import { Tabs, Redirect, router } from 'expo-router';
import React, { useEffect } from 'react';
import { View, ActivityIndicator } from 'react-native';

import { HapticTab } from '@/components/misc/haptic-tab';
import { IconSymbol } from '@/components/ui/icon-symbol';
import { Colors } from '@/constants/theme';
import { useColorScheme } from '@/hooks/use-color-scheme';
import { useAuth } from '@/context/AuthContext';

export default function TabLayout() {
  const colorScheme = useColorScheme();
  const { isAuthenticated, isLoading } = useAuth();

  useEffect(() => {
    if (!isLoading && !isAuthenticated) {
      router.replace('/auth/login');
    }
  }, [isAuthenticated, isLoading]);

  if (isLoading) {
    return (
      <View style={{ flex: 1, justifyContent: 'center', alignItems: 'center' }}>
        <ActivityIndicator size="large" />
      </View>
    );
  }

  if (!isAuthenticated) {
    return <Redirect href="/auth/login" />;
  }

  return (
    <Tabs
      screenOptions={{
        tabBarInactiveTintColor: Colors['light'].tabIconDefault,
        tabBarActiveTintColor: Colors['light'].tabIconSelected,
        headerShown: false,
        tabBarButton: HapticTab,
      }}>

      <Tabs.Screen
        name="index"
        options={{
          title: 'Home',
          tabBarIcon: ({ color }) => <IconSymbol size={28} name="house.fill" color={color} />,
        }}
      />

      <Tabs.Screen
        name="explore"
        options={{
          title: 'Explore',
          tabBarIcon: ({ color }) => <IconSymbol size={28} name="paperplane.fill" color={color} />,
        }}
      />

      <Tabs.Screen
        name="settings"
        options={{
          title: 'Configurações',
          tabBarIcon: ({ color }) => <IconSymbol size={28} name="settings.fill" color={color} />,
        }}
      />
    </Tabs>
  );
}