<?php
/**
 * 批量生成物理教师讲案（新版）
 * User: Administrator
 * Date: 2021/3/24
 * Time: 17:57
 */
require_once __DIR__.'/../controllers/TeachingPhysics.php';

class TeachingCommand extends CConsoleCommand
{
    protected $busConnObj = null;//业务数据库连接对象
    protected $busDbTime = 0;//业务数据库连接时间
    protected $schConnObj = null;//学校数据库连接对象
    protected $schDbTime = 0;//学校数据库连接时间
    protected $databaseInfo = array();//学校数据库连接信息
    protected $dbTimeout = 28;//数据库超时时间

    public function init() {
        parent::init();

        @ini_set('memory_limit', '1024M');
        set_time_limit(0);

    }


    public function actionTask($YII_ENV = 'production')
    {

        //需要生成的学校考试
        $schoolRelExam = $this->getNeedSchoolExam();

        if (!$schoolRelExam) {
            $this->showMsg(1, '没有需要处理的考试');
            return '';
        }

        $schoolIds = array_keys($schoolRelExam);
        $this->showMsg(1, '共有' . count($schoolIds) . '个学校需要处理 .....');

        //查询学校数据库连接地址
        $schoolDatabases = $this->getSchoolDatabases($schoolIds);

        foreach ($schoolRelExam as $schoolId => $examRelClass) {
            $this->showMsg(1, '当前学校ID：' . $schoolId . ' .......');

            $this->databaseInfo = isset($schoolDatabases[$schoolId]) ? $schoolDatabases[$schoolId] : array();
            if (!$this->databaseInfo) {
                $this->showMsg(1, '学校ID：' . $schoolId . '没有数据库连接信息');
                continue;
            }
            //连接学校数据库
            $this->schConnObj = null;
            $this->schConnObj = $this->getSchConnObj();
            if (!$this->schConnObj) {
                $this->showMsg(1, '学校ID：' . $schoolId . '数据库连接失败！！！！！');
                continue;
            }

            MyActiveRecord::$schoolId = $schoolId;

            foreach ($examRelClass as $examGroupId => $classAndId) {
                $classStr = $classAndId['class_ids'];
                $tableId = $classAndId['id'];//表主键ID
                $classNameArr = $this->getClassName($classAndId);
                $this->showMsg(1, '当前考试组ID：' . $examGroupId . ' .......');

                $examInfoArr = $this->getNeedExamIds($examGroupId, $classStr);

                if (!$examInfoArr) {
                    $this->showMsg(1, '当前考试组ID：' . $examGroupId . '没有可以生产的教学宝');
                    continue;
                }

                $pdfPathArr = array();
                foreach ($examInfoArr as $examId => $examInfo) {
                    $time = microtime(true);
                    $this->showMsg(1, '当前考试ID：' . $examId . ' .......');

                    //更新生成中状态
                    $bool = $this->updateStatus($tableId, 4);
                    if ($bool === false) {
                        $pdfPathArr = array();
                        break;
                    }

                    echo '开始生成教学宝PDF......' . PHP_EOL;

                    //生成PDF
                    $bool = $this->getPdf($pdfPathArr,$tableId,$schoolId,$examId,$examInfo['class_id']);

                    if ($bool === false) {
                        $pdfPathArr = array();
                        break;
                    }
                    echo '生成一个PDF耗时：' . round(microtime(true) - $time, 2) . 's' . PHP_EOL;
                }

                //打包PDF
                $successArr = array();
                if ($pdfPathArr) {
                    $examName = $examInfo['name'];
                    $filenamePath = dirname(dirname(dirname(__FILE__))) . '/upload/tmpDir/academicr_batch/' . $examGroupId . "/" . $tableId;
                    if (!is_dir($filenamePath)) {
                        if (!mkdir($filenamePath, 0777, true)) {
                            $bool = $this->updateStatus($tableId, 3,'创建压缩文件目录失败: ' . $filenamePath);
                        }else{
                            exec('chown -R www:www '.$filenamePath);
                        }
                    }
                    $filename   =  $filenamePath ."/".$examGroupId.".zip";
//                    file_put_contents($filename, '');
                    $successArr = $this->zipPdf($pdfPathArr, $filename, $examName, $classNameArr);
                }

                //全部成功更新状态
                if ($successArr && count($successArr) == array_sum($successArr)) {
                    //上传qcloud文件
                    $filename = $this->characet($filename);
                    $ucloud = new HuaweiCloud();
                    $filename = iconv("UTF-8","GBK//IGNORE",$filename);

                    $examName = $this->characet($examName);
                    $putRs = $ucloud->putFile('zsyas2/academicr_batch/'.$examGroupId.'/'.$tableId.'/'.$examName.'.zip',$filename);
                    if(isset($putRs['status']) && $putRs['status'] == 1){
                        $url = $putRs['url'];
                        $url = str_replace("%2F","/",$url);
                        $bool = $this->updateStatus($tableId, 2,'',$url);
                        $this->showMsg(1, 'zip文件上传Ucloud成功！,地址：'.$url);
                    }else{
                        $msg = 'zip文件上传Ucloud失败！！！，错误信息：' . $putRs['msg'];
                        $bool = $this->updateStatus($tableId, 3,$msg);
                    }
                    @unlink($filename);
                }else{
                    $bool = $this->updateStatus($tableId, 3,'生成zip文件失败');
                }

            }

            //关闭数据库
            if ($this->schConnObj) {
                $this->getSchConnObj()->close();
            }
            echo '下一个学校' . PHP_EOL;
        }

        echo 'End.' . PHP_EOL;
    }

    public function getDbConnection($databaseHost,$databaseName,$databaseUser,$databasePassword)
    {
        if($databaseHost && $databaseName && $databaseUser && $databasePassword){
            $myDbDsn = 'mysql:host=' . $databaseHost . ';dbname=' . $databaseName;
            $myConnection = new CDbConnection($myDbDsn, $databaseUser, $databasePassword);

            $myConnection->emulatePrepare = true;
            $myConnection->enableProfiling = true;
            $myConnection->enableParamLogging = true;

            $myDbDsn = null;

            return $myConnection;
        }else{
            return null;
        }
    }

    /**
     * 获取学校数据库
     * @param $schoolIds
     * @return array
     */
    protected function getSchoolDatabases($schoolIds)
    {
        $schoolDatabases = array();

        $sql = "select school_id,database_host,database_user,database_password,database_name,group_id from `database` where school_id in (" . implode(',', $schoolIds) . ")";

        $rs = $this->getBusConn()->createCommand($sql)->queryAll();

        if ($rs) {
            foreach ($rs as $value) {
                $schoolDatabases[$value['school_id']] = $value;
            }
        }

        return $schoolDatabases;
    }

    /**
     * 业务数据库对象
     * @return CDbConnection|null
     */
    protected function getBusConn()
    {
        $time = time();
        if ($this->busConnObj) {
            if ($time - $this->busDbTime > $this->dbTimeout) {
                echo '关闭超时业务数据库重新连接' . PHP_EOL;
            }else{
                return $this->busConnObj;
            }
        }

        $dbParams = Yii::app()->params["default_server"];
        $busConnObj = $this->getDbConnection($dbParams['addr'], Yii::app()->params["default_db"]['name'], $dbParams['username'], $dbParams['password']);
        $this->busConnObj = $busConnObj;
        $this->busDbTime = $time;

        return $busConnObj;
    }

    /**
     * 学校数据库对象
     * @return mixed
     */
    public function getSchConnObj()
    {
        $time = time();
        if ($this->schConnObj) {
            if ($time - $this->schDbTime > $this->dbTimeout) {
                echo '关闭超时学校数据库重新连接' . PHP_EOL;
            }else{
                return $this->schConnObj;
            }
        }

        $databaseInfo = $this->databaseInfo;
        $schConnObj = $this->getDbConnection($databaseInfo['database_host'], $databaseInfo['database_name'], $databaseInfo['database_user'], $databaseInfo['database_password']);
        $this->schConnObj = $schConnObj;
        $this->schDbTime = $time;

        return $schConnObj;
    }

    /**
     * 查询需要处理的考试
     * @param $examGroupId
     * @param $classStr
     * @return array
     */
    protected function getNeedExamIds($examGroupId, $classStr)
    {
        $examInfoArr = array();
        $rs = array();
        $sql = "SELECT exam_id,class_id,`name` FROM exam WHERE exam_group_id = '{$examGroupId}' AND class_id IN ({$classStr}) AND `status` = 1";

        $result = $this->getSchConnObj()->createCommand($sql)->queryAll();

        if (!$result) {
            return $examInfoArr;
        }

        foreach ($result as $value) {
            $examInfoArr[$value['exam_id']] = $value;
        }
        unset($result);

        if ($examInfoArr) {
            $sql = "SELECT exam_id FROM paper WHERE exam_id in (" . implode(',', array_keys($examInfoArr)) . ") and is_labelled = 1";
            $result = $this->getSchConnObj()->createCommand($sql)->queryAll();
            if ($result) {
                foreach ($result as $value) {
                    $rs[$value['exam_id']] = isset($examInfoArr[$value['exam_id']])?$examInfoArr[$value['exam_id']]:0;
                }
            }
        }
        unset($examInfoArr);

        return $rs;
    }

    /**
     * 需要处理的学校考试
     * @return array|CDbDataReader
     */
    protected function getNeedSchoolExam()
    {
        $schoolRelExam = array();
        $time = time();
        //获取要生成教师讲案的数据
        $sql = "select id,school_id,exam_group_id,class_ids,class_names from download_table_setting where download_type = 3 and status = 1 and error_msg = '' and subject_id = 12 and is_labelled>0 ";

        $result = $this->getBusConn()->createCommand($sql)->queryAll();
        //超过20分钟默认生成失败
        $sql = "update download_table_setting set status = 3,error_msg ='系统错误，建议单个生成' where status = 4 and error_msg = '' and update_time <" . ($time - 1200);
        $this->getBusConn()->createCommand($sql)->execute();

        if ($result) {
            foreach ($result as $value) {
                $schoolId = $value['school_id'];
                if (!isset($schoolRelExam[$schoolId])) {
                    $schoolRelExam[$schoolId] = array();
                }
                $schoolRelExam[$schoolId][$value['exam_group_id']] = array(
                    'class_ids' => $value['class_ids'],
                    'class_names' => $value['class_names'],
                    'id' => $value['id'],
                );
            }
        }

        return $schoolRelExam;
    }

    /**
     * 更新生成状态 状态:1等待生成中，2-已生成 , 3-生成失败 4-生成中
     * @param $tableId
     * @param $status
     * @param string $errorMsg
     * @param string $zipUrl
     * @return int
     */
    protected function updateStatus($tableId, $status,$errorMsg = '',$zipUrl = '')
    {
        $time = time();

        $sql = "update download_table_setting set update_time = {$time},`status` = {$status}";
        if ($errorMsg) {
            $errorMsg = addslashes($errorMsg);
            $sql .= ",`error_msg` = '{$errorMsg}'";
            $this->showMsg(0, $errorMsg);
        }
        if ($zipUrl) {
            $sql .= ",`zip_url` = '{$zipUrl}'";
        }
        $sql .= " where id = {$tableId}";

        $bool = $this->getBusConn()->createCommand($sql)->execute();

        if ($bool === false) {
            $this->showMsg(0, '更新生成状态' . $status . '失败！！！！');
        }

        return $bool;
    }

    /**
     * 显示信息
     * @param $status
     * @param $msg
     */
    protected function showMsg($status,$msg)
    {
        echo $msg . PHP_EOL;
    }

    /**
     * client 渲染HTML
     * @param $viewName
     * @param $data
     * @return string
     */
    public function viewRender($viewName, $data)
    {
        extract($data, EXTR_PREFIX_SAME,'data');
        ob_start();
        ob_implicit_flush(0);

        $filePath=dirname(dirname(dirname(__FILE__))).'/protected/views/teaching/'.$viewName . '.php';

        require($filePath);

        return ob_get_clean();
    }

    /**
     * 生成pdf
     */
    protected function getPdf(&$pdfPathArr,$tableId,$schoolId,$examId,$classId)
    {
        $teachingPhysicsObj = new TeachingPhysics($this);
        $result = $teachingPhysicsObj->getTeachingPdf($schoolId, $examId, 1);

        if (isset($result['status']) && $result['status'] == 0) {
            $pdfPathArr[$classId] = $result['pdf_path'];
            $this->showMsg(1, '教学宝PDF生成成功！地址：'.$result['pdf_url']);
            $this->showMsg(1, ',PDF文件路径地址：'.$result['pdf_path']);
            $bool = true;
        }else{
            $errorMsg = isset($result['error']) ? $result['error'] : '生成失败！！';
            $this->showMsg(0, $errorMsg);
            $bool = $this->updateStatus($tableId, 3, $errorMsg);
        }

        return $bool;
    }

    /**
     * 打包PDF
     * @param $pdfPathArr
     * @param $filename
     * @param $examName
     * @return array
     */
    protected function zipPdf($pdfPathArr,$filename,$examName,$classNameArr)
    {
        $successArr = array();
        $examName = iconv("UTF-8","GBK//IGNORE",$examName);
        //最终生成的文件名（含路径）
        $zip = new ZipArchive();

        if ($zip->open($filename, ZIPARCHIVE::OVERWRITE)!==TRUE) {
            $this->showMsg(0, $examName . 'zip生成失败！');
        }else {
            foreach ($pdfPathArr as $classId => $val) {
                $className = isset($classNameArr[$classId]) ? $classNameArr[$classId] : '';
                $pdfname = '-'.$className.'-教师讲案';
                $pdfname = iconv("UTF-8", "GBK//IGNORE", $pdfname);

                $res = $zip->addFile($val, $examName . $pdfname . '.pdf');
                if (!$res) {
                    $this->showMsg(0, '添加zip文件失败：'.$val);
                }
                $successArr[] = $res ? 1 : 0;
            }
            $zip->close();//关闭
            foreach ($pdfPathArr as $k => $val) {
                @unlink($val);
            }
        }

        return $successArr;
    }

    /**
     * 字符转换
     * @param $data
     * @return string
     */
    protected function characet($data){
        if( !empty($data) ){
            $fileType = mb_detect_encoding($data , array('UTF-8','GBK','LATIN1','BIG5')) ;
            if( $fileType != 'UTF-8'){
                $data = mb_convert_encoding($data ,'utf-8' , $fileType);
            }
        }
        return $data;
    }

    /**
     * 获取班级名称
     * @param $classAndId
     * @return array
     */
    protected function getClassName($classAndId)
    {
        $classNameArr = array();
        $classIds = explode(',',$classAndId['class_ids']);
        $classNames = explode(',',$classAndId['class_names']);
        foreach ($classIds as $key => $classId) {
            $classNameArr[$classId] = isset($classNames[$key]) ? $classNames[$key] : '';
        }
        return $classNameArr;
    }
}