#include <stdio.h>

// Question 2

/* For the functions that return a product id, and its sales value, this struct will be a data type that holds both
 * It is unnecessary, I could just print the product sales from the printf using sales[id-1]
 * But I wanted some practice with structs, so I did this
 */
struct sales_data { // For returning a product id and its sales
	int id; // The ID of the product
	int sales; // Amount of sales of the product
};

// Returns sum of all sales
int find_total_sales(const int sales[], int len) {
	int total = 0;
	for(int i = 0; i < len; i++) {
		total += sales[i];
	}
	return total;
}

// Returns id and sales of product with most sales
struct sales_data find_highest(const int sales[], int len) {
	// Initialize our return values with the first item in the array
	struct sales_data result;
	// Default to values of first in array
	result.id = 1;
	result.sales = sales[0];
	// Loop and if something was more, it is our new return value
	for(int i = 0; i < len; i++) {
		if(sales[i] > result.sales) {
			result.id = i+1;
			result.sales = sales[i];
		}
	}
	return result;
}

// Returns id and sales of product with the least sales
struct sales_data find_lowest(const int sales[], int len) {
	// Initialize our return values with the first item in the array
	struct sales_data result;
	result.id = 1;
	result.sales = sales[0];
	// Loop and if something was less, it is our new return value
	for(int i = 0; i < len; i++) {
		if(sales[i] < result.sales) {
			result.id = i+1;
			result.sales = sales[i];
		}
	}
	return result;
}

int main() {
	int sales[5] = {20,15,30,10,25};
	// Test functions
	printf("Total Sales: %d\n", find_total_sales(sales, 5));
	struct sales_data highest_sales = find_highest(sales, 5);
	printf("Product with Highest Sales: Product %d with %d units\n", highest_sales.id, highest_sales.sales);
	struct sales_data lowest_sales = find_lowest(sales, 5);
	printf("Product with Lowest Sales: Product %d with %d units\n", lowest_sales.id, lowest_sales.sales);

	return 0;
}