#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include "lcd_clock.h"

int main(int argc, char **argv){

  if(argc < 2){                 /* Set TIME_OF_DAY_SEC to the actual time */
    time_t rawtime;             /* Get raw time */
    time( &rawtime );
    struct tm *info;              /* Store broken down time */
    info = localtime( &rawtime ); /* Get a broken down time */

    /* Calculate the seconds since the beginning of the day */
    TIME_OF_DAY_SEC = info->tm_sec + 60*info->tm_min + 60*60*info->tm_hour;
  }
  else{                         /* Set time based on argument given */
    TIME_OF_DAY_SEC = atoi(argv[1]);
  }
  printf("TIME_OF_DAY_SEC set to: %d\n", TIME_OF_DAY_SEC);

  int time_max = 24 * 60 * 60;
  if(TIME_OF_DAY_SEC >= time_max){
    printf("Time %d exceeds max %d\n",TIME_OF_DAY_SEC,time_max);
    return -1;
  }

  tod_t tod = time_breakdown(TIME_OF_DAY_SEC);

  printf("tod = time_breakdown( %5d );\n",TIME_OF_DAY_SEC);

  printf("tod is {       \n"); 
  printf("  .hours   = %d\n",tod.hours);
  printf("  .minutes = %d\n",tod.minutes);
  printf("  .seconds = %d\n",tod.seconds);
  printf("  .ispm    = %d\n",tod.ispm);
  printf("}              \n");
  printf("Simulated time is: %02d : %02d : %02d %s\n",
         tod.hours,tod.minutes,tod.seconds,(tod.ispm ? "pm" : "am"));

  printf("\nChecking results for display bits\n");

  int state = display_bits_from_tod(tod);
  printf("state = display_bits_from_tod(tod);\n");

  printf("\nstate is:\n");
  printf("        3         2         1         0\n");
  printf("index: 10987654321098765432109876543210\n");
  printf("bits:  "); showbits(state); printf("\n");
  printf("guide:    |      |      |      |      |\n");

  printf("\nRunning lcd_update()\n");

  lcd_update();

  printf("\nLCD_DISPLAY_PORT is:\n");
  printf("        3         2         1         0\n");
  printf("index: 10987654321098765432109876543210\n");
  printf("bits:  "); showbits(LCD_DISPLAY_PORT); printf("\n");
  printf("guide:    |      |      |      |      |\n");



  printf("\nLCD Clock Display:\n");
  print_lcd_clock();

  return 0;
}