package org.ruoyi.handler;

import lombok.extern.slf4j.Slf4j;
import me.chanjar.weixin.common.error.WxErrorException;
import me.chanjar.weixin.common.session.WxSessionManager;
import me.chanjar.weixin.cp.api.WxCpService;
import me.chanjar.weixin.cp.bean.WxCpUser;
import me.chanjar.weixin.cp.bean.message.WxCpXmlMessage;
import me.chanjar.weixin.cp.bean.message.WxCpXmlOutMessage;
import org.ruoyi.builder.TextBuilder;
import org.springframework.stereotype.Component;

import java.util.Map;

/**
 * @author <a href="https://github.com/binarywang">Binary Wang</a>
 */
@Slf4j
@Component
public class SubscribeHandler extends AbstractHandler {

    @Override
    public WxCpXmlOutMessage handle(WxCpXmlMessage wxMessage, Map<String, Object> context, WxCpService cpService,
                                    WxSessionManager sessionManager) throws WxErrorException {

        log.info("新关注用户 OPENID: " + wxMessage.getFromUserName());

        // 获取微信用户基本信息
        WxCpUser userWxInfo = cpService.getUserService().getById(wxMessage.getFromUserName());

        if (userWxInfo != null) {
            // TODO 可以添加关注用户到本地
        }

        WxCpXmlOutMessage responseResult = null;
        try {
            responseResult = handleSpecial(wxMessage);
        } catch (Exception e) {
            log.error(e.getMessage(), e);
        }

        if (responseResult != null) {
            return responseResult;
        }

        try {
            return new TextBuilder().build("感谢关注", wxMessage, cpService);
        } catch (Exception e) {
            log.error(e.getMessage(), e);
        }

        return null;
    }

    /**
     * 处理特殊请求，比如如果是扫码进来的，可以做相应处理
     */
    private WxCpXmlOutMessage handleSpecial(WxCpXmlMessage wxMessage) {
        //TODO
        return null;
    }

}