managarten/maerchenzauber/apps/mobile/app/onboarding.tsx

import React, { useState, useRef, useEffect } from 'react';
import { View, StyleSheet, Dimensions, Image, ScrollView, TouchableOpacity, Animated } from 'react-native';
import { SafeAreaView, useSafeAreaInsets } from 'react-native-safe-area-context';
import { router } from 'expo-router';
import { MaterialIcons } from '@expo/vector-icons';
import Text from '../components/atoms/Text';
import Button from '../components/atoms/Button';
import AsyncStorage from '@react-native-async-storage/async-storage';
import { usePostHog } from '../src/hooks/usePostHog';

const { width, height } = Dimensions.get('window');

const features = [
  {
    id: 1,
    title: 'Zauberhafte Charaktere',
    description: 'Erwecke deine Fantasie zum Leben! Lade ein Foto hoch oder beschreibe deinen Wunschcharakter und sieh zu, wie er magisch zum Leben erwacht.',
    icon: 'pets',
    color: '#6D5B00',
  },
  {
    id: 2,
    title: 'Magische Geschichten',
    description: 'Erschaffe wundervolle Abenteuer mit deinen Charakteren! Jede Geschichte wird zu einem einzigartigen Erlebnis voller Magie und Fantasie.',
    icon: 'book',
    color: '#6D5B00',
  },
  {
    id: 3,
    title: 'Deine Ideen zählen',
    description: 'Teile deine Gedanken und Wünsche mit uns! Dein Feedback hilft uns, Märchenzauber noch magischer zu gestalten.',
    icon: 'star',
    color: '#6D5B00',
  },
];

export default function OnboardingScreen() {
  const insets = useSafeAreaInsets();
  const posthog = usePostHog();
  const startTime = useRef(new Date());
  const fadeAnim = useRef(new Animated.Value(0)).current;

  useEffect(() => {
    posthog?.capture('onboarding_started');
    
    // Fade in animation
    Animated.timing(fadeAnim, {
      toValue: 1,
      duration: 800,
      useNativeDriver: true,
    }).start();
    
    return () => {
      const duration = (new Date().getTime() - startTime.current.getTime()) / 1000;
      posthog?.capture('onboarding_ended', {
        total_time: duration,
        completed: true
      });
    };
  }, []);

  const handleFinish = async () => {
    try {
      posthog?.capture('onboarding_completed', {
        total_time: (new Date().getTime() - startTime.current.getTime()) / 1000
      });
      await AsyncStorage.setItem('hasSeenOnboarding', 'true');
      router.replace('/');
    } catch (error) {
      console.error('Error saving onboarding state:', error);
      router.replace('/');
    }
  };

  return (
    <SafeAreaView style={styles.container} edges={['top', 'bottom']}>
      <Animated.View style={[styles.content, { opacity: fadeAnim }]}>
        <View style={styles.header}>
          <Image 
            source={require('../assets/images/icon.png')}
            style={styles.logo}
            resizeMode="contain"
          />
          <Text style={styles.welcomeTitle}>Willkommen bei Märchenzauber</Text>
        </View>

        <ScrollView 
          style={styles.featuresScrollView}
          contentContainerStyle={styles.featuresScrollContent}
          showsVerticalScrollIndicator={false}
        >
          <View style={styles.featuresContainer}>
            {features.map((feature) => (
              <View key={feature.id} style={styles.featureWrapper}>
                <View style={styles.featureButton}>
                  <View style={[styles.iconContainer, { backgroundColor: feature.color }]}>
                    <MaterialIcons name={feature.icon as any} size={24} color="white" />
                  </View>
                  <View style={styles.featureTextContainer}>
                    <Text style={styles.featureTitle}>{feature.title}</Text>
                    <Text style={styles.featureDescription}>{feature.description}</Text>
                  </View>
                </View>
              </View>
            ))}
          </View>
        </ScrollView>

        <View style={styles.buttonContainer}>
          <Button
            title="Los geht's!"
            onPress={handleFinish}
            color="#6D5B00"
            iconName="arrow-forward"
            iconPosition="right"
            variant="primary"
            size="lg"
            style={styles.button}
          />
        </View>
      </Animated.View>
    </SafeAreaView>
  );
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    backgroundColor: '#181818',
  },
  featuresScrollView: {
    flex: 1,
    marginBottom: 16,
  },
  featuresScrollContent: {
    flexGrow: 1,
  },
  content: {
    flex: 1,
    paddingHorizontal: 20,
    paddingVertical: 16,
  },
  header: {
    alignItems: 'center',
    marginBottom: 24,
  },
  logo: {
    width: 60,
    height: 60,
    marginBottom: 16,
    alignSelf: 'center',
  },
  welcomeTitle: {
    fontSize: 28,
    fontWeight: 'bold',
    color: '#FFFFFF',
    textAlign: 'center',
    marginBottom: 8,
  },
  welcomeSubtitle: {
    fontSize: 16,
    color: '#CCCCCC',
    textAlign: 'center',
    paddingHorizontal: 20,
  },
  featuresContainer: {
    marginBottom: 24,
    width: '100%',
    maxWidth: 600,
    alignSelf: 'center',
  },
  featuresTitle: {
    fontSize: 20,
    fontWeight: '600',
    color: '#FFFFFF',
    marginBottom: 16,
    textAlign: 'left',
  },
  featureWrapper: {
    marginBottom: 16,
    borderRadius: 12,
    overflow: 'hidden',
  },
  featureButton: {
    flexDirection: 'row',
    alignItems: 'flex-start',
    padding: 14,
    borderRadius: 12,
    backgroundColor: '#2a2a2a',
  },
  iconContainer: {
    width: 40,
    height: 40,
    borderRadius: 20,
    justifyContent: 'center',
    alignItems: 'center',
    marginRight: 14,
  },
  featureTextContainer: {
    flex: 1,
  },
  featureTitle: {
    fontSize: 16,
    fontWeight: '600',
    color: '#FFFFFF',
    marginBottom: 4,
    textAlign: 'left',
  },
  featureDescription: {
    fontSize: 14,
    color: '#CCCCCC',
    lineHeight: 20,
    textAlign: 'left',
  },
  buttonContainer: {
    alignItems: 'center',
    marginTop: 'auto',
    paddingVertical: 16,
  },
  button: {
    width: '100%',
  },
});