<?php

namespace app\models;

use Yii;
use app\models\integral\mall\IntegralMallGoods;

/**
 * This is the model class for table "{{%goods}}".
 *
 * @property int $id ID
 * @property int $cx_mch_id 平台商户ID
 * @property int $goods_hub_id 商品库ID
 * @property int $status 上架状态：0=下架，1=上架
 * @property float $price 售价
 * @property int $use_attr 是否使用规格：0=不使用，1=使用
 * @property string $attr_groups 商品规格组
 * @property int $goods_stock 商品库存
 * @property int $virtual_sales 已出售量
 * @property int $confine_count 购物数量限制，0=不限制
 * @property int $freight_id 运费模板ID
 * @property string|null $plugin_sign 商品标示用于区分商品属于什么模块
 * @property int $sort 排序
 * @property int $created_at 添加时间
 * @property int $updated_at 更新时间
 * @property int $deleted_at 删除时间
 * @property int $is_delete 是否删除，0=否，1=是
 * @property int $payment_people 支付人数
 * @property int $payment_num 支付件数
 * @property float $payment_amount 支付金额
 * @property int $payment_order 支付订单数
 * @property int $sales 商品实际销量
 * @property int $viewed_count 详情浏览量统计
 * @property string $yopoint_barcode 有朋商品唯一id
 */
class Goods extends \yii\db\ActiveRecord
{
    const STATUS_ONLINE = 1;
    const STATUS_OFFLINE = 0;

    const STOCK_INCREASE = 1; //库存增加
    const STOCK_DECREASE = 2; //库存减少

    public $goods_no; //商品货号


    /**
     * {@inheritdoc}
     */
    public static function tableName()
    {
        return '{{%goods}}';
    }

    /**
     * {@inheritdoc}
     */
    public function rules()
    {
        return [
            [['attr_groups', 'plugin_sign'], 'trim'],
            [['cx_mch_id', 'goods_hub_id', 'status', 'use_attr', 'goods_stock', 'virtual_sales', 'confine_count', 'freight_id', 'sort', 'created_at', 'updated_at', 'deleted_at', 'is_delete', 'payment_people', 'payment_num', 'payment_order', 'sales', 'viewed_count'], 'integer'],
            [['goods_hub_id', 'attr_groups'], 'required'],
            [['payment_amount'], 'number'],
            [['attr_groups', 'price'], 'string'],
            [['plugin_sign'], 'string', 'max' => 255],
        ];
    }

    /**
     * {@inheritdoc}
     */
    public function attributeLabels()
    {
        return [
            'id' => 'ID',
            'cx_mch_id' => '平台商户ID',
            'goods_hub_id' => '商品库ID',
            'status' => '上架状态：0=下架，1=上架',
            'price' => '售价',
            'use_attr' => '是否使用规格：0=不使用，1=使用',
            'attr_groups' => '商品规格组',
            'goods_stock' => '商品库存',
            'virtual_sales' => '已出售量',
            'confine_count' => '购物数量限制，0=不限制',
            'freight_id' => '运费模板ID',
            'plugin_sign' => '商品标示用于区分商品属于什么模块',
            'sort' => '排序',
            'created_at' => '添加时间',
            'updated_at' => '更新时间',
            'deleted_at' => '删除时间',
            'is_delete' => '是否删除，0=否，1=是',
            'payment_people' => '支付人数',
            'payment_num' => '支付件数',
            'payment_amount' => '支付金额',
            'payment_order' => '支付订单数',
            'sales' => '商品实际销量',
            'viewed_count' => '详情浏览量统计',
        ];
    }


    public function beforeSave($insert)
    {
        if (parent::beforeSave($insert)) {
            if ($this->isNewRecord) {
                $this->created_at = time();
            }
            $this->updated_at = time();
            if ($this->is_delete == 1)
                $this->deleted_at = time();
            return true;
        } else {
            return false;
        }
    }

    //获取仓库商品
    public function getGoodsHub()
    {
        return $this->hasOne(GoodsHub::className(), ['id' => 'goods_hub_id'])->where(['is_delete' => 0]);
    }

    public function getGoodsCat()
    {
        return $this->hasOne(GoodsCat::className(), ['goods_hub_id' => 'goods_hub_id'])->where(['is_delete' => 0]);
    }

    //获取积分商品
    public function getIntegralMallGoods()
    {
        return $this->hasOne(IntegralMallGoods::className(), ['goods_id' => 'id'])->where(['is_delete' => 0]);
    }

    //浏览事件
    public static function handleViewEvent($goods_id, $cx_mch_id = 0)
    {
        $goods = Goods::findOne(['id' => $goods_id, 'is_delete' => 0, 'cx_mch_id' => $cx_mch_id]);
        if ($goods == null) {
            return Model::asReturnError('商品不存在');
        }
        $goods->viewed_count += 1;
        if (!$goods->save()) {
            return (new Model())->getModelError($goods);
        }
        return Model::asReturnSuccess();
    }

    /**
     * 库存增减
     * @param integer $goods_id 商品ID
     * @param integer $goods_attr_id 商品规格ID
     * @param integer $num 数量
     * @param integer $type 类型，1=增加，2=减少
     */
    public static function handleStock($goods_id, $goods_attr_id, $num, $type = 1, $cx_mch_id = 0)
    {
        $goods = Goods::findOne(['id' => $goods_id, 'is_delete' => 0, 'cx_mch_id' => $cx_mch_id]);
        if ($goods == null) {
            return Model::asReturnError('商品不存在');
        }
        $goods_attr = GoodsAttr::findOne(['goods_id' => $goods_id, 'id' => $goods_attr_id, 'is_delete' => 0, 'cx_mch_id' => $cx_mch_id]);
        if ($goods_attr == null) {
            return Model::asReturnError('商品规格不存在');
        }
        $goods_attr->stock += $type == 1 ? $num : $num * -1;
        if (!$goods_attr->save()) {
            return (new Model())->getModelError($goods_attr);
        }
        $goods_stock = GoodsAttr::find()
            ->where([
                'goods_id' => $goods_id,
                'is_delete' => 0,
                'cx_mch_id' => $cx_mch_id
            ])
            ->sum('stock');
        $goods->goods_stock = $goods_stock;
        if (!$goods->save()) {
            return (new Model())->getModelError($goods);
        }
        return Model::asReturnSuccess();
    }


    //处理订单付款后
    public static function handleOrderPayAfter($order_id, $cx_mch_id = 0)
    {
        $order = Order::findOne(['id' => $order_id, 'is_delete' => 0, 'is_pay' => 1, 'cancel_status' => 0, 'cx_mch_id' => $cx_mch_id]);
        if ($order == null) {
            return Model::asReturnError('订单不存在');
        }
        //订单详情
        $order_details = OrderDetail::find()
            ->where([
                'order_id' => $order_id,
                'is_delete' => 0,
                'cx_mch_id' => $cx_mch_id,
                'is_refund' => 0
            ])
            ->select('goods_id,num,unit_price,total_original_price,total_price,goods_attr_info')
            ->asArray()->all();
        $payment_people = 1;
        $payment_order = 1;
        $details = [];
        foreach ($order_details as $order_detail) {
            $goods_id = $order_detail['goods_id'];
            if (!isset($details[$goods_id])) {
                $details[$goods_id] = [
                    'goods_id' => $goods_id,
                    'payment_num' => $order_detail['num'],
                    'sales' => $order_detail['num'],
                    'payment_amount' => $order_detail['total_price']
                ];
            } else {
                $details[$goods_id]['payment_num'] += $order_detail['num'];
                $details[$goods_id]['sales'] += $order_detail['num'];
                $details[$goods_id]['payment_amount'] += $order_detail['total_price'];
            }
        }
        foreach ($details as $detail) {
            $goods = Goods::findOne(['id' => $detail['goods_id'], 'is_delete' => 0, 'cx_mch_id' => $cx_mch_id]);
            if ($goods == null)
                continue;
            $goods->payment_amount += $detail['payment_amount'];
            $goods->payment_num += $detail['payment_num'];
            $goods->sales += $detail['sales'];
            $goods->payment_order += $payment_order;
            $goods->payment_people += $payment_people;
            if (!$goods->save()) {
                return (new Model())->getModelError($goods);
            }
        }
        return Model::asReturnSuccess();
    }

    //处理订单退款后
    public static function handleOrderRefundAfter($order_id, $cx_mch_id = 0)
    {
        $order = Order::findOne(['id' => $order_id, 'is_delete' => 0, 'is_pay' => 1, 'cancel_status' => [0, 1], 'cx_mch_id' => $cx_mch_id]);
        if ($order == null) {
            return Model::asReturnError('订单不存在');
        }
        //订单详情
        $order_details = OrderDetail::find()
            ->where([
                'order_id' => $order_id,
                'is_delete' => 0,
                'cx_mch_id' => $cx_mch_id,
                'is_refund' => 1
            ])
            ->select('goods_id,num,unit_price,total_original_price,total_price,goods_attr_info')
            ->asArray()->all();
        $payment_people = 1;
        $payment_order = 1;
        $details = [];
        foreach ($order_details as $order_detail) {
            $goods_id = $order_detail['goods_id'];
            if (!isset($details[$goods_id])) {
                $details[$goods_id] = [
                    'goods_id' => $goods_id,
                    'payment_num' => 0,
                    'sales' => 0,
                    'payment_amount' => 0
                ];
            } else {
                $details[$goods_id]['payment_num'] += $order_detail['num'];
                $details[$goods_id]['sales'] += $order_detail['num'];
                $details[$goods_id]['payment_amount'] += $order_detail['total_price'];
            }
        }
        foreach ($details as $detail) {
            $goods = Goods::findOne(['id' => $detail['goods_id'], 'is_delete' => 0, 'cx_mch_id' => $cx_mch_id]);
            if ($goods == null)
                continue;
            $goods->payment_amount -= $detail['payment_amount'];
            $goods->payment_num -= $detail['payment_num'];
            $goods->sales -= $detail['sales'];
            $goods->payment_order -= $payment_order;
            $goods->payment_people -= $payment_people;
            if (!$goods->save()) {
                return (new Model())->getModelError($goods);
            }
        }
        return Model::asReturnSuccess();
    }


    //获取商品规格信息
    public static function getGoodsAttrInfoListBySignId($sign_id, $attr_groups)
    {
        if (empty($attr_groups))
            return [];
        $attr_info_list = [];
        $sign_ids = explode(':', $sign_id);
        foreach ($sign_ids as $attr_id) {
            $attr_info = self::getGoodsAttrInfoByAttrId($attr_id, $attr_groups);
            if (!empty($attr_info)) {
                $attr_info_list[] = $attr_info;
            }
        }
        return $attr_info_list;
    }

    public static function getGoodsAttrInfoByAttrId($attr_id, $attr_groups)
    {
        $attr_info = [];
        foreach ($attr_groups as $i => $attr_group) {
            foreach ($attr_group['attr_list'] as $j => $attr) {
                if ($attr['attr_id'] == $attr_id) {
                    $attr_info['attr_group_id'] = $attr_group['attr_group_id'];
                    $attr_info['attr_group_name'] = $attr_group['attr_group_name'];
                    $attr_info['attr_id'] = $attr['attr_id'];
                    $attr_info['attr_name'] = $attr['attr_name'];
                    return $attr_info;
                }
            }
        }
        return $attr_info;
    }

    public static function getGoodsAttrInfoToString($sign_id, $attr_groups, $delimiter, $default = "默认")
    {
        $attr_info_list = self::getGoodsAttrInfoListBySignId($sign_id, $attr_groups);
        if (empty($attr_info_list))
            return $default;
        return implode($delimiter, array_column($attr_info_list, 'attr_name'));
    }

}