package cn.com.goldenwater.dcproj.utils.impexcel;

import org.springframework.web.multipart.MultipartFile;

import java.io.File;
import java.util.Calendar;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import static java.util.regex.Pattern.compile;

/**
 * <p>
 * 一些公用的工具方法
 * </p>
 *
 * @author liyz
 * @date 2019/7/8 19:26
 **/
public class ImpUtil {

    public static final String XLS = "xls";
    public static final String XLSX = "xlsx";
    public static final String ZIP = "zip";
    public static final String ALL = "ALL";
    public static final String ERR = "$E$";
    public static final String WARN = "$W$";

    public static boolean checkIsDate(String value) {
        Pattern pattern = compile("^\\d{4}(\\-|\\/|\\.)\\d{1,2}\\1\\d{1,2}$");
        Matcher isDate = pattern.matcher(value);
        return isDate.matches();
    }

    public static String getDateFormatPath(String basePath) {
        //按时间日期存文件
        Calendar dat = Calendar.getInstance();
        if (!basePath.endsWith("/")) {
            return basePath
                    + File.separator + dat.get(Calendar.YEAR)
                    + File.separator + (dat.get(Calendar.MONTH) + 1)
                    + File.separator + dat.get(Calendar.DAY_OF_MONTH);
        } else {
            return basePath
                    + dat.get(Calendar.YEAR)
                    + File.separator + (dat.get(Calendar.MONTH) + 1)
                    + File.separator + dat.get(Calendar.DAY_OF_MONTH);
        }

    }

    public static boolean checkFileExt(MultipartFile file, String fileExt) {
        if (file != null) {
            // 获取上传过来的名称
            String fileName = file.getOriginalFilename();
            // 获取扩展名称
            String ext = fileName.substring(1 + fileName.lastIndexOf("."));
            // 返回是否匹配,因为扩展名大小写不敏感,所以都转为小写进行比较
            return ext.toLowerCase().endsWith(fileExt.toLowerCase());
        } else {
            return false;
        }
    }

    public static boolean checkIsInt(String value) {
        if (value == null || "".equals(value)) {
            return false;
        }
        Pattern pattern = compile("[0-9]*");
        Matcher isNum = pattern.matcher(value);
        return isNum.matches();
    }
}