<?php namespace App\Http\Controllers\Api;

use App\Http\Controllers\Api\Api;
use App\Http\Requests\Api\ShopCart as Request;
use App\Models\Business;
use App\Models\Product\Skus as ProductSkus;
use App\Models\PromoRebate;
use App\Models\ShopCart as Model;
use App\Models\PromoProduct as PromoProduct;
use App\Models\Custom as Custom;
use App\Models\WeiBan\Tags as WeiBanTags;

/**
 * 购物车接口
 * 
 * @author 刘相欣
 * 
 * */
class ShopCart extends Api{

	/**
	 * 添加	 /api/shop_cart/add
	 * 
	 * @param	int		$product_id		产品ID
	 * @param	int		$buy_num		添加数量
	 * 
	 * */
	public function add(Request $request,Model $Model){
		// 接口验签
		// $this->verify_sign();
        // 验证参数
		$request->scene('add')->validate();
		// 检查登录
		$uid						= $this->checkLogin();
		// 接收参数
		$data['product_id']			= request('product_id',0);
		$data['skuid']				= request('skuid',0);
		$data['buy_num']			= request('buy_num',1);
		$data['custom_uid']			= $uid;
		// 查询
		$id							= $Model->query()->where([['custom_uid','=',$uid],['product_id','=',$data['product_id']],['skuid','=',$data['skuid']]])->value('id');
		// 如果存在id，更新数量
		$result 					= $id ? $Model->incrBuyNum($id,$uid,$data['buy_num']) : $Model->add($data);
		// 提交结果
		if( !$result )				return json_send(['code'=>'success','msg'=>'加入购物车失败','data'=>['error'=>'加入购物车失败']]);
		// 返回结果
		return						json_send(['code'=>'success','msg'=>'添加成功','data'=>$data]);
	}


    /**
	 * 更新		 /api/shop_cart/edit
	 * 
	 * @param	int     $id		        购物车id
	 * 
	 * */
	public function edit(Request $request,Model $Model){
		// 接口验签
		// $this->verify_sign();
        // 验证参数
		$request->scene('edit')->validate();
		// 检查登录
		$uid						= $this->checkLogin();
		// 接收参数
		$id							= request('id',0);
		$data['buy_num']			= request('buy_num',1);
		// 如果存在id，更新数量
		$result 					= $Model->edit($id,$uid,$data);
		// 提交结果
		if( !$result )				return json_send(['code'=>'success','msg'=>'更新失败','data'=>['error'=>'更新购物车失败']]);
		// 返回结果
		return						json_send(['code'=>'success','msg'=>'更新成功','data'=>$data]);
	}

	/**
	 * 更新		 /api/shop_cart/del
	 * 
	 * @param	int     $id		        购物车id
	 * 
	 * */
	public function del(Request $request,Model $Model){
		// 接口验签
		// $this->verify_sign();
        // 验证参数
		$request->scene('del')->validate();
		// 检查登录
		$uid						= $this->checkLogin();
		// 接收参数
		$id							= request('id',0);
		// 如果存在id，更新数量
		$result 					= $Model->del($id,$uid);
		// 提交结果
		if( !$result )				return json_send(['code'=>'success','msg'=>'删除失败','data'=>['error'=>'删除购物车失败']]);
		// 返回结果
		return						json_send(['code'=>'success','msg'=>'删除成功','data'=>['id'=>$id]]);
	}


	/**
	 * 获取列表		 /api/shop_cart/get_list
	 * 
	 * @param	int     $id		        购物车id
	 * 
	 * */
	public function get_list(Request $request,Model $Model,ProductSkus $ProductSkus,Business $Business,PromoProduct $PromoProduct,Custom $Custom,WeiBanTags $WeiBanTags){
		// 接口验签
		// $this->verify_sign();
        // 验证参数
		$request->scene('get_list')->validate();
		// 检查登录
		$uid						= $this->checkLogin();
        // 获取客户信息
        $custom						= $uid ? $Custom->getOne($uid) : [];
		// 显示
		$map						= [['shop_cart.custom_uid','=',$uid]];
		// 查询
		$list						= $Model->query()
										->join('product','shop_cart.product_id','=','product.id')
										->where($map)
										->get([
											'shop_cart.id','shop_cart.checked','shop_cart.product_id','shop_cart.skuid','shop_cart.buy_num',
											'product.stock','product.business_id','product.spec','product.thumb','product.name','product.price','product.market_price','product.status as product_status'
										])
										->toArray();
		// 判断结果
		$skusList					= $ProductSkus->getListByIds(array_column($list,'skuid'));
        //查询产品活动
        $promoList					= $PromoProduct->getListByIds(array_column($list,'product_id'));
        // 查询用户标签
        $tags                       = empty($custom['weiban_extid']) ? [] : $WeiBanTags->getListByWeibanExtid($custom['weiban_extid']);
		// 用户所在城市
        $cityId                     = empty($custom['city_id']) ? 0 : $custom['city_id'];
		// 循环处理数据
		foreach ($list as $key => $value) {
			// 获取商业公司名称
			$value['business_name'] = $value['business_id'] ? (string) $Business->getOne($value['business_id'],'name') : '';
			// 如果有sku
			if( $value['skuid'] )	{
				// 是否存在
				$isExist			= false;
				// 循环SKU
				foreach ($skusList as $sku) {
					// 如果SKU存在的话
					if( $sku['sku_id'] == $value['skuid'] ) {
						$value['price']	= $sku['price'];
						$value['spec']	= $sku['sku_attr_names'];
						$value['stock']	= $sku['stock'];
						$isExist		= true;
					}
				}
				// 如果不存在，状态变动
				if( !$isExist )		$value['product_status'] = 4;
			}
			// 满减活动
            if ($promoList && $cityId){
                if (isset($promoList[$value['product_id']])){
                    $promoInfo          =   $promoList[$value['product_id']];
                    $promoTitle         =   "满". $promoInfo['std_pay']. "元";
                    if ($promoInfo['rebate_type'] == 1){
                        $promoTitle     .=  "减". $promoInfo['rebate']. "元";
                    }elseif ($promoInfo['rebate_type'] == 2){
                        $promoTitle     .=  "打". $promoInfo['rebate']. "折";
                    }elseif ($promoInfo['rebate_type'] == 3){
                        $rebate 	= (string) PromoRebate::query()->join('product','promo_rebate.product_id','=','product.id')->where([['promo_id','=',$promoInfo['id']]])->value('product.name');

                        $promoTitle     .=  "赠送". $rebate;
                    }
                    $promoInfoCity      =   [];
                    if ($promoInfo['city_ids']){
                        $promoInfoCity      =   explode(',',$promoInfo['city_ids']);
                    }
                    // 判断是不是可以参与
                    if (!$promoInfoCity || in_array($cityId,$promoInfoCity)){
                        if( $promoInfo['tag_scope']) {
                            // 解析数组
                            $promoInfo['tag_scope']	= explode(',',$promoInfo['tag_scope']);
                            // 标签范围限定时，默认不能参与
                            $allowJoin 					= 0;
                            // 判断标签是不是存在
                            if ($tags){
                                foreach ($tags as $v) 	{
                                    // 标签范围内，允许参加
                                    if( in_array($v['name'],$promoInfo['tag_scope']) )  $allowJoin = 1;
                                }
                                // 在范围
                                if( $allowJoin ) {
                                    $value['promo_title']     =   $promoTitle;
                                }
                            }
                        }else{
                            $value['promo_title']     =   $promoTitle;
                        }
                    }
                }

            }
			// 产品图路径
			$value['thumb']			= path_compat($value['thumb']);
			// 库存超出的时候
			if($value['buy_num'] > $value['stock'] ) $value['buy_num'] = $value['stock'];
			// 重组
			$list[$key]				= $value;
		}
		// 返回结果
		return						json_send(['code'=>'success','msg'=>'获取成功','data'=>$list]);
	}


	/**
	 * 结算列表		 	 /api/shop_cart/check_list
	 * 
	 * @param	int     $id		        购物车id
	 * 
	 * */
	public function check_list(Request $request,Model $Model,ProductSkus $ProductSkus,Business $Business,PromoProduct $PromoProduct,Custom $Custom,WeiBanTags $WeiBanTags){
		// 接口验签
		// $this->verify_sign();
        // 验证参数
		$request->scene('check_list')->validate();
		// 检查登录
		$uid						= $this->checkLogin();
        // 获取客户信息
        $custom						= $uid ? $Custom->getOne($uid) : [];
		// 接收参数
		$cartIds					= request('cart_ids','');
		// 转成数组
		$cartIds					= explode(',',$cartIds);
		// 循环处理
		foreach ($cartIds as $key => $value) {
			// 如果不是数值
			if( $value < 1 )		unset($cartIds[$key]);
		}
		// 如果不存在的话
		if( !$cartIds )				return json_send(['code'=>'error','msg'=>'请选择可用产品','data'=>['error'=>request('cart_ids','')]]);
		// 显示
		$map						= [['shop_cart.custom_uid','=',$uid],['product.status','=',0]];
		// 查询
		$list						= $Model->query()
									->join('product','shop_cart.product_id','=','product.id')
									->whereIn('shop_cart.id',$cartIds)->where($map)
									->get([
										'shop_cart.id','shop_cart.checked','shop_cart.product_id','shop_cart.skuid','shop_cart.buy_num',
										'product.stock','product.business_id','product.spec','product.thumb','product.name','product.price','product.market_price','product.status as product_status'
									])->toArray();
		// 判断结果
		$skusList					= $ProductSkus->getListByIds(array_column($list,'skuid'));
        //查询产品活动
        $promoList					= $PromoProduct->getListByIds(array_column($list,'product_id'));
        // 查询用户标签
        $tags                       = empty($custom['weiban_extid']) ? [] : $WeiBanTags->getListByWeibanExtid($custom['weiban_extid']);
		// 用户所在城市
        $cityId                     = empty($custom['city_id']) ? 0 : $custom['city_id'];
		// 满减活动
        $promoProductList           = [];
		// 循环处理数据
		foreach ($list as $key => $value) {
			// 获取商业公司名称
			$value['business_name'] = $value['business_id'] ? (string)$Business->getOne($value['business_id'],'name') : '';
			// 如果有sku
			if( $value['skuid'] )	{
				// 是否存在
				$isExist			= false;
				// 循环SKU
				foreach ($skusList as $sku) {
					// 如果SKU存在的话
					if( $sku['sku_id'] == $value['skuid'] ) {
						$value['price']	= $sku['price'];
						$value['spec']	= $sku['sku_attr_names'];
						$value['stock']	= $sku['stock'];
						$isExist		= true;
					}
				}
				// 如果不存在，状态变动
				if( !$isExist )		{
					unset($list[$key]);
					continue;
				}
			}
			// 如果不存在，状态变动
			if( $value['stock'] <= 0 )		{
				unset($list[$key]);
				continue;
			}
            if ($promoList && $cityId){
                if (isset($promoList[$value['product_id']])){
                    $promoInfo          =   $promoList[$value['product_id']];
                    $promoInfo['price']      =   $value['price'] * $value['buy_num'];
                    $promoTitle         =   "满". $promoInfo['std_pay']. "元";
                    if ($promoInfo['rebate_type'] == 1){
                        $promoTitle     .=  "减". $promoInfo['rebate']. "元";
                    }elseif ($promoInfo['rebate_type'] == 2){
                        $promoTitle     .=  "打". $promoInfo['rebate']. "折";
                    }elseif ($promoInfo['rebate_type'] == 3){
                        $rebate 	= (string) PromoRebate::query()->join('product','promo_rebate.product_id','=','product.id')->where([['promo_id','=',$promoInfo['id']]])->value('product.name');

                        $promoTitle     .=  "赠送". $rebate;
                    }
                    $promoInfoCity      =   [];
                    if ($promoInfo['city_ids']){
                        $promoInfoCity      =   explode(',',$promoInfo['city_ids']);
                    }
                    // 判断是不是可以参与
                    if (!$promoInfoCity || in_array($cityId,$promoInfoCity)){
                        if( $promoInfo['tag_scope']) {
                            // 解析数组
                            $promoInfo['tag_scope']	= explode(',',$promoInfo['tag_scope']);
                            // 标签范围限定时，默认不能参与
                            $allowJoin 					= 0;
                            // 判断标签是不是存在
                            if ($tags){
                                foreach ($tags as $v) 	{
                                    // 标签范围内，允许参加
                                    if( in_array($v['name'],$promoInfo['tag_scope']) )  $allowJoin = 1;
                                }
                                // 在范围
                                if( $allowJoin ) {
                                    $value['promo_title']     =   $promoTitle;
                                    $promoProductList[$promoInfo['id']][]    = $promoInfo;
                                }
                            }
                        }else{
                            $value['promo_title']     =   $promoTitle;
                            $promoProductList[$promoInfo['id']][]    = $promoInfo;
                        }
                    }
                }

            }
			// 产品图路径
			$value['thumb']			= path_compat($value['thumb']);
			// 库存超出的时候
			if($value['buy_num'] > $value['stock'] ) $value['buy_num'] = $value['stock'];
			// 重组
			$list[$key]				= $value;
		}
        $promoRebateIds           =   [];
        //满折扣
        $discount       =   0;
        //满减
        $reduction      =   0;
        //计算产品促销活动优惠价格
        if ($promoProductList){
            foreach ($promoProductList as $key => $value){
                $priceSum  =   array_sum(array_column($value,'price'));
                if ($priceSum >= $value[0]['std_pay']) {
                    switch ($value[0]['rebate_type']){
                        case 1:
                            $reduction   +=  $value[0]['rebate'];
                            break;
                        case 2:
                            $discount   +=  $priceSum - number_format($priceSum * $value[0]['rebate']/10,2);
                            break;
                        case 3:
                            $promoRebateIds[]     =  $key;
                    }
                }
            }
        }
        $promoRebateList    =   [];
        //如果有赠品
        if ($promoRebateIds){
            $promoRebateList    =   PromoRebate::query()
                ->join('product','promo_rebate.product_id','=','product.id')
                ->where('status','=',0)
                ->whereIn('promo_id',$promoRebateIds)
                ->select(['promo_rebate.id as promo_rebate_id','promo_rebate.rebate_num as buy_num','product.stock','product.spec','product.thumb','product.name','product.price','product.market_price','product.status as product_status'])
                ->get()
                ->toArray();
            if ($promoRebateList){
                foreach ($promoRebateList as &$value){
                    // 产品图路径
                    $value['thumb']			= path_compat($value['thumb']);
                    // 库存超出的时候
                    if($value['buy_num'] > $value['stock'] && $value['stock'] > 0) $value['buy_num'] = $value['stock'];
                }
            }
        }
        $discount = number_format($discount,2);
		// 重组数组
		$list						= array_values($list);
		// 返回结果
		return						json_send(['code'=>'success','msg'=>'获取成功','data'=>$list,'discount'=>$discount,'reduction'=>$reduction,'promoRebateList'=>$promoRebateList]);
	}

}