package cc.mrbird.febs.mall.service.impl;

import cc.mrbird.febs.common.entity.FebsResponse;
import cc.mrbird.febs.common.exception.FebsException;
import cc.mrbird.febs.common.utils.AppContants;
import cc.mrbird.febs.common.utils.LoginUserUtil;
import cc.mrbird.febs.common.utils.RedisUtils;
import cc.mrbird.febs.common.utils.ShareCodeUtil;
import cc.mrbird.febs.mall.conversion.MallMemberConversion;
import cc.mrbird.febs.mall.dto.ForgetPwdDto;
import cc.mrbird.febs.mall.dto.LoginDto;
import cc.mrbird.febs.mall.dto.ModifyMemberInfoDto;
import cc.mrbird.febs.mall.dto.RegisterDto;
import cc.mrbird.febs.mall.entity.MallMember;
import cc.mrbird.febs.mall.entity.MallMemberWallet;
import cc.mrbird.febs.mall.entity.MallShoppingCart;
import cc.mrbird.febs.mall.mapper.MallMemberMapper;
import cc.mrbird.febs.mall.mapper.MallMemberWalletMapper;
import cc.mrbird.febs.mall.mapper.MallOrderInfoMapper;
import cc.mrbird.febs.mall.mapper.MallShoppingCartMapper;
import cc.mrbird.febs.mall.service.IApiMallMemberService;
import cc.mrbird.febs.mall.service.ICommonService;
import cc.mrbird.febs.mall.vo.MallMemberVo;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.util.IdUtil;
import cn.hutool.core.util.ObjectUtil;
import cn.hutool.core.util.StrUtil;
import cn.hutool.crypto.SecureUtil;
import cn.hutool.crypto.asymmetric.KeyType;
import cn.hutool.crypto.asymmetric.RSA;
import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.math.BigDecimal;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * @author wzy
 * @date 2021-09-16
 **/
@Slf4j
@Service
@RequiredArgsConstructor
public class ApiMallMemberServiceImpl extends ServiceImpl<MallMemberMapper, MallMember> implements IApiMallMemberService {

    private final MallMemberWalletMapper mallMemberWalletMapper;
    private final ICommonService commonService;
    private final RedisUtils redisUtils;
    private final MallOrderInfoMapper mallOrderInfoMapper;
    private final MallShoppingCartMapper mallShoppingCartMapper;

    @Value("${spring.profiles.active}")
    private String active;

    @Transactional(rollbackFor = Exception.class)
    @Override
    public FebsResponse register(RegisterDto registerDto) {
        MallMember mallMember = this.baseMapper.selectInfoByAccount(registerDto.getAccount());
        if (mallMember != null) {
            throw new FebsException("该手机号/邮箱已被占用");
        }

        String account = registerDto.getAccount();
        String code = registerDto.getCode();
        boolean flags = commonService.verifyCode(account, code);
        if(!flags) {
            throw new FebsException("验证码错误");
        }

        mallMember = new MallMember();
        mallMember.setPassword(SecureUtil.md5(registerDto.getPassword()));

        // 判断账号类型
        if (AppContants.ACCOUNT_TYPE_MOBILE.equals(registerDto.getType())) {
            mallMember.setPhone(registerDto.getAccount());
        } else {
            mallMember.setEmail(registerDto.getAccount());
        }

        Integer count = this.baseMapper.selectCount(null);
        if (count != null && count != 0) {
            MallMember inviteMember = this.baseMapper.selectInfoByInviteId(registerDto.getInviteId());
            if (inviteMember == null) {
                throw new FebsException("邀请码不存在");
            }

            mallMember.setReferrerId(registerDto.getInviteId());

        }
        mallMember.setName(registerDto.getAccount());
        mallMember.setAccountStatus(MallMember.ACCOUNT_STATUS_ENABLE);
        mallMember.setAccountType(MallMember.ACCOUNT_TYPE_NORMAL);
        mallMember.setLevel("1");
        mallMember.setSex("男");

        this.baseMapper.insert(mallMember);

        String inviteId = ShareCodeUtil.toSerialCode(mallMember.getId());
        mallMember.setInviteId(inviteId);

        //推荐人和推荐人链
        boolean flag = false;
        String parentId = mallMember.getReferrerId();
        String ids = "";
        while (!flag) {
            if (StrUtil.isBlank(ids)) {
                ids += parentId;
            } else {
                ids += ("," + parentId);
            }
            MallMember parentMember = this.baseMapper.selectInfoByInviteId(parentId);
            if (parentMember == null) {
                break;
            }
            parentId = parentMember.getReferrerId();
            if (StrUtil.isBlank(parentMember.getReferrerId())) {
                flag = true;
            }
        }

        if (StrUtil.isNotBlank(ids)) {
            mallMember.setReferrerIds(ids);
        }
        this.baseMapper.updateById(mallMember);

        MallMemberWallet wallet = new MallMemberWallet();
        wallet.setBalance(BigDecimal.ZERO);
        wallet.setMemberId(mallMember.getId());
        mallMemberWalletMapper.insert(wallet);
        return new FebsResponse().success().message("注册成功");
    }

    @Override
    public FebsResponse toLogin(LoginDto loginDto) {
        String md5Pwd = SecureUtil.md5(loginDto.getPassword());

        MallMember mallMember = this.baseMapper.selectInfoByAccountAndPwd(loginDto.getAccount(), md5Pwd);
        if (mallMember == null) {
            throw new FebsException("用户不存在或账号密码错误");
        }

        if (MallMember.ACCOUNT_STATUS_DISABLED.equals(mallMember.getAccountStatus())) {
            throw new FebsException("该账号存在异常, 暂限制登录");
        }

        String redisKey = AppContants.APP_LOGIN_PREFIX + mallMember.getId();
        String existToken = redisUtils.getString(redisKey);
        if (StrUtil.isNotBlank(existToken)) {
            Object o = redisUtils.get(existToken);
            if (ObjectUtil.isNotEmpty(o)) {
                redisUtils.del(existToken);
            }
        }

        String token = IdUtil.simpleUUID();
        redisUtils.set(token, JSONObject.toJSONString(mallMember), 360000);
        redisUtils.set(redisKey, token, 360000);
        Map<String, Object> authInfo = new HashMap<>();
        authInfo.put("token", token);
        if ("dev".equals(active)) {
            authInfo.put("rasToken", generateAsaToken(token));
        }
        return new FebsResponse().success().data(authInfo);
    }

    public String generateAsaToken(String token) {
        RSA rsa = new RSA(null, AppContants.PUBLIC_KEY);
        return rsa.encryptBase64(token + "_" + System.currentTimeMillis(), KeyType.PublicKey);
    }

    @Override
    public FebsResponse forgetPwd(ForgetPwdDto forgetPwdDto) {
        MallMember mallMember = this.baseMapper.selectInfoByAccount(forgetPwdDto.getAccount());
        if (mallMember == null) {
            throw new FebsException("账号不存在");
        }

        boolean b = commonService.verifyCode(forgetPwdDto.getAccount(), forgetPwdDto.getCode());
        if (!b) {
            throw new FebsException("验证码错误");
        }

        String pwd = SecureUtil.md5(forgetPwdDto.getPassword());
        mallMember.setPassword(pwd);

        this.baseMapper.updateById(mallMember);
        return new FebsResponse().success().message("重置成功");
    }

    @Override
    public FebsResponse logout() {
        Long id = LoginUserUtil.getLoginUser().getId();
        redisUtils.del(AppContants.APP_LOGIN_PREFIX + id);
        return new FebsResponse().success().message("退出登录");
    }

    @Override
    public FebsResponse findMemberInfo() {
        Long id = LoginUserUtil.getLoginUser().getId();
        MallMember mallMember = this.baseMapper.selectById(id);

        MallMemberVo mallMemberVo = MallMemberConversion.INSTANCE.entityToVo(mallMember);

        MallMemberWallet wallet = mallMemberWalletMapper.selectWalletByMemberId(mallMemberVo.getId());
        mallMemberVo.setBalance(wallet.getBalance());
        return new FebsResponse().success().data(mallMemberVo);
    }

    @Override
    public FebsResponse findMemberMarkCnt() {
        Long id = LoginUserUtil.getLoginUser().getId();

        List<Map<String, Integer>> maps = mallOrderInfoMapper.selectMemberOrderStatusCnt(id);
        Map<Integer, Integer> orderCnt = new HashMap<>();
        if (CollUtil.isNotEmpty(maps)) {
            for (Map<String, Integer> map : maps) {
                orderCnt.put(map.get("status"), map.get("cnt"));
            }
        }

        List<MallShoppingCart> carts = mallShoppingCartMapper.selectCartGoodsList(id);
        Map<String, Object> result = new HashMap<>();
        result.put("order", orderCnt);
        result.put("carts", carts.size());
        return new FebsResponse().success().data(result);
    }

    @Override
    public FebsResponse setTradePwd(ForgetPwdDto forgetPwdDto) {
        MallMember mallMember = this.baseMapper.selectInfoByAccount(forgetPwdDto.getAccount());
        if (mallMember == null) {
            throw new FebsException("账号不存在");
        }

        boolean b = commonService.verifyCode(forgetPwdDto.getAccount(), forgetPwdDto.getCode());
        if (!b) {
            throw new FebsException("验证码错误");
        }

        mallMember.setTradePassword(SecureUtil.md5(forgetPwdDto.getPassword()));
        this.baseMapper.updateById(mallMember);
        return new FebsResponse().success().message("设置成功");
    }

    @Override
    public FebsResponse modifyMemberInfo(ModifyMemberInfoDto modifyMemberInfoDto) {
        MallMember member = LoginUserUtil.getLoginUser();
        MallMember mallMember = this.baseMapper.selectById(member.getId());
        if (StrUtil.isNotBlank(modifyMemberInfoDto.getName())) {
            mallMember.setName(modifyMemberInfoDto.getName());
        }

        if (StrUtil.isNotBlank(modifyMemberInfoDto.getPhoto())) {
            mallMember.setAvatar(modifyMemberInfoDto.getPhoto());
        }

        this.baseMapper.updateById(mallMember);
        return new FebsResponse().success().message("修改成功");
    }
}