/*------------------------------------------------------------------------------
 * problem003.c: Visualize the playcalling
**----------------------------------------------------------------------------*/

/* Copyright (c) 2009 Peter Bui. All Rights Reserved.
 *
 * Peter Bui <pbui@cse.nd.edu>
 *
**------------------------------------------------------------------------------
 * Includes
**----------------------------------------------------------------------------*/

#define _ISOC99_SOURCE

#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

/*------------------------------------------------------------------------------
 * Constants
**----------------------------------------------------------------------------*/

#define NPLAYTYPES  2
#define	NDIRECTIONS 3
#define NYARDAGES   10

const char *PLAYTYPES[NPLAYTYPES]   = { "Run", "Pass" };
const char *DIRECTIONS[NDIRECTIONS] = { "Left", "Middle", "Right" };
const char *YARDAGES[NYARDAGES]	    = { 
    "00 - 09", "10 - 19", "20 - 29", "30 - 39", "40 - 49",
    "50 - 59", "60 - 69", "70 - 79", "80 - 89", "90 - 99" };

#define BUFFER_SIZE 8
#define BAR_WIDTH   60.0

/*------------------------------------------------------------------------------
 * Functions
**----------------------------------------------------------------------------*/

int 
get_string_index(const char *s, const char **sv, int ns)
{
    int i;

    for (i = 0; i < ns; i++)
	if (strcmp(s, sv[i]) == 0)
	    return i;

    return -1;
}

/*----------------------------------------------------------------------------*/

#define get_playtype(s)	    get_string_index((s), PLAYTYPES, NPLAYTYPES)
#define get_directions(s)   get_string_index((s), DIRECTIONS, NDIRECTIONS)
#define chomp(s)	    (s)[strlen(s) - 1] = 0;

/*----------------------------------------------------------------------------*/

void
print_histogram(const char *title, const char *fields[], int *values, int nfields, int nplays)
{
    int i, x;

    printf("%s:\n", title);
    for (i = 0; i < nfields; i++) {
	printf("    %-8s|", fields[i]);
	for (x = 0; x < (int)round(values[i]*BAR_WIDTH/nplays); x++)
	    putchar('x');
	for (; x < BAR_WIDTH; x++)
	    putchar(' ');
	puts("|");
    }
}

/*------------------------------------------------------------------------------
 * Main Execution
**----------------------------------------------------------------------------*/

int
main(int argc, char* argv[]) 
{
    int	    playtypes[NPLAYTYPES];
    int	    directions[NDIRECTIONS];
    int	    yardages[NYARDAGES];
    int	    nplays;

    char    playtype[BUFFER_SIZE];
    char    direction[BUFFER_SIZE];
    double  yardage;

    memset(playtypes,  0, sizeof(int)*NPLAYTYPES);
    memset(directions, 0, sizeof(int)*NDIRECTIONS);
    memset(yardages,   0, sizeof(int)*NYARDAGES);
    nplays = 0;

    while (scanf("%s %s %lf", (char*)&playtype, direction, &yardage) == 3) {
	chomp(playtype);
	chomp(direction);

	playtypes[get_playtype(playtype)]++;
	directions[get_directions(direction)]++;

	if (yardage < 0.0) yardage = 0;
	yardages[(int)floor(yardage) / 10]++;
	nplays++;
    }

    print_histogram("Play Type", PLAYTYPES, playtypes, NPLAYTYPES, nplays);
    putchar('\n');
    print_histogram("Direction", DIRECTIONS, directions, NDIRECTIONS, nplays);
    putchar('\n');
    print_histogram("Yardage", YARDAGES, yardages, NYARDAGES, nplays);

    return (EXIT_SUCCESS);
}

/*------------------------------------------------------------------------------
 * vim: sts=4 sw=4 ts=8 ft=c
**----------------------------------------------------------------------------*/