<?php


namespace app\admin\controller;


use app\admin\model\Drugs;
use app\admin\model\Role;
use app\admin\model\User_Role;
use app\lib\exception\HtmlException;
use app\lib\validate\DrugsManagerCheck;
use think\Request;
use think\Session;

class DrugsManager extends BaseController
{
    //渲染分页+搜索
    public function index(){
//        $map = [];
        if (Request::instance()->isPost()) {
            $input = Request::instance()->param();
        }
        else {
            $input = Request::instance()->get();
        }
//        if (!empty($input['name'])){
//            $map['register_id'] = $input['registerId'];
//        }
        $drugs = Drugs::where(['name'=>['like',"%{$input['name']}%"]])
            ->paginate(10,false,[
                "query" => [
                    'name' => $input['name'],
                ]
            ]);
        foreach ($drugs as $val){
            if(empty($val['use_amount'])){
                $val['use_amount'] = 0;
            }
            if($val['description'] == NULL){
                $val['description'] = "暂时为空";
            }
        }
        $total = $drugs->total();
        $page = $drugs->render();
        $this->assign('page',$page);
        $this->assign('total',$total);
        $this->assign('name',$input['name']);
        $this->assign('drugs',$drugs);
        return $this->fetch();
    }

    //添加药品
    public function addDrugs(){
        $roleId = Session::get('roleId');
        if($roleId != 1){
            throw new HtmlException('您没有权限进行该操作！');
        }
        if(Request::instance()->isPost()) {
            $input = Request::instance()->param();
//            p($input);die();
            $data = new Drugs([
                'name' => $input['name'],
                'price'=> $input['price'],
                'quantity' => $input['quantity'],
                'description' => $input['description'],
            ]);
            $data->save();
            if ($data === false)
                return $this->error('添加失败');
            return $this->success('添加成功');
        }
        return $this->fetch();
    }

    //查看药品详细信息
    public function check(){
        $input = Request::instance()->param();
//        p($input);die();
        $drugs = Drugs::where($input)->find();
        if(empty($drugs['use_amount'])){
            $drugs['use_amount'] = 0;
        }
        $this->assign('drugs',$drugs);
        return $this->fetch();
    }

    //修改药品信息
    public function write(){
        $roleId = Session::get('roleId');
        if($roleId != 1){
            throw new HtmlException('您没有权限进行该操作！');
        }
        $id = Request::instance()->param();
        $drugs = Drugs::where($id)->find();
        if(empty($drugs['use_amount'])){
            $drugs['use_amount'] = 0;
        }
        if(Request::instance()->isPost()){
            $data = [];
            $input = Request::instance()->param();
            $drugsInfo = Drugs::where(['id'=>$input['id']])->find();
            $quantity = $drugsInfo['quantity'];
            if(!empty($input['quantity'])) {
                if ($input['quantity'] == 2) {
                    if ($input['use_amount'] > $drugsInfo['quantity']) {
                        throw new HtmlException("减少的数量大于库存量！");
                    }
                    $quantity = $drugsInfo['quantity'] - $input['use_amount'];
                } else {
                    $quantity = $drugsInfo['quantity'] + $input['use_amount'];
                }
            }
            $data =([
                'name' => $input['name'],
                'price' => $input['price'],
                'description' => $input['description'],
                'quantity' => $quantity
            ]);
            $drugsInfo->save($data);
            if ($drugsInfo === false)
                return $this->error('修改失败');
            return $this->success('修改成功');
        }
        $this->assign('drugs',$drugs);
        return $this->fetch();
    }
}