package storage

import (
	"errors"
	"log"
	"os"
	"strings"
	"time"
)

var (
	ErrNotFound = errors.New("password not found")
	ErrFull     = errors.New("storage is filled")
)

type entry struct {
	password  []byte
	expiresAt time.Time
}

type Store interface {
	CreatePassword(password []byte, expiresAt time.Time) (string, error)
	GetPassword(id string) ([]byte, error)
	HasPassword(id string) (bool, error)
	Close() error
}

func NewStore() (Store, error) {
	storeType := os.Getenv("PASSED_STORE_TYPE")
	storeType = strings.ToLower(storeType)

	switch storeType {
	case "ram":
		return NewRamStore(20 * time.Second), nil

	default:
		log.Printf("No PASSED_STORE_TYPE provided, defaulting to memory store.")
		return NewRamStore(20 * time.Second), nil
	}
}