package com.sinata.appointment.service;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.sinata.appointment.constants.BizErrorCode;
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import com.sinata.appointment.constants.MiniLoginIntent;
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import com.sinata.appointment.constants.MiniUserType;
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import com.sinata.appointment.constants.MpStaffConstants;
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import com.sinata.appointment.config.MiniStpUtil;
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import com.sinata.appointment.dto.MiniLoginResponse;
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import com.sinata.appointment.dto.MiniWxLoginRequest;
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import com.sinata.appointment.entity.MpUser;
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import com.sinata.appointment.entity.SysDept;
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import com.sinata.appointment.exception.BizException;
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import com.sinata.appointment.integration.WechatMiniGateway;
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import com.sinata.appointment.integration.WxCode2SessionResult;
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import com.sinata.appointment.mapper.SysDeptMapper;
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import com.sinata.appointment.mapper.MpUserMapper;
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import java.util.List;
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import java.util.Objects;
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import com.sinata.appointment.util.PhoneNormalize;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import org.springframework.util.StringUtils;
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/**
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* 小程序登录：js_code → openId；phoneCode + access_token → 手机号；访客/员工与平台 sys_user 无关联。
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*/
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@Service
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public class MiniAuthApplicationService {
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private static final String H5_PHONE_OPEN_ID_PREFIX = "H5_PHONE_";
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private final MpUserMapper mpUserMapper;
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private final SysDeptMapper sysDeptMapper;
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private final WechatMiniGateway wechatMiniGateway;
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public MiniAuthApplicationService(
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MpUserMapper mpUserMapper,
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SysDeptMapper sysDeptMapper,
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WechatMiniGateway wechatMiniGateway) {
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this.mpUserMapper = mpUserMapper;
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this.sysDeptMapper = sysDeptMapper;
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this.wechatMiniGateway = wechatMiniGateway;
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}
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@Transactional(rollbackFor = Exception.class)
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public MiniLoginResponse loginByWx(MiniWxLoginRequest req) {
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WxCode2SessionResult session = wechatMiniGateway.code2Session(req.getWxCode());
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String openId = session.getOpenId();
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String phoneRaw = wechatMiniGateway.getPhoneNumber(req.getPhoneCode());
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String phone = PhoneNormalize.mainland(phoneRaw);
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MpUser user =
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mpUserMapper.selectOne(
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new LambdaQueryWrapper<MpUser>()
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.eq(MpUser::getOpenId, openId)
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.eq(MpUser::getDelFlag, 0));
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if (MiniLoginIntent.EMPLOYEE.equals(req.getLoginIntent())) {
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if (user == null) {
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user = tryBindPreRegisteredEmployee(openId, session.getUnionId(), phone, phoneRaw);
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}
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if (user == null) {
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throw new BizException(BizErrorCode.MINI_STAFF_NOT_BOUND, "员工未登记，请联系管理员开通后再登录");
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}
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assertAccountEnabled(user);
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if (!MiniUserType.EMPLOYEE.equals(user.getUserType())) {
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throw new BizException(
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BizErrorCode.MINI_LOGIN_INTENT_MISMATCH, "当前微信为访客身份，请使用访客入口登录");
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}
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if (user.getDeptId() == null) {
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throw new BizException(BizErrorCode.MINI_STAFF_NOT_BOUND, "员工未分配部门");
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}
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assertPhoneMatchesStored(user, phone);
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syncMpUserMobile(user, phoneRaw);
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if (user.getUnionId() == null && session.getUnionId() != null) {
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user.setUnionId(session.getUnionId());
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mpUserMapper.updateById(user);
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}
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MiniStpUtil.login(user.getId());
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return buildResponse(user);
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}
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if (MiniLoginIntent.VISITOR.equals(req.getLoginIntent())) {
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if (user == null) {
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MpUser created = new MpUser();
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created.setOpenId(openId);
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created.setUnionId(session.getUnionId());
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created.setUserType(MiniUserType.VISITOR);
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created.setMobile(phoneRaw);
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created.setStatus(1);
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mpUserMapper.insert(created);
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user = mpUserMapper.selectById(created.getId());
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} else {
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assertAccountEnabled(user);
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if (!MiniUserType.VISITOR.equals(user.getUserType())) {
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throw new BizException(
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BizErrorCode.MINI_LOGIN_INTENT_MISMATCH, "当前微信已登记为员工，请使用员工入口登录");
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}
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assertPhoneMatchesStored(user, phone);
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syncMpUserMobile(user, phoneRaw);
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if (user.getUnionId() == null && session.getUnionId() != null) {
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user.setUnionId(session.getUnionId());
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mpUserMapper.updateById(user);
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}
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}
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MiniStpUtil.login(user.getId());
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return buildResponse(user);
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}
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throw new BizException(BizErrorCode.AUTH_INVALID_CREDENTIALS, "loginIntent 无效");
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}
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@Transactional(rollbackFor = Exception.class)
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public MiniLoginResponse loginByPhone(String mobileRaw) {
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String phone = PhoneNormalize.mainland(mobileRaw);
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if (!phone.matches("^\\d{11}$")) {
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throw new BizException(BizErrorCode.AUTH_INVALID_CREDENTIALS, "手机号格式不正确");
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}
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List<MpUser> users =
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mpUserMapper.selectList(
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new LambdaQueryWrapper<MpUser>()
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.eq(MpUser::getDelFlag, 0));
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MpUser user =
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users.stream()
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.filter(Objects::nonNull)
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.filter(u -> phone.equals(PhoneNormalize.mainland(u.getMobile())))
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.sorted(this::compareByLoginPriority)
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.findFirst()
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.orElse(null);
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if (user == null) {
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user = registerVisitorForPhoneLogin(mobileRaw);
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} else {
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assertAccountEnabled(user);
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}
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if (MiniUserType.EMPLOYEE.equals(user.getUserType()) && user.getDeptId() == null) {
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throw new BizException(BizErrorCode.MINI_STAFF_NOT_BOUND, "员工未分配部门");
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}
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ensureOpenIdForPhoneLogin(user);
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MiniStpUtil.login(user.getId());
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return buildResponse(user);
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}
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/**
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* 管理端预建档员工（openId 为 PLHD_ 占位）：按手机号绑定当前微信 openId。
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*/
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private MpUser tryBindPreRegisteredEmployee(
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String openId, String unionId, String normalizedPhone, String phoneRaw) {
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List<MpUser> candidates =
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mpUserMapper.selectList(
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new LambdaQueryWrapper<MpUser>()
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.eq(MpUser::getUserType, MiniUserType.EMPLOYEE)
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.eq(MpUser::getDelFlag, 0)
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.likeRight(MpUser::getOpenId, MpStaffConstants.PLACEHOLDER_OPEN_ID_PREFIX));
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for (MpUser u : candidates) {
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if (u.getOpenId() == null || !MpStaffConstants.isPlaceholderOpenId(u.getOpenId())) {
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continue;
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}
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String stored = PhoneNormalize.mainland(u.getMobile());
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if (stored.isBlank() || !stored.equals(normalizedPhone)) {
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continue;
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}
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u.setOpenId(openId);
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if (unionId != null) {
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u.setUnionId(unionId);
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}
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syncMpUserMobile(u, phoneRaw);
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mpUserMapper.updateById(u);
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return mpUserMapper.selectById(u.getId());
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}
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return null;
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}
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private void assertPhoneMatchesStored(MpUser user, String normalizedPhone) {
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if (user.getMobile() == null || user.getMobile().isBlank()) {
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return;
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}
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String stored = PhoneNormalize.mainland(user.getMobile());
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if (!stored.isBlank() && !stored.equals(normalizedPhone)) {
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throw new BizException(BizErrorCode.MINI_PHONE_MISMATCH, "手机号与登记信息不一致");
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}
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}
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private void syncMpUserMobile(MpUser user, String phoneRaw) {
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boolean needUpdate = false;
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if (user.getMobile() == null || user.getMobile().isBlank()) {
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user.setMobile(phoneRaw);
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needUpdate = true;
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}
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if (needUpdate) {
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mpUserMapper.updateById(user);
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}
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}
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private void assertAccountEnabled(MpUser user) {
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if (user == null || user.getStatus() == null || user.getStatus() != 0) {
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return;
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}
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if (MiniUserType.EMPLOYEE.equals(user.getUserType())) {
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throw new BizException(BizErrorCode.AUTH_FORBIDDEN, "员工账号已禁用");
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}
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throw new BizException(BizErrorCode.AUTH_FORBIDDEN, "账号已被禁用");
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}
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private int compareByLoginPriority(MpUser a, MpUser b) {
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int pa = loginPriority(a);
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int pb = loginPriority(b);
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if (pa != pb) {
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return Integer.compare(pa, pb);
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}
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Long aid = a.getId() == null ? Long.MAX_VALUE : a.getId();
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Long bid = b.getId() == null ? Long.MAX_VALUE : b.getId();
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return Long.compare(aid, bid);
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}
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private int loginPriority(MpUser u) {
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if (MiniUserType.EMPLOYEE.equals(u.getUserType())) {
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return 0;
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}
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if (MiniUserType.VISITOR.equals(u.getUserType())) {
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return 1;
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}
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return 2;
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}
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private void ensureOpenIdForPhoneLogin(MpUser user) {
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if (StringUtils.hasText(user.getOpenId())) {
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return;
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}
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user.setOpenId(H5_PHONE_OPEN_ID_PREFIX + user.getId());
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mpUserMapper.updateById(user);
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}
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private MpUser registerVisitorForPhoneLogin(String mobileRaw) {
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MpUser created = new MpUser();
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created.setUserType(MiniUserType.VISITOR);
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created.setMobile(mobileRaw);
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created.setStatus(1);
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mpUserMapper.insert(created);
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return mpUserMapper.selectById(created.getId());
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}
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public MpUser currentMpUser() {
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long id = MiniStpUtil.getLoginIdAsLong();
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MpUser u = mpUserMapper.selectById(id);
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if (u == null || u.getDelFlag() != null && u.getDelFlag() == 1) {
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throw new BizException(BizErrorCode.AUTH_FORBIDDEN, "用户不存在或已禁用");
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}
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assertAccountEnabled(u);
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return u;
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}
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public void logout() {
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MiniStpUtil.logout();
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}
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private MiniLoginResponse buildResponse(MpUser user) {
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String name =
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user.getNickName() != null && !user.getNickName().isBlank()
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? user.getNickName()
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: (MiniUserType.EMPLOYEE.equals(user.getUserType()) ? "员工" : "访客");
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String deptName = null;
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if (MiniUserType.EMPLOYEE.equals(user.getUserType()) && user.getDeptId() != null) {
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SysDept dept = sysDeptMapper.selectById(user.getDeptId());
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deptName = dept == null ? null : dept.getDeptName();
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}
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Boolean leader =
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MiniUserType.EMPLOYEE.equals(user.getUserType())
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? Boolean.TRUE.equals(user.getDeptLeaderFlag())
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: null;
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return MiniLoginResponse.builder()
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.token(MiniStpUtil.getTokenValue())
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.mpUserId(user.getId())
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.userType(user.getUserType())
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.deptId(user.getDeptId())
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.deptName(deptName)
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.deptLeader(leader)
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.avatarUrl(user.getAvatarUrl())
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.displayName(name)
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.build();
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}
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}
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