<?php
namespace app\master\controller;

use think\Controller;
use think\Db;
use think\Validate;

class Medicament extends Controller
{

    protected $article_obj = '';
    protected $medicament_obj = '';
    protected $article_to_medicament_obj = '';

    public function __construct(\think\Request $request = null)
    {
        parent::__construct($request);
        $this->article_obj = Db::name('article');
        $this->medicament_obj = Db::name('medicament');
        $this->article_to_medicament_obj = Db::name('ArticleToMedicament');
    }


    /**
     * 增加文章药剂项
     */
    public function addMedicament()
    {
        $data = $this->request->post();
        // 验证规则
        $rule = new Validate([
            'article_id' => 'require|number',
            'med_title' => 'require',
            'med_ename' => 'require'
        ]);
        if (!$rule->check($data)) {
            return jsonError($rule->getError());
        }

        $article_info = $this->article_obj->where('article_id', $data['article_id'])->find();

        //检测当前药剂是否存在
        $med_check = $this->medicament_obj
            ->where("med_title = '".trim($data['med_title'])."' or med_ename = '".trim($data['med_ename'])."'")
            ->where('med_state',0)
            ->find();
        if($med_check){
            return json(['code'=>2,'data'=>$med_check]);
        }

        //添加药剂信息
        $insert_med['med_title'] = trim($data['med_title']);
        $insert_med['med_ename'] = trim($data['med_ename']);
        $insert_med['med_ctime'] = time();
        $med_id = $this->medicament_obj->insertGetId($insert_med);

        //添加文章对应关系
        $insert_atm['article_id'] = $data['article_id'];
        $insert_atm['med_id'] = $med_id;
        $this->article_to_medicament_obj->insert($insert_atm);

        return jsonSuccess([]);
    }

    /**
     * 添加已存在药剂的归属对应关系
     */
    public function addMedicamentHas(){
        $data = $this->request->post();
        // 验证规则
        $rule = new Validate([
            'article_id' => 'require|number',
            'med_id' => 'require'
        ]);
        if (!$rule->check($data)) {
            return jsonError($rule->getError());
        }

        $insert_atm['article_id'] = $data['article_id'];
        $insert_atm['med_id'] = $data['med_id'];
        $this->article_to_medicament_obj->insert($insert_atm);
        return jsonSuccess([]);
    }

    /**
     * 删除药剂话题与文章对应关系
     */
    public function delMedicament(){
        $data = $this->request->post();
        $rule = new Validate([
            'article_id'=>'require'
        ]);
        if(!$rule->check($data)){
            return jsonError($rule->getError());
        }
        $atm_info = $this->article_to_medicament_obj->where('article_id',$data['article_id'])->where('atm_state',0)->find();
        //确定此关联的药剂话题项目是否有其他关联文章，决定是否删除连带的药剂话题
        $check = $this->article_to_medicament_obj->where('med_id',$atm_info['med_id'])->where('atm_id','<>',$atm_info['atm_id'])->where('atm_state',0)->find();
        if($check==null){
            $this->medicament_obj->where('med_id',$atm_info['med_id'])->update(['med_state'=>1]);
        }
        $this->article_to_medicament_obj->where('article_id',$data['article_id'])->where('atm_state',0)->update(['atm_state'=>1]);
        return jsonSuccess([]);
    }

    
}