package anyi.space.memberConsumer.config;

import org.springframework.cloud.gateway.route.RouteLocator;
import org.springframework.cloud.gateway.route.builder.RouteLocatorBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.HttpMethod;


/**
 * @ProjectName: distributedSystemLearn
 * @FileName: GatewayConfig
 * @Author: 杨逸
 * @Data:2025/9/10 16:33
 * @Description: gateway配置类
 */
@Configuration
public class GatewayConfig {
    //@Bean
    public RouteLocator myRouteLocator01(RouteLocatorBuilder builder){
        //根据配置文件改写为配置类的形式
        RouteLocatorBuilder.Builder routes = builder.routes();
        routes.route("member10001",r-> {
            return r
                    //路径断言
                    .path("/member-gateway/member")
                    .and()
                    //请求方法断言
                    .method(HttpMethod.GET)
                    //过滤器重写路径
                    .filters(fn ->{
                        //添加请求头
                        fn.addRequestHeader("headerName","配置类配置的-headValue");
                        //路径重写
                        fn.rewritePath("/member-gateway/(?<segment>.*)","/member-provider/$\\{segment}");
                        return fn;
                    })
                    //转发目标地址
                    .uri("lb://member-service-provider");

        });
        return routes.build();
    }
    //@Bean
    public RouteLocator myRouteLocator02(RouteLocatorBuilder builder){
        RouteLocatorBuilder.Builder routes = builder.routes();
        routes.route("member10002",r->{
            //自定义断言
            //r.predicate(new GatewayPredicate() {
            //    @Override
            //    public boolean test(ServerWebExchange serverWebExchange) {
            //        //断言是否为post请求方法
            //        HttpMethod.POST.equals(serverWebExchange.getRequest().getMethod());
            //        serverWebExchange.getRequest().getPath();
            //        return false;
            //    }
            //});
            return r.path("/member-gateway/member")
                    .and()
                    .method(HttpMethod.POST)
                    .filters(fn->{
                        return fn.rewritePath("/member-gateway/(?<segment>.*)","/member-provider/$\\{segment}");
                    }).uri("http://localhost:10002");
        });
        return routes.build();
    }
}