<?php
namespace Api\Controller;
use Common\Controller\ApiController;
class NotepadController extends ApiController {
    public function __construct(){
        parent::__construct();
    }
    
    //自由记列表
    public function index(){
        $sort = I('sort',1);
        $lastId = I('last_id',0);
        $pageSize = I('page_size',10);
        $keyword = I('keyword','');
        $condition = array('course_status'=>3,'course_flag'=>2);
        if (!empty($keyword)){
            $condition['course_name'] = array('LIKE','%'.$keyword.'%');
        }
        if ($lastId>0){
            $condition['course_id'] = array('LT',$lastId);
        }
        $orderby = '';
        if ($sort==1){
            $orderby = 'course_join desc';
        }else if($sort==2){
            $orderby = 'course_id desc';
        }
        $res = D('Notepad')->getNotepadList($condition, $pageSize, $orderby);
        if ($res!=NULL){
            $userWordsRes = $this->square();
            foreach ($res as $key=>$row){
                if (in_array($row['course_id'], $userWordsRes) || $row['user_id']==$this->userId){
                    $res[$key]['is_add'] = 1;
                }else{
                    $res[$key]['is_add'] = 0;
                }
            }
        }
        if ($res==NULL && $lastId>0){
            $data = array('code'=>0,'msg'=>'无更多数据','data'=>array());
            $this->returnData($data);exit;
        }
        $data = array('code'=>0,'msg'=>'','data'=>$res);
        $this->returnData($data);exit;
    }
    
    //获取已经添加的课程或者自由记
    private function square($uwType=0){
        $condition = array('user_id'=>$this->userId);
        if (!empty($uwType)){
            $condition['uw_type'] = $uwType;
        }
        $res = M('UserWords')->where($condition)->field('course_id')->select();
        if ($res==NULL){
            return array();
        }
        $arr = array();
        foreach ($res as $r){
            $arr[] = $r['course_id'];
        }
        return $arr;
    }
    
    //添加自由记到我的自由记
    public function favorite(){
        $courseId = I('course_id');
        if (empty($courseId) || $courseId<1000000){
            $data = array('code'=>1,'msg'=>'自由记ID错误');
            $this->returnData($data);exit;
        }
        $courseInfo = M('Course')->where(array('course_id'=>$courseId,'is_delete'=>1,'course_status'=>3))->field('course_id,user_id')->find();
        if ($courseInfo==NULL){
            $data = array('code'=>1,'msg'=>'自由记信息不存在');
            $this->returnData($data);exit;
        }
        if ($courseInfo['user_id']==$this->userId){
            $data = array('code'=>1,'msg'=>'自己添加的自由记无需添加');
            $this->returnData($data);exit;
        }
        //判断用户是否已经添加过该课程
        $userInfo = M('UserWords')->where(array('course_id'=>$courseId,'is_delete'=>1,'user_id'=>$this->userId))->field('uw_id')->find();
        if ($userInfo!=NULL){
            $data = array('code'=>1,'msg'=>'用户已经添加过该自由记，请勿重复添加');
            $this->returnData($data);exit;
        }
        M('UserWords')->add(array('course_id'=>$courseId,'user_id'=>$this->userId,'operate_dt'=>time()));
        M('Course')->where(array('course_id'=>$courseId))->setInc('course_join');
        $data = array('code'=>0,'msg'=>'已添加至我的自由记中','data'=>'');
        $this->returnData($data);exit;
    }
    //自由记详情
    public function detail(){
        $courseId = I('course_id');
        if (empty($courseId) || $courseId<1000000){
            $data = array('code'=>1,'msg'=>'自由记ID错误');
            $this->returnData($data);exit;
        }
        //$courseInfo = M('Course')->where(array('course_id'=>$courseId,'is_delete'=>1,'course_status'=>3))->field('course_id,course_name,course_content,operate_dt')->find();
        $courseInfo = M('Course')->where(array('course_id'=>$courseId,'is_delete'=>1))->field('user_id,course_id,course_name,course_content,operate_dt')->find();
        if ($courseInfo==NULL){
            $data = array('code'=>1,'msg'=>'自由记信息不存在');
            $this->returnData($data);exit;
        }
        $userWordsRes = $this->square();
        if (in_array($courseInfo['course_id'], $userWordsRes) || $courseInfo['user_id']==$this->userId){
            $courseInfo['is_add'] = 1;
        }else{
            $courseInfo['is_add'] = 0;
        }
        if ($courseInfo['user_id']!=$this->userId){
            $fansInfo = M('Fans')->where(array('user_id'=>$this->userId,'fans_user_id'=>$courseInfo['user_id']))->field('fans_id')->find();
            $courseInfo['is_fans'] = $fansInfo==NULL?0:1;
        }else{
            $courseInfo['is_fans'] = 2;
        }
        $userInfo = M('User')->where(array('user_id'=>$courseInfo['user_id']))->field('user_id,user_name,user_icon')->find();
        $courseInfo['user_icon'] = $userInfo['user_icon'];
        $courseInfo['user_name'] = $userInfo['user_name'];
        $data = array('code'=>0,'msg'=>'','data'=>$courseInfo);
        $this->returnData($data);exit;
    }
    //添加自由记
    public function add(){
        $courseId = I('course_id','');
        $courseName = I('course_name','');
        $courseContent = I('course_content','');
        if (mb_strlen($courseName,'UTF8')<2 || mb_strlen($courseName,'UTF8')>40){
            $data = array('code'=>1,'msg'=>'自由记名称2到40个汉字',);
            $this->returnData($data);exit;
        }
        if (mb_strlen($courseContent,'UTF8')<2 || mb_strlen($courseContent,'UTF8')>10000){
            $data = array('code'=>1,'msg'=>'自由记名称2到10000个汉字',);
            $this->returnData($data);exit;
        }
        if (!empty($courseId)){
            $courseInfo = M('Course')->where(array('course_id'=>$courseId))->field('user_id')->find();
            if ($courseInfo==NULL || $courseInfo['user_id']!=$this->userId){
                $data = array('code'=>1,'msg'=>'暂无权限编辑该自由记',);
                $this->returnData($data);exit;
            }
        }
        $res = M('Course')->where(array('course_name'=>$courseName,'is_delete'=>1))->field('course_id')->find();
        //新增
        if (empty($courseId) && $res!=NULL){
            $courseName = $this->getNotepadName($courseName);
        }
        //更新
        if (!empty($courseId) && $courseId!=$res['course_id']){
            $courseName = $this->getNotepadName($courseName);
        }
        if (empty($courseId)){
            $courseId = M('Course')->add(array('user_id'=>$this->userId,'course_content'=>$courseContent,'course_name'=>$courseName,'course_source'=>2,'course_flag'=>2,'operate_dt'=>time()));
        }else{
            M('Course')->where(array('course_id'=>$courseId))->save(array('course_content'=>$courseContent,'course_name'=>$courseName));
        }
        $noteRes = M('Course')->where(array('course_id'=>$courseId))->field('course_id,course_name,course_content,operate_dt')->find();
        $data = array('code'=>0,'msg'=>'','data'=>$noteRes);
        $this->returnData($data);exit;
    }
    
    //删除自由记
    public function del(){
        $courseId = I('course_id','');
        if (empty($courseId)){
            $data = array('code'=>1,'msg'=>'自由记ID错误');
            $this->returnData($data);exit;
        }
        $courseIds = rtrim($courseIds,',');
        M('UserWords')->where(array('course_id'=>array('IN',$courseId),'user_id'=>$this->userId,))->delete();
        M('Course')->where(array('course_id'=>array('IN',$courseId),'user_id'=>$this->userId,'course_status'=>array('neq',3),))->delete();
        $data = array('code'=>0,'msg'=>'自由记删除成功','data'=>'');
        $this->returnData($data);exit;
    }
    
    //上传到单词广场
    public function upSquare(){
        $courseId = I('course_id','');
        if (empty($courseId)){
            $data = array('code'=>1,'msg'=>'自由记ID错误');
            $this->returnData($data);exit;
        }
        $courseId = rtrim($courseId,',');
        M('Course')->where(array('course_id'=>array('IN',$courseId)))->save(array('course_status'=>2));
        $data = array('code'=>0,'msg'=>'上传成功，请等待管理员审核！','data'=>'');
        $this->returnData($data);exit;
    }
    
    //获取课程名称相同时，新的课程名称
    private function getNotepadName($courseName){
        $course = M('Course')->where(array('course_name'=>$courseName,'is_delete'=>1))->field('course_id')->find();
        $res = M('TitleNum')->where(array('title_name'=>$courseName,'title_source'=>2))->field('title_id,title_num')->find();
        if ($res!=NULL){
            $courseName = $courseName.'('.($res['title_num']+1).')';
            M('TitleNum')->where(array('title_id'=>$res['title_id']))->setInc('title_num');
        }else if($course!=NULL){
            $courseName = $courseName.'('.($res['title_num']+1).')';
            M('TitleNum')->add(array('title_name'=>$courseName,'operate_dt'=>time()));
            //$courseName = $courseName;
        }
        return $courseName;
    }
}