<?php

namespace app\admin\controller\live;

use app\common\controller\Backend;
use think\Db;
use think\exception\ValidateException;
use PDOException;
use Exception;
/**
 * 直播挂载商品
 *
 * @icon fa fa-circle-o
 */
class Goods extends Backend
{

    /**
     * Goods模型对象
     * @var \app\admin\model\live\Goods
     */
    protected $model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\live\Goods;
        $this->view->assign("statusList", $this->model->getStatusList());
    }


    /**
     * 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
     * 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
     * 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
     */


    /**
     * 查看
    */
    public function index()
    {
       //当前是否为关联查询
       $this->relationSearch = true;
       //设置过滤方法
       $this->request->filter(['strip_tags', 'trim']);
       //如果发送的来源是Selectpage，则转发到Selectpage
       if ($this->request->request('keyField')) {
           return $this->selectpage();
       }
       list($where, $sort, $order, $offset, $limit) = $this->buildparams();


       $list = $this->model
          ->where($where)
            ->order('explaining DESC, id ASC')
          ->paginate($limit);

       $selectGoodsIds = [];
       
       foreach ($list as &$row) {
           $row->visible(['id','description','status','explaining','sellout','views','sales','createtime','goods']);

           $goodsQuery = \app\common\model\goods\Handle::getGoodsQuery();
           $row->setAttr('goods', $goodsQuery->where('id', $row->goods_id)->where('type', $row->goods_type)->find());

           $selectGoodsIds[] = $row->goods_id."_".$row->goods_type;
       }

       $result = array("total" => $list->total(), "rows" => $list->items(),'select_goods_ids'=>$selectGoodsIds,'attr'=>[
           'status'=>$this->model->getStatusList(),
           'explaining'=>$this->model->getExplainingList(),
           'sellout'=>$this->model->getSelloutList()
       ]);
       
       return $this->success("获取成功",$result);
    }


    /**
     * 添加
     *
     * @return string
     * @throws \think\Exception
     */
    public function add()
    {
        if (false === $this->request->isPost()) {
            return $this->view->fetch();
        }
        $params = $this->request->post('row/a');
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $params = $this->preExcludeFields($params);

        if ($this->dataLimit && $this->dataLimitFieldAutoFill) {
            $params[$this->dataLimitField] = $this->auth->id;
        }
        $params['uniacid'] = UNIACID;
        $goods = $params['goods'];

        $data = [];

        if(!$goods){
            $this->error('请先选择商品');
        }

        foreach ($goods as $item){

            $isRepeat = $this->model->where([
                'goods_id'=>$item['id'],
                'goods_type'=>$item['type'],
                'live_id'=>$params['live_id']
            ])->field('id')->find();

            if(!$isRepeat){
                //先判断有没有提交过
                $data[] = [
                    'goods_id'=>$item['id'],
                    'goods_type'=>$item['type'],
                    'uniacid' => UNIACID,
                    'createtime'=>time(),
                    'live_id'=>$params['live_id']
                ];
            }
        }

        if(!$data){
            $this->error('未添加任何商品，请确认是否已经添加过了');
        }


        $result = false;
        Db::startTrans();
        try {
            //是否采用模型验证
            if ($this->modelValidate) {
                $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.add' : $name) : $this->modelValidate;
                $this->model->validateFailException()->validate($validate);
            }
            $result = $this->model->allowField(true)->insertAll($data);
            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if ($result === false) {
            $this->error(__('No rows were inserted'));
        }
        $this->success("提交成功");
    }


    /**
     * 切换状态
     * @param $ids
     * @param $status
     * @return void
     */
    public function control($ids=null,$type=1,$val=1){
        if (false === $this->request->isPost()) {
            $this->error(__("Invalid parameters"));
        }
        $ids = $ids ?: $this->request->post("ids");
        if (empty($ids)) {
            $this->error(__('Parameter %s can not be empty', 'ids'));
        }

        $type = $type ?: $this->request->post("type");
        $val = $val ?: $this->request->post("val");
        $live_id = $this->request->post("live_id");


        $pk = $this->model->getPk();
        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds)) {
            $this->model->where($this->dataLimitField, 'in', $adminIds);
        }

        //讲解中只能设置一个
        if($type == 'explaining'){
            $this->model->where('live_id', $live_id)->update([
                'explaining'=>0
            ]);
            if($val == 1){
                $this->model->where('id', $ids[0])->update([
                    'explaining'=>1
                ]);
            }
        }

        $list = $this->model->where($pk, 'in', $ids)->select();

        $count = 0;
        Db::startTrans();
        try {
            foreach ($list as $item) {
                $row = [
                    $type=>$val
                ];
                $this->model->where([
                    'id'=>$item['id']
                ])->update($row);
                $count++;
            }
            Db::commit();
        } catch (PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if ($count) {
            if($type == 'explaining'){
                $this->pushExplainingGoods($live_id);
            }
            $this->success("操作成功");
        }
        $this->error(__('未操作任何数据'));
    }

    /**
     * 推送讲解商品变更。
     * @param int $liveId
     * @return void
     */
    protected function pushExplainingGoods($liveId)
    {
        if(!$liveId){
            return;
        }

        $room = \app\common\model\live\Room::where(['course_id'=>$liveId])->field('message_topic')->find();
        if(!$room || empty($room['message_topic'])){
            return;
        }

        $data = $this->getExplainingGoodsData($liveId);
        $message = json_encode([
            'user_id'=>0,
            'nickname'=>'管理员',
            'avatar'=>letter_avatar('管'),
            'type'=>'goods_explaining',
            'message'=>'讲解商品已更新',
            'data'=>$data,
            'time'=>time()
        ], JSON_UNESCAPED_UNICODE);

        // 服务商统一从全局配置读取，历史直播间也随全局切换生效
        $provider = \app\common\library\live\message\Manager::getGlobalProviderName();
        \app\common\library\live\Message::sendByProvider($provider, $room['message_topic'], $message, 10099, 'system');
    }

    /**
     * 获取讲解商品数据。
     * @param int $liveId
     * @return array|null
     */
    protected function getExplainingGoodsData($liveId)
    {
        $data = $this->model
            ->where([
                'live_id'=>$liveId,
                'explaining'=>1
            ])
            ->normal()
            ->field(['id','description','status','explaining','sellout','createtime','goods_id','goods_type'])
            ->find();

        if(!$data){
            return null;
        }

        $goodsQuery = \app\common\model\goods\Handle::getGoodsQuery();
        $goods = $goodsQuery->where('id',$data['goods_id'])
            ->where('type',$data['goods_type'])
            ->where('status',1)
            ->where('hide',0)
            ->where('sales_type','like','%alone%')
            ->find();

        if(!$goods){
            return null;
        }

        $data = $data->toArray();
        $data['goods'] = $goods;
        return $data;
    }
}