<?php

namespace app\api\model\app\pc;

use think\Model;
/**
 * SEO
 */
class Seo extends Model
{

    /**
     * 获取 seo meta 信息
     * @param $type
     * @param $id
     * @return void
     */
    public function getMeta($type = null,$id = null){
        $seoConfig = \app\common\model\app\Config::getConfig('pc_seo');
        $systemConfig = \app\common\model\config\System::getConfig('system');

        $meta = [
            'title'=>'',
            'keywords'=>'',
            'description'=>''
        ];

        if($seoConfig){
            if($type == 'page' && $seoConfig['page_tdk_status'] == 1){
                //获取页面
                $pagedata = \app\api\model\app\pc\Page::where(['id'=>$id])->field(["seo_title","seo_description","seo_keyword"])->find();
                if($pagedata){
                    $meta['title'] =  $pagedata['seo_title'];
                    $meta['keywords'] =  $pagedata['seo_keyword'];
                    $meta['description'] =  $pagedata['seo_description'];
                }
            }


            if($seoConfig['detail_tdk_status'] == 1 && $type != 'page'){
                switch ($type){
                    case "goods":
                    case "live":
                        $goodsdata = \app\api\model\course\Course::where(['id'=>$id])->field(["name","briefing"])->find();
                        if($goodsdata){
                            $meta['title'] =  $goodsdata['name'];
                            $meta['description'] =  $goodsdata['briefing'];
                        }
                        break;
                    case "evaluation":
                        $evaluationdata = \app\api\model\app\exam\Exercises::where(['id'=>$id])->field(["name"])->find();
                        if($evaluationdata){
                            $meta['title'] =  $evaluationdata['name'];
                        }
                        break;
                    case "search":
                        $meta['title'] =  $id."的搜索结果";
                        break;
                    case "vipcard":
                        $vipcarddata = \app\api\model\app\vip\Card::where(['id'=>$id])->field(["title","subtitle"])->find();
                        if($vipcarddata){
                            $meta['title'] =  $vipcarddata['title'];
                            $meta['description'] =  $vipcarddata['subtitle'];
                        }
                        break;
                    case "activity":
                        $activitydata = \app\api\model\app\activity\Activity::where(['id'=>$id])->field(["name","location"])->find();
                        if($activitydata){
                            $meta['title'] =  $activitydata['name'];
                            $meta['description'] =  "活动地点:".$activitydata['location'];
                        }
                        break;
                    case "user":
                        $meta['title'] = $id == 'record' ? '学习记录' : ($id == 'info' ? "个人中心" : '我的课程');
                        break;
                }
            }


            if($seoConfig['default_tdk_status'] == 1){
                $meta['title'] = empty($meta['title']) ? $seoConfig['default_tdk_title'] : $meta['title'];
                $meta['keywords'] = empty($meta['keywords']) ?implode(",",$seoConfig['default_tdk_keywords']) : $meta['keywords'];
                $meta['description'] = empty($meta['description']) ? $seoConfig['default_tdk_describe'] : $meta['description'];
            }
        }

        $meta['title'] = empty($meta['title']) ? $systemConfig['name'] : $meta['title'];

        return $meta;
    }
}