/* Program to determine seed score */

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

int main (void) {
	int PlayerOneScore, PlayerTwoScore, RoundsPlayed, PlayerOneWins, PlayerTwoWins, MaxWins;
	bool Proceed;

	PlayerOneScore = PlayerTwoScore = 128;

	for (Proceed = false; Proceed == false;) {
		printf("Enter the number of rounds played: ");
		scanf("%i", &RoundsPlayed);
		if (RoundsPlayed < 3)
			printf("Rounds played must be three or more.\n\n");
		else if (RoundsPlayed % 2 == 0)
			printf("Rounds played cannot be even.\n\n");
		else
			Proceed = true;
	}

	if (RoundsPlayed == 3)
		MaxWins = 2;
	else
		MaxWins = 2 + (RoundsPlayed / 3);

	printf("Player 1's score is %i\n", PlayerOneScore);
	printf("Player 2's score is %i\n", PlayerTwoScore);

	for (Proceed = false; Proceed == false;) {
		printf("Best of %i rounds.\n", RoundsPlayed);
		printf ("Max wins = %i.\n", MaxWins);
		printf("Enter how many wins Player 1 has: ");
		scanf("%i", &PlayerOneWins);
		getchar();
		printf("Enter how many wins Player 2 has: ");
		scanf("%i", &PlayerTwoWins);
		getchar();
		if (PlayerOneWins < 0 || PlayerTwoWins < 0) {
			printf("Neither score can be less than zero. Please re-enter the score.\n\n");
		}
		else if ((PlayerOneWins + PlayerTwoWins) > RoundsPlayed) {
			printf("The sum of both scores is greater than the number of rounds played. Please re-enter the score.\n\n");
		}
		else if (PlayerOneWins > MaxWins || PlayerTwoWins > MaxWins) {
			printf("Neither score are greater than the maximum wins allowed in the match. Please re-enter the score.\n\n");
		}
		else if (PlayerOneWins == 0) {
			PlayerOneScore -= PlayerTwoWins;
			PlayerTwoScore += PlayerTwoWins;
			Proceed = true;
		}
		else if (PlayerTwoWins == 0) {
			PlayerOneScore += PlayerOneWins;
			PlayerTwoScore -= PlayerOneWins;
			Proceed = true;
		}
		else if (PlayerOneWins > PlayerTwoWins) {
			PlayerOneScore += (PlayerOneWins - PlayerTwoWins);
			PlayerTwoScore -= (PlayerOneWins - PlayerTwoWins);
			Proceed = true;
		}
		else {
			PlayerOneScore -= (PlayerTwoWins - PlayerOneWins);
			PlayerTwoScore += (PlayerTwoWins - PlayerOneWins);
			Proceed = true;
		}
	}

	printf("Player 1's score is %i\n", PlayerOneScore);
	printf("Player 2's score is %i\n", PlayerTwoScore);

	return 0;
}