/*

Program file: 	snowhp3.c
Author: 	Harmonie Snow
Date: 		October 9, 2022
Assignment: 	Program #3
Objective: 	This program calculates and prints the average of two or more
		movie rating values entered by the user.			
*/

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

int main(void)

{
/*declare variables*/
	
	int num_rate, rating = 0, rate_sum = 0, x = 1;
	char c;
	float movie_av;
	
/*greet the user*/

printf("Welcome to Mr. Paw's Movie Rating Analyzer.\n\n");

/*explain the program*/

printf("This program calculates the average of as many movie ratings you wish to enter..\n\n");

/*prompt the user for # of movie ratings to process.*/

do
{
	printf("First, enter the number of movie ratings to process: ");
	
	scanf("%i", &num_rate);
	while ( (c = getchar() != '\n') && c != EOF);

	if ( num_rate < 2 )
		printf("Sorry, we need at least two ratings to provide an average. Try again.\n\n");

} while (num_rate < 2); /*end loop*/

/*prompt the user for each movie rating, one by one.*/

do
{
	printf("Enter movie rating #%i: ",x);
	scanf("%i", &rating);
	while ( (c = getchar() != '\n') && c != EOF);
	
	if ( rating >= 0 && rating <= 10 ) {
		x = x + 1;
		rate_sum = rate_sum + rating;
		printf("Cool. The sum is %i now.\n",rate_sum);
	} else {
		printf("Sorry, the rating must be between 0 and 10.\n"); 
	}			
} while (x <= num_rate); /*end loop*/

/*once all values are entered, calculate the average of all the valid values.*/

movie_av = rate_sum / num_rate;

printf("The average of the %i movie ratings entered is %.1f stars.\n\n", num_rate, movie_av);

/*display to the user a message based on the average found.*/

if ( movie_av < 2.5 )
	printf("You are a tough critic!\n");
else if ( movie_av >= 2.5 && movie_av < 5.5 )
	printf("Your movie ratings are pretty low.\n");
else if ( movie_av >= 5.5 && movie_av < 8.5 )
	printf("Your movie ratings are fair.\n");
else if( movie_av >= 8.5 )
	printf("You are a very generous critic!\n");
} 
/*end main*/