package com.bjtds.brichat.config;

import com.bjtds.common.utils.FeignSudoUtil;
import feign.RequestInterceptor;
import feign.RequestTemplate;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;
import java.util.Enumeration;
import java.util.HashSet;

/**
 * fegin 配置文件
 * 
 *
 * 2019年3月29日
 */
//@Component
public class FeignConfiguration extends FeignSudoUtil implements RequestInterceptor {


    @Override
    public void apply(RequestTemplate template) {

        ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
        HashSet<String> existHeaders = new HashSet<String>();
        if (attributes != null) {
            HttpServletRequest request = attributes.getRequest();
            Enumeration<String> headerNames = request.getHeaderNames();

            if (headerNames != null) {
                while (headerNames.hasMoreElements()) {

                    String name = headerNames.nextElement();
                    existHeaders.add(name);

                    String values = this.filterHeader(name, request.getHeader(name));
                    if (values != null) {
                        template.header(name, values);
                    }
                }
            }
        }

        // for ZB {
        if (!existHeaders.contains("__User__")) {
            template.header("__User__", "1");
        }

        if (!existHeaders.contains("__UserName__")) {
            template.header("__UserName__","admin");
        }

        if (!existHeaders.contains("__Role__")) {
            template.header("__Role__", "SuperUsers");
        }
        if (!existHeaders.contains("__Department__")) {
            template.header("__Department__", "");
        }
        if (!existHeaders.contains("__Permission__")) {
            template.header("__Permission__", "*:*:*");
        }
         // } for ZB
    }


}