scripts/bluetooth_manager at main · PinetheApple/scripts · GitHub

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#!/bin/bash

connect_device() {
    local device_name=$1
    if [ -z "$device_name" ]; then
        echo "No device specified. Attempting to connect to known devices..."
        known_devices=$(bluetoothctl devices | awk '{print $2}')
		if [ -z "$known_devices" ]; then
			echo "No known devices. Exiting..."
			exit 1
		fi
        for device in $known_devices; do
            echo "Trying to connect to $device..."
            if bluetoothctl connect "$device"; then
                echo "Successfully connected to $device."
                return 0
            fi
            echo "Failed to connect to $device."
            sleep 1
        done
        echo "All known devices failed to connect."
    else
        echo "Attempting to connect to $device_name..."
		mac_address=$(bluetoothctl devices | grep -i "$device_name" | awk '{print $2}')
		if [ -n "$mac_address" ]; then
            echo "Attempting to connect to $device_name ($mac_address)..."
            if bluetoothctl connect "$mac_address"; then
                echo "Successfully connected to $device_name."
            else
                echo "Failed to connect to $device_name."
            fi
        else
            echo "Device '$device_name' not found."
        fi
    fi
}

restart_bluetooth() {
	echo "Restarting bluetooth..."
	rfkill block bluetooth
	rfkill unblock bluetooth
	echo "Restarted bluetooth."
}

if [ "$#" -lt 1 ]; then
    echo -e "Usage: $0 [option] [device_name]\n"
	echo "Options -"
	echo -e "  restart                         \t Restart bluetooth incase it isn't powering on"
	echo -e "  connect <device_name> (optional)\t Connect with a device (or try connecting to all known devices till one connects)"
	echo -e "  disconnect                      \t Disconnect bluetooth from any connected device(s)"
	echo -e "  on                              \t Power off bluetooth"
	echo -e "  off                             \t Power off bluetooth"
    exit 1
fi

action=$1
device_name=$2

case $action in
    connect)
        connect_device "$device_name"
        ;;
    disconnect)
		bluetoothctl disconnect
        ;;
	on)
		bluetoothctl power on
		;;
	off)
		bluetoothctl power off
		;;
	restart)
		restart_bluetooth
		;;
    *)
        echo "Invalid action."
        exit 1
        ;;
esac