From b4c94d4d3b8db95167e611bc5d9e1e8b0ed1fe33 Mon Sep 17 00:00:00 2001
From: "David T. Sadler" <davidtsadler@googlemail.com>
Date: Tue, 30 Jun 2026 20:28:21 +0100
Subject: Add Bluetooth rofi script

---
 bin/.bin/bluetooth.sh | 140 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 140 insertions(+)
 create mode 100755 bin/.bin/bluetooth.sh

(limited to 'bin')

diff --git a/bin/.bin/bluetooth.sh b/bin/.bin/bluetooth.sh
new file mode 100755
index 0000000..5ae5281
--- /dev/null
+++ b/bin/.bin/bluetooth.sh
@@ -0,0 +1,140 @@
+#!/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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