<?php

namespace common\models\goods;

use common\enums\StatusEnum;
use addons\ScoreMall\common\models\ScoreMallGoodsAttr;
use common\models\common\Addons;
use Exception;
use Yii;


/**
 * This is the model class for table "{{%goods_attr}}".
 *
 * @property int $id
 * @property int $goods_id 商品ID
 * @property string $name 规格名称
 * @property string $sign_id 规格ID标识
 * @property int $stock 库存
 * @property float $price 价格
 * @property float $original_price 原价
 * @property float $cost_price 成本价
 * @property string $goods_no 货号
 * @property int $weight 重量（克）
 * @property string $pic_url 规格图片
 * @property int $version 版本
 * @property int $sort 排序
 * @property int $created_at 创建时间
 * @property int $updated_at 修改时间
 * @property int $is_show 是否显示[0隐藏; 1显示]
 */
class GoodsAttr extends \common\models\base\BaseActiveRecord
{
    /** 
     * {@inheritdoc}
     */
    public static function tableName()
    {
        return '{{%goods_attr}}';
    }

    /**
     * {@inheritdoc}
     */
    public function rules()
    {
        return [
            [['goods_id', 'stock', 'status', 'version', 'sort', 'created_at', 'updated_at', 'is_show', 'is_show_code'], 'integer'],
            [['price', 'original_price', 'cost_price', 'weight'], 'number'],
            [['sign_id', 'pic_url', 'spec_no'], 'string', 'max' => 255],
            [['name'], 'string', 'max' => 500],
            [['goods_no'], 'safe'],
        ];
    }

    /**
     * {@inheritdoc}
     */
    public function attributeLabels()
    {
        return [
            'id' => 'ID',
            'goods_id' => '商品ID',
            'name' => '规格名称',
            'sign_id' => '规格ID标识',
            'stock' => '库存',
            'price' => '价格',
            'original_price' => '原价',
            'cost_price' => '成本价',
            'goods_no' => '货号',
            'weight' => '重量（克）',
            'pic_url' => '规格图片',
            'status' => '状态[1正常 -1删除]',
            'version' => '版本',
            'sort' => '排序',
            'created_at' => '创建时间',
            'updated_at' => '修改时间',
            'is_show' => '是否显示[0隐藏; 1显示]'
        ];
    }

    // 关联模型
    public function getGoods()
    {
        return $this->hasOne(Goods::class, ['id' => 'goods_id']);
    }
    
    public function getBaseGoods()
    {
        return $this->hasOne(Goods::class, ['id' => 'goods_id'])->select(['id', 'name', 'pic_url']);
    }

    public function getScoreGoodsAttr() {
        return $this->hasOne(ScoreMallGoodsAttr::class, ['goods_attr_id' => 'id'])->andWhere(['status' => [StatusEnum::ENABLED]]);
    }

    /**
     * 保存规格数据
     * @Author bing
     * @DateTime 2021-09-02 19:37:52
     * @copyright: Copyright (c) 2020 广东七件事集团
     * @param [type] $goods_id
     * @param [type] $attrs
     * @param [type] $attr_groups
     * @param string $addons 来自插件
     * @param callback $call_back 回调函数
     * @return void
     */
    public static function setData($goods_id, $attrs, $attr_groups, &$wait_del_attr_id_arr=[])
    {
        try{
            if($goods_id && $attrs && $attr_groups){
                $goods_attr_list = self::lists(['where'=>[['goods_id'=>$goods_id],['status'=>StatusEnum::ENABLED]],'select'=>'id']);
                $wait_del_attr_id_arr = array_column($goods_attr_list,'id', 'id');//等待删除的规格id
                self::updateAll(['status'=>StatusEnum::DELETE],['goods_id'=>$goods_id]);
                $total_stock = 0; // 总库存
                $attr_pic_list = array_column($attr_groups[0]['attr_list'], 'pic_url', 'attr_id');
                foreach($attrs as  $attr){
                    $attr_ids = array_column($attr['attr_list'],'attr_id');
                    // 和前端保持一致排序
                    asort($attr_ids);
                    $attr['pic_url'] = $attr_pic_list[$attr_ids[0]] ?? '';
                    $attr['sign_id'] = implode(':',$attr_ids);
                    
                    $attr_group_name_list = array_column($attr['attr_list'], 'attr_group_name');
                    $attr_name_list = array_column($attr['attr_list'], 'attr_name');
                    $attr_name_arr = [];
                    foreach ($attr_group_name_list as $index => $attr_group_name) {
                        $attr_name_arr[] = $attr_group_name . ':' . $attr_name_list[$index];
                    }
                    $attr['name'] = implode(',',$attr_name_arr);
                    $attr['weight'] = empty($attr['weight']) ? 0: $attr['weight'];
                    $total_stock += $attr['stock'];
                    if(!empty($attr['id'])){
                        $model = self::findOne(['id' => $attr['id'],'goods_id' => $goods_id]);
                        $model->status = StatusEnum::ENABLED;
                        //移除状态正常的规格id
                        unset($wait_del_attr_id_arr[$attr['id']]);
                    }else{
                        $model = new self();
                        $model->loadDefaultValues();
                        $model->goods_id = $goods_id;
                    }
                    if(!$model->load($attr,'') || !$model->save()){
                        throw new Exception($model->getErrorMessage());
                    }
                }
                // 更新商品库存
                $goods = Goods::findOne($goods_id);
                $goods->stock = $total_stock;
                if(!$goods->save())  throw new Exception($goods->getErrorMessage());
            }
            return true;
        }catch(Exception $e){
            self::$static_error = $e->getMessage();
            return false;
        }
    }

    /**
     * 无规格商品添加货品数据
     * @Author bing
     * @DateTime 2021-09-02 19:37:52
     * @copyright: Copyright (c) 2020 广东七件事集团
     * @param [type] $goods_id
     * @param [type] $attrs
     * @param [type] $attr_groups
     * @return void
     */
    public static function setAttr($goods_id,$attr){
        try{
            self::updateAll(['status'=>StatusEnum::DELETE],['goods_id'=>$goods_id]);
            $model = self::findOne(['goods_id' => $goods_id]);
            if(empty($model)){
                $model = new self();
                $model->loadDefaultValues();
                $model->goods_id = $goods_id;
            }else{
                $model->status = StatusEnum::ENABLED;
                $model->name = '';
            }
            if(!$model->load($attr,'') || !$model->save()){
                throw new Exception($model->getErrorMessage());
            }
            return true;
        }catch(Exception $e){
            self::$static_error = $e->getMessage();
            return false;
        }
    }

    /**
     * 获取规格列表
     * @Author bing
     * @DateTime 2021-08-26 13:00:11
     * @copyright: Copyright (c) 2020 广东七件事集团
     * @param array $cond
     * @param array $with
     * @param integer $is_array
     * @return array|null
     */
    public static function getGoodsAttrs(array $cond=[],array $with=[],bool $is_array=true,$select='*'){
        $default_cond = [['<>','status',StatusEnum::DELETE]];
        $cond = array_merge($default_cond,$cond);
        $query = self::find()->select($select);
        self::paramPack(['where'=>$cond,'with'=>$with],$query);
        $attrs = $query->asArray($is_array)->all();
        return $attrs;
    }

    /**
     * 格式化表单需要的规格
     * @Author bing
     * @DateTime 2021-09-03 15:52:03
     * @copyright: Copyright (c) 2020 广东七件事集团
     * @param array $attrs
     * @param array $format_attr_group
     * @return void
     */
    public static function formatFormAttr(array $attrs,array $format_attr_group){
        if(empty($attrs)) return $attrs;
        foreach ($attrs as $key => $attr) {
            $attrs[$key]['attr_list'] = $format_attr_group[$attr['sign_id']] ?? [];
        }
        return $attrs;
    }

    /**
     * 获取所选的规格
     * @param $sign_id
     * @param $attr_groups_format
     * @return string
     */
    public static function getAttrStr($sign_id,$attr_groups_format){
        $attr_name = '';
        if(empty($attr_groups_format[$sign_id])) return '默认规格';
        foreach ($attr_groups_format[$sign_id] as $val) {
            $attr_name .= $val['attr_name'].',';
        }
        return trim($attr_name,',');
    }

    /**
     * 获取sku数据
     * @param $goods_attr_list
     * @param $attr_groups_format
     * @return array
     */
    public static function getSkuArr($goods_attr_list,$attr_groups_format){
        $sku_arr = [];
        foreach ($goods_attr_list as $v) {
            $sku_arr[$v['goods_id']][] = [
                'id' =>  empty($v['sign_id'])?$v['goods_id']:$v['id'],
                'sign_id' => empty($v['sign_id'])?$v['goods_id']:$v['sign_id'],
                'attr_name' => self::getAttrStr($v['sign_id'],$attr_groups_format),
                'price' => $v['price'],
                'pic_url' => $v['pic_url'],
                'stock' => $v['stock'],
            ];
        }
        return $sku_arr;
    }

    /**
     * @desc:扣减规格库存
     * @Author: hua
     * @Date: 2021/11/9
     * @Time: 11:46
     * @Copyright: copyright (c) 2021 广东七件事集团
     * @param $goods_attr_id
     * @param $num +增加 -减少
     * @return bool
     * @throws Exception
     */
    public static function handleStock($goods_attr_id,$num){
        try{
            $model = self::findOne(['id'=>$goods_attr_id,'status'=>StatusEnum::ENABLED]);
            if(empty($model)) throw new Exception('规格不存在');
            if(!is_int($num)) throw new Exception('库存数量必须为整数');
            if($num < 0 && $model->stock < abs($num)) throw new Exception('库存不足');
            $model->stock += $num;
            $res = $model->save();
            if($res === false) throw new Exception($model->getErrorMessage());
            return true;
        }catch(Exception $e){
            self::setStaticError($e->getMessage());
            return false;
        }
      
    }
}