#import required libraries
from Adafruit_Thermal import *
from qiskit import QuantumCircuit, execute, Aer, IBMQ
import qiskit as q
from qiskit.tools.monitor import job_monitor, backend_overview
from qiskit.providers.ibmq import least_busy
import time

#You can add remove or edit prompts from this list.
DeathList = ["Bees","Sour milk","Cuteness","Monsters from\nthe Deep","In space,\nAlone","In Sleep","Peacefully","Toilet","Furnace","Rollercoaster","Extreme cold","Bear","Heat death of\nthe universe","Goose attack","sneezing","Boat accident"]

#load account from disk
provider = IBMQ.load_account()

#4 qubits 4 classical bits
qc = q.QuantumCircuit(4,4)
qc.h(0)
qc.h(1)
qc.h(2)
qc.h(3)
#qc.h(4)
qc.measure([0, 1, 2, 3],[0, 1, 2, 3])

#Print all avaliable quantum computers
print("\nAll backends overview:\n")
backend_overview()
#find the least busy quantum computer and print it.
backend = least_busy(provider.backends(n_qubits=5, operational=True, simulator=False))
print("\nLeast busy 5-qubit backend:", backend.name())
#backend = provider.get_backend('ibmq_belem')

#number of shots for the quantum computer. We are only throwing the dice once.
shots = 1
#execute the circuit on the avaliable quantum computer
job = execute(qc, backend, shots=shots, memory=True)
#monitor the process
job_monitor(job)
#get the result and store it in result.
result = job.result()
#get the qubits from the result and store it in dice
dice=result.get_memory(qc)
#print the received qubits
print("Received qubits: " + dice[0])
#the int command here will turn the binary to a decimal
print("Quantum dice roll result: " + str(int(dice[0],2)))
time.sleep(4)
#define and wake the Thermal printer
printer = Adafruit_Thermal("/dev/serial0", 9600, timeout=5)
printer.wake()

#print the result
print("Printing Result..")
printer.justify('C')
printer.feed(1)
printer.setSize('L')
printer.setSize('M')
printer.println("This is how")
printer.setSize('L')
printer.println("YOU DIE")
import gfx.arrow as arrow
printer.printBitmap(arrow.width, arrow.height, arrow.data)
printer.setSize("L")
printer.println("---------------")
printer.println(DeathList[(int(dice[0],2))])
printer.println("---------------")
printer.feed(1)
printer.setSize("S")
printer.print("Your Qubits: ")
printer.println(dice)

printer.feed(3)

printer.sleep()      # Tell printer to sleep
#printer.wake()       # Call wake() before printing again, even if reset
printer.setDefault() # Restore printer to defaults