<?php

namespace app\common\model\goods;

use think\Model;

use think\Db;
/**
 * 商品信息调度器
 */
class Handle extends Model
{


    /**
     * 获取商品详情
     * @param $goodsId 商品ID
     * @param $type 商品类型
     * @param $count 数量
     * @param $extend 额外信息
     * @return void
     */
    public static function getGoodsDetail($goodsId,$type='course',$count=1,$extend=''){

        $result = false;

        //提前适配
        //未来会添加其他类型的商品 如实物、卡密等等
        //要考虑积分商品
        switch ($type){
            case 'vipcard':
                $result = (new \app\api\model\app\vip\Card())->getPayDetail($goodsId);
                break;
            case 'live_gift':
                $result = (new \app\admin\model\live\GiftOptions())->getPayDetail($goodsId);
                break;
            case 'exercises':
                $result = (new \app\api\model\app\exam\Exercises())->getPayDetail($goodsId);
                break;
            case 'activity':
                $result = (new \app\api\model\app\activity\Activity())->getPayDetail($goodsId,$count,$extend);
                break;
            case 'physical':
                $result = (new \app\api\model\app\physical\Goods())->getPayDetail($goodsId,$count,$extend);
                break;
            case 'composite':
                if (!\app\admin\library\project\App::isInstall('composite')) {
                    $result = false;
                    break;
                }
                $result = (new \app\common\model\goods\Composite())->getPayDetail($goodsId,$count,$extend);
                break;
            default:
                $result = (new \app\common\model\goods\Course())->getDetail($goodsId);
                if($result){
                    \app\common\model\course\Course::checkSalesType($result);
                }
                break;
        }


        return $result;
    }


    /**
     * 获取商品列表
     * @param $where
     * @param $sort
     * @param $order
     * @param $limit
     * @return \think\db\Query
     */
    public static function getGoodsQuery($where = [],$sort='id', $order = 'desc',$limit = 10){
        $field = [
            'id'=>'id',
            'name'=>"name",
            'cover'=>'cover',
            'createtime'=>'createtime',
            'views'=>"views",
            'type'=>'type',
            'status'=>'status',
            'sales'=>"null as `sales`",
            'hide'=>"0 as `hide`",
            'sales_type'=>"'alone' as `sales_type`",
            'briefing'=>"null as `briefing`",
            'uniacid'=>'uniacid',
            'price'=>"0 as `price`",
            'pay_type'=>"'pay' as `pay_type`",
        ];

        $query1 = Db::table(\app\common\model\course\Course::getTable())->field(array_values(array_merge($field,['price'=>'price','pay_type'=>'pay_type','briefing'=>'briefing','type'=>'type','hide'=>'hide','sales_type'=>'sales_type','sales'=>'sales','hide'=>'hide'])))->where([
            'uniacid'=>UNIACID
        ])->buildSql();
        $query2 = Db::name("app_activity")->field(array_values(array_merge($field,['price'=>"price",'type'=>"'activity' as `type`"])))->where([
            'uniacid'=>UNIACID
        ])->buildSql();
        $query3 = Db::table(\app\common\model\app\exam\Exercises::getTable())->field(array_values(array_merge($field,['price'=>"`pay_price` as `price`",'hide'=>'hide','type'=>"'exercises' as `type`",'pay_type'=>"CASE sales_type WHEN 1 THEN 'free' WHEN 2 THEN 'pay' WHEN 3 THEN 'bind_course' END as `pay_type`",'sales_type'=>'sales_type'])))->where([
            'uniacid'=>UNIACID
        ])->buildSql();
        $vipIcon = request()->domain().'/assets/image/vip.png';
        $query4 = Db::name("app_vip_card")->field(array_values(array_merge($field,['price'=>"price",'briefing'=>"`subtitle` as `briefing`",'name'=>"`title` as `name`",'cover'=>"'".$vipIcon."' as cover",'views'=>"0 as `views`",'type'=>"'vipcard' as `type`"])))->where([
            'uniacid'=>UNIACID
        ])->buildSql();
        $query5 = Db::table(\app\admin\model\app\physical\Goods::getTable())->field(array_values(array_merge($field,['name'=>'name','price'=>'price','type'=>"'physical' as `type`",'hide'=>"'is_hide' as `hide`"])))->where([
            'uniacid'=>UNIACID,
            'status'=>1
        ])->buildSql();

        $sql = "{$query1} UNION {$query2} UNION {$query3} UNION {$query4} UNION {$query5}";

        if (\app\admin\library\project\App::isInstall('composite')) {
            $query6 = Db::table(\app\admin\model\app\composite\Goods::getTable())->field(array_values(array_merge($field,[
                "name"=>"name",
                "price"=>"min_price as price",
                "type"=>"'composite' as `type`",
                //组合商品封面取 images 字段（JSON 数组）的第一张图
                "cover"=>"COALESCE(JSON_UNQUOTE(JSON_EXTRACT(images, '$[0]')), '') as cover",
                "hide"=>"0 as `hide`",
                "pay_type"=>"'pay' as `pay_type`"
            ])))->where([
                'uniacid'=>UNIACID,
                'status'=>1,
                'is_show'=>1
            ])->buildSql();
            $sql .= " UNION {$query6}";
        }

        if(\app\admin\library\project\App::isInstall('test')){
            $query6 = Db::table(\app\admin\model\app\test\Test::getTable())->field(array_values(array_merge($field,['price'=>"'0' as `price`",'views'=>"'0' as `views`",'type'=>"'test' as `type`"])))->where([
                'uniacid'=>UNIACID
            ])->buildSql();
            $sql .=  " UNION {$query6}";
        }
        return Db::table("({$sql})". ' as goods');
    }


    /**
     * 获取不同商品类型在列表中展示的额外字段，如价格，支付方式
     * @param $id
     * @param $type
     * @return array
     */
    public static function parseGoodsExtendInfo($id,$type){
        $item = [];
        $item['pay_type'] = 'free';
        $item['price'] = 0;
        $item['price_marking'] = 0;

        switch ($type){
            case 'exercises':
                //作业考试
                $extendInfo = \app\common\model\app\exam\Exercises::where([
                    'id'=>$id
                ])->field(['sales_type','pay_price'])->find();
                if($extendInfo){
                    $item['pay_type'] = $extendInfo['sales_type'] == 1 ? 'free' : ($extendInfo['sales_type'] == 2 ? 'pay' : 'bind_course');
                    if($item['pay_type'] == 'pay'){
                        $item['price'] = $extendInfo['pay_price'];
                    }else{
                        $item['price'] = 0;
                    }
                }
                break;

            case 'live_gift':
                //直播礼物
                break;
            case 'test':
                //考试
                $item['pay_type'] = 'bind_course';
                break;
            case 'vipcard':

                if(\app\common\library\Platform::getSystemType() == 'single'){
                    $item['cover'] = MODULE_URL.'/assets/image/vipcard.png';
                }else{
                    $item['cover'] = MODULE_URL.'/public/assets/image/vipcard.png';
                }

                $extendInfo = \app\common\model\app\vip\Card::where([
                    'id'=>$id
                ])->field(['sku'])->find();

                if($extendInfo){
                    $extendInfo['sku'] = json_decode($extendInfo['sku'],true);
                    if($extendInfo['sku']){
                        $item['pay_type'] = 'pay';
                        $item['price'] = $extendInfo['sku'][0]['price'];
                    }
                }

                //付费会员卡
                break;
            case 'activity':
                $extendInfo = \app\common\model\app\activity\Activity::where([
                    'id'=>$id
                ])->field(['location','activity_start_time'])->find();

                if($extendInfo){
                    $extendInfo = $extendInfo->toArray();
                    $item = array_merge($item,$extendInfo);
                    $ticketPrice = \app\common\model\app\activity\Ticket::where([
                        'activity_id'=>$id
                    ])->field(['price'])->order("price","asc")->find();

                    if($ticketPrice){
                        $item['pay_type'] = 'pay';
                        $item['price'] = $ticketPrice['price'];
                    }
                }
                //活动
                break;
            case 'physical':
                $extendInfo = \app\common\model\app\physical\Goods::where([
                    'id'=>$id
                ])->field(['id','spec_type','cover as image'])->find();

                if($extendInfo){
                    $extendInfo = $extendInfo->toArray();
                    $item = array_merge($item,$extendInfo);
                    $item['cover'] = $extendInfo['image'] ?? '';

                    $skuPriceQuery = \app\admin\model\app\physical\SkuPrice::where([
                        'goods_id'=>$id,
                        'uniacid'=>UNIACID
                    ]);

                    if($extendInfo['spec_type'] == 'single'){
                        $skuPrice = $skuPriceQuery->order('id','asc')->find();
                    }else{
                        $skuPrice = $skuPriceQuery->order('price','asc')->find();
                    }

                    if($skuPrice){
                        $item['pay_type'] = 'pay';
                        $item['price'] = $skuPrice['price'];
                        $item['price_marking'] = $skuPrice['original_price'] ?: $skuPrice['price'];
                    }
                }
                break;
            case 'composite':
                if (\app\admin\library\project\App::isInstall('composite')) {
                    $extendInfo = \app\admin\model\app\composite\Goods::where(['id'=>$id])->field(['id','name','min_price','images'])->find();
                    if ($extendInfo) {
                        $extendInfo = $extendInfo->toArray();
                        $item['pay_type'] = 'pay';
                        $item['price'] = $extendInfo['min_price'] ?? 0;
                        $images = $extendInfo['images'] ?? [];
                        if (is_string($images)) {
                            $images = json_decode($images, true) ?: [];
                        }
                        $item['cover'] = $images[0] ?? '';
                    }
                }
                break;
            default:
                //图文、视频、音频、直播、专栏课程
                $extendInfo = \app\common\model\course\Course::where([
                    'id'=>$id
                ])->field(['price_marking','price','pay_type'])->find();
                if($extendInfo){
                    $extendInfo = $extendInfo->toArray();
                    $item = array_merge($item,$extendInfo);
                }
                break;
        }

        return $item;
    }


    public function withagentgoods()
    {
        return $this->belongsTo('\app\common\model\app\agent\Goods', 'goods_id', 'id', [], 'RIGHT')->setEagerlyType(0);
    }
}