package com.yeshi.fanli.controller;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.security.SignatureException;
import java.util.Date;

import javax.annotation.Resource;
import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

import com.yeshi.fanli.entity.bus.msg.MsgDeviceReadState;
import com.yeshi.fanli.log.LogHelper;
import com.yeshi.fanli.service.inter.config.ConfigService;
import com.yeshi.fanli.service.inter.msg.MsgDeviceReadStateService;

import net.sf.json.JSONObject;

/**
 * 
 * 
 * @author Administrator
 *
 */
@Controller
@RequestMapping("client/v1/callback")
public class CallBackController {
	@Resource
	private ConfigService configService;

	@Resource
	private MsgDeviceReadStateService msgDeviceReadStateService;

	/**
	 * 客服消息回调
	 * 
	 * @param response
	 */
	@RequestMapping(value = "kefuMsg")
	public void kefuMsg(HttpServletResponse response) {

	}

	/**
	 * 美洽消息回调
	 * 
	 * @param response
	 */

	@RequestMapping(value = "meiQia")
	public void meiQia(HttpServletRequest request, HttpServletResponse response) {
		String auth = request.getHeader("Authorization");
		String queryString = request.getQueryString();
		LogHelper.test("美洽:queryString-" + queryString + "-auth:" + auth);

		BufferedReader br = null;
		StringBuilder sb = new StringBuilder("");
		try {
			br = request.getReader();
			String str;
			while ((str = br.readLine()) != null) {
				sb.append(str);
			}
			br.close();
		} catch (IOException e) {
			e.printStackTrace();
		}
		
		LogHelper.test("美洽:body----" + sb.toString());

		String sign = "";
		try {
			sign = sign(sb.toString());
		} catch (SignatureException e) {
			e.printStackTrace();
		}

		if (!auth.equalsIgnoreCase(sign)) {
			LogHelper.test("美洽回调签名错误");
			return;
		}
		JSONObject json = JSONObject.fromObject(sb.toString());
		String msg = "";
		if (json != null) {
			String deviceOS = json.optString("deviceOS");
			String contentType = json.optString("contentType");
			if (contentType.equalsIgnoreCase("text"))
				msg = json.optString("content");
			else if (contentType.equalsIgnoreCase("photo"))
				msg = "[图片]";
			else if (contentType.equalsIgnoreCase("audio"))
				msg = "[语音]";
			String customizedId = json.optJSONObject("customizedData").optString("设备标识");
			msgDeviceReadStateService.addUnreadDeviceMsg(MsgDeviceReadState.TYPE_KEFU, customizedId,
					"android".equalsIgnoreCase(deviceOS) ? 1 : 2, 1, msg, new Date());
		}

		
	}

	public String sign(String raw_body) throws java.security.SignatureException {
		String key = "$2a$12$uC3EG/zSaSI37KKOgt1IgetDRHJY6Q2zEVDBr0DeWcwQbGNU7pewy";
		String result = "";
		try {
			SecretKeySpec signingKey = new SecretKeySpec(key.getBytes("UTF-8"), "HmacSHA1");
			Mac mac = Mac.getInstance("HmacSHA1");
			mac.init(signingKey);
			byte[] rawHmac = mac.doFinal(raw_body.getBytes("UTF-8"));
			byte[] hexBytes = new org.apache.commons.codec.binary.Hex().encode(rawHmac);
			result = org.apache.commons.codec.binary.Base64.encodeBase64String(hexBytes).trim();
		} catch (Exception e) {
			throw new SignatureException("Failed to generate HMAC : " + e.getMessage());
		}
		return "meiqia_sign:" + result;
	}

	@RequestMapping(value = "test")
	public void test(PrintWriter out) {
		configService.getConfig(1L);
		out.print("success");
	}

}