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base_flutter/lib/features/home/presentation/pages/home_page.dart
2025-10-01 08:15:05 +07:00

512 lines
16 KiB
Dart

import 'dart:math' as math;
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:go_router/go_router.dart';
import '../../../../core/routing/route_paths.dart';
import '../../../../core/routing/route_guards.dart';
import '../../../../shared/presentation/providers/app_providers.dart';
/// Home page with navigation to different features
class LevelMapScreen extends StatefulWidget {
const LevelMapScreen({super.key});
@override
State<LevelMapScreen> createState() => _LevelMapScreenState();
}
class _LevelMapScreenState extends State<LevelMapScreen> {
final ScrollController _scroll = ScrollController();
// ---- Dynamic level data (change these) ----
final int totalLevels = 60; // total levels you want to show
final int currentLevelIndex = 4; // 0-based index of current level
// ---- Layout knobs (tweak to taste) ----
static const double kNodeSpacing = 220; // px along the path between bubbles
static const double kStartOffset = 140; // first bubble offset from path start
static const double kVerticalStep = 270; // vertical descent per circle loop
// The scrollable map height is finite and derived from how many levels we show.
double get mapHeight {
return _calculateRequiredHeight(
totalLevels: totalLevels,
nodeSpacing: kNodeSpacing,
startOffset: kStartOffset,
);
}
/// Calculate the actual vertical height needed for circular path
double _calculateRequiredHeight({
required int totalLevels,
required double nodeSpacing,
required double startOffset,
}) {
// Path parameters (must match _buildCircularPath)
const double baseRadius = 0.32; // percentage of width
const double topPadding = 100.0;
const double bottomPadding = 100.0;
// Estimate circle circumference (approximation for cubic bezier circle)
final screenWidth = MediaQuery.of(context).size.width;
final radiusInPixels = screenWidth * baseRadius;
final approximateCircleLength = 2 * math.pi * radiusInPixels;
// Total path length needed for all nodes
final totalPathLength = startOffset + (totalLevels - 1) * nodeSpacing;
// Calculate how many circles we need
final numberOfCircles = (totalPathLength / approximateCircleLength).ceil();
// Calculate actual vertical height
final contentHeight = numberOfCircles * kVerticalStep;
final totalHeight = topPadding + contentHeight + bottomPadding;
return math.max(1200, totalHeight);
}
double? _currentLevelY; // used to auto-scroll near the current level
@override
void initState() {
super.initState();
// Auto-scroll after first layout
WidgetsBinding.instance.addPostFrameCallback((_) {
final y = _currentLevelY ?? 0;
final screenH = MediaQuery.of(context).size.height;
final target = (y - screenH * 0.45).clamp(0.0, mapHeight);
_scroll.animateTo(
target,
duration: const Duration(milliseconds: 600),
curve: Curves.easeOutCubic,
);
});
}
@override
void dispose() {
_scroll.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: const Color(0xFFFFB43E), // warm island background
body: SafeArea(
child: Column(
children: [
_buildHeader(),
Expanded(
child: LayoutBuilder(
builder: (ctx, c) {
return SingleChildScrollView(
controller: _scroll,
child: SizedBox(
height: mapHeight, // <-- finite height
width: c.maxWidth,
child: LevelMap(
totalLevels: totalLevels,
currentIndex: currentLevelIndex,
nodeSpacing: kNodeSpacing,
startOffsetOnPath: kStartOffset,
verticalStep: kVerticalStep,
showFinishAtEnd: true,
onCurrentLevelPositionResolved: (dy) {
_currentLevelY = dy;
},
),
),
);
},
),
),
_buildBottomNav(),
],
),
),
);
}
Widget _buildHeader() => Padding(
padding: const EdgeInsets.fromLTRB(8, 8, 8, 12),
child: Row(
children: [
IconButton(onPressed: () {}, icon: const Icon(Icons.arrow_back)),
const Expanded(
child: Text(
'Kho báu đảo hoang',
textAlign: TextAlign.center,
style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
),
),
IconButton(onPressed: () {}, icon: const Icon(Icons.refresh)),
],
),
);
Widget _buildBottomNav() => Container(
decoration: BoxDecoration(
color: Colors.white,
borderRadius: const BorderRadius.only(
topLeft: Radius.circular(20), topRight: Radius.circular(20)),
boxShadow: [
BoxShadow(
color: Colors.black.withOpacity(0.08),
blurRadius: 12,
offset: const Offset(0, -2),
)
],
),
child: SafeArea(
top: false,
child: Padding(
padding: const EdgeInsets.symmetric(vertical: 8),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: const [
_Nav(icon: Icons.home, label: 'Trang chủ'),
_Nav(icon: Icons.location_on, label: 'Khám phá', active: true),
_Nav(icon: Icons.bar_chart, label: 'Xếp hạng'),
_Nav(icon: Icons.people, label: 'Kết nối'),
_Nav(icon: Icons.person, label: 'Cá nhân'),
],
),
),
),
);
}
class _Nav extends StatelessWidget {
final IconData icon;
final String label;
final bool active;
const _Nav({required this.icon, required this.label, this.active = false, super.key});
@override
Widget build(BuildContext context) {
return Column(mainAxisSize: MainAxisSize.min, children: [
Container(
padding: const EdgeInsets.all(12),
decoration: BoxDecoration(
color: active ? Colors.orange : Colors.transparent,
borderRadius: BorderRadius.circular(12),
),
child: Icon(icon, color: active ? Colors.white : Colors.grey)),
const SizedBox(height: 4),
Text(
label,
style: TextStyle(
fontSize: 12,
color: active ? Colors.orange : Colors.grey,
fontWeight: active ? FontWeight.bold : FontWeight.normal,
),
),
]);
}
}
/// Draws the path and positions dynamic level nodes **along the path**.
class LevelMap extends StatelessWidget {
final int totalLevels;
final int currentIndex;
final double nodeSpacing;
final double startOffsetOnPath;
final double verticalStep;
final bool showFinishAtEnd;
final ValueChanged<double>? onCurrentLevelPositionResolved;
const LevelMap({
super.key,
required this.totalLevels,
required this.currentIndex,
required this.nodeSpacing,
required this.startOffsetOnPath,
required this.verticalStep,
this.showFinishAtEnd = false,
this.onCurrentLevelPositionResolved,
});
@override
Widget build(BuildContext context) {
return LayoutBuilder(builder: (ctx, c) {
final size = Size(c.maxWidth, c.maxHeight);
// Build a circular/spiral path that fills this finite canvas.
final path = _buildCircularPath(size, verticalStep);
// Measure the path
final metrics = path.computeMetrics().toList();
if (metrics.isEmpty) return const SizedBox.shrink();
final metric = metrics.first; // single contour
final totalLen = metric.length;
// Required length to host all visible levels
final requiredLen =
startOffsetOnPath + (math.max(1, totalLevels) - 1) * nodeSpacing;
// Clamp to available path length
final effectiveLen = requiredLen.clamp(0, totalLen - 1);
// Compute bubble positions
final nodes = <Widget>[];
const bubbleRadius = 28.0; // 56x56
const eps = 0.001;
double d = startOffsetOnPath;
Offset? lastNodePosition; // Track last node position for finish flag
for (int i = 0; i < totalLevels; i++) {
final clamped = d.clamp(0, totalLen - eps);
final tan = metric.getTangentForOffset(clamped.toDouble())!;
final pos = tan.position;
// Store last node position
if (i == totalLevels - 1) {
lastNodePosition = pos;
}
nodes.add(Positioned(
left: pos.dx - bubbleRadius,
top: pos.dy - bubbleRadius,
child: LevelNode(
level: i + 1,
isCompleted: i < currentIndex,
isCurrent: i == currentIndex,
isLocked: i > currentIndex,
onTap: i > currentIndex ? null : () {
debugPrint('Level ${i + 1} tapped');
context.pushNamed('lesson');
},
),
));
d += nodeSpacing;
if (d > totalLen - eps) break; // stop when path ends
}
// Report current Y for auto-scroll
WidgetsBinding.instance.addPostFrameCallback((_) {
if (onCurrentLevelPositionResolved != null &&
currentIndex >= 0 &&
currentIndex < nodes.length) {
final clamped = (startOffsetOnPath + currentIndex * nodeSpacing)
.clamp(0, totalLen - eps);
final tan = metric.getTangentForOffset(clamped.toDouble())!;
onCurrentLevelPositionResolved!(tan.position.dy);
}
});
// Optional finish flag at last level position
if (showFinishAtEnd && lastNodePosition != null) {
nodes.add(Positioned(
left: lastNodePosition.dx - 18,
top: lastNodePosition.dy - 60,
child: const Icon(Icons.flag, color: Colors.red, size: 36),
));
}
return Stack(
clipBehavior: Clip.none,
children: [
// Cute background bits (optional)
Positioned.fill(child: CustomPaint(painter: DecorationPainter())),
// Sandy road
Positioned.fill(child: CustomPaint(painter: SandPathPainter(path))),
// Bubbles
...nodes,
],
);
});
}
/// Creates a circular/spiral path that goes in circles while progressing downward
Path _buildCircularPath(Size size, double verticalStep) {
final path = Path();
final centerX = size.width * 0.5;
final baseRadius = size.width * 0.32; // radius of the circular motion
double y = 100;
// Start at top center
path.moveTo(centerX, y);
// Create circular loops going downward
while (y < size.height - 100) {
// Create a full circle using cubic bezier curves (4 curves make a circle)
final startY = y;
// Right curve (0° to 90°)
path.cubicTo(
centerX + baseRadius * 0.55, startY,
centerX + baseRadius, startY + verticalStep * 0.25 - baseRadius * 0.55,
centerX + baseRadius, startY + verticalStep * 0.25,
);
// Bottom curve (90° to 180°)
path.cubicTo(
centerX + baseRadius, startY + verticalStep * 0.25 + baseRadius * 0.55,
centerX + baseRadius * 0.55, startY + verticalStep * 0.5,
centerX, startY + verticalStep * 0.5,
);
// Left curve (180° to 270°)
path.cubicTo(
centerX - baseRadius * 0.55, startY + verticalStep * 0.5,
centerX - baseRadius, startY + verticalStep * 0.75 - baseRadius * 0.55,
centerX - baseRadius, startY + verticalStep * 0.75,
);
// Top curve (270° to 360°)
path.cubicTo(
centerX - baseRadius, startY + verticalStep * 0.75 + baseRadius * 0.55,
centerX - baseRadius * 0.55, startY + verticalStep,
centerX, startY + verticalStep,
);
y += verticalStep;
}
return path;
}
}
/// Painter for the sand road with subtle depth.
class SandPathPainter extends CustomPainter {
final Path path;
SandPathPainter(this.path);
@override
void paint(Canvas canvas, Size size) {
// Glow/soft highlight
final glow = Paint()
..color = const Color(0x26FFFFFF)
..style = PaintingStyle.stroke
..strokeWidth = 84
..strokeCap = StrokeCap.round
..maskFilter = const MaskFilter.blur(BlurStyle.normal, 10);
canvas.drawPath(path, glow);
// Main sand
final sand = Paint()
..color = const Color(0xFFFFD18C)
..style = PaintingStyle.stroke
..strokeWidth = 64
..strokeCap = StrokeCap.round
..strokeJoin = StrokeJoin.round;
canvas.drawPath(path, sand);
// Inner shade for depth
final inner = Paint()
..color = const Color(0xFFEAB66F)
..style = PaintingStyle.stroke
..strokeWidth = 36
..strokeCap = StrokeCap.round;
canvas.drawPath(path, inner);
}
@override
bool shouldRepaint(covariant SandPathPainter oldDelegate) =>
oldDelegate.path != path;
}
/// Simple decorative painter (palms/hills placeholders).
class DecorationPainter extends CustomPainter {
@override
void paint(Canvas canvas, Size size) {
final palm = Paint()..color = const Color(0xFF66A060);
final hill = Paint()..color = const Color(0xFFFFE1A8).withOpacity(.35);
for (double y = 160; y < size.height; y += 260) {
canvas.drawCircle(Offset(size.width * 0.18, y), 10, palm);
canvas.drawCircle(Offset(size.width * 0.82, y + 70), 10, palm);
canvas.drawRRect(
RRect.fromRectAndRadius(
Rect.fromCenter(
center: Offset(size.width * 0.5, y + 120),
width: 140,
height: 60,
),
const Radius.circular(30),
),
hill,
);
}
}
@override
bool shouldRepaint(covariant CustomPainter oldDelegate) => false;
}
class LevelNode extends StatelessWidget {
final int level;
final bool isCompleted;
final bool isCurrent;
final bool isLocked;
final VoidCallback? onTap;
const LevelNode({
super.key,
required this.level,
required this.isCompleted,
required this.isCurrent,
required this.isLocked,
this.onTap,
});
@override
Widget build(BuildContext context) {
return GestureDetector(
onTap: isLocked ? null : onTap,
child: Container(
width: 56,
height: 56,
decoration: BoxDecoration(
shape: BoxShape.circle,
color: Colors.white,
border: Border.all(
color: isCurrent ? Colors.orange : Colors.white,
width: 4,
),
boxShadow: [
BoxShadow(
color: Colors.black.withOpacity(0.18),
blurRadius: 8,
offset: const Offset(0, 2),
),
],
),
child: Center(child: _inner()),
),
);
}
Widget _inner() {
if (isCompleted) {
return const Icon(Icons.check_circle, color: Colors.green, size: 28);
}
if (isLocked) {
return const Icon(Icons.lock, color: Colors.grey, size: 22);
}
if (isCurrent) {
return Container(
width: 44,
height: 44,
decoration: BoxDecoration(
shape: BoxShape.circle,
gradient: LinearGradient(
colors: [Colors.orange.shade300, Colors.orange.shade700],
begin: Alignment.topLeft,
end: Alignment.bottomRight,
),
),
child: const Icon(Icons.play_arrow, color: Colors.white),
);
}
return Text(
'$level',
style: const TextStyle(
fontSize: 18, fontWeight: FontWeight.bold, color: Colors.orange),
);
}
}