<?php
/**
 * @link:http://www.gdqijianshi.com/
 * @copyright: Copyright (c) 2021 广东七件事集团
 * 用户操作
 * Author: zx
 * Date: 2021-03-03
 * Time: 13:30
 */

namespace common\helpers\csv;

use app\core\ApiCode;
use app\models\BaseModel;
use common\models\base\BaseActiveRecord;


class CsvImportForm extends BaseActiveRecord
{
    /**
     * 当前模板列数
     * @var
     */
    protected $columnNum = 0;

    /**
     * 数据读取、组装、验证等配置信息
     * @var array
     */
    protected $importFieldConfig = [];

    /**
     * 文件信息
     * @var
     */
    protected $file;

    /**
     * 文件路径
     * @var
     */
    protected $file_path;

    /**
     * 当前上传文件数
     * @var
     */
    protected $current_num = 1;

    /**
     * 系统根路径
     * @var
     */
    protected $basePath;

    /**
     *最终上传的文件路径
     * @var
     */
    protected $path;

    /**
     * csv配置信息
     * @var
     */
    protected $csvConfig;

    /**
     * 一次最大可以导入数据量
     * @var int
     */
    protected $maxCount = 0;

    /**
     * 接收到数据的form表单
     * @var
     */
    protected $dataForm;

    /**
     * 返回数据类型
     * @var
     */
    protected $returnType = 0;

    /**
     * @param $returnType
     * @return $this
     */
    public function setReturnType($returnType)
    {
        $this->returnType = $returnType;
        return $this;
    }

    /**
     * @param $maxCount
     * @return $this
     */
    public function setMaxCount($maxCount)
    {
        $this->maxCount = $maxCount;
        return $this;
    }

    /**
     * @param $importFieldConfig
     * @return $this
     */
    public function setImportFieldConfig($importFieldConfig)
    {
        $this->importFieldConfig = $importFieldConfig;
        return $this;
    }

    /**
     * @return array
     */
    public function getImportFieldConfig()
    {
        return $this->importFieldConfig;
    }

    /**
     * @param $columnNum
     * @return $this
     */
    public function setColumnNum($columnNum)
    {
        $this->columnNum = $columnNum;
        return $this;
    }

    /**
     * @return mixed
     */
    public function getColumnNum()
    {
        return $this->columnNum;
    }

    /**
     * @param $dataForm
     * @return mixed
     */
    public function setDataForm($dataForm)
    {
        $this->dataForm = $dataForm;
        return $this;
    }

    /**
     * @return mixed
     */
    public function getDataForm()
    {
        return $this->dataForm;
    }


    /**
     * 获取csv文件数据
     * @return array|bool
     */
    public function readCsvData()
    {
        $this->basePath = \Yii::$app->basePath;
        $this->csvConfig = \Yii::$app->params['csvConfig'];
        try {
            if (empty($_FILES) || !isset($_FILES['file'])) {
                return [
                    'code' => 1,
                    'msg' => '请上传csv文件'
                ];
            }

            $fileName = $_FILES['file']['name'];
            $tmpName = $_FILES['file']['tmp_name'];

            $this->path = $this->basePath . '/web/uploads/' . $this->csvConfig['path_folder'] . '/';
            if (!is_dir($this->path)) {
                mkdir($this->path, 0775, true);
            }

            $ext = strtolower(pathinfo($fileName, PATHINFO_EXTENSION));
            if ($ext != 'csv') {
                throw new \Exception('请上传csv文件');
            }
            $uploadFile = $this->path . 'ADMIN-' . date('Y-m-d His') . '.' . $ext;
            //上传
            move_uploaded_file($tmpName, $uploadFile);

            $csvList = $this->readCsv($uploadFile);
            if (!empty($this->maxCount) && (count($csvList) > $this->maxCount)) {
                throw new \Exception('单次最多导入' . $this->maxCount . '条数据');
            }

            $data = $csvList;
            if ($this->returnType == 1) {
                $data = [
                    'fileName' => $fileName,
                    'tmpName' => $tmpName,
                    'csvList' => $csvList,
                ];
            }
            return $data;
        } catch (\Exception $exception) {
            self::$static_error = $exception->getMessage();
            return false;
        }
    }

    /**
     * 读取csv文档数据
     * @param $file
     * @return array
     * @throws \Exception
     */
    public function readCsv($file)
    {
        try {
            setlocale(LC_ALL, array('zh_CN.gbk', 'zh_CN.gb2312', 'zh_CN.gb18030'));
            $data = [];//返回的文件数据行
            if (!is_file($file) && !file_exists($file)) {
                throw new \Exception('csv文件错误');
            }

            $cvsFile = fopen($file, 'r'); //开始读取csv文件数据
            $i = 0;//记录cvs的行

            while ($fileData = fgetcsv($cvsFile)) {
                $i++;

                if ($i == 1) {
                    $this->verifyTemplate($fileData);
                    continue;//过滤表头
                }

                //判断列数是否与模板一致
                if (!empty($this->columnNum) && count($fileData) != $this->columnNum) {
                    throw new \Exception('csv文件数据模板列有误');
                }

                $arr = [];
                if (!empty($fileData)) {
                    foreach ($this->importFieldConfig as $key => $item) {
                        $arr[$item['field']] = $this->getNewData($fileData[$key]);
                        $data[$i] = $arr;
                    }
                }
            }

            fclose($cvsFile);
            return array_values($data);
        } catch (\Exception $exception) {
            throw $exception;
        }
    }

    /**
     * 难测模板头是否一致
     * @param $fileData
     * @return bool
     * @throws \Exception
     */
    private function verifyTemplate($fileData)
    {
        try {
            foreach ($this->importFieldConfig as $key => $item) {
                if (!isset($fileData[$key])) {
                    throw new \Exception('导入文件的第' . ($key + 1) . '列的标题不存在与模板不一致，正确的标题为：' . $item['field_name']);
                }

                if (isset($fileData[$key]) && ($item['field_name'] != $this->getNewData($fileData[$key]))) {
                    throw new \Exception('导入文件的第' . ($key + 1) . '列的标题与模板的不一致，正确的标题为：' . $item['field_name']);
                }
            }

            return true;
        } catch (\Exception $exception) {
            throw new \Exception($exception->getMessage());
        }
    }

    /**
     * @param $data
     * @return mixed
     */
    private function getNewData($data)
    {
        return mb_convert_encoding(trim($data), "UTF-8", "GBK");
    }


}