#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>

#define NUM_THREADS 4

typedef struct {
        const char* userInput;
}sharedValue;

sharedValue globalVar;

void* threadListen(void* threadID){
        printf("thread %d live\n", threadID);

        return 0;
}

void* printText(void* foo){



	while(globalVar.userInput == NULL){
		//Wait...
	}

 	printf("Thread received text: %s\n", globalVar.userInput);

	return 0;
}


void* mainThread(void* foo){

	pthread_t threads[NUM_THREADS];
	int rc, i;

        for(i = 0; i<NUM_THREADS;i++){

      	        //Printing Thread
      	        if(i == 3)
      	                rc = pthread_create(&threads[i], NULL,  printText, (void *)i);

      	        //Consumer Threads
      	        else
               		rc = pthread_create(&threads[i], NULL,  threadListen, (void *)i);
        }


        if(rc){
                printf("pthread_create ERROR");
                return -1;
        }

	printf("Please enter text: ");
	char textEntered[100];
	scanf("%99[^\r\n]", textEntered);

	//printf("%s", textEntered);
	 globalVar.userInput = textEntered;

       	for (i = 0; i < NUM_THREADS; i++) {
        	pthread_join(threads[i], NULL);
	}

	return 0;
}

int main(int argc, const char* argv[]){

	int rc;

	pthread_t main_thread;

       	//Producer Thread(Main Thread)
	rc = pthread_create(&main_thread, NULL, mainThread, NULL);

        if(rc){
                printf("pthread_create ERROR");
                return -1;
        }

        pthread_join(main_thread, NULL);

        return 0;
}