package cn.iocoder.yudao.module.member.service.user;

import cn.hutool.core.util.IdUtil;
import cn.hutool.core.util.StrUtil;
import cn.iocoder.yudao.framework.common.enums.CommonStatusEnum;
import cn.iocoder.yudao.framework.common.pojo.PageResult;
import cn.iocoder.yudao.module.infra.api.file.FileApi;
import cn.iocoder.yudao.module.member.controller.admin.user.vo.MemberUserPageReqVO;
import cn.iocoder.yudao.module.member.controller.admin.user.vo.MemberUserUpdateReqVO;
import cn.iocoder.yudao.module.member.controller.app.user.vo.AppMemberUserResetPasswordReqVO;
import cn.iocoder.yudao.module.member.controller.app.user.vo.AppMemberUserUpdateMobileReqVO;
import cn.iocoder.yudao.module.member.controller.app.user.vo.AppMemberUserUpdatePasswordReqVO;
import cn.iocoder.yudao.module.member.controller.app.user.vo.AppMemberUserUpdateReqVO;
import cn.iocoder.yudao.module.member.convert.auth.AuthConvert;
import cn.iocoder.yudao.module.member.convert.user.MemberUserConvert;
import cn.iocoder.yudao.module.member.dal.dataobject.user.MemberUserDO;
import cn.iocoder.yudao.module.member.dal.mysql.user.MemberUserMapper;
import cn.iocoder.yudao.module.member.service.level.MemberLevelService;
import cn.iocoder.yudao.module.system.api.sms.SmsCodeApi;
import cn.iocoder.yudao.module.system.api.sms.dto.code.SmsCodeUseReqDTO;
import cn.iocoder.yudao.module.system.enums.sms.SmsSceneEnum;
import com.google.common.annotations.VisibleForTesting;
import lombok.extern.slf4j.Slf4j;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import javax.annotation.Resource;
import javax.validation.Valid;
import java.time.LocalDateTime;
import java.util.Collection;
import java.util.List;

import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
import static cn.iocoder.yudao.framework.common.util.servlet.ServletUtils.getClientIP;
import static cn.iocoder.yudao.module.member.enums.ErrorCodeConstants.*;

/**
 * 会员 User Service 实现类
 *
 * @author 芋道源码
 */
@Service
@Valid
@Slf4j
public class MemberUserServiceImpl implements MemberUserService {

    @Resource
    private MemberUserMapper memberUserMapper;

    @Resource
    private FileApi fileApi;
    @Resource
    private SmsCodeApi smsCodeApi;

    @Resource
    private PasswordEncoder passwordEncoder;

    @Resource
    private MemberLevelService memberLevelService;

    @Override
    public MemberUserDO getUserByMobile(String mobile) {
        return memberUserMapper.selectByMobile(mobile);
    }

    @Override
    public List<MemberUserDO> getUserListByNickname(String nickname) {
        return memberUserMapper.selectListByNicknameLike(nickname);
    }

    @Override
    public MemberUserDO createUserIfAbsent(String mobile, String registerIp) {
        // 用户已经存在
        MemberUserDO user = memberUserMapper.selectByMobile(mobile);
        if (user != null) {
            return user;
        }
        // 用户不存在，则进行创建
        return this.createUser(mobile, registerIp);
    }

    private MemberUserDO createUser(String mobile, String registerIp) {
        // 生成密码
        String password = IdUtil.fastSimpleUUID();
        // 插入用户
        MemberUserDO user = new MemberUserDO();
        user.setMobile(mobile);
        user.setStatus(CommonStatusEnum.ENABLE.getStatus()); // 默认开启
        user.setPassword(encodePassword(password)); // 加密密码
        user.setRegisterIp(registerIp);
        memberUserMapper.insert(user);
        return user;
    }

    @Override
    public void updateUserLogin(Long id, String loginIp) {
        memberUserMapper.updateById(new MemberUserDO().setId(id)
                .setLoginIp(loginIp).setLoginDate(LocalDateTime.now()));
    }

    @Override
    public MemberUserDO getUser(Long id) {
        return memberUserMapper.selectById(id);
    }

    @Override
    public List<MemberUserDO> getUserList(Collection<Long> ids) {
        return memberUserMapper.selectBatchIds(ids);
    }

    @Override
    public void updateUser(Long userId, AppMemberUserUpdateReqVO reqVO) {
        memberUserMapper.updateById(new MemberUserDO().setId(userId)
                .setNickname(reqVO.getNickname()).setAvatar(reqVO.getAvatar()));
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void updateUserMobile(Long userId, AppMemberUserUpdateMobileReqVO reqVO) {
        // 检测用户是否存在
        MemberUserDO user = validateUserExists(userId);
        // 校验新手机是否已经被绑定
        validateMobileUnique(null, reqVO.getMobile());

        // 校验旧手机和旧验证码
        smsCodeApi.useSmsCode(new SmsCodeUseReqDTO().setMobile(user.getMobile()).setCode(reqVO.getOldCode())
                .setScene(SmsSceneEnum.MEMBER_UPDATE_MOBILE.getScene()).setUsedIp(getClientIP()));
        // 使用新验证码
        smsCodeApi.useSmsCode(new SmsCodeUseReqDTO().setMobile(reqVO.getMobile()).setCode(reqVO.getCode())
                .setScene(SmsSceneEnum.MEMBER_UPDATE_MOBILE.getScene()).setUsedIp(getClientIP()));

        // 更新用户手机
        memberUserMapper.updateById(MemberUserDO.builder().id(userId).mobile(reqVO.getMobile()).build());
    }

    @Override
    public void updateUserPassword(Long userId, AppMemberUserUpdatePasswordReqVO reqVO) {
        // 检测用户是否存在
        MemberUserDO user = validateUserExists(userId);
        // 校验验证码
        smsCodeApi.useSmsCode(new SmsCodeUseReqDTO().setMobile(user.getMobile()).setCode(reqVO.getCode())
                .setScene(SmsSceneEnum.MEMBER_UPDATE_PASSWORD.getScene()).setUsedIp(getClientIP()));

        // 更新用户密码
        memberUserMapper.updateById(MemberUserDO.builder().id(userId)
                .password(passwordEncoder.encode(reqVO.getPassword())).build());
    }

    @Override
    public void resetUserPassword(AppMemberUserResetPasswordReqVO reqVO) {
        // 检验用户是否存在
        MemberUserDO user = validateUserExists(reqVO.getMobile());

        // 使用验证码
        smsCodeApi.useSmsCode(AuthConvert.INSTANCE.convert(reqVO, SmsSceneEnum.MEMBER_RESET_PASSWORD,
                getClientIP()));

        // 更新密码
        memberUserMapper.updateById(MemberUserDO.builder().id(user.getId())
                .password(passwordEncoder.encode(reqVO.getPassword())).build());
    }

    private MemberUserDO validateUserExists(String mobile) {
        MemberUserDO user = memberUserMapper.selectByMobile(mobile);
        if (user == null) {
            throw exception(USER_MOBILE_NOT_EXISTS);
        }
        return user;
    }

    @Override
    public boolean isPasswordMatch(String rawPassword, String encodedPassword) {
        return passwordEncoder.matches(rawPassword, encodedPassword);
    }

    /**
     * 对密码进行加密
     *
     * @param password 密码
     * @return 加密后的密码
     */
    private String encodePassword(String password) {
        return passwordEncoder.encode(password);
    }

    @Transactional(rollbackFor = Exception.class)
    @Override
    public void updateUser(MemberUserUpdateReqVO updateReqVO) {
        // 校验存在
        MemberUserDO user = validateUserExists(updateReqVO.getId());
        // 校验手机唯一
        validateMobileUnique(updateReqVO.getId(), updateReqVO.getMobile());

        // 更新
        MemberUserDO updateObj = MemberUserConvert.INSTANCE.convert(updateReqVO);
        memberUserMapper.updateById(updateObj);

        // 会员级别修改
        memberLevelService.updateUserLevel(user, updateReqVO.getLevelId(), updateReqVO.getLevelReason());
    }

    @VisibleForTesting
    MemberUserDO validateUserExists(Long id) {
        if (id == null) {
            return null;
        }
        MemberUserDO user = memberUserMapper.selectById(id);
        if (user == null) {
            throw exception(USER_NOT_EXISTS);
        }
        return user;
    }

    @VisibleForTesting
    void validateMobileUnique(Long id, String mobile) {
        if (StrUtil.isBlank(mobile)) {
            return;
        }
        MemberUserDO user = memberUserMapper.selectByMobile(mobile);
        if (user == null) {
            return;
        }
        // 如果 id 为空，说明不用比较是否为相同 id 的用户
        if (id == null) {
            throw exception(USER_MOBILE_USED);
        }
        if (!user.getId().equals(id)) {
            throw exception(USER_MOBILE_USED);
        }
    }

    @Override
    public PageResult<MemberUserDO> getUserPage(MemberUserPageReqVO pageReqVO) {
        return memberUserMapper.selectPage(pageReqVO);
    }

}
