package cc.mrbird.febs.pay.controller;

import cc.mrbird.febs.common.properties.XcxProperties;
import cc.mrbird.febs.common.utils.SpringContextHolder;
import cc.mrbird.febs.pay.util.WechatEventUtil;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;

/**
 * 微信事件通知 - 控制层
 */
@Slf4j
@RestController
@RequestMapping(value = "/api/wechat/reply")
public class AutoReplyController {


    private final XcxProperties xcxProperties = SpringContextHolder.getBean(XcxProperties.class);
//    @Value("${wechat.appId}")
//    private String wechatAppId;
//
//    @Value("${wechat.appSecret}")
//    private String wechatAppSecret;
//
//    // 这个Token就是微信后台 服务器配置 中的Token
//    @Value("${wechat.token}")
//    private String wechatToken;

    /**
     * 服务器校验
     * @param req 请求
     * @return 校验结果
     */
    @GetMapping("/event")
    public String verification(HttpServletRequest req) {
        return WechatEventUtil.verification(req, xcxProperties.getWechatToken());
    }

    /**
     * 消息事件
     * @param req 请求
     * @return 结果
     */
    @PostMapping("/event")
    public void messageEvent(HttpServletRequest req, HttpServletResponse resp) throws IOException {
        req.setCharacterEncoding("UTF-8");
        resp.setCharacterEncoding("UTF-8");
        String message = "success";
        PrintWriter out = resp.getWriter();
        try {
            String messageEvent = WechatEventUtil.messageEvent(req);
            if(messageEvent != null) {
                message = messageEvent;
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            log.info("消息事件:"+message);
            out.write(message);
            if (out != null) {
                out.close();
            }
        }
    }
}