<?php

namespace app\admin\controller;

use app\common\controller\Backend;
use app\common\controller\Resource;
use app\common\library\Auth;
use Exception;
use think\Db;
use think\db\exception\DataNotFoundException;
use think\db\exception\ModelNotFoundException;
use think\exception\DbException;
use think\exception\PDOException;
use PhpOffice\PhpSpreadsheet\Cell\Coordinate;
use PhpOffice\PhpSpreadsheet\Reader\Xlsx;
use PhpOffice\PhpSpreadsheet\Reader\Xls;
use PhpOffice\PhpSpreadsheet\Reader\Csv;
use think\exception\ValidateException;

/**
 * 学生管理
 *
 * @icon fa fa-circle-o
 */
class Study extends Backend
{

    /**
     * Study模型对象
     * @var \app\admin\model\Study
     */
    protected $model = null;
    protected $modelValidate  = true;   //开启validate，验证默认是fasle


    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\Study;
        $this->view->assign("genderList", $this->model->getGenderList());
    }


    /*
     * 导入
     */
    public function import(){
        $file = $this->request->request('file');
        if (!$file) {
            $this->error(__('Parameter %s can not be empty', 'file'));
        }
        $filePath = ROOT_PATH . DS . 'public' . DS . $file;
        if (!is_file($filePath)) {
            $this->error(__('No results were found'));
        }
        //实例化reader
        $ext = pathinfo($filePath, PATHINFO_EXTENSION);
        if (!in_array($ext, ['csv', 'xls', 'xlsx'])) {
            $this->error(__('Unknown data format'));
        }
        if ($ext === 'csv') {
            $file = fopen($filePath, 'r');
            $filePath = tempnam(sys_get_temp_dir(), 'import_csv');
            $fp = fopen($filePath, 'w');
            $n = 0;
            while ($line = fgets($file)) {
                $line = rtrim($line, "\n\r\0");
                $encoding = mb_detect_encoding($line, ['utf-8', 'gbk', 'latin1', 'big5']);
                if ($encoding !== 'utf-8') {
                    $line = mb_convert_encoding($line, 'utf-8', $encoding);
                }
                if ($n == 0 || preg_match('/^".*"$/', $line)) {
                    fwrite($fp, $line . "\n");
                } else {
                    fwrite($fp, '"' . str_replace(['"', ','], ['""', '","'], $line) . "\"\n");
                }
                $n++;
            }
            fclose($file) || fclose($fp);

            $reader = new Csv();
        } elseif ($ext === 'xls') {
            $reader = new Xls();
        } else {
            $reader = new Xlsx();
        }

        //导入文件首行类型,默认是注释,如果需要使用字段名称请使用name
        $importHeadType = isset($this->importHeadType) ? $this->importHeadType : 'comment';

        $table = $this->model->getQuery()->getTable();
        $database = \think\Config::get('database.database');
        $fieldArr = [];
        $list = db()->query("SELECT COLUMN_NAME,COLUMN_COMMENT FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = ? AND TABLE_SCHEMA = ?", [$table, $database]);
        foreach ($list as $k => $v) {
            if ($importHeadType == 'comment') {
                $v['COLUMN_COMMENT'] = explode(':', $v['COLUMN_COMMENT'])[0]; //字段备注有:时截取
                $fieldArr[$v['COLUMN_COMMENT']] = $v['COLUMN_NAME'];
            } else {
                $fieldArr[$v['COLUMN_NAME']] = $v['COLUMN_NAME'];
            }
        }

        //加载文件
        $insert = [];
        try {
            if (!$PHPExcel = $reader->load($filePath)) {
                $this->error(__('Unknown data format'));
            }
            $currentSheet = $PHPExcel->getSheet(0);  //读取文件中的第一个工作表
            $allColumn = $currentSheet->getHighestDataColumn(); //取得最大的列号
            $allRow = $currentSheet->getHighestRow(); //取得一共有多少行
            $maxColumnNumber = Coordinate::columnIndexFromString($allColumn);
            $fields = [];
            for ($currentRow = 1; $currentRow <= 1; $currentRow++) {
                for ($currentColumn = 1; $currentColumn <= $maxColumnNumber; $currentColumn++) {
                    $val = $currentSheet->getCellByColumnAndRow($currentColumn, $currentRow)->getValue();
                    $fields[] = $val;
                }
            }

            for ($currentRow = 2; $currentRow <= $allRow; $currentRow++) {
                $values = [];
                for ($currentColumn = 1; $currentColumn <= $maxColumnNumber; $currentColumn++) {
                    $val = $currentSheet->getCellByColumnAndRow($currentColumn, $currentRow)->getValue();
                    $values[] = is_null($val) ? '' : $val;
                }
                $row = [];
                $temp = array_combine($fields, $values);
                foreach ($temp as $k => $v) {
                    if (isset($fieldArr[$k]) && $k !== '') {
                        $row[$fieldArr[$k]] = $v;
                    }
                }
                if ($row) {
                    $insert[] = $row;
                }
            }
        } catch (Exception $exception) {
            $this->error($exception->getMessage());
        }
        if (!$insert) {
            $this->error(__('No rows were updated'));
        }

        try {
            //是否包含admin_id字段
            $has_admin_id = false;
            foreach ($fieldArr as $name => $key) {
                if ($key == 'admin_id') {
                    $has_admin_id = true;
                    break;
                }
            }
            if ($has_admin_id) {
                $auth = Auth::instance();
                foreach ($insert as &$val) {
                    if (!isset($val['admin_id']) || empty($val['admin_id'])) {
                        $val['admin_id'] = $auth->isLogin() ? $auth->id : 0;
                    }
                }
            }
            $id  = \db('study')->max('id');
            $ids = $allRow+$id-1;
            $res = str_pad($ids,8,"0",STR_PAD_LEFT);
            $barpath = Resource::StudyBar($res);
            $insert['barcode'] = $barpath;
            $insert['unique'] = $res;
            $this->model->saveAll($insert);
        } catch (PDOException $exception) {
            $msg = $exception->getMessage();
            if (preg_match("/.+Integrity constraint violation: 1062 Duplicate entry '(.+)' for key '(.+)'/is", $msg, $matches)) {
                $msg = "导入失败，包含【{$matches[1]}】的记录已存在";
            };
            $this->error($msg);
        } catch (Exception $e) {
            $this->error($e->getMessage());
        }

        $this->success();
    }

    /**
     * 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
     * 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
     * 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
     */


    /**
     * 查看
     */
    public function index()
    {
        //当前是否为关联查询
        $this->relationSearch = true;
        //设置过滤方法
        $this->request->filter(['strip_tags', 'trim']);
        if ($this->request->isAjax()) {
            //如果发送的来源是Selectpage，则转发到Selectpage
            if ($this->request->request('keyField')) {
                return $this->selectpage();
            }
            list($where, $sort, $order, $offset, $limit) = $this->buildparams();

            $list = $this->model
                    ->with(['team'])
                    ->where($where)
                    ->order($sort, $order)
                    ->paginate($limit);

            foreach ($list as $row) {
                $row->visible(['id','avatar','name','gender','birthday','grade','school','team_id','team_rank','earn_score','phone','unique','barcode']);
				$row->visible(['team']);
				$row->getRelation('team')->visible(['title']);
            }

            $result = array("total" => $list->total(), "rows" => $list->items());

            return json($result);
        }
        return $this->view->fetch();
    }

    //导出数据
    public function export()
    {
        if ($this->request->isPost()) {
            set_time_limit(0);
            $ids = $this->request->post('ids');

            $excel = new \PHPExcel();
            try {
                $excel->getProperties()->setTitle("积分表");
                $excel->getActiveSheet()->getColumnDimension('A')->setWidth(10);
                $excel->getActiveSheet()->getColumnDimension('B')->setWidth(10);
                $excel->getActiveSheet()->getColumnDimension('C')->setWidth(10);
                $excel->getActiveSheet()->getColumnDimension('D')->setWidth(10);
                $excel->getActiveSheet()->getColumnDimension('E')->setWidth(15);
                $excel->getActiveSheet()->getColumnDimension('F')->setWidth(15);
                $excel->getActiveSheet()->getColumnDimension('G')->setWidth(15);
                $excel->getActiveSheet()->getColumnDimension('H')->setWidth(10);
                $excel->getActiveSheet()->getColumnDimension('I')->setWidth(10);

                // 列名表头文字加粗
                $excel->getActiveSheet()->getStyle('A1:J1')->getFont()->setBold(true);
                // 列表头文字居中
                $excel->getActiveSheet()->getStyle('A1:J1')->getAlignment()
                    ->setHorizontal(\PHPExcel_Style_Alignment::HORIZONTAL_CENTER);

                // 开始操作excel表
                $worksheet = $excel->setActiveSheetIndex(0)    //操作第一个工作表
                ->setCellValue('A1', '序号')   //设置表格标题名称
                ->setCellValue('B1', '姓名')   //设置表格标题名称
                ->setCellValue('C1', '性别')
                    ->setCellValue('D1', '班级')
                    ->setCellValue('E1', '学校')
                    ->setCellValue('F1', '手环ID')
                    ->setCellValue('G1', '总积分');
                if ($ids == 'all' || empty($ids)) {    //判断当前数据为全部或者选中的
                    $list = $this->model->select();
                } else {
                    $list = $this->model->select($ids);
                }

                foreach ($list as $k => $val) {
                    $path = 'http://campus.shs.broing.cn';
                    $k = $k + 2;//表格是从2开始的
                    $excel->getActiveSheet()->setTitle($val['school'] . '积分表');
                    $worksheet
                        ->setCellValue('A' . $k, $val['id'])
                        ->setCellValue('B' . $k, $val['name'])
                        ->setCellValue('C' . $k, $val['gender'] ? '男' : '女')
                        ->setCellValue('D' . $k, $val['grade'])
                        ->setCellValue('E' . $k, $val['school'])
                        ->setCellValue('F' . $k, $val['unique'])
                        ->setCellValue('G' . $k, $val['earn_score']);
                }
                $excel->createSheet();
                $title = "学生成绩" . date("Ymd");
                header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
                header('Content-Disposition: attachment;filename="' . $title . '.xlsx"');
                header('Cache-Control: max-age=0');
                header('Cache-Control: max-age=1');

                header('Expires: Mon, 26 Jul 1997 05:00:00 GMT'); // Date in the past
                header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT'); // always modified
                header('Cache-Control: cache, must-revalidate'); // HTTP/1.1
                header('Pragma: public'); // HTTP/1.0
                $objWriter = \PHPExcel_IOFactory::createWriter($excel, 'Excel2007');
                $objWriter->save('php://output');
            } catch (\PHPExcel_Exception $e) {
                $this->error('参数错误', $e->getMessage());
            }
            exit;
        }
    }

    /**
     * 下载条形码
     */
    public function down()
    {
        $id = input('id');
        $res = \app\admin\model\Study::where('id', $id)->update(['down' => 1]);
        if ($res !== false) {
            $this->success('');
        }
    }


    /**
     * 添加
     *
     * @return string
     * @throws \think\Exception
     */
    public function add()
    {
        if (false === $this->request->isPost()) {
            return $this->view->fetch();
        }
        $params = $this->request->post('row/a');
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $params = $this->preExcludeFields($params);

        if ($this->dataLimit && $this->dataLimitFieldAutoFill) {
            $params[$this->dataLimitField] = $this->auth->id;
        }
        $result = false;
        Db::startTrans();
        try {
            //是否采用模型验证
            if ($this->modelValidate) {
                $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.add' : $name) : $this->modelValidate;
                $this->model->validateFailException()->validate($validate);
            }
            $result = $this->model->allowField(true)->save($params);
            $id  = $this->model->id;
            $res = str_pad($id,8,"0",STR_PAD_LEFT);
            $barpath = Resource::StudyBar($res);
            $this->model->save(['barcode'=>$barpath,'unique'=>$res],['id'=>$id]);
            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if ($result === false) {
            $this->error(__('No rows were inserted'));
        }
        $this->success();
    }

    /**
     * 编辑
     *
     * @param $ids
     * @return string
     * @throws DbException
     * @throws \think\Exception
     */
    public function edit($ids = null)
    {
        $row = $this->model->get($ids);
        if (!$row) {
            $this->error(__('No Results were found'));
        }
        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds) && !in_array($row[$this->dataLimitField], $adminIds)) {
            $this->error(__('You have no permission'));
        }
        if (false === $this->request->isPost()) {
            $this->view->assign('row', $row);
            return $this->view->fetch();
        }
        $params = $this->request->post('row/a');
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $params = $this->preExcludeFields($params);
        $result = false;
        Db::startTrans();
        try {
            //是否采用模型验证
            if ($this->modelValidate) {
                $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.edit' : $name) : $this->modelValidate;
                $row->validateFailException()->validate($validate);
            }
            $result = $row->allowField(true)->save($params);
            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if (false === $result) {
            $this->error(__('No rows were updated'));
        }
        $this->success();
    }

    /**
     * 下载分享码
     *
     * @param null $ids
     * @return void
     * @throws DbException
     * @throws DataNotFoundException
     * @throws ModelNotFoundException
     */
    public function multi($ids = null)
    {
        $ids = $this->request->param('ids');
        $study = new \app\admin\model\Study();
        $ids = explode(',', $ids);
        $arr = $study->whereIn('id' , $ids)->field('barcode')->select();
        foreach ($arr as $v){
            //$v['barcode'] = substr($v['barcode'],20);
            $as =  ROOT_PATH.'public/'.$v['barcode'];
            $data[]=$as;
        }
        $url = ROOT_PATH.'public/';
        // $data = [
        //     ROOT_PATH.'public/uploads/QR/20230301/_18.jpg'
        //     ];
        // zip 临时文件
        $tmp_dir = $url . 'temp/';
        // zip名称
        $zip_name = 'images'.'.zip';
        // 打包
        $zipName = $this->zip_files($data, $tmp_dir.$zip_name);
        //下载
        $down = 'http://campus.shs.broing.cn/temp/'.$zip_name;
        downloads($down);
    }

    /**
     * 打包成zip
     * @param $pathArr
     * @param $zipName
     * @return array
     */
    public function zip_files($pathArr,$zipName)
    {

        $zip = new \ZipArchive();
        if($zip->open($zipName,\ZipArchive::CREATE|\ZipArchive::OVERWRITE)){
            foreach($pathArr as $file){
                if(!file_exists($file)){
                    continue;
                }
                $zip->addFile($file,basename($file));  //向压缩包中添加文件
            }
            $zip->close();
            return $zipName;
        }else{
            return '';
        }
    }


}