import React, { useState, useRef } from "react";
import {
  SafeAreaView,
  StyleSheet,
  View,
  StatusBar,
  TouchableOpacity,
  Text,
} from "react-native";
import PhoneInput from "react-native-phone-number-input";
import { Colors } from "react-native/Libraries/NewAppScreen";

const App: React.FC = () => {
  const [value, setValue] = useState("");
  const [formattedValue, setFormattedValue] = useState("");
  const [valid, setValid] = useState(false);
  const [showMessage, setShowMessage] = useState(false);
  const phoneInput = useRef<PhoneInput>(null);
  return (
    <>
      <StatusBar barStyle="dark-content" />
      <View style={styles.container}>
        <SafeAreaView style={styles.wrapper}>
          {showMessage && (
            <View style={styles.message}>
              <Text>Value : {value}</Text>
              <Text>Formatted Value : {formattedValue}</Text>
              <Text>Valid : {valid ? "true" : "false"}</Text>
            </View>
          )}
          <PhoneInput
            ref={phoneInput}
            defaultValue={value}
            defaultCode="DM"
            layout="first"
            onChangeText={(text) => {
              setValue(text);
            }}
            onChangeFormattedText={(text) => {
              setFormattedValue(text);
            }}
            style_type={{flex:1}}   //new props for custom styles
            withDarkTheme
            withShadow
            autoFocus
          />
          <TouchableOpacity
            style={styles.button}
            onPress={() => {
              const checkValid = phoneInput.current?.isValidNumber(value);
              setShowMessage(true);
              setValid(checkValid ? checkValid : false);
            }}
          >
            <Text>Check</Text>
          </TouchableOpacity>
        </SafeAreaView>
      </View>
    </>
  );
};

export default App;