import { StatusBar } from 'expo-status-bar';
import { StyleSheet, Text, View } from 'react-native';
import { NavigationContainer } from '@react-navigation/native';
import { createStackNavigator } from '@react-navigation/stack';
import MapScreen from './src/screens/MapScreen'
import ListScreen from './src/screens/ListScreen';
import * as Location from "expo-location"
import { useEffect } from 'react';

const Stack = createStackNavigator();


let  foregroundSubscription = null;


export default function App() {

  const foregroundUpdate = async() =>{
    const {granted} = await Location.getForegroundPermissionsAsync()
    if (!granted){
      console.error("Permissão Não obtida para localização")
      return
    }
  }
  useEffect(()=>{
    const locationPerm = async() =>{
      const foregroun = await Location.requestForegroundPermissionsAsync()
    }
    locationPerm()
    foregroundUpdate()
    
  },[]

)
  return (
    <NavigationContainer>
      <Stack.Navigator>
        <Stack.Screen name="MapScreen" component={MapScreen} />
        <Stack.Screen name="ListScreen" component={ListScreen} />
      </Stack.Navigator>
    </NavigationContainer>
  );
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    backgroundColor: '#fff',
    alignItems: 'center',
    justifyContent: 'center',
  },
});