<?php

namespace Cas\Module;

use KIF\Core\Request;
use KIF\Page\Page;
use KIF\Verify;
use Cas\Dao\LotteryEvents;
use KIF\Core\Config;
use KIF\Image;
use Cas\Dao\LotteryPrize;
use KIF\Cache\Memcached;
use KIF\Dao\SqlHelper;

/**
 * 活动限制 
 *
 * @author lihuanchun
 */
class LotteryEventsLimitations {
	
	private $objMemcached;
	
	private $objDLotteryEvents;
	
	private $objDLotteryPrize;
	
	private $thisTime;
	
	public function __construct() {
		$this->objDLotteryEvents = new LotteryEvents();
		$this->objDLotteryPrize = new LotteryPrize();
		$this->thisTime = time();
		$this->objMemcached = new Memcached();
	}
	
	/**
	 * 记录用户 活动参与次数（天）
	 */
	public function setUserEventNum($uid,$event_id){
		$key = "lottery_{$uid}_{$event_id}_participation_user_num";
		$time = strtotime(date('Y-m-d',strtotime('+1 day')));
		$num  = $this->objMemcached -> get($key);
		if(is_null($num)){
			$this->objMemcached -> set($key,1,$time);
			return true;
		}
		$this->objMemcached -> increment($key, 1);
		return true;
	}
	
	
	/**
	 * 记录IP  活动参与次数（天）
	 */
	public function setIpEventNum($ip,$event_id){
		$key = "lottery_{$ip}_{$event_id}_participation_ip_num";
		$time = strtotime(date('Y-m-d',strtotime('+1 day')));
		$num  = $this->objMemcached -> get($key);
		if(is_null($num)){
			$this->objMemcached -> set($key,1,$time);
			return true;
		}
		$this->objMemcached -> increment($key, 1);
		return true;
	}
	
	/**
	 * 记录 用户获奖次数
	 */
	public function setUserWinningNum($uid,$event_id){
		$key = "lottery_{$uid}_{$event_id}_winning_user_num";
		$evetData = $this->objDLotteryEvents -> get($event_id);
		$num  = $this->objMemcached -> get($key);
		if(is_null($num)){
			$this->objMemcached -> set($key,1,$evetData['end_time']);
		}
		$this->objMemcached -> increment($key, 1);
		return true;
	}
	
	/**
	 * 记录 用户参与次数
	 */
	public function setUserParticipationNum($uid,$event_id){
		$key = "lottery_{$uid}_{$event_id}_participation_user_all_num";
		$evetData = $this->objDLotteryEvents -> get($event_id);
		$num  = $this->objMemcached -> get($key);
		if(is_null($num)){
			$this->objMemcached -> set($key,1,$evetData['end_time']);
		}
		$this->objMemcached -> increment($key, 1);
		return true;
	}
	
	/**
	 * 判断 活动是否能参与
	 * 1.验证IP 活动参与次数（天）
	 * 2.验证用户 活动参与次数（天）
	 * 3.验证用户获奖次数
	 * 4.验证用户参与次数
	 */
	public function ckEventRestrictions($uid,$ip,$event_id){
		$participation_user_num_key = "lottery_{$uid}_{$event_id}_participation_user_num";
		$participation_ip_num_key = "lottery_{$ip}_{$event_id}_participation_ip_num";
		$winning_user_num_Key = "lottery_{$uid}_{$event_id}_winning_user_num";
		$participation_user_all_num_Key = "lottery_{$uid}_{$event_id}_participation_user_all_num";
		
		$evetData = $this->objDLotteryEvents -> get($event_id);
		
		# 验证IP 活动参与次数（天）
		if($evetData['participation_user_num'] != 0){
			$num  = $this->objMemcached -> get($participation_user_num_key);
			if(!is_null($num) && $num >= $evetData['participation_user_num']){
				//exit('UID活动参与次数');
				return false;
			}
		}
		
		# 验证用户 活动参与次数（天）
		if($evetData['participation_ip_num'] != 0){
			$num  = $this->objMemcached -> get($participation_ip_num_key);
			if(!is_null($num) && $num >= $evetData['participation_ip_num']){
				//exit('IP参与限制');
				return false;
			}
		}
		
		# 验证用户获奖次数
		if($evetData['winning_user_num'] != 0){
			$num  = $this->objMemcached -> get($winning_user_num_Key);
			if(!is_null($num) && $num > $evetData['winning_user_num']){
				//exit('UID获奖次数限制');
				return false;
			}
		}
		
		
		# 验证用户参与次数
		if($evetData['participation_user_all_num'] != 0){
			$num  = $this->objMemcached -> get($participation_user_all_num_Key);
			if(!is_null($num) && $num > $evetData['participation_user_all_num']){
				//exit('验证用户参与次数');
				return false;
			}
		}
		
		return true;
	}
	
	
	
}