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import { useState } from 'react';
import { View, FlatList, RefreshControl, StyleSheet } from 'react-native';
import Animated, { FadeInUp } from 'react-native-reanimated';
import { useQuery } from '@tanstack/react-query';
import { fetchPosts } from '@/api/posts';
import { PostCard } from '@/components/PostCard';

export function FeedScreen() {
  const { data, isLoading, refetch } = useQuery({ queryKey: ['posts'], queryFn: fetchPosts });
  const [refreshing, setRefreshing] = useState(false);

  const onRefresh = async () => { setRefreshing(true); await refetch(); setRefreshing(false); };

  return (
    <FlatList
      data={data ?? []}
      keyExtractor={(item) => item.id}
      refreshControl={<RefreshControl refreshing={refreshing} onRefresh={onRefresh} />}
      renderItem={({ item, index }) => (
        <Animated.View entering={FadeInUp.delay(index * 50)}>
          <PostCard post={item} />
        </Animated.View>
      )}
    />
  );
}