/* 
clubbing.c 
for all the geek clubber out there who miss the lasers !
-dek
-antilove

TODO:
 - Add Synchronisation with the rythm

USAGE:
./a.out <number of dancer you want>

*/


#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <sysexits.h>

#define DELTA 100000
#define MIN_SLEEP 100000


int PARTY_PPL=5;


char *people[] = {"_o/", "_o_", "\\o_", "\\\\o",
                  "o//", "\\o/", "<o_", "_o>",
                  "(o/", "\\o)", "<o/", "\\o>",
                  "<o>", "(o)"};
                  
char *people_leg[] = {"/ \\","/ /","| \\","/ |" ,"\\ \\", "< \\", "< >", "/ >" };

char *laser[] = {"~~","^~","_-_-","++","~~~","-"};

char *color[] = {"\033[31m","\033[32m","\033[33m","\033[34m","\033[35m","\033[36m","\033[37m","\033[1m","\033[05m"};

/*

^^^^~~~~~^^^^~~~~~ <== laser
  \o/          
   |                 <== dancer 
  / |
  
*/

int
main(int argc, char **argv)
{
  unsigned int seed;
  int fd;
  int i;
  fd = open("/dev/urandom", O_RDONLY);
  if (fd != -1) {
    read(fd, &seed, sizeof(unsigned int));
    close(fd);
  }
  else {
    (void)printf("You may have already seen this dance before...\n");
    seed = 1234;
  }
  srand(seed);

   if(argc> 1)
   {
     PARTY_PPL = atoi (argv[1]);
   }
    
  printf ("HI! What's Your Name ? , Want To be High ?!, REACH FOR THE LASERS !!! , SAFE AS FUCK!!!!\n\n");  
  
  while (1) {
    for (fd = 0; fd < (PARTY_PPL*3); fd ++)    
    {
    (void)printf (color[rand() % (sizeof(color) / sizeof (char *))]);
    (void)printf("%s", laser[rand() % (sizeof(laser) / sizeof (char *))]);
    }   
    (void)printf("\033[0m\n");
    
    for (i=0;i < PARTY_PPL; i++)
    (void)printf("   %s ", people[rand() % (sizeof(people) / sizeof (char *))]);
    (void)printf("\n");
    
    for (i=0;i < PARTY_PPL; i++) 
    (void)printf("    |  ");
    (void)printf("\n");    
    for (i=0;i < PARTY_PPL; i++)
    (void)printf("   %s ", people_leg[rand() % (sizeof(people_leg) / sizeof (char *))]);
    (void)printf("\n");
    (void)fflush(stdout);
    (void)printf("\033[Am\033[Am\033[Am\033[Am\r");
    (void)usleep(MIN_SLEEP + rand() % DELTA);
  }
  return EX_OK;
}