package user

import (
	"context"
	"database/sql"
	"qnc-server/app/user/model"
	jwtx "qnc-server/common/jwt"
	"qnc-server/common/tool"
	"qnc-server/common/xerr"
	"qnc-server/pkg/lzkit/crypto"
	"qnc-server/pkg/lzkit/lzUtils"
	"time"

	"github.com/pkg/errors"

	"qnc-server/app/user/cmd/api/internal/svc"
	"qnc-server/app/user/cmd/api/internal/types"

	"github.com/zeromicro/go-zero/core/logx"
)

type MobileLoginLogic struct {
	logx.Logger
	ctx    context.Context
	svcCtx *svc.ServiceContext
}

func NewMobileLoginLogic(ctx context.Context, svcCtx *svc.ServiceContext) *MobileLoginLogic {
	return &MobileLoginLogic{
		Logger: logx.WithContext(ctx),
		ctx:    ctx,
		svcCtx: svcCtx,
	}
}

func (l *MobileLoginLogic) MobileLogin(req *types.MobileLoginReq) (resp *types.MobileCodeLoginResp, err error) {
	secretKey := l.svcCtx.Config.Encrypt.SecretKey
	encryptedMobile, err := crypto.EncryptMobile(req.Mobile, secretKey)
	if err != nil {
		return nil, errors.Wrapf(xerr.NewErrCode(xerr.SERVER_COMMON_ERROR), "手机登录, 加密手机号失败: %+v", err)
	}
	user, findUserErr := l.svcCtx.UserModel.FindOneByMobile(l.ctx, sql.NullString{String: encryptedMobile, Valid: true})
	if findUserErr != nil && findUserErr != model.ErrNotFound {
		return nil, errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR), "手机登录, 读取数据库获取用户失败, mobile%s, err: %+v", encryptedMobile, err)
	}
	if user == nil {
		return nil, errors.Wrapf(xerr.NewErrMsg("手机号码未注册"), "手机登录, 手机号未注册:%s", encryptedMobile)
	}
	if !(tool.Md5ByString(req.Password) == lzUtils.NullStringToString(user.Password)) {
		return nil, errors.Wrapf(xerr.NewErrMsg("密码不正确"), "手机登录, 密码匹配不正确%s", encryptedMobile)
	}

	token, generaErr := jwtx.GenerateJwtToken(user.Id, l.svcCtx.Config.JwtAuth.AccessSecret, l.svcCtx.Config.JwtAuth.AccessExpire)
	if generaErr != nil {
		return nil, errors.Wrapf(xerr.NewErrCode(xerr.SERVER_COMMON_ERROR), "手机登录, 生成token失败 : %d", user.Id)
	}

	// 获取当前时间戳
	now := time.Now().Unix()
	return &types.MobileCodeLoginResp{
		AccessToken:  token,
		AccessExpire: now + l.svcCtx.Config.JwtAuth.AccessExpire,
		RefreshAfter: now + l.svcCtx.Config.JwtAuth.RefreshAfter,
	}, nil
}