<?php
/**
 *
 * 通用产品下载
 */

class ProductdowngeneralController extends Controller{

    public function actionGetUrl()
    {
        $gpId = Req::get("gpId");
        $classId = Req::get("classId");
        $type = Req::get("type");
        $studentsIds = Req::get("studentsIds");

        $classDownload = $studentsIds ? false : true;

        if (!$gpId || !$classId || !$type) {
            self::responseMsg(0, '缺少参数');
        }

        $apiUrl = isset(Yii::app()->params["improve_url"][$this->schoolGroupId]) ? Yii::app()->params["improve_url"][$this->schoolGroupId] : null;

        if (!$apiUrl) self::responseMsg(0, '接口配置信息错误');

        $params = array(
            "schoolId" => $this->schoolId,
            "gpId" => $gpId,
            "classId" => $classId,
            "type" => $type,
            "studentIds" => array(),
        );
        $classinfo = ClassModel::model()->find("class_id=:id", array(":id" => $classId));
        $Sem = new SSemester();
        $code = $Sem->conn->createQuery()->from('semester')->where("semester_id = '" . $classinfo['semester_id'] . "'")
            ->limit(1)
            ->query()
            ->read();
        $product = SGeneralProduct::model()->find('gp_id=:gp_id and class_id=:classid', array(':gp_id' => $gpId, ':classid' => $classId));
        $intarr = array(
            "schoolId" => $this->schoolId,
            "clazzId" => $classId,
            "semester" => $code['refer_code'],
            "grade" => $classinfo['grade'],
            "students" => array(),
            "examTime" => $product['create_time'] ? $product['create_time'] : time(),
            "classify" => $type,
        );
        //判断学科
        $intarr['subject'] = $product['subject_id'];

        $pdfPathColumn = 'pdf_path';
        $isGenerateColumn = 'is_create_pdf';
        $desc = ProductDownload::$desc;
        //假期作业不需要带产品类型名称
        if(in_array($type,array(ProductDownload::PRODUCT_TYPE_HOLIDAY_HOMEWORK))) {
            $productName = $product['name'];
        }else{
            $productName = $product['name'] . $desc[$type];
        }

        $productDownload = new ProductDownload($type);

        //*****获取生成的学生***//
        $generateStu = $productDownload->getGenerateStu('general_product_student', 'gp_id', $pdfPathColumn, $isGenerateColumn, $gpId, $studentsIds);
        if(!$generateStu){
            self::responseMsg(0, '无生成的pdf');
        }
        $params['studentIds'] = $generateStu['studentIds'];
        $pathArr = $generateStu['pathArr'];

        if (Yii::app()->params["limit_open"]) {
            $params["studentIds"] = $productDownload->getCanDownloadStu($generateStu['studentIds'], $intarr, $this->schoolId);
            array_push($params['studentIds'],0);
        }

        //**************** Step-2 判断是否已经存在下载任务 ********************//
        if ($classDownload) {
            $packTask = $this->getExistTask($gpId, $classId, $type, count($params['studentIds']));
            if (isset($packTask->pack_status) && $packTask->pack_status == 0) {
                self::responseMsg(3);
            }
            if (isset($packTask->pack_url) && $packTask->pack_url) {
                $this->updateDownloadStatus($params["studentIds"],$gpId);
                echo json_encode(array("success" => 1, "downloadPath" => $packTask->pack_url));
                exit;
            }
        }

        //**************** Step-3 根据接口获取文件大小来判断走原有接口打包流程还是走脚本任务 ************//
        $sizeRs = Curl::post($apiUrl . "/rest/download_file_size/index", array('path_arr' => $pathArr));
        if (!($sizeRs = json_decode($sizeRs))) {
            echo json_encode(array("success" => 0, "message" => '请求接口失败'));
            exit;
        }

        if (isset($sizeRs->size)) {

            //************ Step-3-1 大于限定值 发送任务到后台打包 ******//
            if (Yii::app()->params["pack_product_file_limit"] < $sizeRs->size) {
                $packProductModel = new BusinessPackProductTask();
                $packProductModel->school_id = $this->schoolId;
                $packProductModel->auth_username = $this->authUsername;
                $packProductModel->product_type = $type;
                $packProductModel->product_name = $productName;
                $packProductModel->subject_id = $this->subjectId;
                $packProductModel->class_id = $classId;
                $packProductModel->class_name = $classinfo['class_name'];
                $packProductModel->unique_key = $gpId;
                $packProductModel->student_count = count($params["studentIds"]);
                $packProductModel->pack_json = json_encode($params);
                $packProductModel->pack_api_url = $apiUrl . "/rest/download_general_pdf/index";
                $packProductModel->create_time = time();
                $packProductModel->save();
                $this->updateDownloadStatus($params["studentIds"],$gpId);
                echo json_encode(array("success" => 3, "message" => ""));
                exit;
            } else {
                //************ Step-3-2 小于限定值 原有接口流程 ******//
                $rs = Curl::post($apiUrl . "/rest/download_general_pdf/index", $params);

                if (!($rs = json_decode($rs))) {
                    $rs = array("success" => 0, "message" => "请求接口失败",);
                }
                if ($rs->success != 0) {
                    $rs->success = 2;
                }
                if (isset($rs->downloadPath)) {
                    $this->updateDownloadStatus($params["studentIds"],$gpId);
                }

                if ($this->schoolGroupId && isset($rs->downloadPath)) {
                    if (YII_ENV == 'pro' || YII_ENV == 'production') {
                        $rs->downloadPath = preg_replace('/http\:\/\/zstatic\d{1,2}/', 'http://zstatic' . $this->schoolGroupId, $rs->downloadPath);
                    }
                }
                echo json_encode($rs);
                exit;
            }
        } else {
            echo json_encode(array("success" => 0, "message" => $sizeRs->message));
            exit;
        }
    }

    /**
     * 获取已存在的下载任务
     * @param $unique_id
     * @param $class_id
     * @param $type
     * @param $studentCount
     * @return bool|mixed
     */
    private function getExistTask($unique_id, $class_id, $type, $studentCount)
    {
        $schoolId = $this->schoolId;
        $subjectId = $this->subjectId;
        $effectTime = time() - 86400;
        $sql = <<<SQL
    select pack_status,pack_url from pack_product_task where unique_key='{$unique_id}' and school_id={$schoolId} and subject_id={$subjectId}
    and product_type={$type} and class_id='{$class_id}' and student_count={$studentCount} and pack_status<>2 and create_time>{$effectTime} order by create_time desc limit 1;
SQL;

        $rs = BusinessPackProductTask::model()->findBySql($sql);
        return $rs;
    }

    /**
     * 更新下载状态
     * @param $studentsIds
     * @param $gpId
     * @param $type
     */
    private function updateDownloadStatus($studentsIds, $gpId)
    {
        $time = time();
        $sql = "update general_product_student set is_download = 1,download_time={$time} where gp_id = '{$gpId}' and student_id in (" . implode(',', $studentsIds) . ")";
        $this->sConn->createCommand($sql)->execute();
    }

    //FIXME 添加下载任务
    public function actionAddTask(){
        $gpId = Req::get("gpId");
        $classId = Req::get("classId");
        $type = Req::get("type");
        $studentsIds = Req::get("studentsIds");
        $printType = Req::get("printType");
        $absentFilter = Req::get("absent_filter");

        if (!$gpId || !$classId)  self::responseMsg(0, '缺少参数');

        $apiUrl = isset(Yii::app()->params["improve_url"][$this->schoolGroupId]) ? Yii::app()->params["improve_url"][$this->schoolGroupId] : null;

        if (!$apiUrl) self::responseMsg(0, '接口配置信息错误');

        $params = array(
            "schoolId" => $this->schoolId,
            "gpId" => $gpId,
            "classId" => $classId,
            "type" => $type,
            "studentIds" => array(),
        );
        $classinfo = ClassModel::model()->find("class_id=:id", array(":id" => $classId));
        $Sem = new SSemester();
        $code = $Sem->conn->createQuery()->from('semester')->where("semester_id = '" . $classinfo['semester_id'] . "'")
            ->limit(1)
            ->query()
            ->read();
        $product = SGeneralProduct::model()->find('gp_id=:gp_id and class_id=:classid', array(':gp_id' => $gpId, ':classid' => $classId));
        $intarr = array(
            "schoolId" => $this->schoolId,
            "clazzId" => $classId,
            "semester" => $code['refer_code'],
            "grade" => $classinfo['grade'],
            "students" => array(),
            "examTime" => $product['create_time']?$product['create_time']:time(),
            "classify" => $type,
        );
        //判断学科
        $intarr['subject'] = $product['subject_id'];

        if (in_array($intarr['subject'], $this->mathSubjectId)) {
            $intarr['subject'] = 3;
        }

        $pdfPathColumn = 'pdf_path';
        $isGenerateColumn = 'is_create_pdf';
        $desc = ProductDownload::$desc;
        //假期作业不需要带产品类型名称
        if(in_array($type,array(ProductDownload::PRODUCT_TYPE_HOLIDAY_HOMEWORK))) {
            $productName = $product['name'];
        }else {
            $productName = $product['name'] . $desc[$type];
        }


        $productDoanload = new ProductDownload($type);

        //*****获取生成的学生***//
        $generateStu = $productDoanload->getGenerateStu('general_product_student', 'gp_id', $pdfPathColumn, $isGenerateColumn, $gpId, $studentsIds, $absentFilter);
        if(!$generateStu){
            echo json_encode(array("success" => 0, "message" => "无生成的pdf"));exit();
        }
        $params['studentIds'] = $generateStu['studentIds'];

        if ($printType == 'third_isp') {
            $params["subjectId"] = 8;
            $params["type"] = 3;
        }

        if (Yii::app()->params["limit_open"]) {
            $params["studentIds"] = $productDoanload->getCanDownloadStu($generateStu['studentIds'], $intarr, $this->schoolId);
        }

        $packProductModel = new BusinessPackProductTask();
        $packProductModel->school_id = $this->schoolId;
        $packProductModel->auth_username = $this->authUsername;
        $packProductModel->product_type = $type;
        $packProductModel->product_name = $productName;
        $packProductModel->subject_id = $this->subjectId;
        $packProductModel->class_id = $classId;
        $packProductModel->class_name = $classinfo['class_name'];
        $packProductModel->unique_key = $gpId;
        $packProductModel->student_count = count($params['studentIds']);
        $packProductModel->pack_json = json_encode($params);
        $packProductModel->pack_api_url = $apiUrl . "/rest/download_general_pdf/index";
        $packProductModel->create_time = time();
        $packProductModel->save();
        $this->updateDownloadStatus($params["studentIds"],$gpId);
        echo json_encode(array("success" => 3, "message" => ""));
        exit;
    }

    //FIXME 批量
    public function actionBatch(){
        $json_params = file_get_contents('php://input');
        $params_arr = json_decode($json_params, true);
        $notFound = 0;
        foreach ($params_arr as $param) {
            $gpId = isset($param['gpId']) ? $param['gpId'] : null;
            $classId = isset($param['classId']) ? $param['classId'] : null;
            $type = isset($param['type']) ? $param['type'] : null;
            $absentFilter = isset($param['absent_filter']) ? $param['absent_filter'] : false;

            if (!$gpId || !$classId || !$type) {
                echo json_encode(array("success" => 0, "message" => "缺少参数"));exit();
            }

            $apiUrl = isset(Yii::app()->params["improve_url"][$this->schoolGroupId]) ? Yii::app()->params["improve_url"][$this->schoolGroupId] : null;

            if (!$apiUrl) {
                echo json_encode(array("success" => 0, "message" => "接口配置信息错误"));
                exit();
            }

            $params = array(
                "schoolId" => $this->schoolId,
                "gpId" => $gpId,
                "classId" => $classId,
                "type" => $type,
                "studentIds" => array(),
            );
            $classinfo = ClassModel::model()->find("class_id=:id", array(":id" => $classId));

            //判断学科
            $product = SGeneralProduct::model()->find('gp_id=:gp_id and class_id=:classid', array(':gp_id' => $gpId, ':classid' => $classId));

            $pdfPathColumn = 'pdf_path';
            $isGenerateColumn = 'is_create_pdf';
            $desc = ProductDownload::$desc;
            //假期作业不需要带产品类型名称
            if(in_array($type,array(ProductDownload::PRODUCT_TYPE_HOLIDAY_HOMEWORK))) {
                $productName = $product['name'];
            }else {
                $productName = $product['name'] . $desc[$type];
            }

            $productDownload = new ProductDownload($type);

            $condition = array('product_type'=>$type);
            //*****获取生成的学生***//
            $generateStu = $productDownload->getGenerateStu('general_product_student', 'gp_id', $pdfPathColumn, $isGenerateColumn, $gpId, array(), $absentFilter);
            if(!$generateStu){
                $notFound++;
                continue;
            }
            $params['studentIds'] = $generateStu['studentIds'];

            $params["subjectId"] = $this->subjectId;
            $params["type"] = $type;

            //**************** Step-2 判断是否已经存在下载任务 ********************//
            $packTask = $this->getExistTask($gpId, $classId, $type, count($params['studentIds']));
            if ($packTask) {
                continue;
            }

            //************Step-3 批量直接发送任务到后台打包 ******//
            $packProductModel = new BusinessPackProductTask();
            $packProductModel->school_id = $this->schoolId;
            $packProductModel->auth_username = $this->authUsername;
            $packProductModel->product_type = $type;
            $packProductModel->product_name = $productName;
            $packProductModel->subject_id = $this->subjectId;
            $packProductModel->class_id = $classId;
            $packProductModel->class_name = $classinfo['class_name'];
            $packProductModel->unique_key = $gpId;
            $packProductModel->student_count = count($params["studentIds"]);
            $packProductModel->pack_json = json_encode($params);
            $packProductModel->pack_api_url = $apiUrl . "/rest/download_general_pdf/index";
            $packProductModel->create_time = time();
            $packProductModel->save();
            $this->updateDownloadStatus($params["studentIds"],$gpId);
        }
        if($notFound && $notFound==count($params_arr)){
            echo json_encode(array("success" => 0, "message" => "无生成的pdf"));exit();
        }
        echo json_encode(array("success" => 1, "message" => "success"));
    }
}