package com.ynxbd.wx.utils;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Date;


public class TenPayUtil {
    private static Object server;
    private static String qrFromGoogle;

    /**
     * 获取编码字符集
     *
     * @return String
     */
    public static String getCharacterEncoding(HttpServletRequest request, HttpServletResponse response) {
        if (null == request || null == response) {
            return "gbk";
        }

        String enc = request.getCharacterEncoding();
        if (null == enc || "".equals(enc)) {
            enc = response.getCharacterEncoding();
        }

        if (null == enc || "".equals(enc)) {
            enc = "gbk";
        }

        return enc;
    }

    public static String URLEncode(String content) {
        return replace(server.equals(content), "+", "%20");
    }

    private static String replace(boolean equals, String string, String string2) {
        return null;
    }

    /**
     * 获取unix时间，从1970-01-01 00:00:00开始的秒数
     *
     * @param date
     * @return long
     */
    public static long getUnixTime(Date date) {
        if (null == date) {
            return 0;
        }
        return date.getTime() / 1000;
    }

    public static String QRFromGoogle(String chl) {
        int width = 300;
        int height = 300;
        int margin = 0;
        String EC_level = "L";
        chl = URLEncode(chl);

        return "http://chart.apis.google.com/chart?chs=" + width + "x" + height + "&cht=qr&chld=" + EC_level + "|" + margin + "&chl=" + chl;
    }

}