#!/usr/bin/env bash

get_default_sink_label() {
    # Get the ID of the default sink (output device)
    default_sink=$(wpctl status 2>/dev/null | awk '/Sinks:/,/Sources:/' | awk '/\*/ {print $3}' | tr -d '.')

    if [ -z "$default_sink" ]; then
        echo "No default audio output device found"
        exit 1
    fi

    # Get the description or fallback to node.name
    device_name=$(wpctl inspect "$default_sink" 2>/dev/null | awk -F '"' '/node.description/ {print $2}')

    if [ -z "$device_name" ]; then
        device_name=$(wpctl inspect "$default_sink" 2>/dev/null | awk -F '"' '/node.name/ {print $2}')
    fi

    # Map known device names to labels
    case "$device_name" in
        "Starship/Matisse HD Audio Controller Analog Stereo")
            label="Speakers"
            ;;
        "Yeti Stereo Microphone Analog Stereo")
            label="Earphones"
            ;;
        *)
            label="$device_name"
            ;;
    esac

    # Output the label
    #echo "{\"text\":\"$label\",\"alt\":\"$device_name\"}"
    printf '{"text":"%s","alt":"%s"}\n' "$label" "$device_name"
}

get_default_sink_label

pactl subscribe 2>/dev/null | while read -r line; do
    # Filter for default sink or node changes
    if echo "$line" | grep -qE "Event 'change' on sink #"; then
        # Overwrite previous output
        get_default_sink_label
    fi
done