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Eventify-frontend/lib/screens/learn_more_screen.dart
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2026-03-11 20:30:06 +05:30

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// lib/screens/learn_more_screen.dart
import 'dart:async';
import 'dart:ui';
import 'package:flutter/material.dart';
import 'package:google_maps_flutter/google_maps_flutter.dart';
import 'package:share_plus/share_plus.dart';
import 'package:url_launcher/url_launcher.dart';
import '../features/events/models/event_models.dart';
import '../features/events/services/events_service.dart';
class LearnMoreScreen extends StatefulWidget {
final int eventId;
const LearnMoreScreen({Key? key, required this.eventId}) : super(key: key);
@override
State<LearnMoreScreen> createState() => _LearnMoreScreenState();
}
class _LearnMoreScreenState extends State<LearnMoreScreen> {
final EventsService _service = EventsService();
bool _loading = true;
EventModel? _event;
String? _error;
// Carousel
final PageController _pageController = PageController();
int _currentPage = 0;
Timer? _autoScrollTimer;
// About section
bool _aboutExpanded = false;
// Wishlist (UI-only)
bool _wishlisted = false;
// Google Map
GoogleMapController? _mapController;
MapType _mapType = MapType.normal;
bool _showMapControls = false;
@override
void initState() {
super.initState();
_loadEvent();
}
@override
void dispose() {
_autoScrollTimer?.cancel();
_pageController.dispose();
_mapController?.dispose();
super.dispose();
}
// ---------------------------------------------------------------------------
// Data loading
// ---------------------------------------------------------------------------
Future<void> _loadEvent() async {
setState(() {
_loading = true;
_error = null;
});
try {
final ev = await _service.getEventDetails(widget.eventId);
if (!mounted) return;
setState(() => _event = ev);
_startAutoScroll();
} catch (e) {
if (!mounted) return;
setState(() => _error = e.toString());
} finally {
if (mounted) setState(() => _loading = false);
}
}
// ---------------------------------------------------------------------------
// Carousel helpers
// ---------------------------------------------------------------------------
List<String> get _imageUrls {
final list = <String>[];
if (_event == null) return list;
final thumb = _event!.thumbImg;
if (thumb != null && thumb.isNotEmpty) list.add(thumb);
for (final img in _event!.images) {
if (img.image.isNotEmpty && !list.contains(img.image)) list.add(img.image);
}
return list;
}
void _startAutoScroll() {
_autoScrollTimer?.cancel();
final count = _imageUrls.length;
if (count <= 1) return;
_autoScrollTimer = Timer.periodic(const Duration(seconds: 3), (_) {
if (!_pageController.hasClients) return;
final next = (_currentPage + 1) % count;
_pageController.animateToPage(next,
duration: const Duration(milliseconds: 500), curve: Curves.easeInOut);
});
}
// ---------------------------------------------------------------------------
// Date formatting
// ---------------------------------------------------------------------------
String _formattedDateRange() {
if (_event == null) return '';
try {
final s = DateTime.parse(_event!.startDate);
final e = DateTime.parse(_event!.endDate);
const months = [
'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun',
'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'
];
if (s.year == e.year && s.month == e.month && s.day == e.day) {
return '${s.day} ${months[s.month - 1]}';
}
if (s.month == e.month && s.year == e.year) {
return '${s.day} - ${e.day} ${months[s.month - 1]}';
}
return '${s.day} ${months[s.month - 1]} - ${e.day} ${months[e.month - 1]}';
} catch (_) {
return '${_event!.startDate} ${_event!.endDate}';
}
}
// ---------------------------------------------------------------------------
// Actions
// ---------------------------------------------------------------------------
Future<void> _shareEvent() async {
final title = _event?.title ?? _event?.name ?? 'Check out this event';
final url =
'https://uat.eventifyplus.com/events/${widget.eventId}';
await Share.share('$title\n$url', subject: title);
}
Future<void> _openUrl(String url) async {
final uri = Uri.parse(url);
if (await canLaunchUrl(uri)) {
await launchUrl(uri, mode: LaunchMode.externalApplication);
}
}
void _viewLargerMap() {
if (_event?.latitude == null || _event?.longitude == null) return;
_openUrl(
'https://www.google.com/maps/search/?api=1&query=${_event!.latitude},${_event!.longitude}');
}
void _getDirections() {
if (_event?.latitude == null || _event?.longitude == null) return;
_openUrl(
'https://www.google.com/maps/dir/?api=1&destination=${_event!.latitude},${_event!.longitude}');
}
// ---------------------------------------------------------------------------
// Map camera helpers
// ---------------------------------------------------------------------------
void _moveCamera(double latDelta, double lngDelta) {
_mapController?.animateCamera(CameraUpdate.scrollBy(lngDelta * 80, -latDelta * 80));
}
void _zoom(double amount) {
_mapController?.animateCamera(CameraUpdate.zoomBy(amount));
}
// ---------------------------------------------------------------------------
// BUILD
// ---------------------------------------------------------------------------
@override
Widget build(BuildContext context) {
final theme = Theme.of(context);
if (_loading) {
return Scaffold(
backgroundColor: theme.scaffoldBackgroundColor,
body: _buildLoadingShimmer(theme),
);
}
if (_error != null) {
return Scaffold(
backgroundColor: theme.scaffoldBackgroundColor,
body: Center(
child: Padding(
padding: const EdgeInsets.all(32),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Icon(Icons.error_outline, size: 56, color: theme.colorScheme.error),
const SizedBox(height: 16),
Text('Something went wrong',
style: theme.textTheme.titleMedium
?.copyWith(fontWeight: FontWeight.bold)),
const SizedBox(height: 8),
Text(_error!, textAlign: TextAlign.center, style: theme.textTheme.bodyMedium),
const SizedBox(height: 24),
ElevatedButton.icon(
onPressed: _loadEvent,
icon: const Icon(Icons.refresh),
label: const Text('Retry'),
),
],
),
),
),
);
}
if (_event == null) {
return Scaffold(
backgroundColor: theme.scaffoldBackgroundColor,
body: const Center(child: Text('Event not found')),
);
}
final screenHeight = MediaQuery.of(context).size.height;
final imageHeight = screenHeight * 0.50;
final overlap = 30.0;
return Scaffold(
backgroundColor: theme.scaffoldBackgroundColor,
body: Stack(
children: [
// ── LAYER 1: Image carousel (background) ──
_buildImageCarousel(theme, imageHeight),
// ── LAYER 2: Scrollable content with overlapping white card ──
SingleChildScrollView(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Transparent spacer — shows the image behind
SizedBox(height: imageHeight - overlap),
// White card with rounded top corners overlapping image
Container(
width: double.infinity,
decoration: BoxDecoration(
color: theme.scaffoldBackgroundColor,
borderRadius: const BorderRadius.vertical(
top: Radius.circular(28),
),
boxShadow: [
BoxShadow(
color: Colors.black.withOpacity(0.08),
blurRadius: 20,
offset: const Offset(0, -6),
),
],
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
_buildTitleSection(theme),
_buildAboutSection(theme),
if (_event!.latitude != null && _event!.longitude != null) ...[
_buildVenueSection(theme),
_buildGetDirectionsButton(theme),
],
if (_event!.importantInfo.isNotEmpty)
_buildImportantInfoSection(theme),
if (_event!.importantInfo.isEmpty &&
(_event!.importantInformation ?? '').isNotEmpty)
_buildImportantInfoFallback(theme),
const SizedBox(height: 100),
],
),
),
],
),
),
// ── LAYER 3: Floating icon row (above scrollview so taps work) ──
Positioned(
top: MediaQuery.of(context).padding.top + 10,
left: 16,
right: 16,
child: Row(
children: [
_squareIconButton(
icon: Icons.arrow_back,
onTap: () => Navigator.pop(context),
),
// Pill-shaped page indicators (centered)
Expanded(
child: _imageUrls.length > 1
? Row(
mainAxisAlignment: MainAxisAlignment.center,
children: List.generate(_imageUrls.length, (i) {
final active = i == _currentPage;
return AnimatedContainer(
duration: const Duration(milliseconds: 300),
margin: const EdgeInsets.symmetric(horizontal: 3),
width: active ? 18 : 8,
height: 6,
decoration: BoxDecoration(
color: active
? Colors.white
: Colors.white.withOpacity(0.45),
borderRadius: BorderRadius.circular(3),
),
);
}),
)
: const SizedBox.shrink(),
),
_squareIconButton(
icon: Icons.ios_share_outlined,
onTap: _shareEvent,
),
const SizedBox(width: 10),
_squareIconButton(
icon: _wishlisted ? Icons.favorite : Icons.favorite_border,
iconColor: _wishlisted ? Colors.redAccent : Colors.white,
onTap: () => setState(() => _wishlisted = !_wishlisted),
),
],
),
),
],
),
);
}
// ---------------------------------------------------------------------------
// 1. LOADING SHIMMER
// ---------------------------------------------------------------------------
Widget _buildLoadingShimmer(ThemeData theme) {
return SafeArea(
child: Padding(
padding: const EdgeInsets.all(20),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Placeholder image
Container(
height: MediaQuery.of(context).size.height * 0.42,
decoration: BoxDecoration(
color: theme.dividerColor.withOpacity(0.3),
borderRadius: BorderRadius.circular(28),
),
),
const SizedBox(height: 24),
// Placeholder title
Container(
height: 28,
width: 220,
decoration: BoxDecoration(
color: theme.dividerColor.withOpacity(0.3),
borderRadius: BorderRadius.circular(8),
),
),
const SizedBox(height: 12),
Container(
height: 16,
width: 140,
decoration: BoxDecoration(
color: theme.dividerColor.withOpacity(0.3),
borderRadius: BorderRadius.circular(6),
),
),
const SizedBox(height: 20),
Container(
height: 16,
width: double.infinity,
decoration: BoxDecoration(
color: theme.dividerColor.withOpacity(0.3),
borderRadius: BorderRadius.circular(6),
),
),
const SizedBox(height: 8),
Container(
height: 16,
width: double.infinity,
decoration: BoxDecoration(
color: theme.dividerColor.withOpacity(0.3),
borderRadius: BorderRadius.circular(6),
),
),
],
),
),
);
}
// ---------------------------------------------------------------------------
// 2. IMAGE CAROUSEL WITH BLURRED BACKGROUND
// ---------------------------------------------------------------------------
Widget _buildImageCarousel(ThemeData theme, double carouselHeight) {
final images = _imageUrls;
final topPad = MediaQuery.of(context).padding.top;
return SizedBox(
height: carouselHeight,
child: Stack(
children: [
// ---- Blurred background (image or blue gradient) ----
Positioned.fill(
child: images.isNotEmpty
? ClipRect(
child: Stack(
fit: StackFit.expand,
children: [
Image.network(
images[_currentPage],
fit: BoxFit.cover,
errorBuilder: (_, __, ___) => Container(
decoration: const BoxDecoration(
gradient: LinearGradient(
begin: Alignment.topLeft,
end: Alignment.bottomRight,
colors: [Color(0xFF1A56DB), Color(0xFF3B82F6)],
),
),
),
),
BackdropFilter(
filter: ImageFilter.blur(sigmaX: 25, sigmaY: 25),
child: Container(
color: Colors.black.withOpacity(0.15),
),
),
],
),
)
: Container(
decoration: const BoxDecoration(
gradient: LinearGradient(
begin: Alignment.topLeft,
end: Alignment.bottomRight,
colors: [Color(0xFF1A56DB), Color(0xFF3B82F6)],
),
),
),
),
// ---- Foreground image with rounded corners ----
if (images.isNotEmpty)
Positioned(
top: topPad + 56, // below the icon row
left: 20,
right: 20,
bottom: 16,
child: ClipRRect(
borderRadius: BorderRadius.circular(20),
child: PageView.builder(
controller: _pageController,
onPageChanged: (i) => setState(() => _currentPage = i),
itemCount: images.length,
itemBuilder: (_, i) => Image.network(
images[i],
fit: BoxFit.cover,
width: double.infinity,
errorBuilder: (_, __, ___) => Container(
color: theme.dividerColor,
child: Icon(Icons.broken_image, size: 48, color: theme.hintColor),
),
),
),
),
),
// ---- No-image placeholder ----
if (images.isEmpty)
Positioned(
top: topPad + 56,
left: 20,
right: 20,
bottom: 16,
child: Container(
decoration: BoxDecoration(
color: Colors.white.withOpacity(0.15),
borderRadius: BorderRadius.circular(20),
),
child: const Center(
child: Icon(Icons.event, size: 80, color: Colors.white70),
),
),
),
],
),
);
}
/// Square icon button with rounded corners and translucent white background
Widget _squareIconButton({
required IconData icon,
required VoidCallback onTap,
Color iconColor = Colors.white,
}) {
return GestureDetector(
onTap: onTap,
child: Container(
width: 42,
height: 42,
decoration: BoxDecoration(
color: Colors.white.withOpacity(0.2),
borderRadius: BorderRadius.circular(12),
border: Border.all(color: Colors.white.withOpacity(0.3)),
),
child: Icon(icon, color: iconColor, size: 22),
),
);
}
// ---------------------------------------------------------------------------
// 3. TITLE & DATE
// ---------------------------------------------------------------------------
Widget _buildTitleSection(ThemeData theme) {
return Padding(
padding: const EdgeInsets.fromLTRB(20, 24, 20, 0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
_event!.title ?? _event!.name,
style: theme.textTheme.headlineSmall?.copyWith(
fontWeight: FontWeight.w800,
fontSize: 26,
height: 1.25,
),
),
const SizedBox(height: 8),
Row(
children: [
Icon(Icons.calendar_today_outlined,
size: 16, color: theme.hintColor),
const SizedBox(width: 6),
Text(
_formattedDateRange(),
style: theme.textTheme.bodyMedium?.copyWith(
color: theme.hintColor,
fontSize: 15,
),
),
],
),
],
),
);
}
// ---------------------------------------------------------------------------
// 4. ABOUT THE EVENT
// ---------------------------------------------------------------------------
Widget _buildAboutSection(ThemeData theme) {
final desc = _event!.description ?? '';
if (desc.isEmpty) return const SizedBox.shrink();
return Padding(
padding: const EdgeInsets.fromLTRB(20, 24, 20, 0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'About the Event',
style: theme.textTheme.titleMedium?.copyWith(
fontWeight: FontWeight.w800,
fontSize: 20,
),
),
const SizedBox(height: 10),
AnimatedCrossFade(
firstChild: Text(
desc,
maxLines: 4,
overflow: TextOverflow.ellipsis,
style: theme.textTheme.bodyMedium?.copyWith(
height: 1.55,
color: theme.textTheme.bodyMedium?.color?.withOpacity(0.75),
),
),
secondChild: Text(
desc,
style: theme.textTheme.bodyMedium?.copyWith(
height: 1.55,
color: theme.textTheme.bodyMedium?.color?.withOpacity(0.75),
),
),
crossFadeState:
_aboutExpanded ? CrossFadeState.showSecond : CrossFadeState.showFirst,
duration: const Duration(milliseconds: 300),
),
const SizedBox(height: 6),
GestureDetector(
onTap: () => setState(() => _aboutExpanded = !_aboutExpanded),
child: Text(
_aboutExpanded ? 'Read Less' : 'Read More',
style: TextStyle(
color: theme.colorScheme.primary,
fontWeight: FontWeight.w700,
fontSize: 15,
),
),
),
],
),
);
}
// ---------------------------------------------------------------------------
// 5. VENUE LOCATION (Google Map)
// ---------------------------------------------------------------------------
Widget _buildVenueSection(ThemeData theme) {
final lat = _event!.latitude!;
final lng = _event!.longitude!;
final venueLabel = _event!.locationName ?? _event!.venueName ?? _event!.place ?? '';
return Padding(
padding: const EdgeInsets.fromLTRB(20, 28, 20, 0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'Venue Location',
style: theme.textTheme.titleMedium?.copyWith(
fontWeight: FontWeight.w800,
fontSize: 20,
),
),
const SizedBox(height: 14),
// Map container
ClipRRect(
borderRadius: BorderRadius.circular(20),
child: SizedBox(
height: 280,
child: Stack(
children: [
GoogleMap(
initialCameraPosition: CameraPosition(
target: LatLng(lat, lng),
zoom: 15,
),
mapType: _mapType,
markers: {
Marker(
markerId: const MarkerId('event'),
position: LatLng(lat, lng),
infoWindow: InfoWindow(title: venueLabel),
),
},
myLocationButtonEnabled: false,
zoomControlsEnabled: false,
scrollGesturesEnabled: true,
rotateGesturesEnabled: false,
tiltGesturesEnabled: false,
onMapCreated: (c) => _mapController = c,
),
// "View larger map" top left
Positioned(
top: 10,
left: 10,
child: GestureDetector(
onTap: _viewLargerMap,
child: Container(
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 7),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(8),
boxShadow: [
BoxShadow(
color: Colors.black.withOpacity(0.12),
blurRadius: 6,
),
],
),
child: Text(
'View larger map',
style: TextStyle(
color: theme.colorScheme.primary,
fontWeight: FontWeight.w600,
fontSize: 13,
),
),
),
),
),
// Map type toggle bottom left
Positioned(
bottom: 12,
left: 12,
child: _mapControlButton(
icon: _mapType == MapType.normal
? Icons.satellite_alt
: Icons.map_outlined,
onTap: () {
setState(() {
_mapType = _mapType == MapType.normal
? MapType.satellite
: MapType.normal;
});
},
),
),
// Map controls toggle bottom right
Positioned(
bottom: 12,
right: 12,
child: _mapControlButton(
icon: Icons.open_with_rounded,
onTap: () => setState(() => _showMapControls = !_showMapControls),
),
),
// Directional pad overlay
if (_showMapControls)
Positioned.fill(
child: Container(
decoration: BoxDecoration(
color: Colors.black.withOpacity(0.25),
borderRadius: BorderRadius.circular(20),
),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
// Top row: Up + Zoom In
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
_mapControlButton(
icon: Icons.keyboard_arrow_up,
onTap: () => _moveCamera(1, 0)),
const SizedBox(width: 16),
_mapControlButton(
icon: Icons.add,
onTap: () => _zoom(1)),
],
),
const SizedBox(height: 10),
// Middle row: Left + Right
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
_mapControlButton(
icon: Icons.keyboard_arrow_left,
onTap: () => _moveCamera(0, -1)),
const SizedBox(width: 60),
_mapControlButton(
icon: Icons.keyboard_arrow_right,
onTap: () => _moveCamera(0, 1)),
],
),
const SizedBox(height: 10),
// Bottom row: Down + Zoom Out + Close
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
_mapControlButton(
icon: Icons.keyboard_arrow_down,
onTap: () => _moveCamera(-1, 0)),
const SizedBox(width: 16),
_mapControlButton(
icon: Icons.remove,
onTap: () => _zoom(-1)),
const SizedBox(width: 16),
_mapControlButton(
icon: Icons.close,
onTap: () =>
setState(() => _showMapControls = false)),
],
),
],
),
),
),
],
),
),
),
// Venue name card
if (venueLabel.isNotEmpty)
Container(
width: double.infinity,
margin: const EdgeInsets.only(top: 14),
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: theme.cardColor,
borderRadius: BorderRadius.circular(16),
boxShadow: [
BoxShadow(
color: theme.shadowColor.withOpacity(0.06),
blurRadius: 12,
offset: const Offset(0, 4),
),
],
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
venueLabel,
style: theme.textTheme.titleMedium?.copyWith(
fontWeight: FontWeight.bold,
),
),
if (_event!.place != null && _event!.place != venueLabel)
Padding(
padding: const EdgeInsets.only(top: 4),
child: Text(
_event!.place!,
style: theme.textTheme.bodyMedium?.copyWith(
color: theme.hintColor,
),
),
),
],
),
),
],
),
);
}
Widget _mapControlButton({
required IconData icon,
required VoidCallback onTap,
}) {
return GestureDetector(
onTap: onTap,
child: Container(
width: 44,
height: 44,
decoration: BoxDecoration(
color: Colors.white.withOpacity(0.92),
shape: BoxShape.circle,
boxShadow: [
BoxShadow(
color: Colors.black.withOpacity(0.15),
blurRadius: 6,
),
],
),
child: Icon(icon, color: Colors.grey.shade700, size: 22),
),
);
}
// ---------------------------------------------------------------------------
// 6. GET DIRECTIONS BUTTON
// ---------------------------------------------------------------------------
Widget _buildGetDirectionsButton(ThemeData theme) {
return Padding(
padding: const EdgeInsets.fromLTRB(20, 18, 20, 0),
child: SizedBox(
width: double.infinity,
height: 54,
child: ElevatedButton.icon(
onPressed: _getDirections,
style: ElevatedButton.styleFrom(
backgroundColor: theme.colorScheme.primary,
foregroundColor: Colors.white,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(16),
),
elevation: 2,
),
icon: const Icon(Icons.directions, size: 22),
label: const Text(
'Get Directions',
style: TextStyle(fontSize: 16, fontWeight: FontWeight.w700),
),
),
),
);
}
// ---------------------------------------------------------------------------
// 7. IMPORTANT INFORMATION (structured list)
// ---------------------------------------------------------------------------
Widget _buildImportantInfoSection(ThemeData theme) {
return Padding(
padding: const EdgeInsets.fromLTRB(20, 28, 20, 0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'Important Information',
style: theme.textTheme.titleMedium?.copyWith(
fontWeight: FontWeight.w800,
fontSize: 20,
),
),
const SizedBox(height: 14),
for (final info in _event!.importantInfo)
Container(
width: double.infinity,
margin: const EdgeInsets.only(bottom: 12),
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: theme.colorScheme.primary.withOpacity(0.05),
borderRadius: BorderRadius.circular(16),
border: Border.all(
color: theme.colorScheme.primary.withOpacity(0.12),
),
),
child: Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Container(
width: 36,
height: 36,
decoration: BoxDecoration(
color: theme.colorScheme.primary.withOpacity(0.1),
borderRadius: BorderRadius.circular(10),
),
child: Icon(Icons.info_outline,
size: 20, color: theme.colorScheme.primary),
),
const SizedBox(width: 14),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
info['title'] ?? '',
style: theme.textTheme.bodyLarge?.copyWith(
fontWeight: FontWeight.w700,
),
),
const SizedBox(height: 4),
Text(
info['value'] ?? '',
style: theme.textTheme.bodyMedium?.copyWith(
color: theme.hintColor,
height: 1.4,
),
),
],
),
),
],
),
),
],
),
);
}
// ---------------------------------------------------------------------------
// 7b. IMPORTANT INFO FALLBACK (parse HTML string into cards)
// ---------------------------------------------------------------------------
/// Strip HTML tags and decode common HTML entities
String _stripHtml(String html) {
// Remove all HTML tags
var text = html.replaceAll(RegExp(r'<[^>]*>'), '');
// Decode common HTML entities
text = text
.replaceAll('&amp;', '&')
.replaceAll('&lt;', '<')
.replaceAll('&gt;', '>')
.replaceAll('&quot;', '"')
.replaceAll('&#39;', "'")
.replaceAll('&nbsp;', ' ');
return text.trim();
}
/// Parse an HTML important_information string into a list of {title, value} maps
List<Map<String, String>> _parseHtmlImportantInfo(String raw) {
// Strip HTML tags, preserving <br> as a newline separator first
var text = raw
.replaceAll(RegExp(r'<br\s*/?>', caseSensitive: false), '\n')
.replaceAll(RegExp(r'<[^>]*>'), '');
// Decode entities
text = text
.replaceAll('&amp;', '&')
.replaceAll('&lt;', '<')
.replaceAll('&gt;', '>')
.replaceAll('&quot;', '"')
.replaceAll('&#39;', "'")
.replaceAll('&nbsp;', ' ');
// Split by newlines first
var lines = text
.split('\n')
.map((l) => l.trim())
.where((l) => l.isNotEmpty)
.toList();
// If we only have 1 line, items might be separated by emoji characters
// (some categories don't use <br> between items, e.g. "...etc.🚌 Bus:")
if (lines.length <= 1 && text.trim().isNotEmpty) {
final parts = text.trim().split(
RegExp(r'(?=[\u2600-\u27BF]|[\u{1F300}-\u{1FFFF}])', unicode: true),
);
final emojiLines = parts
.map((l) => l.trim())
.where((l) => l.isNotEmpty)
.toList();
if (emojiLines.length > 1) {
lines = emojiLines;
}
}
final items = <Map<String, String>>[];
for (final line in lines) {
// Split on first colon to get title:value
final colonIdx = line.indexOf(':');
if (colonIdx > 0 && colonIdx < line.length - 1) {
items.add({
'title': line.substring(0, colonIdx + 1).trim(),
'value': line.substring(colonIdx + 1).trim(),
});
} else {
items.add({'title': line, 'value': ''});
}
}
return items;
}
Widget _buildImportantInfoFallback(ThemeData theme) {
final parsed = _parseHtmlImportantInfo(_event!.importantInformation!);
if (parsed.isEmpty) return const SizedBox.shrink();
return Padding(
padding: const EdgeInsets.fromLTRB(20, 28, 20, 0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'Important Information',
style: theme.textTheme.titleMedium?.copyWith(
fontWeight: FontWeight.w800,
fontSize: 20,
),
),
const SizedBox(height: 14),
for (final info in parsed)
Container(
width: double.infinity,
margin: const EdgeInsets.only(bottom: 12),
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: theme.colorScheme.primary.withOpacity(0.05),
borderRadius: BorderRadius.circular(16),
border: Border.all(
color: theme.colorScheme.primary.withOpacity(0.12),
),
),
child: Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Container(
width: 36,
height: 36,
decoration: BoxDecoration(
color: theme.colorScheme.primary.withOpacity(0.1),
borderRadius: BorderRadius.circular(10),
),
child: Icon(Icons.info_outline,
size: 20, color: theme.colorScheme.primary),
),
const SizedBox(width: 14),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
info['title'] ?? '',
style: theme.textTheme.bodyLarge?.copyWith(
fontWeight: FontWeight.w700,
),
),
if ((info['value'] ?? '').isNotEmpty) ...[
const SizedBox(height: 4),
Text(
info['value']!,
style: theme.textTheme.bodyMedium?.copyWith(
color: theme.hintColor,
height: 1.4,
),
),
],
],
),
),
],
),
),
],
),
);
}
}