import React, { useState, useCallback } from 'react';
import { View, Text, StyleSheet } from 'react-native';
import AlphabetList from '@raiden16f7/react-native-alphabet-list';
import { Alphabet } from '@raiden16f7/react-native-alphabet-list/utils';
import { CharType, ItemType } from '@raiden16f7/react-native-alphabet-list/types';

const DATA: Array<{ name: string, key: CharType }> = [];

Alphabet.forEach(char => {
  const random = Math.round(8 * Math.random());
  if (random > 0) {
    for (let i = 0; i < random; i++) {
      const contact = `${char.toLocaleUpperCase()} - Contact ${i + 1}`;
      DATA.push({
        name: contact,
        key: char as CharType,
      });
    }
  }
});

function App() {
  const renderItem = ({ item }: ItemType) => {
    return (
      <View style={styles.viewContent}>
        <Text style={styles.txtContent}>{item.name}</Text>
      </View>
    );
  };

  return (
    <View style={styles.container}>
      <AlphabetList
        data={DATA}
        renderItem={renderItem}
      />
    </View>
  );
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    paddingVertical: 24,
  },
  viewContent: {
    paddingRight: 16,
    paddingLeft: 40,
    marginBottom: 24,
  },
  txtContent: {
    fontSize: 16,
    color: 'white',
  },
});

export default App;