package com.xiaopeng.api.factory.vehicleConvoy;

import com.xiaopeng.api.feignClient.vehicleConvoy.XpFleetVehicleClient;
import com.xiaopeng.common.core.domain.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.cloud.openfeign.FallbackFactory;
import org.springframework.stereotype.Component;

import java.util.Collections;
import java.util.List;

/**
 * 车队车辆Feign客户端降级工厂
 *
 * @author mitao
 */
@Slf4j
@Component
public class XpFleetVehicleClientFallbackFactory implements FallbackFactory<XpFleetVehicleClient> {

    @Override
    public XpFleetVehicleClient create(Throwable cause) {
        log.error("车队车辆服务调用失败: {}", cause.getMessage());
        return new XpFleetVehicleClient() {
            @Override
            public R<Long> getFleetIdByVehicleId(Long vehicleId) {
                log.error("根据车辆ID查询车队ID失败，车辆ID: {}，原因: {}", vehicleId, cause.getMessage());
                // 降级返回null，让调用方自行处理
                return R.ok(null);
            }

            @Override
            public R<List<Long>> listVehicleIdsByFleetId(Long fleetId) {
                log.error("根据车队ID查询车辆ID列表失败，车队ID: {}，原因: {}", fleetId, cause.getMessage());
                return R.ok(Collections.emptyList());
            }
        };
    }
}