<?php
namespace app\store\controller;
use library\Controller;
use think\Db;

/**
 * 兑换码
 * Class ExchangeCode
 * @package app\store\controller
 */
class ExchangeCode extends Controller
{

    /**
     * 绑定数据表
     * @var string
     */
    protected $table = 'GoodsCode';

    /**
     * 兑换码列表
     * @auth true
     * @menu true
     * @throws \think\Exception
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\ModelNotFoundException
     * @throws \think\exception\DbException
     * @throws \think\exception\PDOException
     */
    public function index()
    {
        $this->title = '兑换码管理';
        $goods_id = input('id',0);
        $code = input('code','');
        $status = input('status',0);
        $this->goods_id = $goods_id;
        $query = $this->_query($this->table)->alias('c')
            ->field('c.*,m.name as user_name')
            ->join('store_member m','m.id=c.user_id','LEFT')
            ->where('c.goods_id',$goods_id);
        if($code) $query->where('c.code',$code);
        if($status) $query->where('c.status',$status);
        $query->order('status asc , id desc')->page();
    }

    /**
     * 数据列表处理
     * @auth true
     * @menu true
     * @param array $data
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\ModelNotFoundException
     * @throws \think\exception\DbException
     */
    protected function _index_page_filter(&$data)
    {
        foreach ($data as $k=>&$v){

        }
    }


    /**
     * 添加兑换码
     * @auth true
     * @menu true
     * @throws \think\Exception
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\ModelNotFoundException
     * @throws \think\exception\DbException
     * @throws \think\exception\PDOException
     */
    public function add()
    {
        $this->title = '添加兑换码';
        $goods_id = input('goods_id',0);
        $this->goods_id = $goods_id;
        $this->_form($this->table, 'form');
    }


    /**
     * 表单数据处理
     * @auth true
     * @menu true
     * @param array $data
     */
    protected function _form_filter(&$data)
    {
        if($this->request->post() &&  $this->request->action() == 'add'){
            $code_arr=[];
            for($i=0;$i< $data['num'];$i++){
                $code_str = $this->getRegisterCode($data['goods_id']);
                $code_arr[] = [
                    'code' => $code_str,
                    'goods_id' => $data['goods_id'],
                ];
            }
            Db::table('goods_code')->insertAll($code_arr);
            $this->success('添加成功！');
        }
    }


    /**
     * @auth true
     * @menu true
     * 兑换码下架
     */
    public function del()
    {
        $this->_delete($this->table);
    }


    public function getRegisterCode($goods_id)
    {
        $length = 13;
        $base_code = explode(',',"A,B,C,D,E,F,G,H,J,K,L,0,1,2,3,4,5,6,7,8,9,M,N,P,Q,R,S,T,U,V,W,X,Y,Z");
        $id_length = strlen($goods_id);
        $code_key = array_rand($base_code, $length - $id_length);
        $code_str = '';
        array_map(function ($val)use (&$code_str,$base_code){
            $code_str .=$base_code[$val] ;
        },$code_key);
        return $code_str.$goods_id;
    }


}