import pexpect
import time

class BluetoothCtl:
    def __init__(self):
        self.child = pexpect.spawn("bluetoothctl", encoding='utf-8')
        self.child.expect("#")

    def send_command(self, command, timeout=5):
        self.child.sendline(command)
        self.child.expect("#", timeout=timeout)
        return self.child.before

    def power_on(self):
        self.send_command("power on")

    def power_off(self):
        self.send_command("power off")

    def send_pairing_request(self, mac_address):
        print(f"Sending Pairing Request to {mac_address}")
        pairing_request_data = (
            "000084008000060001000004100000010000041000000100000410000001000004100000010000041000000100000410"
            "000001000004100000010000041000000100000410000001000004100000010000041000000100000410000001000004"
            "100000010000041000000100000410000001000004100000010000041000000100000410000001000004100000010000"
            "0410000001"
        )
        self.send_command(f"pair {mac_address} {pairing_request_data}", timeout=5)

    def send_pairing_confirm(self, mac_address):
        print(f"Sending Pairing Confirm to {mac_address}")
        pairing_confirm_data = (
            "0000150011000600031d9adfe958dd809adcbd7c227274"
        )
        self.send_command(f"pairing confirm {mac_address} {pairing_confirm_data}", timeout=5)

    def send_pairing_random(self, mac_address):
        print(f"Sending Pairing Random to {mac_address}")
        pairing_random_data = (
            "000015001100060004c0c0c0c0c0c0c0c0c0c0c0c0c0c0"                                                                                                                                         
        )                                                                                                                                                                                            
        self.send_command(f"pairing random {mac_address} {pairing_random_data}", timeout=5)                                                                                                          
                                                                                                                                                                                                     
def main():                                                                                                                                                                                          
    bt = BluetoothCtl()                                                                                                                                                                              
    bt.power_on()                                                                                                                                                                                    
    time.sleep(1)                                                                                                                                                                                    
                                                                                                                                                                                                     
    mac_address = input("Enter the MAC address of the device: ")                                                                                                                                     
                                                                                                                                                                                                     
    def send_sequence():                                                                                                                                                                             
        bt.send_pairing_request(mac_address)                                                                                                                                                         
        time.sleep(2)
        bt.send_pairing_confirm(mac_address)
        time.sleep(2)
        bt.send_pairing_random(mac_address)
        time.sleep(2)
        print("Sequence of pairing messages sent successfully.")

    send_sequence()
    bt.power_off()

if __name__ == "__main__":
    main()