#!/usr/bin/env bash
# rofi-audio-switch: pick a PulseAudio/PipeWire sink via rofi

set -euo pipefail

# Get list of sinks: index, name, description
mapfile -t sinks < <(pactl list sinks | awk -F': ' '
    /^Sink #/ { idx=$2 }
    /Name:/ { name=$2 }
    /Description:/ { desc=$2; print idx"\t"name"\t"desc }
')

if [ "${#sinks[@]}" -eq 0 ]; then
    notify-send "Audio Switch" "No sinks found"
    exit 1
fi

current_sink=$(pactl get-default-sink)

# Build rofi menu: show description, mark current with a star
menu=""
for line in "${sinks[@]}"; do
    name=$(echo "$line" | cut -f2)
    desc=$(echo "$line" | cut -f3)
    if [ "$name" = "$current_sink" ]; then
        menu+="* $desc\n"
    else
        menu+="  $desc\n"
    fi
done

chosen=$(echo -e "$menu" | rofi -dmenu -i -p "Audio Output" -markup-rows \
    -theme-str 'listview { lines: 3; }' \
    -theme-str 'window { height: 220px; }')

[ -z "$chosen" ] && exit 0

# Strip the leading marker to match description text
chosen_desc=$(echo "$chosen" | sed 's/^[* ] //')

# Find matching sink name for that description
target_name=""
for line in "${sinks[@]}"; do
    desc=$(echo "$line" | cut -f3)
    if [ "$desc" = "$chosen_desc" ]; then
        target_name=$(echo "$line" | cut -f2)
        break
    fi
done

if [ -z "$target_name" ]; then
    notify-send "Audio Switch" "Could not resolve selection"
    exit 1
fi

# Set as default sink
pactl set-default-sink "$target_name"

# Move all currently running streams to the new sink
mapfile -t inputs < <(pactl list short sink-inputs | cut -f1)
for input in "${inputs[@]}"; do
    pactl move-sink-input "$input" "$target_name"
done

notify-send "Audio Switch" "Switched to: $chosen_desc"