    format-disconnected = "󰤭";
                    tooltip-format = " {ifname} via {gwaddr}";
                    # TODO - don't escape the strings in the tooltip
                    tooltip-format-wifi = ''
                        󰤨 {essid}({signalStrength}%), {frequency} GHz\nInterface: {ifname}
                        IP: {ipaddr}    GW: {gwaddr}

                        <span color='#a6da95'>{bandwidthUpBits}</span> <span color='#ee99a0'>{bandwidthDownBits}</span>    <span color='#c6a0f6'>󰹹{bandwidthTotalBits}</span>
                    '';
                    tooltip-format-ethernet = ''
                         {ifname} - {ipaddr}/{cidr}

                        <span color='#a6da95'>{bandwidthUpBits}</span> <span color='#ee99a0'>{bandwidthDownBits}</span>    <span color='#c6a0f6'>󰹹{bandwidthTotalBits}</span>
                    '';
                    tooltip-format-disconnected = "Disconnected";
                    on-click = "XDG_CURRENT_DESKTOP=GNOME gnome-control-center wifi";
                };
                "privacy" = {
                    icon-spacing = 4;
                    # icon-size" = 18;
                    transition-duration = 250;
                    modules = [
                        {
                            type = "screenshare";
                            tooltip = true;
                            # tooltip-icon-size = 24
                        }
                        {
                            type = "audio-out";
                            tooltip = true;
                            # tooltip-icon-size = 24
                        }
                        {
                            type = "audio-in";
                            tooltip = true;
                            # tooltip-icon-size = 24
                        }
                    ];
                };
            };
        };

        style = ''
            * {
                font-family: "${cfg.monospaceFont}";
                font-weight: bold;
                font-size: ${builtins.toString (cfg.fontSizes.desktop + 7)}px;
            }

            window#waybar {
                background-color: transparent;
            }

            .module {
                background: rgba(0, 0, 0, 0.6);
                color: white;
                border-radius: 7px;
                padding: 5px 5px 5px 5px;
            }
            box.module button:hover {
                box-shadow: inset 0 -3px #ffffff;
            }

            .modules-left {
                padding: 3px;
            }

            .modules-right {
                padding: 3px;
            }

            .modules-center {
                padding: 3px;
            }

            #workspaces button {
                color: #ffffff;
            }

            #battery.warning {
                background:rgba(240, 165, 0, 0.6);
            }
            #battery.critical {
                background:rgba(255, 0, 0, 0.6);
            }
        '';
    };
}