cally/components/shared/RefreshButton.tsx

import React, { useRef, useEffect } from 'react';
import { TouchableOpacity, Animated, Easing } from 'react-native';
import { Feather } from '@expo/vector-icons'; 

interface RefreshButtonProps {
  onRefresh: () => Promise<void>;
  isSyncing: boolean;
  size?: number;
  color?: string;
}

const RefreshButton = ({ 
  onRefresh, 
  isSyncing,
  size = 24, 
  color = "#83807F" 
}: RefreshButtonProps) => {
  const rotateAnim = useRef(new Animated.Value(0)).current;
  const rotationLoop = useRef<Animated.CompositeAnimation | null>(null);

  useEffect(() => {
    if (isSyncing) {
      startContinuousRotation();
    } else {
      stopRotation();
    }
  }, [isSyncing]);

  const startContinuousRotation = () => {
    rotateAnim.setValue(0);
    rotationLoop.current = Animated.loop(
      Animated.timing(rotateAnim, {
        toValue: 1,
        duration: 1000,
        easing: Easing.linear,
        useNativeDriver: true,
      })
    );
    rotationLoop.current.start();
  };

  const stopRotation = () => {
    rotationLoop.current?.stop();
    rotateAnim.setValue(0);
  };

  const rotate = rotateAnim.interpolate({
    inputRange: [0, 1],
    outputRange: ['0deg', '360deg'],
  });

  const handlePress = async () => {
    if (!isSyncing) {
      await onRefresh();
    }
  };

  return (
    <TouchableOpacity onPress={handlePress} disabled={isSyncing}>
      <Animated.View style={{ transform: [{ rotate }] }}>
        <Feather name="refresh-cw" size={size} color={color} />
      </Animated.View>
    </TouchableOpacity>
  );
};

export default RefreshButton;