package logic

import (
	"context"

	"slowwild/internal/errorx"
	"slowwild/internal/model"
	"slowwild/internal/svc"
	"slowwild/internal/utils"

	"git.banshen.xyz/huangguangrong/slow_wild_protobuff/slowwild/slowwildserver"
	"github.com/zeromicro/go-zero/core/logx"
)

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

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

// 用户注册
func (l *RegisterLogic) Register(in *slowwildserver.RegisterReq) (*slowwildserver.LoginAndRegisterRsp, error) {
	// 参数校验
	if in.Phone == "" || in.Password == "" || in.Code == "" {
		return nil, errorx.ErrInvalidParam
	}

	// 检查手机号是否已注册
	_, err := l.svcCtx.UserModel.FindOneByPhone(l.ctx, in.Phone)
	if err != nil && err != model.ErrNotFound {
		return nil, errorx.ErrUserQueryFailed
	}
	if err == nil {
		return nil, errorx.NewCodeError(10007, "手机号已注册")
	}

	// TODO: 验证验证码
	// if !verifyCode(in.Phone, in.Code) {
	// 	return nil, errorx.ErrInvalidCode
	// }

	// 生成盐值
	salt := utils.GenerateSalt()
	// 加密密码
	encryptedPassword := utils.EncryptPassword(in.Password, salt)

	// 创建用户
	user := &model.User{
		Phone:    in.Phone,
		Password: encryptedPassword,
		Salt:     salt,
		Nickname: in.Nickname,
		Sex:      int(in.Sex),
		Status:   1, // 正常状态
	}

	err = l.svcCtx.UserModel.Create(l.ctx, user)
	if err != nil {
		return nil, errorx.NewCodeError(10008, "创建用户失败")
	}

	// 生成token
	token, err := utils.GenerateToken(user.ID)
	if err != nil {
		return nil, errorx.ErrGenerateToken
	}

	return &slowwildserver.LoginAndRegisterRsp{
		Token: token,
	}, nil
}