package logic

import (
	"context"

	"healthapi/internal/model"
	"healthapi/internal/svc"
	"healthapi/internal/types"
	"healthapi/pkg/errorx"
	"healthapi/pkg/jwt"

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

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

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

func (l *RefreshTokenLogic) RefreshToken(req *types.RefreshTokenReq) (resp *types.LoginResp, err error) {
	// 解析旧 Token 获取用户ID
	claims, err := jwt.ParseToken(req.Token, l.svcCtx.Config.Auth.AccessSecret)
	if err != nil {
		return nil, errorx.ErrInvalidToken
	}

	// 查询用户信息
	var user model.User
	if err := l.svcCtx.DB.First(&user, claims.UserID).Error; err != nil {
		return nil, errorx.ErrUserNotFound
	}

	// 生成新 Token
	token, expiresAt, err := jwt.GenerateToken(
		user.ID,
		l.svcCtx.Config.Auth.AccessSecret,
		l.svcCtx.Config.Auth.AccessExpire,
	)
	if err != nil {
		l.Errorf("Failed to generate token: %v", err)
		return nil, errorx.NewCodeError(errorx.CodeServerError, "生成Token失败")
	}

	return &types.LoginResp{
		Token:     token,
		ExpiresAt: expiresAt,
		User: types.UserInfo{
			ID:              uint(user.ID),
			Phone:           user.Phone,
			Email:           user.Email,
			Nickname:        user.Nickname,
			Avatar:          user.Avatar,
			SurveyCompleted: user.SurveyCompleted,
		},
	}, nil
}