package generator

import (
	"fmt"
	uuid2 "github.com/gofrs/uuid"
	"math/rand"
	"strconv"
	"time"

	"github.com/google/uuid"
)

func MedicalRecordNumberRand() string {
	return RandStringRunes(10)
}

func RandStringRunes(n int) string {
	rand.Seed(time.Now().UnixNano()) // seed the random number generator

	const letterBytes = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
	b := make([]byte, n)
	for i := range b {
		b[i] = letterBytes[rand.Intn(len(letterBytes))]
	}

	return string(b)
}

// format -> <uuid>-<time unix>
func GenerateFileName() string {
	return fmt.Sprintf("%v-%v", GenerateUUID(), strconv.Itoa(int(time.Now().Unix())))
}

func GenerateUUID() string {
	id := uuid.New()
	return id.String()
}

func GenerateUUIDV4() string {
	id, _ := uuid2.NewV4()
	return id.String()
}