package jwt

import (
	"clapclap/internal/ginctx"
	"clapclap/internal/uuid"
	"errors"
	"github.com/gin-gonic/gin"
	"github.com/golang-jwt/jwt/v5"
	"log"
)

func MintFromCtx(c *gin.Context) (string, error) {

	userID, err := ginctx.GetUUID(c, "userID")
	if err != nil {
		return "", err
	}

	duration, err := ginctx.GetDuration(c, TOKEN_DURATION_KEY)
	if err != nil {
		return "", err
	}

	signingMethod, err := ginctx.GetSigningMethod(c, SIGNING_METHOD_KEY)
	if err != nil {
		return "", err
	}

	key, ok := c.Get(SIGNING_KEY_KEY)
	if !ok {
		return "", errors.New("No " + SIGNING_KEY_KEY + " in gin ginctx")
	}

	now, err := ginctx.GetTimestamp(c)
	if err != nil {
		return "", err
	}

	log.Printf("exp: %v\n", duration)

	return jwt.NewWithClaims(signingMethod, jwt.MapClaims{
		"jit": uuid.New(),
		"sub": userID.String(),
		"iss": c.GetString("issuer"),
		"aud": c.GetString("aud"),
		"iat": jwt.NewNumericDate(now),
		"exp": jwt.NewNumericDate(now.Add(duration)),
		// add custom claims here
	}).SignedString(key)
}