package cn.jsxwsl.maven.ssm.controller;

import java.util.HashMap;
import java.util.Map;
import java.util.UUID;

import javax.servlet.http.HttpServletRequest;

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

import cn.jsxwsl.maven.ssm.utlis.HttpUtil;

import com.alibaba.druid.support.json.JSONParser;

/**
 * 小程序测试登陆
 * 
 * @author sleeping
 * 
 */

@Controller
@RequestMapping("/wx")
public class WxLoginController {

	private static String appid = "";
	private static String sccret = "";
	private static String url = "https://api.weixin.qq.com/sns/jscode2session?appid=APPID&secret=SECRET&js_code=JSCODE&grant_type=authorization_code";

	@RequestMapping("/login")
	@ResponseBody
	public Map<String, Object> login(HttpServletRequest request) {
		Map<String, Object> map = new HashMap<>();
		
		try {
			// 获取参数 code
			String code = request.getParameter("code");
			if (code == null || code == "") {
				map.put("state", false);
				return map;
			}
			String getUrl = url.replace("APPID", appid).replace("SECRET", sccret).replace("JSCODE", code);
			System.out.println(getUrl);
			
			//发送请求
			String ret = HttpUtil.doGet(getUrl , null);
			System.out.println(ret);
			
			//转换格式
			JSONParser jsonParser = new JSONParser(ret);
			Map<String, Object> json = jsonParser.parseMap();
			
			// 取返回的值
			String openid = (String) json.get("openid");
			String session_key = (String) json.get("session_key");
			System.out.println(openid);
			System.out.println(session_key);
			
			// 获取失败
			if( openid == null ){
				map.put("state", false);
				return map;
			}
			
			// 获取成功
			UUID uuid = UUID.randomUUID();
			map.put("state", true);
			map.put("session", uuid);
			
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			map.put("state", false);
			return map;
		}
		
		return map;
	}
	
	
	
	
	
	
	
	
	

}