package com.xiaopeng.automaticPilot.service.impl;

import com.xiaopeng.api.feignClient.account.XpOperationUserClient;
import com.xiaopeng.api.feignClient.account.XpOperationsRoleClient;
import com.xiaopeng.api.feignClient.operation.SmsClient;
import com.xiaopeng.api.model.account.XpOperationsRole;
import com.xiaopeng.api.model.account.XpOperationsUser;
import com.xiaopeng.api.vo.operation.SmsVo;
import com.xiaopeng.automaticPilot.dto.XpCommonResponse;
import com.xiaopeng.automaticPilot.dto.RobotaxiSmsCodeRequest;
import com.xiaopeng.automaticPilot.dto.RobotaxiSmsValidateRequest;
import com.xiaopeng.automaticPilot.service.VehicleRtInfoService;
import com.xiaopeng.api.dto.vehicleConvoy.UpdateVehicleStateDto;
import com.xiaopeng.api.feignClient.vehicleConvoy.XpVehicleClient;
import com.xiaopeng.api.model.vehicleConvoy.XpVehicle;
import com.xiaopeng.common.core.domain.R;
import com.xiaopeng.common.core.utils.MsgUtil;
import com.xiaopeng.common.core.utils.StringUtils;
import com.xiaopeng.common.redis.service.RedisService;
import com.xiaopeng.automaticPilot.enums.RobotaxiErrorEnum;
import com.xiaopeng.automaticPilot.enums.SmsPushType;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import org.springframework.util.CollectionUtils;

import javax.annotation.Resource;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.concurrent.TimeUnit;

@Slf4j
@Service
public class VehicleRtInfoServiceImpl implements VehicleRtInfoService {

    private static final long CODE_TTL_MINUTES = 5L;
    public static final String ROBOTAXI_VERIFY_CODE_SMS_TPL = "RobotaxiVerifyCodeSmsTpl";
    public static final String ROBOTAXI_VERIFY_CODE_SMS = "RobotaxiVerifyCodeSms";

    @Resource
    private RedisService redisService;

    @Resource
    private XpVehicleClient xpVehicleClient;

    @Resource
    private SmsClient smsClient;

    @Resource
    private XpOperationUserClient xpOperationUserClient;

    @Resource
    private XpOperationsRoleClient xpOperationsRoleClient;

    @Value("${robotaxi.sms.app-id:1476153389173952512}")
    private String smsAppId;

    @Value("#{'${robotaxi.sms.whitelist.mobiles:}'.split(',')}")
    private List<String> whitelistMobiles;

    /**
     * 安全员角色ID，未配置或为空则不做安全员角色校验
     */
    @Value("${robotaxi.sms.safety-officer-role-id:#{null}}")
    private Long safetyOfficerRoleId;

    @Override
    public XpCommonResponse<?> getRobotaxiSmsCode(RobotaxiSmsCodeRequest request) {
        XpCommonResponse<?> paramCheckError = validateSmsCodeRequest(request);
        if (paramCheckError != null) {
            return paramCheckError;
        }

        // 校验用户是否为安全员角色
        XpCommonResponse<?> roleCheckError = validateSafetyOfficerRole(request.getMobile());
        if (roleCheckError != null) {
            return roleCheckError;
        }

        XpCommonResponse<?> vehicleCheckError = validateVehicleReadyIfNeeded(request.getSmsType(), request.getVin());
        if (vehicleCheckError != null) {
            return vehicleCheckError;
        }

        String code = MsgUtil.createCode();
        log.info("Robotaxi SMS code generated for mobile {}: {}", request.getMobile(), code);
        
        // TODO: Call SMS interface to send code when available
//         sendSms(request.getMobile(), code);
        Map<String, String> param = Collections.singletonMap("code", code);
        SmsVo smsVo = new SmsVo();
        smsVo.setAppId(smsAppId);
        smsVo.setParams(param);
        smsVo.setTemplateCode(ROBOTAXI_VERIFY_CODE_SMS_TPL);
        smsVo.setAppPushConfigCode(ROBOTAXI_VERIFY_CODE_SMS);
        smsVo.setReceivers(request.getMobile());
        smsVo.setPushType(SmsPushType.SMS.getCode());
        smsClient.pushSms(smsVo);

        String key = buildSmsCodeKey(request.getSmsType(), request.getVin(), request.getMobile());
        redisService.setCacheObject(key, code, CODE_TTL_MINUTES, TimeUnit.MINUTES);
        return XpCommonResponse.ok(Collections.emptyMap());
    }

    @Override
    public XpCommonResponse<?> validateRobotaxiSmsCode(RobotaxiSmsValidateRequest request) {
        XpCommonResponse<?> paramCheckError = validateSmsValidateRequest(request);
        if (paramCheckError != null) {
            return paramCheckError;
        }

        XpCommonResponse<?> vehicleCheckError = validateVehicleReadyIfNeeded(request.getSmsType(), request.getVin());
        if (vehicleCheckError != null) {
            return vehicleCheckError;
        }

        boolean isWhitelisted = whitelistMobiles != null && whitelistMobiles.contains(request.getMobile());
        
        String key = buildSmsCodeKey(request.getSmsType(), request.getVin(), request.getMobile());

        if (!isWhitelisted) {
            String cachedCode = redisService.getCacheObject(key);
            if (StringUtils.isEmpty(cachedCode)) {
                return XpCommonResponse.fail(RobotaxiErrorEnum.VERIFY_CODE_ERROR);
            }
            if (!cachedCode.equals(request.getCode())) {
                return XpCommonResponse.fail(RobotaxiErrorEnum.VERIFY_CODE_ERROR);
            }
            redisService.deleteObject(key);
        } else {
            redisService.deleteObject(key);
        }
        return XpCommonResponse.ok(Collections.emptyMap());
    }

    private XpCommonResponse<?> validateSmsCodeRequest(RobotaxiSmsCodeRequest request) {
        if (StringUtils.isAnyEmpty(request.getSmsType(), request.getVin(), request.getMobile())) {
            return XpCommonResponse.fail(RobotaxiErrorEnum.GENERAL_ERROR);
        }
        if (!isSupportedSmsType(request.getSmsType())) {
            return XpCommonResponse.fail(RobotaxiErrorEnum.GENERAL_ERROR);
        }
        return null;
    }

    private XpCommonResponse<?> validateSmsValidateRequest(RobotaxiSmsValidateRequest request) {
        if (StringUtils.isAnyEmpty(request.getSmsType(), request.getVin(), request.getMobile(), request.getCode())) {
            return XpCommonResponse.fail(RobotaxiErrorEnum.GENERAL_ERROR);
        }
        if (!isSupportedSmsType(request.getSmsType())) {
            return XpCommonResponse.fail(RobotaxiErrorEnum.GENERAL_ERROR);
        }
        return null;
    }

    private boolean isSupportedSmsType(String smsType) {
        return SmsType.ACCEPT_RIDES.name().equals(smsType) || SmsType.STOP_ACCEPT_RIDES.name().equals(smsType);
    }

    private XpCommonResponse<?> validateVehicleReadyIfNeeded(String smsType, String vin) {
        if (!SmsType.ACCEPT_RIDES.name().equals(smsType)) {
            return null;
        }
        XpVehicle vehicle = xpVehicleClient.findByVehicleVin(vin).getData();
        if (vehicle == null) {
            return XpCommonResponse.fail(RobotaxiErrorEnum.MOBILE_VIN_MISMATCH);
        }
        Integer status = vehicle.getStatus();
        Integer operatingStatus = vehicle.getOperatingStatus();
        if (smsType.equals(SmsType.ACCEPT_RIDES.name()) && operatingStatus != 1) {
            return XpCommonResponse.fail(RobotaxiErrorEnum.VEHICLE_NOT_READY);
        }
        if (smsType.equals(SmsType.STOP_ACCEPT_RIDES.name()) && operatingStatus != 3) {
            return XpCommonResponse.fail(RobotaxiErrorEnum.VEHICLE_NOT_READY);
        }
        return null;
    }

    /**
     * 校验手机号对应的运维人员是否拥有安全员角色。
     * 若未配置 safetyOfficerRoleId 则跳过校验。
     */
    private XpCommonResponse<?> validateSafetyOfficerRole(String mobile) {
        if (safetyOfficerRoleId == null) {
            return null;
        }
        try {
            R<XpOperationsUser> userResult = xpOperationUserClient.getByExactPhone(mobile);
            if (userResult == null || userResult.getData() == null) {
                log.warn("安全员角色校验失败：手机号 {} 未找到对应运维人员", mobile);
                return XpCommonResponse.fail(RobotaxiErrorEnum.NOT_SAFETY_OFFICER);
            }

            R<List<XpOperationsRole>> roleRelResult = xpOperationsRoleClient.listByOperationUserId(userResult.getData().getId());
            if (roleRelResult != null && !CollectionUtils.isEmpty(roleRelResult.getData())) {
                for (XpOperationsRole operationsRole : roleRelResult.getData()) {
                    if (safetyOfficerRoleId.equals(operationsRole.getRoleId())) {
                        return null; // 校验通过
                    }
                }
            }

            log.warn("安全员角色校验失败：运维人员 {} 不具备安全员角色(roleId={})", userResult.getData().getId(), safetyOfficerRoleId);
            return XpCommonResponse.fail(RobotaxiErrorEnum.NOT_SAFETY_OFFICER);
        } catch (Exception e) {
            log.error("安全员角色校验异常，mobile={}", mobile, e);
            return XpCommonResponse.fail(RobotaxiErrorEnum.GENERAL_ERROR);
        }
    }

    private String buildSmsCodeKey(String smsType, String vin, String mobile) {
        return "ROBOTAXI_SMS_CODE:" + smsType + ":" + vin + ":" + mobile;
    }
}