package cn.mb.cloud.gateway.filter;

import cn.mb.cloud.gateway.model.HeaderParams;
import com.alibaba.fastjson.JSON;
import lombok.extern.slf4j.Slf4j;
import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.core.Ordered;
import org.springframework.http.server.reactive.ServerHttpRequest;
import org.springframework.http.server.reactive.ServerHttpResponse;
import org.springframework.stereotype.Component;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;

import java.util.Map;

/**
 * 日志拦截器
 */
@Slf4j
@Component
public class RequestParamFilter implements GlobalFilter, Ordered {

    @Override
    public int getOrder() {
        return -1;
    }

    @Override
    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
        ServerHttpRequest request = exchange.getRequest();
        String uri = request.getURI().getRawPath();
        Map<String, Object> queryParams = QueryParamsUtil.getQueryParams(request);
        Map<String, Object> headerParams = QueryParamsUtil.getOriginalHeaderParams(request);
        log.info("请求操作 -> " + uri + " || 请求参数 -> " + JSON.toJSONString(queryParams) + " || Header信息 -> " + JSON.toJSONString(headerParams));
        return chain.filter(exchange);
    }
}