import React from 'react'

import Amplify from '@aws-amplify/core'

import * as Keychain from 'react-native-keychain'

import { ThemeProvider, DarkTheme, LightTheme } from 'react-native-unicorn-uikit'

import { useColorScheme } from 'react-native-appearance'

import AppNavigator from './AppNavigator'

import awsconfig from '../aws-exports'

const MEMORY_KEY_PREFIX = '@MyStorage:'

let dataMemory = {}

class MyStorage {

static syncPromise = null

static setItem(key, value) {

Keychain.setGenericPassword(MEMORY_KEY_PREFIX + key, value)

dataMemory[key] = value

return dataMemory[key]

}

static getItem(key) {

return Object.prototype.hasOwnProperty.call(dataMemory, key) ? dataMemory[key] : undefined

}

static removeItem(key) {

Keychain.resetGenericPassword()

return delete dataMemory[key]

}

static clear() {

dataMemory = {}

return dataMemory

}

}

Amplify.configure({

...awsconfig,

Analytics: {

disabled: false

},

storage: MyStorage

})

const App = () => {

const scheme = useColorScheme()

return (

<>

<ThemeProvider theme={scheme === 'dark' ? DarkTheme : LightTheme}>

<AppNavigator />

</ThemeProvider>

</>

)

}

export default App