//Stocks with while
//Jonny Gerold
//cs36
//11-18-08

#include<stdio.h>

void enter_info(char name[15], int *num_shares, float *buy_price, float *cur_price, float *yrly_fees) {
	printf("Please enter the stock name: ");
     		gets(name);
	printf("How many stocks of %s did you buy: ", name);
     		scanf("%d", num_shares);
	printf("Please enter your purchase price, current price, and yearly fees of %s: ", name);
     		scanf("%f%f%f", buy_price, cur_price, yrly_fees);
}

void calc(int num_shares, float *ini_cost, float *cur_cost, float *profit, float buy_price, float cur_price, float yrly_fees) {
	*ini_cost = num_shares * buy_price;
	*cur_cost = num_shares * cur_price;
	*profit = *cur_cost - *ini_cost - yrly_fees;
}

int print(float ini_cost, float cur_cost, float profit) {
	printf("Initial cost is %0.2f\n", ini_cost);
	printf("Current cost is %0.2f\n", cur_cost);

	if (profit > 0) {
		printf("Profit is %0.2f\n", profit);
		return 1;
	} else
	if (profit < 0) {
		printf("You lost %0.2f\n", profit);
		return -1;
	}
	else {
		printf("You broke even");
		return 0;
	}
}

void print_t(float p, float p1, float p2, float p3, float p4) {
	float total;
	total = p + p1 + p2 + p3 + p4;
	printf("You had a total profit of %0.2f\n", total);
}

int main() {
	//variables for adding total profit/loss/break even at the end
	int even=0, loss=0, total_profit=0, tmp=0;

	char name[15];
	int num_shares;
	float ini_cost, cur_cost, profit, buy_price, cur_price, yrly_fees;

	enter_info(name, &num_shares, &buy_price, &cur_price, &yrly_fees);

	while (name != -999) {

	calc(num_shares, &ini_cost, &cur_cost, &profit, buy_price, cur_price, yrly_fees);
	tmp = print(ini_cost, cur_cost, profit);

        //prints number of break even/ negative/ and positive
        if (tmp == 0) {
                even++;
        }
        if (tmp < 0) {
                loss++;
        }
        if (tmp > 0) {
                total_profit++;
        }

	enter_info(name, &num_shares, &buy_price, &cur_price, &yrly_fees);

	__fpurge(stdin);
	}

}