Bluetooth bash function

bt_echodot_functions.sh

# Description: Control Bluetooth via console commands using only one function.
# Argument 1: 'on'; 'off'; 'show'; 'connect'; 'disconnect'; 'scan'; 'pair'
# Argument 2 (connect, disconnect, pair): A Bluetooth device name
bluetooth() {
  if [ "$1" = "on" ]; then
    sudo rfkill unblock bluetooth
    echo "Bluetooth Enabled"

  elif [ "$1" = "off" ]; then
    sudo rfkill block bluetooth
    echo "Bluetooth Disabled"

  elif [ "$1" = "show" ]; then
    echo "Bluetooth Devices:"
    bluetoothctl devices

  elif [ "$1" = "connect" ]; then
    if rfkill list bluetooth | grep -q "Soft blocked: yes"; then
      sudo rfkill unblock bluetooth
      sleep 1
      echo "Bluetooth Enabled"
    fi
    device_name="$2"
    device_mac="$(bluetoothctl devices | grep -i "$2" | cut -d " " -f2)"
    if [ -z "${device_mac}" ]; then
      echo "Device not found: ${device_name}"
      return 1
    fi
    bluetoothctl connect "${device_mac}" &>/dev/null
    echo "${device_name} (${device_mac}) Connected"

  elif [ "$1" = "disconnect" ]; then
    device_name="$2"
    device_mac="$(bluetoothctl devices | grep -i "$2" | cut -d " " -f2)"
    if [ -z "${device_mac}" ]; then
      echo "Device not found: ${device_name}"
      return 1
    fi
    bluetoothctl disconnect "${device_mac}" &>/dev/null
    echo "${device_name} (${device_mac}) Disconnected"

  elif [ "$1" = "scan" ]; then
    bluetoothctl scan on

  elif [ "$1" = "pair" ]; then
    device_name="$2"
    device_mac="$(bluetoothctl devices | grep -i "$2" | cut -d " " -f2)"
    if [ -z "$device_mac" ]; then
      echo "Device not found: ${device_name}"
      return 1
    fi
    echo "Pairing with ${device_name} (${device_mac})..."
    bluetoothctl pair "${device_mac}" &>/dev/null

  else
    if rfkill list bluetooth | grep -q "Soft blocked: yes"; then
      sudo rfkill unblock bluetooth
      echo "Bluetooth Enabled"
    else
      sudo rfkill block bluetooth
      echo "Bluetooth Disabled"
    fi
  fi
}



# Description: Toggle connect/disconnect with Echo Dot-1V5
echodot() {
  if rfkill list bluetooth | grep -q "yes"; then
    sudo rfkill unblock bluetooth
    sleep 2
    echo "Bluetooth Enabled"
  fi

  device_mac="$(bluetoothctl devices | grep -i "Echo Dot-1V5" | cut -d " " -f2)"

  if bluetoothctl info "${device_mac}" | grep -q "Connected: yes"; then
    bluetooth disconnect "Echo Dot-1V5"
  else
    bluetooth connect "Echo Dot-1V5"
  fi
}