#include <stdio.h>
#include <string.h>
 
void addTeam(char[50], int);
void calculateResult(int, int, int, int);
 
char newTeam[50];
int menuChoice = 0;
int numOfTeams = 0;
int team1, team2, team1Score, team2Score;
 
typedef struct
{
	char name[50];
	int points, goalsFor, goalsAgainst, played, won, lost, drawn;
} team;
 
team teams[12];
 
void sortTable(team[]);
 
int main(void)
{
	int i;
    while (menuChoice != 4)
	{
		printf("Football League\n\n");
		printf("1. Add team\n");
		printf("2. Display league table\n");
		printf("3. Add result\n");
		printf("4. Quit\n");
		scanf("%d", &menuChoice);	
 
		if (menuChoice == 1)
		{
			if (numOfTeams == 11)
				printf("Error: Maximum amount of teams has been entered");
			else
			{
				printf("Add new team\n");
				fgets(newTeam, sizeof(newTeam), stdin);
				newTeam[strlen(newTeam)-1] = '\0';
				fgets(newTeam, sizeof(newTeam), stdin);
				newTeam[strlen(newTeam)-1] = '\0';
				addTeam(newTeam, numOfTeams);
				numOfTeams++;
				printf("\nNew team added\n");
			}
		}		
		else if (menuChoice == 2)
		{
			printf("\t\tP\tW\tD\tL\tF\tA\tT\n\n\n");
			for ( i = 0; i < 12; i++)
			{
				printf("%s\t\t%d\t%d\t%d\t%d\t%d\t%d\t%d\n", 
				teams[i].name, teams[i].played, teams[i].won,teams[i].drawn, 
				teams[i].lost, teams[i].goalsFor, teams[i].goalsAgainst, 
teams[i].points);
			}
		}
		else if (menuChoice == 3)
		{
			printf("Enter first team playing:\n");
			scanf("%d", &team1);
			printf("Enter second team playing:\n");
			scanf("%d", &team2);
			printf("Enter first teams score:\n");
			scanf("%d", &team1Score);
			printf("Enter second teams score:\n");
			scanf("%d", &team2Score);
			calculateResult(team1, team2, team1Score, team2Score);
		}
 
	}
return 0;
}
 
void addTeam(char *teamName, int i)
{
	strcpy(teams[i].name, teamName);
	teams[i].points = 0;
	teams[i].goalsFor = 0;
	teams[i].goalsAgainst = 0;
	teams[i].played = 0;
	teams[i].won = 0;
	teams[i].lost = 0;
	teams[i].drawn = 0;
}
 
void calculateResult(int t1, int t2, int t1R, int t2R)
{
	if (t1R > t2R)
	{
		teams[(t1-1)].points+=3;
		teams[(t1-1)].won++;
		teams[(t2-1)].lost++;	
	}
	else if (t2R > t1R)
	{
		teams[(t2-1)].points+=3;
		teams[(t2-1)].won++;
		teams[(t1-1)].lost++;
	}
	else
	{
		teams[(t2-1)].points++;
		teams[(t1-1)].points++;
		teams[(t1-1)].drawn++;
		teams[(t2-1)].drawn++;
	}
	teams[(t1-1)].goalsFor+=t1R;
	teams[(t2-1)].goalsFor+=t2R;
	teams[(t1-1)].goalsAgainst+=t2R;
	teams[(t2-1)].goalsAgainst+=t1R;
	teams[(t1-1)].played++;
	teams[(t2-1)].played++;
 
	sortTable(teams);
}
 
void sortTable(team teams1[])
{
	team temp[1];
	int i, j;
	for ( i = 0; i < 12; i++)
	{
		for ( j = 11; j >=0; j--)
		{
			if (teams1[j].points > teams1[(j-1)].points)
			{ 	
				temp[1] = teams1[(j-1)];
				teams1[(j-1)] = teams1[j];
				teams1[j] = temp[1];
			}	
		} 
	}
}