<?php

if(!defined('APP_KEY')) { exit('Access Denied'); }

/**
 * Suco_Helper_Countdown 倒计时
 *
 * @version    3.0 2009/09/01
 * @author    Eric Yu (blueflu@live.cn)
 * @copyright  Copyright (c) 2009, Suconet, Inc.
 * @package    Helper
 * @license    http://www.suconet.com/license
 * -----------------------------------------------------------
 */

class Helper_Countdown implements Suco_Helper_Interface
{
  public static function callback($args)
  {
    return self::countdown($args[0], $args[1], $args[2]);
  }

  public static function countdown($endTime, $now = 0, $full = 0)
  {
    $string = null;
    if (!$now) {
      $now = time();
    }
    $s = $endTime - $now;
    if ($s >= 60) {
      $i = $s / 60;
      $s = $s % 60;
      if ($i >= 60) {
        $h = $i / 60;
        $i = $i % 60;
        if ($h >= 24) {
          $d = $h / 24;
          $h = $h % 24;
          if ($d >= 30) {
            $m = $d / 30;
            $d = $d % 30;
            if ($m >= 12) {
              $y = $m / 12;
              $m = $m % 12;
            }
          }
        }
      }
    }

    $return = array();
    if (isset($y) && $y > 0) {
      $return[] = intval($y) . ' 年' . ($y > 1 ? '' : null);
    }
    if (isset($m) && $m > 0) {
      $return[] = intval($m) . ' 月' . ($m > 1 ? '' : null);
    }
    if (isset($d) && $d > 0) {
      $return[] = intval($d) . ' 天' . ($d > 1 ? '' : null);
    }
    if (isset($h) && $h > 0) {
      $return[] = intval($h) . ' 小时' . ($h > 1 ? '' : null);
    }
    if (isset($i) && $i > 0) {
      $return[] = intval($i) . ' 分钟' . ($i > 1 ? '' : null);
    }
    if (isset($s) && $s > 0) {
      $return[] = intval($s) . ' 秒' . ($s > 1 ? '' : null);
    }

    if ($return) {
      if ($full) {
        return implode(' ', $return);
      } else {
        return $return[0] . ' ' . @$return[1];
      }
    } else {
      return '已过期';
    }
  }
}