// Statistics.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include "string.h"
#define PITCHERS 20
#define NO        0
#define YES       1

//Globally Defined Variables, in a STRUCTURE
struct pitcher_stats{
	char Name[25];
	float ERA;
	int Wins;
	int Losses;
	int Appearances;
	int Saves;
	float InningsPitched;
	int Hits;
	int Runs;
	int Homeruns;
	int AtBats;
	float BattingAverage;
};

pitcher_stats Pitcher[25];  //Array of 25 "pitcher_status" Structures


int pitchers = 0;  //There are no pitchers until we read data from a file...

//Function Prototype Statements
int get_data_from_file(void);
void print_menu_screen(void);
void get_most_home_runs(int p);
void get_best_ERA(int p);
void get_best_WperIP_ratio(int p);



int _tmain(int argc, _TCHAR* argv[])
{

    int option, continue_key;
	char c, cc;
    int number_of_pitchers;

	//Get the Pitching Stat's from the data file
	number_of_pitchers = get_data_from_file();

	//Process the user's menu choices...
	do{   
	    print_menu_screen();
		scanf("%d", &option);
		switch(option){
			case 1: get_most_home_runs(number_of_pitchers);
					printf("Press <Enter> to continue:\n\n");
					c = getchar();
					while( ( c = getchar() ) != '\n')
						cc = c;
				    break;
			case 2: get_best_ERA(number_of_pitchers);
					printf("Press <Enter> to continue:\n\n");
					c = getchar();
					while( ( c = getchar() ) != '\n')
						cc = c;
				    break;
			case 3: get_best_WperIP_ratio(number_of_pitchers);
					printf("Press <Enter> to continue:\n\n");
					c = getchar();
					while( ( c = getchar() ) != '\n')
						cc = c;
				    break;

			case 0: break;
			default: break;
		}
	   } while (option != 0);
	return (0);
}


int get_data_from_file(void){
	FILE *fptr;
	int i = 1;

	//If the file isn't there, or has a bad format, don't read data from it
    if (( fptr = fopen("WCPitchingStats.txt", "r") ) == NULL)
        printf("Bad File or File Name\n\n");

	//...but if the file opens without errors, read the data from it until the End Of File (EOF)
	else
	{
		while(!feof(fptr))
		{
        fscanf(fptr, "%s%f%d%d%d%d%f%d%d%d%d%f", Pitcher[i].Name, &Pitcher[i].ERA, &Pitcher[i].Wins, &Pitcher[i].Losses,
			&Pitcher[i].Appearances, &Pitcher[i].Saves, &Pitcher[i].InningsPitched, &Pitcher[i].Hits, &Pitcher[i].Runs,
			&Pitcher[i].Homeruns, &Pitcher[i].AtBats, &Pitcher[i].BattingAverage);
		i++;
		}
	}
    fclose(fptr);
	return(i-2);
}


void print_menu_screen(void)
{
//This is the screen display for the menu.  Print it to the screen.
	int i;

    for(i=1; i<40; i++)
        printf("\n");

    printf("Menu of a lot of Statistics functions...\n\n");
    printf("Option    Action\n");
    printf("------    ------\n");
	printf("   1      What was the most homeruns \n");
	printf("   2      Get Best ERA \n");
	printf("   3      Get Best Wins per Innings ratio \n");
    printf("   0      End This Program \n\n\n");
    printf("Enter option 1 ... 2, or 0 to STOP\n\n");
    return;
}


void get_most_home_runs(int p)
{
	int i, maxhr=0, max_hr_pitcher;

    // Starting from assuming the Maximum number of Homeruns is 0,
	// check the homerun stats for each pitcher.  If he has one greater 
	// than the current maximum value, raise this maximum value to his
	// number of homeruns ... he's has the new maximum.
	for(i = 1; i< p; i++)
		if (Pitcher[i].Homeruns > maxhr)
		{
			maxhr = Pitcher[i].Homeruns;  //Update the Maximum
			max_hr_pitcher = i;           //Update the index of the maximum Homerun Pitcher
		}
		printf("\n\nThe Maximum Number of Home Runs was %d by %s\n\n", maxhr, Pitcher[max_hr_pitcher].Name);
	return;
}


void get_best_ERA(int p)
{
	int i, best_era_pitcher;
	float best_era = 99999.9;

    // Starting from assuming the Minimum ERA is 99999.9 (ie: very high),
	// check the ERA stats for each pitcher.  If he has an ERA less than 
	// than the current minimum value, lower this minimum value to his
	// ERA ... he's has the new minimum.
	for(i = 1; i< p; i++)
		if (Pitcher[i].ERA < best_era)
		{
			best_era = Pitcher[i].ERA;  //Update the minimum ERA
			best_era_pitcher = i;       //Update the index of the minimum ERA pitcher
		}
		printf("\n\nThe Best ERA was %f by %s\n\n", best_era, Pitcher[best_era_pitcher].Name);
	return;
}

void get_best_WperIP_ratio(int p)
{
	int i, best_WperIP_pitcher;
	float best_WperIP_ratio = 0.0;

    // Starting from assuming the Maximum number of Wins/Innings is 0,
	// check the Wins and Innings Pitched stats for each pitcher, and compute their ratio.  
	// If the current pitcher has one greater than the current maximum value,
	// raise this maximum value to his Wins/Innings ratio.
	for(i = 1; i< p; i++)
		if ((float)Pitcher[i].Wins/Pitcher[i].InningsPitched > best_WperIP_ratio)
		{
			best_WperIP_ratio = (float)Pitcher[i].Wins / Pitcher[i].InningsPitched; //Update the maximum W/Inn Ratio
			best_WperIP_pitcher = i;    //Update the index of the best Wins/Innings pitcher
		}
		printf("\n\nThe Best W/L ratio was %f by %s\n\n", best_WperIP_ratio, Pitcher[best_WperIP_pitcher].Name);
	return;
}