<?php
namespace Api\Controller;
use Common\Controller\ApiController;
class TestController extends ApiController {
    public function __construct(){
        parent::__construct();
    }
    
    //设置测试章节
    public function add(){
        $partId = I('part_id');
        $courseId = I('course_id');
        if (empty($partId)){
            $data = array('code'=>1,'msg'=>'章节ID错误');
            $this->returnData($data);exit;
        }
        if (empty($courseId) || $courseId<1000000){
            $data = array('code'=>1,'msg'=>'课程ID错误');
            $this->returnData($data);exit;
        }
        $info = M('TestPart')->where(array('course_id'=>$courseId,'user_id'=>$this->userId))->field('tp_id')->find();
        if ($info==NULL){
            M('TestPart')->add(array('course_id'=>$courseId,'user_id'=>$this->userId,'part_id'=>$partId,'operate_dt'=>time()));
        }else {
            M('TestPart')->where(array('tp_id'=>$info['tp_id']))->save(array('part_id'=>$partId));
        }
        $data = array('code'=>0,'msg'=>'设置章节成功');
        $this->returnData($data);exit;
    }
    
    //获取测试题目
    public function index(){
        $num = I('num');
        $partId = I('part_id');
        //1中文填词，2英文填意，3英文选词，4听音选意，5完形填空
        $testType = I('test_type');
        $courseId = I('course_id');
        if (empty($partId)){
            $data = array('code'=>1,'msg'=>'章节ID错误');
            $this->returnData($data);exit;
        }
        if (empty($courseId) || $courseId<1000000){
            $data = array('code'=>1,'msg'=>'课程ID错误');
            $this->returnData($data);exit;
        }
        if (!in_array($testType, array(1,2,3,4,5,6))){
            $data = array('code'=>1,'msg'=>'题型错误');
            $this->returnData($data);exit;
        }
        if ($testType==3){
            $data = array('code'=>1,'msg'=>'即将推出');
            $this->returnData($data);exit;
        }
        /* if ($num==0){
            $num = M('Words')->where(array('course_id'=>$courseId))->count();
        } */
        if ($num<20){
            $data = array('code'=>1,'msg'=>'题量不能少于20');
            $this->returnData($data);exit;
        }
        $partInfo = M('UserWords')->where(array('course_id'=>$courseId,'user_id'=>$this->userId))->field('user_part')->find();
        if ($partInfo==NULL){
            $partInfo['user_part'] = 15;
        }
        $total = M('Words')->where(array('course_id'=>$courseId))->count();
        //每章节单词数量(10/3)=4      3,3,3,1
        $partWordsNum = ceil($total/$partInfo['user_part']);
        $partArr = explode(',', trim($partId,','));
        sort($partArr);
        //每章节获取单词数量(6/4)=1  2,2,1,1
        $partNum = floor($num/count($partArr));
        $number = $num - $partNum*count($partArr);
        //章节数大于出题数，每章节获取一个单词
        if ($partNum==0){
            $partNum = 1;
            $partWordsNum = $num;
            $number = 0;
        }
        
        /* if ($testType==3){
            $wordsInfo = M('Words')->where(array('course_id'=>$courseId,'similar_en'=>array('neq','')))->order('words_id asc')->select();
        }else{
            $wordsInfo = M('Words')->where(array('course_id'=>$courseId))->order('words_id asc')->select();
        } */
        $wordsSortInfo = M('WordsSort')->where(array('course_id'=>$courseId,'user_id'=>$this->userId,'sort_status'=>1))->field('word_ids')->find();
        if ($wordsSortInfo==NULL){
            $orderby = 'words_id asc';
        }else{
            $orderby = 'field(words_id,'. $wordsSortInfo['word_ids'] .')';
        }
        //$wordsInfo = M('Words')->where(array('course_id'=>$courseId,'words_voice1|words_voice2'=>array('NEQ','')))->order($orderby)->select();
        $wordsInfo = M('Words')->where(array('course_id'=>$courseId))->order($orderby)->select();
        if ($wordsInfo==NULL){
            $data = array('code'=>0,'msg'=>'','data'=>array());
            $this->returnData($data);exit;
        }
        $wordsList = array();
        for($i=1;$i<=$partWordsNum;$i++){
            if (in_array($i, $partArr)){
                $page = ($i-1)*$partInfo['user_part'];
                //截取每章节单词
                $partWordsList = array_slice($wordsInfo,$page,$partInfo['user_part']);
                //随机获取指定数量的单词
                if ($number>0){
                    $n = $partNum+1;
                    if ($n<count($partWordsList)){
                        $keys = array_rand($partWordsList,$n);
                    }
                    //echo $n,'---',count($partWordsList),'---',count($keys),'<br/>';
                }else{
                    //echo $partNum,'<br/>';
                    $n = $partNum;
                    if ($n<count($partWordsList)){
                        $keys = array_rand($partWordsList,$n);
                    }
                }
                if ($n<count($partWordsList)){
                    if (is_array($keys)){
                        foreach ($keys as $k){
                            $wordsList[] = $partWordsList[$k];
                        }
                    }else{
                        $wordsList[] = $partWordsList[$keys];
                    }
                }else{
                    foreach ($partWordsList as $row){
                        $wordsList[] = $row;
                    }
                }
                $number--;
            }
        }
        $this->getWords($wordsList,$courseId,$testType);
    }
    
    //获取特殊课程测试题目
    public function specialIndex(){
        $num = I('num');
        $partId = I('part_id');
        //1中文填词，2英文填意，3英文选词，4听音选意，5完形填空
        $testType = I('test_type');
        $courseId = I('course_id');
        if (empty($partId)){
            $data = array('code'=>1,'msg'=>'章节ID错误');
            $this->returnData($data);exit;
        }
        if (empty($courseId) || $courseId<1000000){
            $data = array('code'=>1,'msg'=>'课程ID错误');
            $this->returnData($data);exit;
        }
        if (!in_array($testType, array(1,2,3,4,5,6))){
            $data = array('code'=>1,'msg'=>'题型错误');
            $this->returnData($data);exit;
        }
        if ($testType==3){
            $data = array('code'=>1,'msg'=>'即将推出');
            $this->returnData($data);exit;
        }
        /* if ($num==0){
         $num = M('Words')->where(array('course_id'=>$courseId))->count();
         } */
        if ($num<20){
            $data = array('code'=>1,'msg'=>'题量不能少于20');
            $this->returnData($data);exit;
        }
        $partArr = explode(',', trim($partId,','));
        sort($partArr);
        $wordsInfo = M('Words')->where(array('course_id'=>$courseId,'operate_dt'=>array('IN',$partArr)))->order('rand()')->limit($num)->select();
        if ($wordsInfo==NULL){
            $data = array('code'=>0,'msg'=>'','data'=>array());
            $this->returnData($data);exit;
        }
        $this->getWords($wordsInfo,$courseId,$testType);
    }
    
    //特殊课程章节测试
    public function specialPart(){
        $partId = I('part_id');
        //1中文填词，2英文填意，3英文选词，4听音选意，5完形填空
        $testType = I('test_type');
        $courseId = I('course_id');
        if (empty($partId)){
            $data = array('code'=>1,'msg'=>'章节ID错误');
            $this->returnData($data);exit;
        }
        if (empty($courseId) || $courseId<1000000){
            $data = array('code'=>1,'msg'=>'课程ID错误');
            $this->returnData($data);exit;
        }
        if ($testType==3){
            $data = array('code'=>1,'msg'=>'即将推出');
            $this->returnData($data);exit;
        }
        $wordsInfo = M('Words')->where(array('course_id'=>$courseId,'operate_dt'=>$partId))->order('rand()')->select();
        if ($wordsInfo==NULL){
            $data = array('code'=>0,'msg'=>'','data'=>array());
            $this->returnData($data);exit;
        }
        $this->getWords($wordsInfo,$courseId,$testType);
    }
    
    //章节测试
    public function part(){
        $partId = I('part_id');
        //1中文填词，2英文填意，3英文选词，4听音选意，5完形填空
        $testType = I('test_type');
        $courseId = I('course_id');
        if (empty($partId)){
            $data = array('code'=>1,'msg'=>'章节ID错误');
            $this->returnData($data);exit;
        }
        if (empty($courseId) || $courseId<1000000){
            $data = array('code'=>1,'msg'=>'课程ID错误');
            $this->returnData($data);exit;
        }
        if ($testType==3){
            $data = array('code'=>1,'msg'=>'即将推出');
            $this->returnData($data);exit;
        }
        $partInfo = M('UserWords')->where(array('course_id'=>$courseId,'user_id'=>$this->userId))->field('user_part')->find();
        if ($partInfo==NULL){
            $partInfo['user_part'] = 15;
        }
        $total = M('Words')->where(array('course_id'=>$courseId))->count();
        //每章节单词数量(10/3)=4      3,3,3,1
        $partWordsNum = ceil($total/$partInfo['user_part']);
        if ($testType==3){
            $wordsInfo = M('Words')->where(array('course_id'=>$courseId,'similar_en'=>array('neq','')))->order('words_id asc')->select();
        }else if($testType==5){
            $wordsInfo = M('Words')->where(array('course_id'=>$courseId,'jz_en1|jz_en2|jz_en3'=>array('neq','')))->order('words_id asc')->select();
        }else{
            $wordsInfo = M('Words')->where(array('course_id'=>$courseId))->order('words_id asc')->select();
        }
        if ($wordsInfo==NULL){
            $data = array('code'=>0,'msg'=>'','data'=>array());
            $this->returnData($data);exit;
        }
        $wordsList = array();
        for($i=1;$i<=$partWordsNum;$i++){
            if ($i == $partId){
                $page = ($i-1)*$partInfo['user_part'];
                //截取每章节单词
                $partWordsList = array_slice($wordsInfo,$page,$partInfo['user_part']);
                shuffle($partWordsList);
            }
        }
        $this->getWords($partWordsList,$courseId,$testType);
    }
    
    private function getWords($wordsList,$courseId,$testType){
        //生成错误项
        $wordsKeys = array('words_n','words_pron','words_adj','words_num','words_v','words_adv','words_art','words_prep','words_conj','words_int','words_vt','words_vi','words_other',);
        $returnData = array();
        foreach ($wordsList as $key=>$row){
            if ($testType==1){
                $returnData[$key]['words_id'] = $row['words_id'];
                $returnData[$key]['words_text'] = $this->getWordsText1($row,$testType);
                $returnData[$key]['words_title'] = $row['words_name'];
            }else if($testType==2){
                $returnData[$key]['words_id'] = $row['words_id'];
                $returnData[$key]['words_text'] = $this->getWordsText1($row,$testType);
                $returnData[$key]['words_title'] = $row['words_name'];
            }else if($testType==3){
                if (empty($row['similar_en'])){
                    continue;
                }
                $keyName = '';
                foreach ($wordsKeys as $keys){
                    if (!empty($row[$keys])){
                        $keyName = $keys;
                        break;
                    }
                }
                //$condition = array('course_id'=>$courseId,'words_id'=>array('NEQ',$row['words_id']),$keyName=>array('neq',''),'similar_en'=>array('neq',''),);
                $condition = array('words_name'=>array('NEQ',$row['words_name']),$keyName=>array('neq',''),'store_id'=>array('IN',array(17,16,14,13,12,11)),);
                $subArr = $this->subString($row['words_name']);
                if (!empty($subArr[0])){
                    $condition['words_name'] = array('LIKE',$subArr[0].'%');
                }
                if (!empty($subArr[1])){
                    $condition['words_name'] = array('LIKE','%'.$subArr[1].'%');
                }
                if (!empty($subArr[2])){
                    $condition['words_name'] = array('LIKE','%'.$subArr[2].'%');
                }
                //$errorInfo = M('Words')->where($condition)->order('rand()')->limit(3)->select();
                $errorInfo = M('StoreWords')->where($condition)->order('store_id desc,rand()')->limit(3)->select();
                $errorInfo[3] = $row;
                $returnData[$key] = $this->getStore($errorInfo, $testType);
                $returnData[$key]['words_id'] = $row['words_id'];
                $returnData[$key]['words_title'] = $row['similar_en'];
            }else if($testType==4){
                $keyName = '';
                foreach ($wordsKeys as $keys){
                    if (!empty($row[$keys])){
                        $keyName = $keys;
                        break;
                    }
                }
                //$condition = array('course_id'=>$courseId,'words_voice1|words_voice2'=>array('NEQ',''),$keyName=>array('neq',''),'words_id'=>array('NEQ',$row['words_id']));
                $condition = array('words_name'=>array('NEQ',$row['words_name']),$keyName=>array('neq',''),'store_id'=>array('IN',array(17,16,14,13,12,11)),);
                $subArr = $this->subString($row['words_name']);
                if (!empty($subArr[0])){
                    $condition['words_name'] = array('LIKE',$subArr[0].'%');
                }
                if (!empty($subArr[1])){
                    $condition['words_name'] = array('LIKE','%'.$subArr[1].'%');
                }
                if (!empty($subArr[2])){
                    $condition['words_name'] = array('LIKE','%'.$subArr[2].'%');
                }
                //$errorInfo = M('Words')->where($condition)->order('rand()')->limit(3)->select();
                $errorInfo = M('StoreWords')->where($condition)->order('store_id desc,rand()')->limit(3)->select();
                $errorInfo[3] = $row;
                $returnData[$key] = $this->getStore($errorInfo, $testType);
                $returnData[$key]['words_id'] = $row['words_id'];
                $returnData[$key]['words_title'] = $row['words_voice1'];
                //判断读音是否空
                if (empty($row['words_read1'])){
                    $returnData[$key]['words_title'] = $row['words_voice2'];
                }
                if (empty($returnData[$key]['words_title'])){
                    unset($returnData[$key]);
                }
            }elseif($testType==5){
                $keyName = '';
                foreach ($wordsKeys as $keys){
                    if (!empty($row[$keys])){
                        $keyName = $keys;
                        break;
                    }
                }
                if (empty($row['jz_en1'])){
                    if (!empty($row['jz_en2'])){
                        $row['jz_en1'] = $row['jz_en2'];
                    }else if(!empty($row['jz_en3'])){
                        $row['jz_en1'] = $row['jz_en3'];
                    }else{
                        continue;
                    }
                }
                //$condition = array('course_id'=>$courseId,'words_id'=>array('NEQ',$row['words_id']),$keyName=>array('neq',''),'jz_en1'=>array('neq',''),);
                $condition = array('words_name'=>array('NEQ',$row['words_name']),$keyName=>array('neq',''),'store_id'=>array('IN',array(17,16,14,13,12,11)),);
                $subArr = $this->subString($row['words_name']);
                if (!empty($subArr[0])){
                    $condition['words_name'] = array('LIKE',$subArr[0].'%');
                }
                if (!empty($subArr[1])){
                    $condition['words_name'] = array('LIKE','%'.$subArr[1].'%');
                }
                if (!empty($subArr[2])){
                    $condition['words_name'] = array('LIKE','%'.$subArr[2].'%');
                }
                //$errorInfo = M('Words')->where($condition)->order('rand()')->limit(3)->select();
                $errorInfo = M('StoreWords')->where($condition)->order('store_id desc,rand()')->limit(3)->select();
                $errorInfo[3] = $row;
                $returnData[$key] = $this->getStore($errorInfo, $testType);
                $returnData[$key]['words_id'] = $row['words_id'];
                $flag = true;
                $jzEnNew = array();
                $jzEn = explode(' ', $row['jz_en1']);
                $i = 0;
                foreach ($jzEn as $val){
                    $wordsVal = str_replace(array('.','?','!',',',':',';','-','"',"'",'(',')','{','}','[',']'),'',$val);
                    if (strtolower($row['words_name'])==strtolower($val)){
                        $flag = false;
                        if ($i==0){
                            $jzEnNew[] = '______';
                        }else{
                            $jzEnNew[] = $val;
                        }
                        $i++;
                    }else{
                        $jzEnNew[] = $val;
                    }
                }
                if ($flag){
                    $pos = strpos($row['jz_en1'], $row['words_name']);
                    if ($pos === false) {
                        $returnData[$key]['words_title'] = $row['jz_en1'];
                    }else{
                        $returnData[$key]['words_title'] = substr_replace($row['jz_en1'], '______', $pos, strlen($row['words_name']));
                    }
                    //$returnData[$key]['words_title'] = str_replace($row['words_name'], '______', $row['jz_en1']);
                }else{
                    $returnData[$key]['words_title'] = implode(' ', $jzEnNew);
                }
                //$returnData[$key]['words_title'] = $row['jz_en1'];
                //$returnData[$key]['words_name'] = $row['words_voice1'];
            }
        }
        $returnNewData = array();
        foreach ($returnData as $r){
            $returnNewData[] = $r;
        }
        $data = array('code'=>0,'msg'=>'','data'=>$returnNewData);
        $this->returnData($data);exit;
    }
    
    private function getStore($info, $testType){
        $total = count($info);
        if ($total!=4){
            $limit = 4-$total;
            $condition = array('words_id'=>array('NEQ',$info[3]['words_id']),'jz_en1'=>array('neq',''),);
            $res = M('Words')->where($condition)->order('rand()')->limit($limit)->select();
            if ($limit==1){
                $info[2] = $res[0];
            }else if($limit==2){
                $info[2] = $res[0];
                $info[1] = $res[1];
            }else if($limit==1){
                $info[2] = $res[0];
                $info[1] = $res[1];
                $info[0] = $res[2];
            }
        }
        //1中文填词，2英文填意，3英文选词，4听音选意，5完形填空
        $wordsKey = array('a','b','c','d');
        $wordsArr = array();
        foreach ($info as $k=>$r){
            if ($testType==1){
                $wordsArr[$wordsKey[$k]] = $this->getWordsText1($r);
            }elseif ($testType==3){
                $wordsArr[$wordsKey[$k]] = $r['words_name'];
            }elseif ($testType==4){
                //$wordsArr[$wordsKey[$k]] = $r['words_name'];
                $wordsArr[$wordsKey[$k]] = $this->getWordsText1($r,4);
            }elseif ($testType==5){
                $wordsArr[$wordsKey[$k]] = $r['words_name'];
            }elseif ($testType==6){
                
            }
        }
        shuffle($wordsKey);
        $wordsNewArr = array();
        foreach ($wordsKey as $char){
            $wordsNewArr[] = $wordsArr[$char];
        }
        $rightKey = array_search('d', $wordsKey);
        $returnData = array(
            'key'=>$rightKey+1,
            'words_text' =>$wordsNewArr,
        );
        return $returnData;
    }
    
    public function subString($word){
        $firstNum = substr($word, 0, 1);
        $otherNum = substr($word, 1);
        $otherArr = array();
        if(strlen($otherNum)>0){
            $otherArr = str_split($otherNum,1);
            $otherArr = array_unique($otherArr);
        }
        if (strlen($otherNum)>5) {
            $keys = array_rand($otherArr,2);
            $twoNum = $otherArr[$keys[0]];
            $threeNum = $otherArr[$keys[1]];
        }else if (strlen($otherNum)>1) {
            $keys = array_rand($otherArr,1);
            $twoNum = $otherArr[$keys[0]];
            $threeNum = '';
        }else if(strlen($otherNum)==1){
            $twoNum = $otherNum;
            $threeNum = '';
        }else{
            $twoNum = '';
            $threeNum = '';
        }
        return array($firstNum,$twoNum,$threeNum);
    }
}