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import React from 'react';
import { Platform, StyleSheet, TouchableOpacity, View } from 'react-native';
import { Tabs } from 'expo-router';
import { BlurView } from 'expo-blur';
import { Feather } from '@expo/vector-icons';
import Animated, {
useAnimatedStyle,
withSpring,
withTiming,
} from 'react-native-reanimated';
import * as Haptics from 'expo-haptics';
import { Colors, Spacing } from '@/constants/theme';
function TabBarIcon({
name,
isFocused,
}: {
name: keyof typeof Feather.glyphMap;
isFocused: boolean;
}) {
const animatedIconStyle = useAnimatedStyle(() => {
return {
transform: [
{ scale: withSpring(isFocused ? 1.15 : 1, { damping: 12, stiffness: 300 }) },
],
};
});
const animatedIndicatorStyle = useAnimatedStyle(() => {
return {
opacity: withTiming(isFocused ? 1 : 0, { duration: 200 }),
transform: [
{ scale: withSpring(isFocused ? 1 : 0.5, { damping: 15, stiffness: 300 }) },
],
};
});
return (
<View style={styles.iconContainer}>
<Animated.View style={animatedIconStyle}>
<Feather
name={name}
size={22}
color={isFocused ? Colors.primaryLight : Colors.textMuted}
/>
</Animated.View>
<Animated.View style={[styles.indicator, animatedIndicatorStyle]} />
</View>
);
}
function CustomTabBar({ state, descriptors, navigation }: any) {
return (
<View style={styles.tabBarContainer}>
<BlurView
intensity={Platform.OS === 'ios' ? 80 : 100}
tint="dark"
style={styles.blurView}
>
{state.routes.map((route: any, index: number) => {
const { options } = descriptors[route.key];
const isFocused = state.index === index;
const onPress = () => {
const event = navigation.emit({
type: 'tabPress',
target: route.key,
canPreventDefault: true,
});
if (!isFocused && !event.defaultPrevented) {
Haptics.impactAsync(Haptics.ImpactFeedbackStyle.Light);
navigation.navigate(route.name);
}
};
let iconName: keyof typeof Feather.glyphMap = 'home';
if (route.name === 'index') iconName = 'pie-chart';
else if (route.name === 'salary') iconName = 'dollar-sign';
else if (route.name === 'recurring') iconName = 'repeat';
else if (route.name === 'expenses') iconName = 'plus-square';
return (
<TouchableOpacity
key={route.key}
accessibilityRole="button"
accessibilityState={isFocused ? { selected: true } : {}}
accessibilityLabel={options.tabBarAccessibilityLabel}
onPress={onPress}
style={styles.tabItem}
activeOpacity={1}
>
<TabBarIcon name={iconName} isFocused={isFocused} />
</TouchableOpacity>
);
})}
</BlurView>
</View>
);
}
export default function TabsLayout() {
return (
<Tabs
tabBar={(props) => <CustomTabBar {...props} />}
screenOptions={{
headerShown: false,
}}
>
<Tabs.Screen name="index" options={{ title: 'Dashboard' }} />
<Tabs.Screen name="salary" options={{ title: 'Salário' }} />
<Tabs.Screen name="recurring" options={{ title: 'Gastos Fixos' }} />
<Tabs.Screen name="expenses" options={{ title: 'Gastos do Mês' }} />
</Tabs>
);
}
const styles = StyleSheet.create({
tabBarContainer: {
position: 'absolute',
bottom: Platform.OS === 'ios' ? 30 : 20,
left: 24,
right: 24,
borderRadius: 32,
...Platform.select({
ios: {
shadowColor: '#000',
shadowOffset: { width: 0, height: 8 },
shadowOpacity: 0.5,
shadowRadius: 16,
},
android: {
elevation: 10,
},
}),
},
blurView: {
flexDirection: 'row',
alignItems: 'center',
justifyContent: 'space-around',
borderRadius: 32,
backgroundColor: 'rgba(22, 27, 34, 0.75)',
borderWidth: 1,
borderColor: 'rgba(255, 255, 255, 0.08)',
overflow: 'hidden',
height: 64,
paddingHorizontal: Spacing.sm,
},
tabItem: {
flex: 1,
alignItems: 'center',
justifyContent: 'center',
height: '100%',
},
iconContainer: {
alignItems: 'center',
justifyContent: 'center',
width: 44,
height: 44,
},
indicator: {
position: 'absolute',
bottom: -2,
width: 4,
height: 4,
borderRadius: 2,
backgroundColor: Colors.primaryLight,
},
});
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