/*

Program file: 	snowhp4.c
Author: 		Harmonie Snow
Date: 			October 23, 2022
Assignment: 	Program #4
Objective: 		This program allows the user to enter sales information for a number of sales
                persons and compute the commissions due for each, and summary results in report form.

*/

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

int main(void)

{
    /*declare variables*/
    int s, x, sales_count, persons;
    char c, emp_name[10][20], company[15];
    float sale[10], per, pct[10], commission[10], sales = 0.0, sale_total = 0.0;

    /*prompt for company name*/

    printf("Enter your company name: ");
    scanf("%14[^\n]", company);
    while((c = getchar() != '\n') && c != EOF);

    printf("\nWelcome to the %s Sales Analysis\n\n", company);
    
    /*prompt for info*/
    
    do
    {
    	printf("Enter the number of sales persons (1-10): ");
    	scanf("%i", &persons);
    	while((c = getchar() != '\n') && c != EOF);
    
    	if ( persons < 1 || persons > 10)
    		printf("Sorry, please enter a number between 1 and 10.\n\n");
    		
    } while (persons < 1 || persons > 10);
    
    for (s = 1; s <= persons; s++)
    {
		printf ("\nEnter the name of sales person #%i: ", s);
		scanf ("%19[^\n]", emp_name[s]);
		while ( (c = getchar() != '\n') && c != EOF);
		
		do
		{
			printf("Enter the number of sales for %s: ", emp_name[s]);
			scanf("%i", &sales_count);
			while ( (c = getchar() != '\n') && c != EOF);
			
			if (sales_count <= 0)
				printf("Sorry, please enter an amount greater than zero.\n\n");
				
		} while (sales_count <= 0);
		
		do
		{
			printf("Enter the commission percentage for %s: ", emp_name[s]);
			scanf("%f", &per);
			while ( (c = getchar() != '\n') && c != EOF);
			
			if (per < 1 || per > 50)
				printf("Sorry, please enter a percentage between 1 and 50.\n\n");
				
		} while (per < 1 || per > 50);
		
		printf("\n");
		
		/*get individual sales amounts*/
		
		for (x = 1; x <= sales_count; x++) 
		{	
			do
			{
				printf("  Sale #%i for %s: ", x, emp_name[s]);
				scanf("%f", &sales);
				while ( (c = getchar() != '\n') && c != EOF);
				
				if (sales <= 0)
					printf("Sorry, please enter an amount greater than zero.\n");
				
			} while (sales <= 0);
			
			sale_total = sale_total + sales; 
			  
		}/*end inner loop*/
		  
		pct[s] = per / 100;
		commission[s] = sale_total * pct[s];
		sale[s] = sale_total;
				  
		sale_total = 0.0;
		  
    }/*end outer loop*/

	/*print the report from the data collected*/
	
    printf("\n\n");
    printf("    *** %s Sales Commission Report ***", company);
    printf("\n\n");
    printf(" Name         Sales          Commission\n");
    printf(" ----         -----          ----------\n");
    
    for (s = 1; s <= persons; s++)
    {
  		printf("%-10s %10.2f %15.2f\n", emp_name[s], sale[s], commission[s]);
    }    
    
}/*end main*/