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Greenlens/app/onboarding/slides.tsx
2026-07-30 10:03:37 +02:00

563 lines
18 KiB
TypeScript

import React, { useEffect, useRef, useState } from 'react';
import { Image, ScrollView, StyleSheet, Text, TouchableOpacity, View, useWindowDimensions } from 'react-native';
import { SafeAreaView, useSafeAreaInsets } from 'react-native-safe-area-context';
import { useRouter } from 'expo-router';
import { Ionicons } from '@expo/vector-icons';
import { useSafeAnalytics } from '../../services/analytics';
import { useColors } from '../../constants/Colors';
import { useApp } from '../../context/AppContext';
import { Language } from '../../types';
type ColorsType = ReturnType<typeof useColors>;
const getSlidesCopy = (language: Language) => {
if (language === 'de') {
return {
slides: [
{
// Slide 1 = Triage. Bewusst NICHT die Identifikation: die kann Google
// Lens gratis. Der Pitch startet erst nach der Identifikation.
title: 'Was ist mit meiner Pflanze los?',
body: 'Fotografiere das Symptom. Du bekommst die wahrscheinlichsten Ursachen - und was du prüfen sollst.',
},
{
title: 'Ein konkreter Plan. Für diese Pflanze.',
body: 'Sofortmaßnahme, 7-Tage-Plan, und danach die Frage: Hat es gewirkt?',
},
{
// Der Screen, den keine Konkurrenz-App hat. Beantwortet den Einwand
// "Eine andere App hat mir selbstbewusst etwas Falsches gesagt."
title: 'Wir sagen dir auch, wenn wir unsicher sind.',
body: 'Ein Foto zeigt keine Wurzeln und keine Erdfeuchte. Deshalb Wahrscheinlichkeiten statt erfundener Gewissheit.',
},
],
causeTitle: 'Wahrscheinlichste Ursache',
causePrimary: 'Überwässerung',
causePrimaryLevel: '64 %',
causeSecondary: 'Nährstoffmangel',
causeSecondaryLevel: '41 %',
checkLabel: 'Prüfe zuerst',
checkItems: 'Erde 3 cm tief · Abzugslöcher · Blattunterseiten',
planLabel: '7-Tage-Plan',
planNow: 'Heute: nicht gießen',
planFollowUp: 'Tag 7: Wir fragen nach, ob es besser wird',
uncertainTitle: 'Was ein Foto nicht zeigt',
uncertainItems: ['Wurzeln', 'Erdfeuchte', 'Vorgeschichte'],
uncertainNote: 'Deshalb: Wahrscheinlichkeiten statt Diagnose.',
continueLabel: 'Weiter',
};
}
if (language === 'es') {
return {
slides: [
{
title: '¿Qué le pasa a mi planta?',
body: 'Fotografía el síntoma. Recibes las causas más probables - y qué revisar.',
},
{
title: 'Un plan concreto. Para esta planta.',
body: 'Acción inmediata, plan de 7 días, y luego la pregunta: ¿funcionó?',
},
{
title: 'También te decimos cuándo no estamos seguros.',
body: 'Una foto no muestra las raíces ni la humedad. Por eso probabilidades, no certezas inventadas.',
},
],
causeTitle: 'Causa más probable',
causePrimary: 'Exceso de riego',
causePrimaryLevel: '64 %',
causeSecondary: 'Falta de nutrientes',
causeSecondaryLevel: '41 %',
checkLabel: 'Revisa primero',
checkItems: 'Sustrato a 3 cm · Drenaje · Reverso de las hojas',
planLabel: 'Plan de 7 días',
planNow: 'Hoy: no regar',
planFollowUp: 'Día 7: preguntamos si va mejor',
uncertainTitle: 'Lo que una foto no muestra',
uncertainItems: ['Raíces', 'Humedad', 'Historial'],
uncertainNote: 'Por eso: probabilidades, no diagnóstico.',
continueLabel: 'Continuar',
};
}
return {
slides: [
{
title: "What's wrong with my plant?",
body: 'Photograph the symptom. You get the most likely causes - and what to check.',
},
{
title: 'A concrete plan. For this plant.',
body: 'Immediate action, a 7-day plan, and then the question: did it work?',
},
{
title: "We also tell you when we're not sure.",
body: 'A photo cannot show roots or soil moisture. So: probabilities, not invented certainty.',
},
],
causeTitle: 'Most likely cause',
causePrimary: 'Overwatering',
causePrimaryLevel: '64%',
causeSecondary: 'Nutrient deficiency',
causeSecondaryLevel: '41%',
checkLabel: 'Check first',
checkItems: 'Soil 3 cm deep · Drainage holes · Leaf undersides',
planLabel: '7-day plan',
planNow: 'Today: do not water',
planFollowUp: 'Day 7: we ask whether it improved',
uncertainTitle: 'What a photo cannot show',
uncertainItems: ['Roots', 'Soil moisture', 'History'],
uncertainNote: 'So: probabilities, not diagnosis.',
continueLabel: 'Continue',
};
};
type SlidesCopy = ReturnType<typeof getSlidesCopy>;
const OVERLAY_TEXT_MAX_MULTIPLIER = 1.2;
/** Slide 1: Ursachen-Ranking statt Prozent-Behauptung. */
function CauseRankingOverlay({ copy, colors }: { copy: SlidesCopy; colors: ColorsType }) {
return (
<>
<View style={styles.scanFrameWrap} pointerEvents="none">
<View style={[styles.cornerTL, { borderColor: colors.primary }]} />
<View style={[styles.cornerTR, { borderColor: colors.primary }]} />
<View style={[styles.cornerBL, { borderColor: colors.primary }]} />
<View style={[styles.cornerBR, { borderColor: colors.primary }]} />
</View>
<View style={styles.healthCard}>
<Text style={styles.overlayEyebrow} maxFontSizeMultiplier={OVERLAY_TEXT_MAX_MULTIPLIER}>
{copy.causeTitle}
</Text>
<View style={[styles.healthRow, styles.healthRowWarning]}>
<Ionicons name="alert-circle" size={15} color="#C62828" />
<Text style={styles.healthRowWarningText} maxFontSizeMultiplier={OVERLAY_TEXT_MAX_MULTIPLIER}>
{copy.causePrimary} · {copy.causePrimaryLevel}
</Text>
</View>
<View style={[styles.healthRow, styles.healthRowNeutral]}>
<Ionicons name="help-circle-outline" size={15} color="#6b7280" />
<Text style={styles.healthRowNeutralText} maxFontSizeMultiplier={OVERLAY_TEXT_MAX_MULTIPLIER}>
{copy.causeSecondary} · {copy.causeSecondaryLevel}
</Text>
</View>
{/* In derselben Karte statt als zweites absolutes Element: zwei frei
positionierte Overlays ueberlappen sich, sobald Uebersetzungen die
Karte wachsen lassen. */}
<View style={styles.checkInline}>
<Text style={styles.checkChipLabel} maxFontSizeMultiplier={OVERLAY_TEXT_MAX_MULTIPLIER}>
{copy.checkLabel}
</Text>
<Text style={styles.checkChipText} maxFontSizeMultiplier={OVERLAY_TEXT_MAX_MULTIPLIER}>
{copy.checkItems}
</Text>
</View>
</View>
</>
);
}
/** Slide 2: der Plan inklusive Follow-up - das ist der Kaufgrund. */
function PlanOverlay({ copy }: { copy: SlidesCopy }) {
return (
<View style={styles.healthCard}>
<View style={styles.healthCardHeader}>
<View style={styles.healthCardIcon}>
<Ionicons name="calendar" size={16} color="#2e7d32" />
</View>
<Text style={styles.healthCardTitle} maxFontSizeMultiplier={OVERLAY_TEXT_MAX_MULTIPLIER}>
{copy.planLabel}
</Text>
</View>
<View style={[styles.healthRow, styles.healthRowSuccess]}>
<Ionicons name="water-outline" size={15} color="#2e7d32" />
<Text style={styles.healthRowSuccessText} maxFontSizeMultiplier={OVERLAY_TEXT_MAX_MULTIPLIER}>
{copy.planNow}
</Text>
</View>
<View style={[styles.healthRow, styles.healthRowNeutral]}>
<Ionicons name="chatbubble-ellipses-outline" size={15} color="#6b7280" />
<Text style={styles.healthRowNeutralText} maxFontSizeMultiplier={OVERLAY_TEXT_MAX_MULTIPLIER}>
{copy.planFollowUp}
</Text>
</View>
</View>
);
}
/** Slide 3: die Grenzen des Verfahrens, sichtbar gemacht. */
function UncertaintyOverlay({ copy }: { copy: SlidesCopy }) {
return (
<View style={styles.healthCard}>
<View style={styles.healthCardHeader}>
<View style={styles.healthCardIcon}>
<Ionicons name="eye-off-outline" size={16} color="#6b7280" />
</View>
<Text style={styles.healthCardTitle} maxFontSizeMultiplier={OVERLAY_TEXT_MAX_MULTIPLIER}>
{copy.uncertainTitle}
</Text>
</View>
{copy.uncertainItems.map((item) => (
<View key={item} style={[styles.healthRow, styles.healthRowNeutral]}>
<Ionicons name="close-circle-outline" size={15} color="#6b7280" />
<Text style={styles.healthRowNeutralText} maxFontSizeMultiplier={OVERLAY_TEXT_MAX_MULTIPLIER}>
{item}
</Text>
</View>
))}
<Text style={styles.overlayNote} maxFontSizeMultiplier={OVERLAY_TEXT_MAX_MULTIPLIER}>
{copy.uncertainNote}
</Text>
</View>
);
}
export default function OnboardingSlidesScreen() {
const router = useRouter();
const scrollRef = useRef<ScrollView>(null);
const { height } = useWindowDimensions();
const insets = useSafeAreaInsets();
const compact = height < 700;
// Das Bild bekommt den Platz, den das Sheet uebrig laesst - aber nie weniger
// als diese Untergrenze. Feste Prozenthoehen haben bei groesserer
// System-Schriftgroesse den CTA aus dem Bildschirm geschoben.
const imageMinHeight = Math.round(height * (compact ? 0.46 : 0.42));
const { language, isDarkMode, colorPalette } = useApp();
const colors = useColors(isDarkMode, colorPalette);
const posthog = useSafeAnalytics();
const [page, setPage] = useState(0);
const copy = getSlidesCopy(language);
const slide = copy.slides[page];
useEffect(() => {
scrollRef.current?.scrollTo({ y: 0, animated: false });
posthog.capture('onboarding_slide_viewed', { index: page, slide: ['triage', 'plan', 'uncertainty'][page] });
}, [page, posthog]);
const next = () => {
if (page < copy.slides.length - 1) {
setPage(page + 1);
} else {
router.replace('/onboarding/source');
}
};
const back = () => {
if (page > 0) {
setPage(page - 1);
} else {
router.back();
}
};
return (
<ScrollView
ref={scrollRef}
style={[styles.container, { backgroundColor: isDarkMode ? '#0a110b' : '#f8fbef' }]}
contentContainerStyle={styles.scrollContent}
showsVerticalScrollIndicator={false}
bounces={false}
alwaysBounceVertical={false}
>
<View style={[styles.imageArea, { minHeight: imageMinHeight }]}>
<Image
source={
page === 0
? require('../../assets/onboarding_health_scan_mockup_vertical.png')
: page === 1
? require('../../assets/paywall_scan_background.png')
: require('../../assets/welcome_botanical_header.png')
}
style={styles.image}
resizeMode="cover"
/>
<SafeAreaView style={styles.imageSafeArea} edges={['top']}>
<TouchableOpacity onPress={back} style={styles.backBtn} activeOpacity={0.85}>
<Ionicons name="arrow-back" size={20} color="#1f2520" />
</TouchableOpacity>
</SafeAreaView>
{page === 0 && <CauseRankingOverlay copy={copy} colors={colors} />}
{page === 1 && <PlanOverlay copy={copy} />}
{page === 2 && <UncertaintyOverlay copy={copy} />}
</View>
<View
style={[
styles.sheet,
{ backgroundColor: colors.surface, paddingBottom: Math.max(insets.bottom, 16) + 8 },
]}
>
{/* maxFontSizeMultiplier: die Systemschriftgroesse darf die Headline
vergroessern, aber nicht so weit, dass sie das halbe Sheet frisst. */}
<Text style={[styles.title, { color: colors.text }]} maxFontSizeMultiplier={1.25}>
{slide.title}
</Text>
<Text style={[styles.body, { color: colors.textSecondary }]} maxFontSizeMultiplier={1.35}>
{slide.body}
</Text>
<View style={styles.dots}>
{copy.slides.map((_, index) => (
<View
key={index}
style={[
styles.dot,
index === page
? [styles.dotActive, { backgroundColor: colors.primary }]
: { backgroundColor: colors.border },
]}
/>
))}
</View>
<TouchableOpacity
style={[styles.cta, { backgroundColor: colors.primary }]}
onPress={next}
activeOpacity={0.86}
>
<Text style={[styles.ctaText, { color: colors.onPrimary }]} maxFontSizeMultiplier={1.2}>
{copy.continueLabel}
</Text>
</TouchableOpacity>
</View>
</ScrollView>
);
}
const styles = StyleSheet.create({
container: {
flex: 1,
},
scrollContent: {
// Fuellt mindestens den Bildschirm; wird der Inhalt bei sehr grosser
// Schrift hoeher, scrollt der Screen statt den CTA abzuschneiden.
flexGrow: 1,
},
imageArea: {
flexGrow: 1,
flexShrink: 0,
position: 'relative',
overflow: 'hidden',
},
image: {
...StyleSheet.absoluteFillObject,
},
imageSafeArea: {
position: 'absolute',
top: 0,
left: 0,
right: 0,
zIndex: 2,
},
backBtn: {
marginLeft: 16,
marginTop: 8,
width: 38,
height: 38,
borderRadius: 19,
backgroundColor: 'rgba(255,255,255,0.85)',
alignItems: 'center',
justifyContent: 'center',
},
// Scan frame overlay (slide 1)
scanFrameWrap: {
position: 'absolute',
top: '22%',
left: '20%',
right: '20%',
bottom: '26%',
},
cornerTL: {
position: 'absolute',
top: 0,
left: 0,
width: 30,
height: 30,
borderTopWidth: 4,
borderLeftWidth: 4,
borderTopLeftRadius: 8,
},
cornerTR: {
position: 'absolute',
top: 0,
right: 0,
width: 30,
height: 30,
borderTopWidth: 4,
borderRightWidth: 4,
borderTopRightRadius: 8,
},
cornerBL: {
position: 'absolute',
bottom: 0,
left: 0,
width: 30,
height: 30,
borderBottomWidth: 4,
borderLeftWidth: 4,
borderBottomLeftRadius: 8,
},
cornerBR: {
position: 'absolute',
bottom: 0,
right: 0,
width: 30,
height: 30,
borderBottomWidth: 4,
borderRightWidth: 4,
borderBottomRightRadius: 8,
},
// Health card overlay (slide 2)
healthCard: {
position: 'absolute',
bottom: 34,
left: 16,
right: 16,
zIndex: 1,
backgroundColor: 'rgba(255,255,255,0.96)',
borderRadius: 18,
padding: 14,
gap: 8,
},
healthCardHeader: {
flexDirection: 'row',
alignItems: 'center',
gap: 8,
marginBottom: 2,
},
healthCardIcon: {
width: 28,
height: 28,
borderRadius: 14,
backgroundColor: '#fdeaea',
alignItems: 'center',
justifyContent: 'center',
},
healthCardTitle: {
fontSize: 16,
fontWeight: '800',
color: '#1f2520',
},
healthRow: {
flexDirection: 'row',
alignItems: 'center',
gap: 8,
borderRadius: 10,
paddingHorizontal: 10,
paddingVertical: 8,
},
healthRowWarning: {
backgroundColor: '#fdeaea',
},
healthRowWarningText: {
fontSize: 13.5,
fontWeight: '700',
color: '#C62828',
},
healthRowSuccess: {
backgroundColor: '#e8f3e3',
},
healthRowSuccessText: {
fontSize: 13.5,
fontWeight: '700',
color: '#2e7d32',
},
// Neutrale Zeile: bewusst grau, damit "weniger wahrscheinlich" und
// "was wir nicht sehen" optisch NICHT wie eine Zusage aussehen.
healthRowNeutral: {
backgroundColor: '#f1f2f0',
},
healthRowNeutralText: {
fontSize: 13.5,
fontWeight: '600',
color: '#5b6158',
},
overlayEyebrow: {
fontSize: 10.5,
fontWeight: '900',
letterSpacing: 0.9,
textTransform: 'uppercase',
color: '#6b7280',
marginBottom: 8,
},
overlayNote: {
fontSize: 11.5,
lineHeight: 15,
fontWeight: '600',
color: '#6b7280',
marginTop: 8,
},
checkInline: {
borderTopWidth: 1,
borderTopColor: 'rgba(0,0,0,0.08)',
paddingTop: 9,
marginTop: 2,
},
// Ein Stack statt zwei absoluter Elemente: die Bloecke koennen sich nicht
// mehr ueberlappen, egal wie lang der uebersetzte Text wird.
checkChipLabel: {
fontSize: 10,
fontWeight: '900',
letterSpacing: 0.8,
textTransform: 'uppercase',
color: '#6b7280',
marginBottom: 3,
},
checkChipText: {
fontSize: 12.5,
lineHeight: 17,
fontWeight: '700',
color: '#1f2520',
},
// Reminder chips overlay (slide 3)
// Bottom sheet
sheet: {
// Hoehe folgt dem Inhalt statt einem festen Prozentwert - sonst haengt es
// von Textlaenge und Systemschriftgroesse ab, ob der CTA noch passt.
flexShrink: 0,
borderTopLeftRadius: 28,
borderTopRightRadius: 28,
marginTop: -24,
paddingHorizontal: 24,
paddingTop: 32,
alignItems: 'center',
},
title: {
fontSize: 30,
fontWeight: '900',
textAlign: 'center',
marginBottom: 10,
},
body: {
fontSize: 15.5,
lineHeight: 22,
textAlign: 'center',
maxWidth: 320,
marginBottom: 20,
},
dots: {
flexDirection: 'row',
alignItems: 'center',
gap: 8,
marginBottom: 22,
},
dot: {
width: 8,
height: 8,
borderRadius: 4,
},
dotActive: {
width: 26,
height: 8,
borderRadius: 4,
},
cta: {
alignSelf: 'stretch',
minHeight: 58,
paddingVertical: 16,
borderRadius: 14,
alignItems: 'center',
justifyContent: 'center',
},
ctaText: {
fontSize: 17,
fontWeight: '800',
},
});