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#!/usr/bin/env bash
set -uo pipefail # Keep -e off so our self-healing logic can handle error codes safely
# Define the Rofi menu layout.
declare -a order=(
"⚡ Power On Bluetooth"
"🛑 Power Off Bluetooth"
"🔌 Disconnect All Devices"
"---"
"Speaker"
"Earphones"
"Earphones Left"
"Living Room"
)
# Map profiles to hardware MAC addresses.
declare -A devices
devices[Speaker]="A0:E9:DB:0E:43:79"
devices[Earphones]="98:52:3D:F2:6E:3E"
devices["Earphones Left"]="98:52:3D:F2:36:78"
devices["Living Room"]="42:46:9F:D0:2C:53"
# Prompt User via Rofi.
MENU_OPTIONS=$(printf "%s\n" "${order[@]}")
SELECTION=$(echo "$MENU_OPTIONS" | rofi -dmenu -p "Bluetooth Menu:")
# Exit gracefully if the user hits Escape.
if [ -z "$SELECTION" ] || [ "$SELECTION" = "---" ]; then
exit 0
fi
if [ "$SELECTION" = "⚡ Power On Bluetooth" ]; then
notify-send "BT" "Powering adapter on..."
bluetoothctl power on
exit 0
fi
if [ "$SELECTION" = "🛑 Power Off Bluetooth" ]; then
notify-send "BT" "Powering adapter off..."
bluetoothctl power off
exit 0
fi
if [ "$SELECTION" = "🔌 Disconnect All Devices" ]; then
notify-send "BT" "Clearing all active connections..."
for name in "${!devices[@]}"; do
bluetoothctl disconnect "${devices[$name]}" >/dev/null 2>&1 || true
done
notify-send "BT" "All devices disconnected."
exit 0
fi
if [ -z "${devices[$SELECTION]:-}" ]; then
notify-send "ERROR" "Invalid choice: $SELECTION"
exit 1
fi
TARGET_MAC="${devices[$SELECTION]}"
# Ensure controller is actually powered up before trying to connect.
if ! bluetoothctl show | grep -q "Powered: yes"; then
notify-send "BT" "Waking up Bluetooth adapter..."
bluetoothctl power on
sleep 2
fi
# Force controller runtime options to accept incoming passthroughs.
bluetoothctl pairable on >/dev/null 2>&1 || true
bluetoothctl discoverable on >/dev/null 2>&1 || true
# Disconnect existing targets to free up the system audio pipelines.
for name in "${!devices[@]}"; do
bluetoothctl disconnect "${devices[$name]}" >/dev/null 2>&1 || true
done
# Query the machine's local hardware database cache.
DEVICE_CHECK=$(bluetoothctl info "$TARGET_MAC" 2>&1 || true)
if echo "$DEVICE_CHECK" | grep -q "not available"; then
notify-send "BT: Provisioning" "Device missing from system cache. Probing airwaves..."
# Run a targeted background scan pass to register device metadata.
bluetoothctl --timeout 5 scan on >/dev/null 2>&1 &
SCAN_PID=$!
sleep 4
kill "$SCAN_PID" 2>/dev/null || true
wait "$SCAN_PID" 2>/dev/null || true
sleep 1
notify-send "BT: Provisioning" "Exchanging encryption keys..."
bluetoothctl pair "$TARGET_MAC"
bluetoothctl trust "$TARGET_MAC"
fi
# Attempt targeted connection sequence.
notify-send "BT Switch" "Routing audio to $SELECTION..."
CONNECT_OUT=$(bluetoothctl connect "$TARGET_MAC" 2>&1 || true)
echo "$CONNECT_OUT"
if echo "$CONNECT_OUT" | grep -q "Connection successful"; then
bluetoothctl trust "$TARGET_MAC" >/dev/null 2>&1 || true
# WirePlumber Sinks Syncing Engine.
CLEAN_MAC="${TARGET_MAC//:/_}"
SINK_NAME=$(wpctl status | grep -o "bluez_output\.[^\ ]*${CLEAN_MAC}[^\ ]*" | head -n 1 || true)
if [ ! -z "$SINK_NAME" ]; then
wpctl set-default "$SINK_NAME"
# Set a safe volumne just in case we connect to earphones.
wpctl set-volume "$SINK_NAME" 0.10
fi
notify-send "BT Switch" "$SELECTION connected successfully!"
# Handle key synchronization issues seamlessly....
elif echo "$CONNECT_OUT" | grep -q "br-connection-key-missing"; then
notify-send "BT Error" "Key mismatch! Purging and re-pairing..."
bluetoothctl remove "$TARGET_MAC" >/dev/null 2>&1 || true
sleep 1
bluetoothctl --timeout 5 scan on >/dev/null 2>&1 &
SCAN_PID=$!
sleep 4
kill "$SCAN_PID" 2>/dev/null || true
wait "$SCAN_PID" 2>/dev/null || true
sleep 1
notify-send "BT Recovery" "Put device in pairing mode!"
bluetoothctl pair "$TARGET_MAC"
bluetoothctl trust "$TARGET_MAC"
if bluetoothctl connect "$TARGET_MAC"; then
notify-send "BT Switch" "$SELECTION repaired and connected!"
else
notify-send "BT ERROR" "Repair fallback routing failed."
fi
else
notify-send "BT ERROR" "Failed to link with $SELECTION. Check pairing state or other devices."
fi
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