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

int getPlayerBet(int SEK)
{
	int bet;

	printf("\nYou have %d SEK. 1 for double/0 for nothing", SEK);
	scanf("%d", &bet);

	while (bet > 1 || bet < 0)
	{
		printf("You have %d SEK, You must enter a 1 for double or 0 for nothing:", SEK);
		scanf("%d", &bet);
	}

	if (bet == 1)
	{
		bet = SEK;
	}

	else
	{
		bet = 0;
	}

	return bet;
}

int getPlayerGuess()
{
	int guess;
	printf("\nWhat do you want to bet on? 0 for heads, 1 for tails:");
	scanf("%d", &guess);
	while (guess > 1 || guess < 0)
	{
		printf("you must enter either 0 for heads or 1 for tails:");
		scanf("%d", &guess);
	}
	return guess;
}

int tosscoin()
{
	int tal;
	tal = rand() % 2;
	printf("\n Tossing coin...... \n");
	return tal;
}

int main(void)
{
	srand((unsigned)time(0));
	int SEK = 100;
	int ammount;
	int headortail;
	int number;
	int halfbet;

	while (SEK > 0) {
		ammount = getPlayerBet(SEK);
		if (ammount == 0)
		{
			printf("You have chosen to close the program, you quit with %d SEK!", SEK);

			return 0;
		}
		headortail = getPlayerGuess();
		number = tosscoin();


		if (number < 1)
		{
			printf("It is heads!");
		}
		else
		{
			printf("It is tail");
		}

		if (headortail != number)
		{
			SEK = SEK - ammount;
			printf("\nSorry you lost %d SEK.", ammount);
		}
		else
		{
			halfbet = ammount / 2;
			SEK = SEK + ammount+halfbet;
			printf("\nCongratulations you won %d SEK\n", ammount+halfbet);
		}
	}

	printf("\nGame Over! You have no more money!");

	return 0;