package utils

import (
	"context"
	"encoding/json"
	"github.com/golang-jwt/jwt/v4"
)

const Identify = "user_auth_id"

func GetJwtToken(secretKey string, iat, seconds int64, uid int64) (string, error) {
	claims := make(jwt.MapClaims)
	claims["exp"] = iat + seconds
	claims["iat"] = iat
	claims[Identify] = uid

	token := jwt.New(jwt.SigningMethodHS256)
	token.Claims = claims

	return token.SignedString([]byte(secretKey))
}

func GetUid(ctx context.Context) int64 {
	if id, ok := ctx.Value(Identify).(json.Number); ok {
		i, _ := id.Int64()
		return i
	}
	if id, ok := ctx.Value(Identify).(float64); ok {
		return int64(id)
	}
	return 0
}