/*
* MyThread.cpp
* Benjamin Bertka - 23306013
* bbertka@mss.icics.ubc.ca
* 
* CICS505 - os6 part B
*/

#include "windows.h"
#include <string>
#include <string.h>
#include <tchar.h>
#include <iostream>
#include "MyThread.h"
#include <process.h>
#include <time.h>

using namespace std;

/* a global list of MyThrads*/
MyThread *threadList;

/*a global list of thread handles*/
HANDLE *handles;

/*
* creates a random number no larger than 10000 (1 sec)
* and no smaller than 200 (msec)
*/
int randomWait(){
	return 	rand() % 9800 + 200;
}

/*
* creates a random number between 1 and max
*/
int randomIncrement(int max){
	return 	rand() % max + 1;
}

int main(int argc, char **argv){

srand(unsigned int(time(NULL)));	//seed the random numbers once

if(argc != 3){		//really minimul error checking
	cout << "Incorrect number of arguments." <<endl;
	cout <<"Usage: thread.exe [int threads] [int goal]" <<endl;
	return 0;
}

int numThreads = atoi(argv[1]);
int maxGoal = atoi(argv[2]);

//create the threadlist and handle list
threadList = new MyThread[numThreads];
handles = new HANDLE[numThreads];


//loop and initialize each threa din the list
for(int i = 0; i < numThreads; ++i){
	threadList[i].setParameter(i, maxGoal, randomWait(), randomIncrement(maxGoal - 1));
	if(!threadList[i].create()){
		cout << "could not create thread: " << endl;
	}
	handles[i] = threadList[i].handle;
}

//the race begins
int i = 0;
bool race = true;

while(race){								//while racing
	for(i = 0; i < numThreads ; ++i){
		if(threadList[i].data[0] > maxGoal){	//check each thread to see if it hits goal
			race = false;
			cout << endl << "And the winner is : " << i << endl;
			threadList[i].winPrint();	
			for(int j = 0; j < numThreads; ++j){		//print loser status
				if(j != i){
					threadList[j].lostPrint();
				}
			}
			WaitForMultipleObjects(DWORD(numThreads),handles,true, 0);
		}
	}
}
return 0;
}