import { Database } from './database.types'
import { LocalStorage } from './local-storage'
import { MemoryStorage } from './memory-storage'

export function databaseFactory(): Database {
  const databaseType = isLocalStorageEnabled()
    ? 'local-storage'
    : 'memory-storage'
  switch (databaseType) {
    case 'local-storage':
      return new LocalStorage()
    case 'memory-storage':
      return new MemoryStorage()
    default:
      throw new Error(`Database type ${databaseType} not supported`)
  }
}

function isLocalStorageEnabled(): boolean {
  try {
    const key = '__yuno_storage__test'
    window.localStorage.setItem(key, 'test_value')
    window.localStorage.removeItem(key)
    return true
  } catch (e) {
    return false
  }
}

export const database = databaseFactory()