using System;
using System.Threading;

namespace ProducerConsumer
{
    class MyParams
    {
        public bool isStop;
    }

    class Program
    {
        static int capacity = 3;
        static int storage = 0;
        static object locker = new object();
        static AutoResetEvent consumerHandle = new AutoResetEvent(false);
        static AutoResetEvent producerHandle = new AutoResetEvent(false);

        public static void Produce(object param)
        {
            var myparam = (MyParams)param;
            while (!myparam.isStop)
            {
                if (storage >= capacity)
                {
                    Console.WriteLine("Producer: storage full");
                    consumerHandle.WaitOne();
                }
                lock (locker)
                {
                    storage += 1;
                    Console.WriteLine($"Producer: product produced, left: {storage}");
                    producerHandle.Set();

                }
                Thread.Sleep((new Random()).Next(2, 2) * 100);
            }
        }

        public static void Consume(object param)
        {
            var myparam = (MyParams)param;
            while (!myparam.isStop)
            {
                if (storage <= 0)
                {
                    Console.WriteLine("Consumer: storage empty");
                    producerHandle.WaitOne();
                }
                lock (locker)
                {
                    storage -= 1;
                    Console.WriteLine($"Consumer: product taken, left: {storage}");
                    consumerHandle.Set();

                }
                Thread.Sleep((new Random()).Next(9, 10) * 100);
            }
        }

        static void Main(string[] args)
        {
            MyParams param = new MyParams { isStop = false };
            Thread thr1 = new Thread(Produce);
            Thread thr2 = new Thread(Consume);
            thr1.Start(param);
            thr2.Start(param);
            Console.ReadLine();
            param.isStop = true;
        }
    }
}