#include <stdio.h>
#include <stdbool.h>

inline void printMoneyFormat(float);
inline int getRandomValue(int, int);

float gameHighLow(float);

inline float getPlayerBet(float);
inline char getRangeHL();
inline bool getResultHL(float, int);

int main ()
{
	float playerMoney;

	bool isExit = false;

    srand(time(0));

    int wybor;

    printf("How much money do you have: ");

    scanf("%f", &playerMoney);
	fflush(stdin);

   	clearScreen();

	do
	{
		printf("Remaining money: ");
		printMoneyFormat(playerMoney);

		printf("Menu: \n 1) H/L \n 2) Exit \n");

		scanf("%d", &wybor);
		fflush(stdin);

		switch(wybor)
		{
			case 1:
				playerMoney = playerMoney + gameHighLow(playerMoney);
				break;

			case 2:
				isExit = true;
				break;

			default:
				printf("Error, check input. \n");
		}

	}while(!isExit);

	printf("Exit. \n");

    return 0;
}

void printMoneyFormat(float money)
{
	printf("%.2f PLN \n", money);
}

void clearScreen()
{
	system("cls");
}

int getRandomValue(int low, int high)
{
	return (rand() % high) + low;
}

float gameHighLow(float playerMoney)
{
	clearScreen();

	int rollValue;
	float playerBet;
	char playerRangePick;

	float winnings = 0.0;

	playerBet = getPlayerBet(playerMoney);
	playerRangePick = getRangeHL();

	clearScreen();

	printf("Bet value: ");
	printMoneyFormat(playerBet);
	printf("Chosen range: %c \n \n", playerRangePick);

    rollValue = getRandomValue(1, 6);

    printf("Roll value: %d \n \n", rollValue);

    if(getResultHL(playerRangePick, rollValue) == true)
	{
		winnings = playerBet * 0.8;
	}
	else
	{
		winnings = -playerBet;
	}

    return winnings;
}


float getPlayerBet(float playerMoney)
{
	float playerBet;
	do
	{
		printf("How much do you want to bet: ");

		scanf("%f", &playerBet);
		fflush(stdin);

		clearScreen();

		if(playerBet > playerMoney)
		{
			printf("Error, not enough money! \n");
		}

	}while(playerBet > playerMoney);

	return playerBet;
}

char getRangeHL()
{
	char playerRangePick;

	do
	{
		printf("Choose range [H/L] : ");

    	scanf("%c", &playerRangePick);
    	fflush(stdin);

    	if(playerRangePick != 'h' && playerRangePick != 'l')
		{
			printf("Error, input outside the range! \n");
		}

	}while(playerRangePick != 'h' && playerRangePick != 'l');

	return playerRangePick;
}

bool getResultHL(float playerRangePick, int rollValue)
{
	if (playerRangePick == 'h')
    {
        if(rollValue > 3)
        {
			return true;
        }
        else
		{
			return false;
		}
    }
    else
	{
		if(rollValue <= 3)
        {
			return true;
        }
        else
		{
			return false;
		}

	}

	return false;
}