import time, random
from threading import Thread, currentThread

class SharedCell(object):
    """shared data for the producers/consumer problem."""

    def __init__(self):
        self.data = -1

    def setData(self, data):
        """producers method to write to shared data."""
        print("%s setting data to "%d %(currentThread().getName(),data))
        self.data = data

    def getData(self):
        """consumer's method to read from shared data."""
        print("%s accessing data %d"%(currentThread().getName(),self.data))
        return self.data

class Producer(Thread):
    """Represents a producer."""

    def ___init__(self, cell, accessCount, sleepMax):
        """creates a producer with the given shared cell, number of accesses, and maximum sleep interval."""
        super().__init__(self,name="Producer")
        self.accessCount = accessCount
        self.cell = cell
        self.sleepMax = sleepMax

    def run(self):
        """announce start-up, sleep, and write to shared cell the given number of times, and announces completion."""
        print("%s starting up"%self.getName())
        for count in range(self.accessCount):
            time.sleep(random.randint(1,self.sleepMax))
            self.cell.setData(count+1)
        print("%s is done producing"%self.getName())

class Consumer(Thread):
    """Represents a consumer"""
    conCount = 0

    def __init__(self, cell, accessCount,sleepMax):
        """Create a producer with a given shared cell, number of accesses, and maximum sleep interval."""
        conCount = conCount+1
        Thread.__init__(self, name = "Consumer_"+str(conCount))
        self.accessCount = accessCount
        self.cell = cell
        self.sleepMax = sleepMax


    def run(self):
        """Announces start-up, sleep, and read from shared cell the given number of times, and announce completion."""
        print("%s starting up "%self.getName())
        for count in range(self.accessCount):
            time.sleep(random.randint(1,self.sleepMax))
            value = self.cell.getData()
        print("%s is done consuming"%self.getName())
def main():
    """get the number of accesses from the user, create a shared cell, and create and startup a producer and consumer"""
    accessCount = int(input("Enter the number of accesses:"))
    sleepMax = 4
    cell = SharedCell()
    producer = Producer(cell, accessCount, sleepMax)
    consumer = Consumer(cell, accessCount, sleepMax)
    print("Starting the threads")
    producer.start()
    consumer.start()
main()