package com.xiaopeng.api.factory.account;

import com.xiaopeng.api.dto.statistics.StatisticsQueryDTO;
import com.xiaopeng.api.dto.statistics.UserStatisticsDTO;
import com.xiaopeng.api.feignClient.account.XpAppUserClient;
import com.xiaopeng.api.model.account.XpAppUser;
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.ArrayList;
import java.util.List;

/**
 * 小程序用户Feign客户端降级工厂
 *
 * @author mitao
 */
@Slf4j
@Component
public class XpAppUserClientFallbackFactory implements FallbackFactory<XpAppUserClient> {

    @Override
    public XpAppUserClient create(Throwable cause) {
        log.error("用户服务调用失败: {}", cause.getMessage());
        return new XpAppUserClient() {
            @Override
            public R<UserStatisticsDTO> getUserStatistics(StatisticsQueryDTO query) {
                log.error("获取用户统计数据失败，原因: {}", cause.getMessage());
                // 降级返回空数据
                UserStatisticsDTO dto = new UserStatisticsDTO();
                dto.setTotalCount(0L);
                dto.setNewCount(0L);
                dto.setDailyCountList(new ArrayList<>());
                return R.ok(dto);
            }

            @Override
            public R<List<XpAppUser>> listByIds(List<Long> ids) {
                log.error("批量查询用户信息失败，原因: {}", cause.getMessage());
                // 降级返回空列表
                return R.ok(new ArrayList<>());
            }

            @Override
            public R<XpAppUser> queryOperationsUserById(Long id) {
                log.error("根据ID查询用户信息失败，原因: {}", cause.getMessage());
                return R.fail("根据ID查询用户信息失败，"+cause.getMessage());
            }
        };
    }
}