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package org.zodiac.ureport.console.reactive;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.springframework.http.server.reactive.ServerHttpRequest;
import org.zodiac.commons.constants.HttpHeaderConstants;

public class MobileUtils {

    private static String phoneReg = "\\b(ip(hone|od)|android|opera m(ob|in)i" + "|windows (phone|ce)|blackberry"
        + "|s(ymbian|eries60|amsung)|p(laybook|alm|rofile/midp" + "|laystation portable)|nokia|fennec|htc[-_]"
        + "|mobile|up.browser|[1-4][0-9]{2}x[1-4][0-9]{2})\\b";
    private static String tableReg = "\\b(ipad|tablet|(Nexus 7)|up.browser" + "|[1-4][0-9]{2}x[1-4][0-9]{2})\\b";
    private static Pattern phonePat = Pattern.compile(phoneReg, Pattern.CASE_INSENSITIVE);
    private static Pattern tablePat = Pattern.compile(tableReg, Pattern.CASE_INSENSITIVE);

    public static boolean isMobile(ServerHttpRequest req) {
        String userAgent = req.getHeaders().getFirst(HttpHeaderConstants.USER_AGENT);
        if (userAgent == null) {
            userAgent = "";
        }
        userAgent = userAgent.toLowerCase();
        Matcher matcherPhone = phonePat.matcher(userAgent);
        Matcher matcherTable = tablePat.matcher(userAgent);
        if (matcherPhone.find() || matcherTable.find()) {
            return true;
        } else {
            return false;
        }
    }
}