<?php
namespace common\services;
use common\components\dict;
use common\components\wxUtil;
use Yii;
use common\components\stringUtil;
use common\models\xhCoupon;

class xhCouponService {

	public static function getUserValidCoupon($userId,$consumePrice)
	{
		$coupon				= self::getUserCoupon($userId);
		if(!empty($coupon)){
			foreach($coupon as $key => $val){
				$meetAmount	= $val['meetAmount'];
				if($consumePrice < $meetAmount){//订单价格达到使用代金劵的金额要求
					unset($coupon[$key]);
				}
			}
		}
		return $coupon;
	}

	/**
	 * 获取用户的代金劵
	 */
	public static function getUserCoupon($userId)
	{
		$cacheKey				= dict::getCacheKey('userCoupon').$userId;
		$exists					= Yii::$app->redis->executeCommand('EXISTS', [$cacheKey]);
		if(empty($exists)){
			$coupon				= xhCoupon::getAllByCondition(['userId' => $userId,'status' => 0]);
			$string				= !empty($coupon) ? json_encode($coupon) : '';
			Yii::$app->redis->executeCommand('SET', [$cacheKey,$string]);
		}else{
			$cacheData				= Yii::$app->redis->executeCommand('GET', [$cacheKey]);
			$coupon					= !empty($cacheData) ? json_decode($cacheData,true) : [];
			if(!empty($coupon)){
				$now				= time();
				foreach($coupon as $key => $val){
					if($now > $val['deadline'] || $val['useStatus'] == 1){//代金劵已经过期
						$couponId	= $val['id'];
						$userId		= $val['userId'];
						self::delById($couponId,$userId);//删除已经过期的代金劵
						unset($coupon[$key]);
					}
				}
			}
		}
		return $coupon;
	}

	/**
	 * 刷新缓存的用户代金劵
	 */
	public static function refreshUserCoupon($userId)
	{
		$cacheKey		= dict::getCacheKey('userCoupon').$userId;
		Yii::$app->redis->executeCommand('DEL', [$cacheKey]);
		self::getUserCoupon($userId);
	}

	public static function add($data,$userId)
	{
		xhCoupon::add($data);
		self::refreshUserCoupon($userId);
	}

	public static function delById($id,$userId)
	{
		xhCoupon::deleteById($id);
		$cacheKey		= dict::getCacheKey('coupon').$id;
		Yii::$app->redis->executeCommand('DEL', [$cacheKey]);
		self::refreshUserCoupon($userId);
	}
	
	public static function getById($id)
	{
		$cacheKey		= dict::getCacheKey('coupon').$id;
		$coupon			= Yii::$app->redis->executeCommand('HGETALL', [$cacheKey]);
		if(!empty($coupon)){
			$arr		= [];
			$i			= 0;
			$x			= 0;
			foreach($coupon as $key => $val){
				$i++;
				if($i%2 == 0){
					$arr[$x]['value'] = $val;
					$x++;
				}else{
					$arr[$x]['key'] = $val;
				}
			}
			$couponArr	= [];
			foreach($arr as $key => $val){
				$couponArr[$val['key']] = $val['value'];
			}
			unset($couponArr['info_already_get_by_sql']);
			return $couponArr;
		}
		$coupon				= xhCoupon::find()->where(['id' => $id])->asArray()->one();
		$params				= [$cacheKey];
		$params[]			= 'info_already_get_by_sql';
		$params[]			= 'ok';//redis没有办法设置带空值的键，加此可以数据空时表示取过
		if(!empty($coupon)){
			foreach($coupon as $key => $val){
				$params[] = $key;
				$params[] = $val;
			}
		}
		Yii::$app->redis->executeCommand('HMSET',$params);//将xhGoods信息放入缓存
		return $coupon;
	}

	public static function updateById($id,$userId,$data)
	{
		xhCoupon::updateById($id, $data);
		$cacheKey			= dict::getCacheKey('coupon').$id;
		$couponParams		= [$cacheKey];
		foreach($data as $key => $val){
			$couponParams[] = $key;
			$couponParams[] = $val;
		}
		Yii::$app->redis->executeCommand('HMSET',$couponParams);//更新缓存信息
		self::refreshUserCoupon($userId);
	}

	//关注公众号时，判断商家是否开启新客注册送券，并且客户提供了手机号，是则送券 ssh 2020.5.5
	public static function focusGiveCoupon($userId,$merchant,$merchantExtend)
	{
		$giveCouponPrice			= $merchantExtend['giveCouponPrice'];//代金劵金额
		$couponMeetPrice			= $merchantExtend['couponMeetPrice'];//消费额
		$sjId					= $merchant['id'];
		$userInfo					= xhUserService::getById($userId);
		$duration					= $merchantExtend['couponValidity'];//有效期
		$amount						= $giveCouponPrice;
		$meetAmount					= $couponMeetPrice;
		$addData['beginTime']		= time();
		$addData['deadline']		= $addData['beginTime'] + $duration * 86400;
		$addData['amount']			= $amount;
		$addData['meetAmount']		= $meetAmount;
		$addData['createTime']		= date("Y-m-d H:i:s");
		$addData['sjId']		= $sjId;
		$addData['userId']			= $userId;
		$addData['number']			= 'CO'.stringUtil::buildOrderNo($userId);//代金劵编号
		xhCouponService::add($addData,$userId);		
		/*
		$allTM						= xhTMessageService::getList($sjId);
		$shortTempId				= 'OPENTM207112032';//收入提醒
		$tempId						= $allTM[$shortTempId];
		$openId						= $userInfo['openId'];
		$data = ["touser" => $openId,"template_id" => $tempId,
		"url" => Yii::$app->params['frontUrl'].'/center/coupon?account='.$merchant['id'],
		"data" => [
		"first"		=> ["value" => "送您一张代金劵。","color" => "#173177"],
		"keyword1"	=> ["value" => '代金劵',"color" => "#173177"],
		"keyword2"	=> ["value" => $amount.'元',"color" => "#173177"],
		"keyword3"	=> ["value" => date("Y-m-d H:i"),"color" => "#173177"],
		"remark"	=> ["value" => "点击查看详情","color" => "#173177"]]];
		wxUtil::sendTaskInform($data,$merchant);
		*/
	}

}