/*
 * programming_scanf_delays.c
 *
 *  Created on: Mar 14, 2023
 *      Author: johnsontimoj
 */
////////////////////////////////////////////////
//
// Program to practice scanf and delays
//
// inputs: from user
// outputs: some printed statements
//
////////////////////////////////////////////
// our included libraries
#include <stdio.h>			// provides access to printf() and scanf()
#include <windows.h>		// provides access to Sleep()

// our defined values
#define DELAY 2000			// anywhere we put DELAY in our code it is replaced with 2000

// start our main function
// format is taken on faith for now
// everything between the { } is part of main
int main(void){
	setbuf(stdout, NULL);	// fixes a console bug in eclipse windows
							// this is taken on faith for now

	// splash
	printf("-------------------------------------\n");
	printf("This is my program to use scanf and delays\n");
	printf("-------------------------------------\n");
	printf("\n");

	// create a few variables
	int int_var;
	float float_var;
	char char_var;

	// initialize only char_var
	char_var = 'G';

	// print them - should be garbage for int_var and float_var
	printf("%i %f %c\n", int_var, float_var, char_var);

	// initialize or modify our variables by reading in new values
	// the & in front of the variable names is taken on faith for now
	printf("Please enter a new int value for int_var: ");
	scanf("%i", &int_var);
	printf("Please enter a new float value for float_var: ");
	scanf("%f", &float_var);
	printf("Please enter a new char value for char_var: ");
//	scanf("%c", &char_var);
	// need to put a space before the % in %c to prevent the previous enter (carriage return) from being used for the character
	scanf(" %c", &char_var);

	// print our values
	// char_val with the %c format prints the character, with the %i format prints the ascii value
	printf("%i %f %c %i\n", int_var, float_var, char_var, char_var);

	// print values with text
	// char_val with the %c format prints the character, with the %i format prints the ascii value
	printf("int_var is: %i, float_var = %f, and char_var is the character %c with ascii value: %i\n", int_var, float_var, char_var, char_var);		// multiple var print

	// create a delay - Sleep uses mS for its input parameter - 2000 --> 2S
	// \t in printf() is the tab characters
	printf("start\t");
	Sleep(DELAY);
	printf("1\t");
	Sleep(DELAY);
	printf("2\t");
	Sleep(DELAY);
	printf("3\n");

	// finish up
	printf("All done!");

	// finish our main function with a return for the operating system - taken on faith
	return 0;
}// end main