package util

import (
	"github.com/golang-jwt/jwt/v5"
	"github.com/rs/xid"
	"sorbet/pkg/env"
	"sorbet/pkg/ticket"
	"time"
)

func CreateTicket(claims *ticket.Claims) (string, error) {
	if claims.ID == "" {
		claims.ID = xid.New().String()
	}
	if claims.Issuer == "" {
		claims.Issuer = env.String("TICKET_ISSUER")
	}
	if claims.Subject == "" {
		claims.Issuer = env.String("TICKET_SUBJECT")
	}
	if claims.Audience == nil {
		claims.Audience = env.List("TICKET_AUDIENCE")
	}
	if claims.ExpiresAt == nil {
		ttl := env.Duration("TICKET_TTL", time.Hour)
		claims.ExpiresAt = jwt.NewNumericDate(time.Now().Add(ttl))
	}
	source := []byte(env.String("TICKET_PRIVATE_KEY"))
	privateKey, err := jwt.ParseRSAPrivateKeyFromPEM(source)
	if err != nil {
		return "", err
	}
	signedString, err := ticket.Create(claims, privateKey)
	if err != nil {
		return "", err
	}
	return signedString, nil
}