package com.cmvr.resource.service;

import com.cmvr.common.exception.GlobalException;
import com.cmvr.common.robot.RobotEndpoint;
import com.cmvr.common.robot.RobotEndpointResolver;
import com.cmvr.resource.config.ResourceRobotStateProperties;
import com.cmvr.resource.domain.ResourceRobot;
import com.cmvr.resource.mapper.ResourceRobotMapper;
import lombok.RequiredArgsConstructor;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;

import java.util.Date;

@Service
@RequiredArgsConstructor
public class ResourceRobotEndpointResolver implements RobotEndpointResolver {
    private final ResourceRobotMapper robotMapper;
    private final ResourceRobotStateProperties stateProperties;

    @Override
    public RobotEndpoint resolve(String robotId) {
        String normalized = StringUtils.trimToNull(robotId);
        if (normalized == null) {
            throw new GlobalException("机器人ID不能为空");
        }
        if (stateProperties.isVirtualRobot(normalized)) {
            throw new GlobalException("虚拟机器人不能调用边缘设备服务：" + normalized);
        }
        ResourceRobot robot = robotMapper.selectByRobotIdentity(normalized);
        if (robot == null) {
            throw new GlobalException("机器人不存在：" + normalized);
        }
        if ("1".equals(robot.getArchivedStatus())) {
            throw new GlobalException("机器人已归档：" + normalized);
        }
        if (!"1".equals(robot.getConnectStatus())) {
            throw new GlobalException("机器人当前离线：" + normalized);
        }
        Date cutoff = stateProperties.heartbeatCutoff(new Date());
        if (robot.getLastHeartbeatTime() == null || robot.getLastHeartbeatTime().before(cutoff)) {
            throw new GlobalException("机器人QUIC心跳已超时：" + normalized);
        }
        if (StringUtils.isBlank(robot.getIpAddress()) || robot.getPort() == null) {
            throw new GlobalException("机器人尚未上报gRPC地址：" + normalized);
        }
        return new RobotEndpoint(robot.getIpAddress(), robot.getPort().intValue());
    }
}