<?php
namespace Admin\Controller;
use Common\Controller\AdminController;
class CourseController extends AdminController {
    public function __construct(){
        parent::__construct();
    }
    //课程列表
    public function index(){
        $sort = I('sort','1');
        $courseStatus = I('course_status','');
        $courseType = I('course_type','');
        $keyword = I('get.keyword','');
        $condition = array('is_delete'=>1,'course_source'=>1,'course_flag'=>1);
        $orderList = array(
            1=>array('operate_dt desc','时间倒序',1),
            2=>array('operate_dt asc','时间正序',2),
            3=>array('course_join desc','加入量倒序',3),
            4=>array('course_join asc','加入量倒序',4),
        );
        $statusList = array('全部状态',1=>'编辑中',2=>'未审核',3=>'已上架');
        $orderby = $orderList[$sort][0];
        if (!empty($keyword)){
            $condition['course_id|course_name'] = array('LIKE','%'.$keyword.'%');
        }
        if (!empty($courseStatus)){
            $condition['course_status'] = $courseStatus;
        }
        if (!empty($courseType)){
            $condition['course_type'] = $courseType;
        }
        $this->assign('sort',$sort);
        $this->assign('orderby',$orderby);
        $this->assign('keyword',$keyword);
        $this->assign('orderList',$orderList);
        $this->assign('statusList',$statusList);
        $this->assign('courseType',$courseType);
        $this->assign('courseStatus',$courseStatus);
        //课程类型
        $typeRes = M('CourseType')->where(array('is_delete'=>1))->field('type_id,type_name')->select();
        $typeList = array();
        foreach ($typeRes as $type){
            $typeList[$type['type_id']] = $type['type_name'];
        }
        $count = M('Course')->where($condition)->count();
        //分页
        $Page = new \Think\Page($count);
        $show = $Page->show();
        $courseList = M('Course')->where($condition)->order($orderby)->limit($Page->firstRow.','.$Page->listRows)->select();
        $this->assign('page',$show);
        $this->assign('list',$courseList);
        $this->assign('typeList',$typeList);
        $this->display();
    }
    //修改课程状态
    public function status(){
        $courseId = I('course_id','');
        $courseStatus = I('course_status','');
        if (empty($courseId) || $courseId<1000000){
            $this->error("课程ID错误",'/admin/course/index');
        }
        M('Course')->where(array('course_id'=>$courseId))->save(array('course_status'=>$courseStatus));
        $this->success('课程状态修改成功','/admin/course/index');
    }
    //删除课程
    public function del(){
        $courseId = I('course_id','');
        if (empty($courseId) || $courseId<1000000){
            $this->error("课程ID错误",'/admin/course/index');
        }
        $info = M('Course')->where(array('course_id'=>$courseId))->field('course_type,course_name')->find();
        M('CourseType')->where(array('type_id'=>$info['course_type']))->setDec('type_num');
        $res = M('TitleNum')->where(array('title_name'=>$info['course_name']))->field('title_id,title_num')->find();
        if ($res!=NULL && $res['title_num']>1){
            M('TitleNum')->where(array('title_id'=>$res['title_id']))->setDec('title_num');
        }else if($res!=NULL && $res['title_num']==1){
            M('TitleNum')->where(array('title_id'=>$res['title_id']))->delete();
        }
        M('Course')->where(array('course_id'=>$courseId))->delete();
        $this->success('课程删除成功','/admin/course/index');
    }
    //编辑课程
    public function edit(){
        $step = I('step','');
        $courseId = I('course_id','');
        if (empty($step)){
            $info = array();
            if (!empty($courseId)){
                $info = M('Course')->where(array('course_id'=>$courseId))->find();
            }
            $typeList = M('CourseType')->where(array('is_delete'=>1))->field('type_id,type_name')->select();
            $this->assign('info',$info);
            $this->assign('typeList',$typeList);
            $this->display();
        }else if($step==2){
            $courseType = I('course_type','');
            $courseName = I('course_name','');
			$courseIntro = I('course_intro','');
            if ( mb_strlen($courseName,'UTF8')>12){
                $this->error('课程名称小于30个汉字');
            }
			if ( mb_strlen($courseIntro,'UTF8')>300){
                $this->error('课程介绍小于300个汉字');
            }
            $res = M('Course')->where(array('course_name'=>$courseName,'is_delete'=>1))->field('course_id')->find();
            //新增
            if (empty($courseId) && $res!=NULL){
                $courseName = $this->getCourseName($courseName);
            }
            //更新
            if (!empty($courseId) && $courseId!=$res['course_id']){
                $courseName = $this->getCourseName($courseName);
            }
            if (empty($courseId)){
				$data=array('course_type'=>$courseType,'course_name'=>$courseName,'course_intro'=>$courseIntro,'operate_dt'=>time());
                M('Course')->add($data);
                M('CourseType')->where(array('type_id'=>$courseType))->setInc('type_num');
				$info = M('Course')->where($data)->find();
				$courseId=$info['course_id'];
            }else{
                M('Course')->where(array('course_id'=>$courseId))->save(array('course_type'=>$courseType,'course_name'=>$courseName,'course_intro'=>$courseIntro));
            }
            $this->success('课程操作成功','/admin/course/detail?course_id='.$courseId);
        }
    }
    
	//单词导入
    public function import(){
        $step = I('step','');
        $courseId = I('course_id','');
        if (empty($step)){
            $info = array();
            if (!empty($courseId)){
                $info = M('Course')->where(array('course_id'=>$courseId))->find();
            }
            $Course = M('Course')->where(array('is_delete'=>1,'course_flag'=>1,'course_source'=>1))->field('*')->order("course_id desc")->select();
            $this->assign('info',$info);
            $this->assign('Course',$Course);
            $this->display();
        }else if($step==2){
			$json=array();
			$json['course_id']=$courseId;
			if(is_uploaded_file($_FILES['file']['tmp_name'])){
				$upfile=$_FILES["file"];
				$filename=$upfile['name'];
				$tmp_name=$upfile["tmp_name"];//上传文件的临时存放路径
				$arr = pathinfo($filename);
				$ext_suffix = $arr['extension'];
				$allow_suffix = array('zip');
				if(!in_array($ext_suffix, $allow_suffix)){
					$res=array('code'=>1,'msg'=>'仅支持zip文件');
					echo json_encode($res);
					die;
				}
				$new_filename = date('YmdHis',time()).rand(100,1000).'.'.$ext_suffix;
			
				
				if (move_uploaded_file($tmp_name, './Uploads/zip/'.$new_filename)){
					$json['file']=$new_filename;
				}else{
					$res=array('code'=>1,'msg'=>'上传失败');
					echo json_encode($res);
					die;
				}	
			}
			else{
				$res=array('code'=>1,'msg'=>'请选择文件');
				echo json_encode($res);
				die;
			}
			$arr['json']=json_encode($json);
			$arr['operate_dt']=time();
			M('import')->add($arr);
			$r=M('import')->limit('0,1')->order('id desc')->where($arr)->find();
            $res=array('code'=>0,'data'=>$r);
			echo json_encode($res);
        }
    }
	public function task(){
		$id = I('id','');
		$r=M('import')->limit('0,1')->order('id desc')->where(array('id'=>$id))->find();
		if($r){
			$res=array('code'=>0,'data'=>$r);
			echo json_encode($res);
		}else{
			$res=array('code'=>1,'msg'=>'未知错误');
			echo json_encode($res);
		}
	}
	
    //获取课程名称相同时，新的课程名称
    private function getCourseName($courseName){
        $course = M('Course')->where(array('course_name'=>$courseName,'is_delete'=>1))->field('course_id')->find();
        $res = M('TitleNum')->where(array('title_name'=>$courseName))->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;
    }
    
    //获取课程的单词列表
    public function detail(){
        $courseId = I('course_id','');
        if (empty($courseId) || $courseId<1000000){
            $this->error("课程ID错误",'/admin/course/index');
        }
        $keyword = I('get.keyword','');
        $condition = array('is_delete'=>1,'course_id'=>$courseId);
        if (!empty($keyword)){
            $condition['words_name'] = array('LIKE','%'.$keyword.'%');
        }
        $count = M('Words')->where($condition)->count();
        //分页
        $Page = new \Think\Page($count);
        $show = $Page->show();
        $wordsRes = M('Words')->where($condition)->field()->order('words_id desc')->limit($Page->firstRow.','.$Page->listRows)->select();
        $wordsList = array();
        foreach ($wordsRes as $row){
            $wordsList[] = array(
                'words_id' => $row['words_id'],
                'course_id' => $row['course_id'],
                'words_name' => $row['words_name'],
                'words_voice' => $row['words_voice'],
                'words_read' => $row['words_read'],
                'operate_dt' => $row['operate_dt'],
                'words_text' => $this->getWordsText($row),
            );
        }
		$info = M('Course')->where(array('course_id'=>$courseId))->find();
		$res = M('course_reply')->join('left join t_user as a on a.user_id = t_course_reply.user_id')->join('left join t_user as b on b.user_id = t_course_reply.reply_user_id')->join('left join t_course_reply_praise on t_course_reply_praise.cr_id = t_course_reply.cr_id')->where(array('t_course_reply.is_delete'=>1,'t_course_reply.reply_cr_id'=>0,'t_course_reply.course_id'=>$courseId))->group('t_course_reply.cr_id')->field('t_course_reply.*,a.user_name,a.user_icon,b.user_name as reply_user_name,count(t_course_reply_praise.cr_id) as praise')->order('t_course_reply.operate_dt desc')->select();
		$arr=array();
		foreach($res as $k=>$v){
			if(!$v['cr_id']){
				unset($res[$k]);
			}else{
				$res[$k]['operate_dt']=date("Y-m-d H:i:s",$v['operate_dt']);
				$arr[]=$v['cr_id'];
				$res[$k]['reply_list']=array();
			}
		}
		if($arr){
			$res2 = M('course_reply')->join('left join t_user as a on a.user_id = t_course_reply.user_id')->join('left join t_user as b on b.user_id = t_course_reply.reply_user_id')->join('left join t_course_reply_praise on t_course_reply_praise.cr_id = t_course_reply.cr_id')->where("t_course_reply.course_id='$courseId' and t_course_reply.is_delete=1 and t_course_reply.reply_cr_id in ( ".implode(',',$arr).")" )->group('t_course_reply.cr_id')->field('t_course_reply.*,a.user_name,a.user_icon,b.user_name as reply_user_name,count(t_course_reply_praise.cr_id) as praise')->order('t_course_reply.operate_dt desc')->select();;
		}else{
			$res2=array();
		}
		foreach($res as $k=>$v){
			foreach($res2 as $m=>$n){
				$res2[$m]['operate_dt']=date("Y-m-d H:i:s",$n['operate_dt']);
				if($n['reply_cr_id']==$v['cr_id']){
					$res[$k]['reply_list'][]=$res2[$m];
				}
			}
		}
        $this->assign('page',$show);
        $this->assign('list',$wordsList);
        $this->assign('courseId', $courseId);
		$this->assign('info', $info);
		$this->assign('reply', $res);
        $this->display();
    }
}