<?php

namespace app\common\model;

use think\Model;
use app\common\library\Common;
use think\Db;

/**
 * 商品信息model
 */
class Product Extends Model
{

    // 开启自动写入时间戳字段
    protected $autoWriteTimestamp = 'TIMESTAMP';
    // 定义时间戳字段名
    protected $createTime = 'create_at';
    protected $updateTime = 'update_at';
    // 追加属性
    protected $append = [
    ];


    /**
     * 添加、编辑商品信息（普通商品）
     * @param $data
     * @return array
     */
    public static function add_edit($data){
        $user =  app()->session->get('us');
        $userinfo = User::where('id',$user['id'])->find();
        if ($userinfo['type'] != 2)
            return Common::return_error('非商家，无法添加！');
        $merchInfo = UserMerchInfo::where('user_id',$user['id'])->where('audit',1)->where('status',1)->find();
        if (!$merchInfo)
            return Common::return_error('商家审核未通过或被禁用，无法添加！');

        $cate_id = $merchInfo['category_one_id'];
        $twocate = Category::get($cate_id);
        if ($twocate['type'] != 1){
            return Common::return_error('商家类别错误，无法添加！');
        }

        $data['label'] = implode(',',$data['label']);
        $data['imgs'] = implode(',',$data['imgs']);

        Db::startTrans();
        try {
            if ($data['id']){
                $data['update_at'] = date('Y-m-d H:i:s');
                self::where('id',$data['id'])->update($data);
                Db::commit();
                self::price_log($data['id'],$data['price'],$data['first_price']);
                return Common::return_success('编辑成功');
            }else{
                $data['user_id'] = $userinfo->id;
                $data['merch_id'] = $merchInfo->id;
                $product = self::create($data);
                Db::commit();
                self::price_log($product->id,$data['price'],$data['first_price']);
                return Common::return_success('添加成功');
            }
        } catch (Exception $e) {
            Db::rollback();
            return Common::return_error('失败');
        }
    }


    /**
     * 商品价格变动记录
     */
    public static function price_log($product_id,$o_price,$first_price){
         $data['product_id'] = $product_id;
         $data['o_price'] = $o_price;
         $data['first_price'] = $first_price;
         ProductPriceLog::create($data);
    }


    /**
     * 添加、编辑商品信息(加油站商品)
     * @param $data
     * @return array
     */
    public static function add_edit_station($data){
        $user =  app()->session->get('us');
        $userinfo = User::where('id',$user['id'])->find();
        if ($userinfo['type'] != 2)
            return Common::return_error('非商家，无法添加！');
        $merchInfo = UserMerchInfo::where('user_id',$user['id'])->where('audit',1)->where('status',1)->find();
        if (!$merchInfo)
            return Common::return_error('商家审核未通过或被禁用，无法添加！');

        $cate_id = $merchInfo['category_one_id'];
        $twocate = Category::get($cate_id);
        if ($twocate['type'] != 2){
            return Common::return_error('商家类别错误，无法添加！');
        }
        $data['specifications'] = json_encode($data['specifications'],true);
        $data['imgs'] = implode(',',$data['imgs']);
        Db::startTrans();
        try {
            if ($data['id']){
                $data['update_at'] = date('Y-m-d H:i:s');
                self::where('id',$data['id'])->update($data);
                Db::commit();
                return Common::return_success('编辑成功');
            }else{
                $data['user_id'] = $userinfo->id;
                $data['merch_id'] = $merchInfo->id;
                self::create($data);
                Db::commit();
                return Common::return_success('添加成功');
            }
        } catch (Exception $e) {
            Db::rollback();
            return Common::return_error('失败');
        }
    }

    /**
     * 获取商品信息列表
     */
    public static function product_list($Nowpage,$limits){
        $user =  app()->session->get('us');
        $count = self::where('is_del',1)->where('user_id',$user['id'])->count();
        $data['count'] = $count;
        $list = self::where('is_del',1)->where('user_id',$user['id'])->page($Nowpage, $limits)->order('id desc')->select();
        if ($list){
            $list = $list->toArray();
            foreach ($list as $k=>$v){
                $list[$k]['label'] = explode(',',$v['label']);
                $list[$k]['image'] = explode(',',$v['imgs'])[0];
                $list[$k]['imgs']  = explode(',',$v['imgs']);
                $list[$k]['specifications'] = json_decode($v['specifications'],true);
            }
        } else{
            $list =  [];
        }
        $data['list'] = $list;
        return Common::return_success('成功',$data);
    }

    /**
     * 删除商品信息
     */
    public static function del_product($id){
        $user =  app()->session->get('us');
        $job = self::get($id);
        if (!$job)
            return Common::return_error('信息不存在');
        if ($job->user_id!=$user['id'])
            return Common::return_error('无法删除');
        $job->is_del = 0;
        if ($job->save())
            return Common::return_success('删除成功');
        else
            return Common::return_error('删除失败');
    }


    /**
     * 商品列表
     */
    public static function productList($merch_id,$Nowpage,$limits){
        $user = app()->session->get('us');
        $merch = UserMerchInfo::where('id',$merch_id)->where('audit',1)->where('status',1)->find();
        if (!$merch)
            return Common::return_error('商家不存在');
        //商品
        $product['count'] = self::where('merch_id',$merch_id)->where('is_del',1)->order('id desc')->count();
        $product_list = self::where('merch_id',$merch_id)->where('is_del',1)
            ->order('id desc')->field('id,merch_id,user_id,product_name,price,product_info,imgs,specifications')
            ->page($Nowpage, $limits)
            ->select();
        if ($product_list){
            $product_list = $product_list->toArray();
            foreach ($product_list as $k=>$v){
                if ($v['price']==0){
                    $product_list[$k]['price'] = json_decode($v['specifications'],true)[0]['price'];
                    $product[$k]['is_first_buy'] = false;
                }else{
                    if ($v['first_price']>0){
                        $order = Order::where('user_id',$user['id'])->where('product_id',$v['id'])->whereNotIn('status','0,4')->count();
                        if ($order){
                            $product[$k]['is_first_buy'] = false;
                        }else{
                            $product[$k]['is_first_buy'] = true;
                            $product[$k]['price'] = $v['first_price'];
                        }
                    }else{
                        $product[$k]['is_first_buy'] = false;
                    }
                }
                $product_list[$k]['image'] = explode(',',$v['imgs'])[0];
                $product_list[$k]['is_collect'] = self::checkUserCollect($v['id']) ? 'true' : 'false';
                unset($product_list[$k]['imgs']);
            }
            $product['list'] = $product_list;
        } else{
            $product['list'] = [];
        }
        return Common::return_success('成功',$product);
    }

    /**
     * 商品详情页
     */
    public static function productDetail($product_id,$Nowpage,$limits){
        $user = app()->session->get('us');
        $detail = self::where('id',$product_id)->where('is_del',1)->find();
        if (!$detail)
            return Common::return_error('商品不存在');

        $merch = UserMerchInfo::where('id',$detail['merch_id'])->where('audit',1)->where('status',1)->field('id,user_id,name,category_one_id,category_two_id,log,lat,address,phone,capita,imgs,lat,log')->find()->toArray();
        $merch['imgs'] = explode(',',$merch['imgs']);
        $merch['evaluation'] = UserMerchInfo::merchEvaluation($merch['id']);  //评价几颗星
        $merch['distance']  = Common::getDistance($merch['lat'],$merch['log'])."km";   //距离

        $detail = $detail->toArray();

        if ($detail['price']==0){
            $detail['is_first_buy'] = false;
        }else{
            if ($detail['first_price']>0){
                $order = Order::where('user_id',$user['id'])->where('product_id',$product_id)->whereNotIn('status','0,4')->count();
                if ($order){
                    $detail['is_first_buy'] = false;
                }else{
                    $detail['is_first_buy'] = true;
                    $detail['price'] = $detail['first_price'];
                }
            }else{
                $detail['is_first_buy'] = false;
            }
        }


        $d[0]['id'] = $detail['id'];
        $d[0]['product_name'] = $detail['product_name'];
        $productlist = self::where('merch_id',$detail['merch_id'])->where('id','<>',$product_id)->where('is_del',1)->field('id,product_name')->select();
        if ($productlist){
            $product_list = array_merge($d,$productlist->toArray());
        }else{
            $product_list = $d;
        }
        self::browseAdd($product_id);  //浏览数
        //获取商家的类别
        $type = UserMerchInfo::where('a.id',$detail['merch_id'])->alias('a')->join('Category b','a.category_one_id=b.id')->value('b.type');
        $detail['imgs'] = $detail['imgs'] ? explode(',',$detail['imgs']) : [];
        $detail['type'] = $type;
        $detail['label'] = explode(',',$detail['label']);
        $detail['specifications'] = json_decode($detail['specifications'],true);
        $dates =  date('Y-m');
        $timebegin = strtotime($dates) ; //开始时间戳
        $day = date('t',$timebegin);
        $timeend = $timebegin + 86400 * $day  - 1; //结束时间戳
        $start = date('Y-m-d H:i:s',$timebegin);
        $end = date('Y-m-d H:i:s',$timeend);
        //商品月销量
        $detail['sales'] = Order::where('product_id',$product_id)->where('status','in','2,3')->count();
        //$detail['sales'] = Order::where('product_id',$product_id)->whereBetweenTime('create_at',$start,$end)->where('status','in','2,3')->count();
        //评论
        $evaluation['count'] = ProductEvaluation::where('product_id',$product_id)->where('is_del',1)->count();
        $evaluation_list = ProductEvaluation::where('a.product_id',$product_id)
            ->alias('a')
            ->where('a.is_del',1)
            ->join('User b','a.user_id=b.id')
            ->field('a.*,b.nickname,b.headimg')
            ->order('a.is_optimization desc,a.id desc')
            ->page($Nowpage, $limits)
            ->select();
        if ($evaluation_list){
            $evaluation_list = $evaluation_list->toArray();
            foreach ($evaluation_list as $k=>$v){
                $evaluation_list[$k]['imgs'] = $v['imgs'] ? explode(',',$v['imgs']) : [];
                $evaluation_list[$k]['create_at'] = date('Y-m-d',strtotime($v['create_at']));
                $evaluation_list[$k]['is_zan'] = ProductEvaluation::checkUserEvaluationZan($v['id']) ? 'true' : 'false';
            }
            $evaluation['list'] = $evaluation_list;
        }else {
            $evaluation['list'] = [];
        }
        return Common::return_success('成功',compact('product_list','detail','evaluation','merch'));
    }


    /**
     * 判断用户是否收藏商品
     */
    public static function checkUserCollect($product_id){
        $user = app()->session->get('us');
        if ($user){
            $collect = ProductCollect::where('user_id',$user['id'])->where('product_id',$product_id)->count();
            if ($collect)
                return true;
        }
        return false;
    }

    /**
     * 商品浏览量增加
     */
    public static function browseAdd($product_id){
        self::where('id',$product_id)->setInc('browse');
    }

}