package com.xiaopeng.map.config.interceptor;

import com.xiaopeng.unifiedverification.interceptor.CheckForClientInterceptor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;
import org.springframework.web.method.HandlerMethod;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * CheckForClientInterceptor 包装器，用于处理静态资源请求
 * 避免 ClassCastException: ResourceHttpRequestHandler cannot be cast to HandlerMethod
 *
 * @author xiaopeng
 */
@Slf4j
@Component
public class SafeCheckForClientInterceptor implements HandlerInterceptor {

    @Resource
    private CheckForClientInterceptor checkForClientInterceptor;

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        // 如果不是 HandlerMethod，说明是静态资源请求，直接放行
        if (!(handler instanceof HandlerMethod)) {
            log.debug("请求 {} 是静态资源请求，跳过 CheckForClientInterceptor 验证", request.getRequestURI());
            return true;
        }

        // 如果是 HandlerMethod，则调用原始的拦截器进行验证
        try {
            return checkForClientInterceptor.preHandle(request, response, handler);
        } catch (ClassCastException e) {
            log.error("CheckForClientInterceptor 发生 ClassCastException，请求: {}, handler: {}",
                     request.getRequestURI(), handler.getClass().getName(), e);
            // 发生 ClassCastException 时，记录错误但允许请求继续
            return true;
        }
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,
                          org.springframework.web.servlet.ModelAndView modelAndView) throws Exception {
        // 如果不是 HandlerMethod，直接返回
        if (!(handler instanceof HandlerMethod)) {
            return;
        }

        // 调用原始拦截器的 postHandle 方法
        try {
            checkForClientInterceptor.postHandle(request, response, handler, modelAndView);
        } catch (Exception e) {
            log.error("CheckForClientInterceptor postHandle 发生异常，请求: {}", request.getRequestURI(), e);
        }
    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        // 如果不是 HandlerMethod，直接返回
        if (!(handler instanceof HandlerMethod)) {
            return;
        }

        // 调用原始拦截器的 afterCompletion 方法
        try {
            checkForClientInterceptor.afterCompletion(request, response, handler, ex);
        } catch (Exception e) {
            log.error("CheckForClientInterceptor afterCompletion 发生异常，请求: {}", request.getRequestURI(), e);
        }
    }
}