{ pkgs, ... }:
let
  volume-control = pkgs.writeShellScriptBin "volume-control" ''
    TAG="audio-volume"

    function get_vol {
      ${pkgs.wireplumber}/bin/wpctl get-volume @DEFAULT_AUDIO_SINK@ | awk '{print int($2 * 100)}'
    }

    case $1 in
      up)   ${pkgs.wireplumber}/bin/wpctl set-volume -l 1.5 @DEFAULT_AUDIO_SINK@ 5%+ ;;
      down) ${pkgs.wireplumber}/bin/wpctl set-volume @DEFAULT_AUDIO_SINK@ 5%- ;;
      mute) ${pkgs.wireplumber}/bin/wpctl set-mute @DEFAULT_AUDIO_SINK@ toggle ;;
    esac

    vol=$(get_vol)
    is_muted=$(${pkgs.wireplumber}/bin/wpctl get-volume @DEFAULT_AUDIO_SINK@ | grep "MUTED")

    if [ -n "$is_muted" ]; then
      ${pkgs.dunst}/bin/dunstify -a "Volume" -u low \
        -h string:x-canonical-private-synchronous:$TAG \
        "Volume: Muted"
    else
      ${pkgs.dunst}/bin/dunstify -a "Volume" -u low \
        -h string:x-canonical-private-synchronous:$TAG \
        -h int:value:"$vol" \
        "Volume: $vol%"
    fi
  '';

  brightness-control = pkgs.writeShellScriptBin "brightness-control" ''
    TAG="screen-brightness"

    case $1 in
      up)   ${pkgs.brightnessctl}/bin/brightnessctl set +5% ;;
      down) ${pkgs.brightnessctl}/bin/brightnessctl set 5%- ;;
    esac

    # Get current percentage
    current=$(${pkgs.brightnessctl}/bin/brightnessctl info | grep -oP '\(\K[0-9]+(?=%\))')

    ${pkgs.dunst}/bin/dunstify -a "Brightness" -u low \
      -h string:x-canonical-private-synchronous:$TAG \
      -h int:value:"$current" \
      "Brightness: $current%"
  '';

  mic-control = pkgs.writeShellScriptBin "mic-control" ''
    TAG="audio-mic"

    case $1 in
      toggle) ${pkgs.wireplumber}/bin/wpctl set-mute @DEFAULT_AUDIO_SOURCE@ toggle ;;
    esac

    is_muted=$(${pkgs.wireplumber}/bin/wpctl get-volume @DEFAULT_AUDIO_SOURCE@ | grep "MUTED")

    if [ -n "$is_muted" ]; then
        ${pkgs.dunst}/bin/dunstify -a "Microphone" -u low \
          -h string:x-canonical-private-synchronous:$TAG \
          "Microphone: Muted"
    else
        ${pkgs.dunst}/bin/dunstify -a "Microphone" -u low \
          -h string:x-canonical-private-synchronous:$TAG \
          "Microphone: On"
    fi
  '';
  beesettings = pkgs.writeShellScriptBin "beesettings" ''
    CONFIG_FILE="$HOME/.config/beeSettings"
    WALL_DIR="$HOME/Pictures/Wallpapers"

    init_settings() {
        if [ ! -f "$CONFIG_FILE" ]; then
            mkdir -p "$(dirname "$CONFIG_FILE")"
            echo -e "theme=dark\nnightlight=off\nwallpaper=$WALL_DIR/default.jpg" > "$CONFIG_FILE"
        fi
    }

    get_val() { grep "^$1=" "$CONFIG_FILE" | cut -d'=' -f2; }
    set_val() { sed -i "s|^$1=.*|$1=$2|" "$CONFIG_FILE"; }
    set_layout() { mmsg -l "$1"; }

    apply_all() {
        local theme=$(get_val "theme")
        local wall=$(get_val "wallpaper")
        local mode_flag="dark"
        [ "$theme" == "light" ] && mode_flag="light"

        matugen image "$wall" -m "$mode_flag" -t scheme-content --source-color-index 0 2>/dev/null
        wallust -q -s run "$wall" 2>/dev/null

        dconf write /org/gnome/desktop/interface/color-scheme "'prefer-$mode_flag'"

        if [ -z "$WAYLAND_DISPLAY" ] && [ -n "$DISPLAY" ]; then
            xrdb -merge "$HOME/.Xresources"
        fi
        [ -f "$HOME/.config/sequences" ] && sh "$HOME/.config/sequences"
    }

    cmd_wall() {
        list_walls() {
            for wall in "$WALL_DIR"/*.{jpg,jpeg,png,webp}; do
                [ -f "$wall" ] && echo -en "$(basename "$wall")\0icon\x1f$wall\n"
            done
        }

        SELECTED=$(list_walls | rofi -dmenu -i -p "Wallpaper" \
            -show-icons \
            -theme-str 'element { orientation: vertical; padding: 15px; }' \
            -theme-str 'element-icon { size: 10em; horizontal-align: 0.5; }' \
            -theme-str 'listview { columns: 3; lines: 2; }' \
            -theme-str 'window { width: 50%; }')

        if [ -n "$SELECTED" ]; then
            FULL_PATH="$WALL_DIR/$SELECTED"
            set_val "wallpaper" "$FULL_PATH"
            
            if [ -n "$WAYLAND_DISPLAY" ]; then
                if command -v swww >/dev/null 2>&1; then
                    swww img "$FULL_PATH" --transition-type grow --transition-fps 120 --transition-step 60 --transition-duration 1.5
                else
                    pkill swaybg; swaybg -i "$FULL_PATH" -m fill &
                fi
            else 
                feh --bg-fill "$FULL_PATH"
            fi

            apply_all
        fi
    }

    cmd_settings() {
        local theme=$(get_val "theme")
        local nl=$(get_val "nightlight")

        CHOICE=$(echo -e "Mode: $theme\nNight Light: $nl\nLayouts" | rofi -dmenu -p "Settings" -i)

        case "$CHOICE" in
            "Mode: "*)
                [ "$theme" == "dark" ] && set_val "theme" "light" || set_val "theme" "dark"
                apply_all
                ;;
            "Night Light: "*)
                if [ "$nl" == "on" ]; then
                    set_val "nightlight" "off"; pkill wlsunset
                else
                    set_val "nightlight" "on"; wlsunset -T 4500 &
                fi
                ;;
            "Layouts")
                L=$(echo -e "tile\nmonocle\nscroller\ntgmix\ngrid\ndeck\ncenter tile\nright tile\nvertical scroller\nvertical tile\nvertical grid\nvertical deck" | rofi -dmenu -p "Layout")
                case "$L" in
                    "tile")
                    set_layout "T"
                    ;;
                    "monocle")
                    set_layout "M"
                    ;;
                    "scroller")
                    set_layout "S"
                    ;;
                    "tgmix")
                    set_layout "TG"
                    ;;
                    "grid")
                    set_layout "G"
                    ;;
                    "deck")
                    set_layout "K"
                    ;;
                    "center tile")
                    set_layout "CT"
                    ;;
                    "right tile")
                    set_layout "RT"
                    ;;
                    "vertical grid")
                    set_layout "VG"
                    ;;
                    "vertical tile")
                    set_layout "VT"
                    ;;
                    "vertical deck")
                    set_layout "VK"
                    ;;
                    "vertical scroller")
                    set_layout "VS"
                    ;;
                esac
                ;;
        esac
    }


    init_settings
    case "$1" in
        wall)     cmd_wall ;;
        settings) cmd_settings ;;
        apply)    apply_all ;; 
        *)        echo "Usage: bee {wall|settings|apply}" ;;
    esac
  '';

in
{
  home.packages = [
    volume-control
    brightness-control
    mic-control
    beesettings
  ];
}