/*
 *  crzy.c - Print text in crazy colors from stdin
 *
 *  Author: Ryan R. Uber <ryan@blankbmx.com>
 *  Date:   31 Oct 2010 04:28:47PM CDT
 *
 */

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

/*  Print a string in crazy colors. */
int main( int argc, char *argv[] )
{
    int c, offset, palette;
    offset = 0;

    char *colors[5][2] = {
            { "0;34", "0;36" },  /* Water, Default */
            { "0;31", "0;32" },  /* Christmas palette */
            { "0;31", "1;30" },  /* Halloween palette */
            { "0;32", "1;32" },  /* Forest palette */
            { "0;35", "1;35" }   /* Girly palette */
    };

    if ( argc == 1 || strcmp(argv[1], "water") == 0 )
        palette = 0;
    else if ( strcmp(argv[1], "christmas") == 0 )
        palette = 1;
    else if ( strcmp(argv[1], "halloween") == 0 )
        palette = 2;
    else if ( strcmp(argv[1], "forest") == 0 )
        palette = 3;
    else if ( strcmp(argv[1], "girly") == 0 )
        palette = 4;
    else
        help();

    /* Main loop -- Colorize each character of text */
    while ((c = getchar()) != EOF)
    {
        /* Alternate color escapes */
        ++offset;
        if (offset == sizeof(colors[palette])/4)
            offset = 0;

        /* Print character */
        printf("\e[%sm%c\e[0m", colors[palette][offset], c);
    }
}

int help ( void )
{
    char s;
    printf("\ncrzy - A less-than-helpful text colorizer\n\nUsage:\n");
    printf("%cecho \"Some Text Here\" | crzy [palette]\n\nPalettes:\n");
    printf("    water [default]\n    christmas\n    halloween\n");
    printf("    forest\n\n");
    exit(1);
}

/* EOF */