package com.zy.asrs.openapi.config;

import com.zy.asrs.common.sys.entity.OperateLog;
import com.zy.asrs.common.sys.service.OperateLogService;
import com.zy.asrs.framework.annotations.AppAuth;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.lang.Nullable;
import org.springframework.stereotype.Component;
import org.springframework.web.method.HandlerMethod;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.lang.reflect.Method;

@Component
public class AdminInterceptor extends HandlerInterceptorAdapter {

    @Autowired
    private OperateLogService operateLogService;

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        cors(response);
        if (handler instanceof org.springframework.web.servlet.resource.ResourceHttpRequestHandler) {
            return true;
        }
        // 跨域设置
        // response.setHeader("Access-Control-Allow-Origin", "*");
        HandlerMethod handlerMethod = (HandlerMethod) handler;
        Method method = handlerMethod.getMethod();
        if (method.isAnnotationPresent(AppAuth.class)){
            AppAuth annotation = method.getAnnotation(AppAuth.class);
            if (annotation.value().equals(AppAuth.Auth.CHECK)){
                request.setAttribute("appAuth", annotation.memo());
            }
        }
        return true;
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, @Nullable ModelAndView modelAndView) {
        Object obj = request.getAttribute("operateLog");
        if (obj instanceof OperateLog) {
            OperateLog operate = (OperateLog) obj;
            operate.setResponse(String.valueOf(response.getStatus()));
            operateLogService.save(operate);
        }
    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, @Nullable Exception ex) throws Exception {
//        Object r = request.getAttribute("cool-response");
    }

    /**
     * 跨域
     */
    public static void cors(HttpServletResponse response){
        // 跨域设置
        response.setHeader("Access-Control-Allow-Origin", "*");
        response.setHeader("Access-Control-Allow-Credentials", "true");
        response.setHeader("Access-Control-Allow-Methods", "*");
        response.setHeader("Access-Control-Allow-Headers", "Content-Type,Access-Token");
        response.setHeader("Access-Control-Expose-Headers", "*");

    }

}