//guessing.c

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


int main(void)
{
	printf("Hello, welcome to the guessing game\n");



	char mode;
	srand(time(NULL));
	int NumToGuess; //random number
	int TotalGuesses;
	int found;
	int guess;
	int CharChecker = 0;
	int top;
	int bottom;
	char hly; //testing for high/low/correct
	int Quit = 0; //testing for trying a game again
	char QuitChecker;

	//((top# - bottom) / 2) + bottom = guess

	printf("Do you want to guess, or should I? (Type C for computer, U for you)\n");

while (Quit == 0){ //Unlimited loop. Progam will keep looping until closed


while (CharChecker == 0){ //Checking for whether or not the character entered is valid. If not, it asks you again


scanf("%c",&mode);


if (mode == 'u' || mode == 'U'){ //testing for User
	CharChecker=1;
	printf("\nOk, I'm thinking of a number\n"); //testing input

	NumToGuess = (rand() % 1000)+1;
	TotalGuesses = 0;
	found = 0;


	while(found==0){

		//printf("\nNumber was %d\n",NumToGuess); //troubleshooting

		printf("\nWhat is your guess?");
		scanf("%d",&guess);
		//printf("\nYour guess is %d\n",guess);//checking guess
		TotalGuesses++;
		if (guess == NumToGuess){
			found=1;
			printf("You win! You got it in %d guess(es). ", TotalGuesses);

			if (TotalGuesses >10){
				printf("You could do better.");
			}else {
				printf("You know the secret to a binary search!");}
			}
		else if (guess >=1000||guess <=0){
				printf("Out of Range");
			}
		else if (guess < NumToGuess){
				printf("Too low!");
			}
		else if (guess > NumToGuess){
				printf("\nToo high!");}
	}
}
else if (mode == 'c'|| mode == 'C'){ //testing for Computer
	CharChecker=1;
	TotalGuesses=0;
	printf("Okay, is your number 500? (H for too high,L for too low,Y for yes) ->");
	found=0;
	guess=500;
	top=1000;
	bottom=0;
	while(found==0 && TotalGuesses<=10){

		scanf("%c",&hly);
		if (hly == 'h'|| hly == 'H'){
			top=guess;
			guess = (((top-bottom)/2)+bottom);
			TotalGuesses++;
			printf("Okay, is your number %d? (H,L,Y) ->", guess);
		}else if (hly == 'l'|| hly == 'L'){
		bottom=guess;
			guess = (((top-bottom)/2)+bottom);
			TotalGuesses++;
			printf("Okay, is your number %d? (H,L,Y) ->", guess);
		}else if (hly == 'y'|| hly =='Y'){
			printf("dang, I'm good\n");
			found=1;
		}else if (hly == ' '|| hly == '\n'){
		}
		else {
			printf("\nInvalid input\n");
			printf("Type H for too high, L for too low or Y for yes\n");

		}
		if (TotalGuesses >10){
			printf("There is no other possibility!");
		}
	}

}
else if (mode == ' '|| mode == '\n'){
}
else {
	printf("\nInvalid input\n");
	printf("Type C for computer, U for you\n");

}}



if (found == 1){ //setting up for whether or not you want to play again
	//Using Repeat because it would repeat "Do you want to play again" line
printf ("\nDo you want to play again? (Y/N) \n");
scanf("%c",&QuitChecker);
scanf("%c",&QuitChecker); //had a bug apparently where it would repeat the "Do you want to
//play again" unless I put this scan line twice

	if ((QuitChecker == 'y'|| QuitChecker == 'Y')&& QuitChecker != '\n'){
		printf("Do you want to guess, or should I? (Type C for computer, U for you)\n");
		CharChecker=0;
		} //taking input
	else if (QuitChecker == 'n'|| QuitChecker =='N'){
	exit(0);} //makes the game close, exiting the loop
	else if (QuitChecker == ' '|| '\n'){}
	else{
		printf("\nInvalid input. Y or N");
		}

	}
}
return 0;
}