package com.test.interceptor;

import com.alibaba.fastjson.JSON;
import com.test.bean.Result;
import com.test.util.JwtUtils;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

@Slf4j
@Component
public class LoginCheckInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        String url = request.getRequestURI();
        if (url.contains("login")) {
            return true;
        }
        String jwt = request.getHeader("token");
        if (jwt == null || jwt.isEmpty()) {
            log.info("NoLoginRequest");
            Result error = Result.error("NO_LOGIN");
            response.setStatus(401);
            response.getWriter().write(JSON.toJSONString(error));
            return false;
        }

        try {
            JwtUtils.parseJwt(jwt);
        } catch (Exception e) {
            log.info("NoLoginRequest");
            Result error = Result.error("NO_LOGIN");
            response.setStatus(401);
            response.getWriter().write(JSON.toJSONString(error));
            return false;
        }
        return true;
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
        HandlerInterceptor.super.postHandle(request, response, handler, modelAndView);
    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        HandlerInterceptor.super.afterCompletion(request, response, handler, ex);
    }
}
