This commit is contained in:
535
lib/presentation/welcome/welcome_screen.dart
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535
lib/presentation/welcome/welcome_screen.dart
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@@ -0,0 +1,535 @@
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import 'package:auto_route/auto_route.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:google_fonts/google_fonts.dart';
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import 'package:trainhub_flutter/core/constants/ui_constants.dart';
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import 'package:trainhub_flutter/core/router/app_router.dart';
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import 'package:trainhub_flutter/core/theme/app_colors.dart';
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import 'package:trainhub_flutter/presentation/settings/ai_model_settings_controller.dart';
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import 'package:trainhub_flutter/presentation/settings/ai_model_settings_state.dart';
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@RoutePage()
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class WelcomeScreen extends ConsumerStatefulWidget {
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const WelcomeScreen({super.key});
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@override
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ConsumerState<WelcomeScreen> createState() => _WelcomeScreenState();
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}
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class _WelcomeScreenState extends ConsumerState<WelcomeScreen> {
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bool _hasNavigated = false;
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@override
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void initState() {
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super.initState();
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// Validate after the first frame so the provider is ready
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WidgetsBinding.instance.addPostFrameCallback((_) {
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ref
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.read(aiModelSettingsControllerProvider.notifier)
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.validateModels()
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.then((_) {
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if (!mounted) return;
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final validated = ref
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.read(aiModelSettingsControllerProvider)
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.areModelsValidated;
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if (validated) _navigateToApp();
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});
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});
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}
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void _navigateToApp() {
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if (_hasNavigated) return;
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_hasNavigated = true;
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context.router.replace(const ShellRoute());
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}
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void _skip() => _navigateToApp();
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void _startDownload() {
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ref
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.read(aiModelSettingsControllerProvider.notifier)
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.downloadAll();
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}
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@override
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Widget build(BuildContext context) {
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final modelState = ref.watch(aiModelSettingsControllerProvider);
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// Navigate once download completes and models are validated
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ref.listen<AiModelSettingsState>(aiModelSettingsControllerProvider,
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(prev, next) {
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if (!_hasNavigated &&
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next.areModelsValidated &&
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!next.isDownloading) {
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_navigateToApp();
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}
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});
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return Scaffold(
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backgroundColor: AppColors.surface,
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body: Center(
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child: SizedBox(
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width: 560,
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child: AnimatedSwitcher(
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duration: UIConstants.animationDuration,
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child: modelState.isDownloading
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? _DownloadProgress(modelState: modelState)
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: _InitialPrompt(
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onDownload: _startDownload,
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onSkip: _skip,
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),
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),
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),
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),
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);
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}
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}
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// =============================================================================
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// Initial prompt card — shown when models are missing
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// =============================================================================
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class _InitialPrompt extends StatelessWidget {
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const _InitialPrompt({
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required this.onDownload,
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required this.onSkip,
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});
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final VoidCallback onDownload;
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final VoidCallback onSkip;
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@override
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Widget build(BuildContext context) {
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return Column(
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mainAxisAlignment: MainAxisAlignment.center,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// Logo + wordmark
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Row(
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children: [
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Container(
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width: 48,
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height: 48,
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decoration: BoxDecoration(
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color: AppColors.accentMuted,
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borderRadius: BorderRadius.circular(12),
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),
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child: const Icon(
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Icons.fitness_center,
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color: AppColors.accent,
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size: 24,
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),
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),
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const SizedBox(width: UIConstants.spacing12),
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Text(
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'TrainHub',
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style: GoogleFonts.inter(
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fontSize: 26,
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fontWeight: FontWeight.w700,
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color: AppColors.textPrimary,
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letterSpacing: -0.5,
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),
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),
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],
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),
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const SizedBox(height: UIConstants.spacing32),
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// Headline
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Text(
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'AI-powered coaching,\nright on your device.',
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style: GoogleFonts.inter(
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fontSize: 28,
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fontWeight: FontWeight.w700,
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color: AppColors.textPrimary,
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height: 1.25,
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letterSpacing: -0.5,
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),
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),
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const SizedBox(height: UIConstants.spacing16),
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Text(
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'TrainHub uses on-device AI models to give you intelligent '
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'training advice, exercise analysis, and personalised chat — '
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'with zero data sent to the cloud.',
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style: GoogleFonts.inter(
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fontSize: 14,
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color: AppColors.textSecondary,
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height: 1.6,
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),
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),
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const SizedBox(height: UIConstants.spacing24),
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// Feature list
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const _FeatureRow(
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icon: Icons.lock_outline_rounded,
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label: '100 % local — your data never leaves this machine.',
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),
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const SizedBox(height: UIConstants.spacing12),
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const _FeatureRow(
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icon: Icons.psychology_outlined,
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label: 'Qwen 2.5 7B chat model for training advice.',
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),
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const SizedBox(height: UIConstants.spacing12),
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const _FeatureRow(
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icon: Icons.search_rounded,
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label: 'Nomic embedding model for semantic exercise search.',
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),
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const SizedBox(height: UIConstants.spacing32),
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// Download size notice
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Container(
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padding: const EdgeInsets.symmetric(
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horizontal: UIConstants.spacing16,
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vertical: UIConstants.spacing12,
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),
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decoration: BoxDecoration(
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color: AppColors.accentMuted,
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borderRadius: BorderRadius.circular(UIConstants.smallBorderRadius),
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border: Border.all(
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color: AppColors.accent.withValues(alpha: 0.3),
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),
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),
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child: Row(
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children: [
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const Icon(
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Icons.download_outlined,
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color: AppColors.accent,
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size: 18,
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),
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const SizedBox(width: UIConstants.spacing12),
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Expanded(
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child: Text(
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'The download is ~5 GB and only needs to happen once. '
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'You can skip now and download later from Settings.',
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style: GoogleFonts.inter(
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fontSize: 13,
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color: AppColors.accent,
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height: 1.5,
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),
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),
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),
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],
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),
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),
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const SizedBox(height: UIConstants.spacing32),
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// Action buttons
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Row(
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children: [
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Expanded(
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child: _PrimaryButton(
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label: 'Download Now',
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icon: Icons.download_rounded,
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onPressed: onDownload,
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),
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),
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const SizedBox(width: UIConstants.spacing12),
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Expanded(
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child: _SecondaryButton(
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label: 'Skip for Now',
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onPressed: onSkip,
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),
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),
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],
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),
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],
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);
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}
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}
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// =============================================================================
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// Download progress card
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// =============================================================================
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class _DownloadProgress extends StatelessWidget {
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const _DownloadProgress({required this.modelState});
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final AiModelSettingsState modelState;
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@override
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Widget build(BuildContext context) {
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final pct = (modelState.progress * 100).toStringAsFixed(1);
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return Column(
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mainAxisAlignment: MainAxisAlignment.center,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// Animated download icon
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Container(
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width: 56,
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height: 56,
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decoration: BoxDecoration(
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color: AppColors.accentMuted,
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borderRadius: BorderRadius.circular(14),
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),
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child: const Icon(
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Icons.download_rounded,
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color: AppColors.accent,
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size: 28,
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),
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),
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const SizedBox(height: UIConstants.spacing24),
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Text(
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'Setting up AI models…',
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style: GoogleFonts.inter(
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fontSize: 22,
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fontWeight: FontWeight.w700,
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color: AppColors.textPrimary,
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letterSpacing: -0.3,
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),
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),
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const SizedBox(height: UIConstants.spacing8),
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Text(
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'Please keep the app open. This only happens once.',
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style: GoogleFonts.inter(
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fontSize: 13,
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color: AppColors.textSecondary,
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),
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),
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const SizedBox(height: UIConstants.spacing32),
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// Progress bar
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ClipRRect(
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borderRadius: BorderRadius.circular(4),
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child: LinearProgressIndicator(
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value: modelState.progress,
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minHeight: 6,
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backgroundColor: AppColors.zinc800,
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valueColor:
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const AlwaysStoppedAnimation<Color>(AppColors.accent),
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),
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),
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const SizedBox(height: UIConstants.spacing12),
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Expanded(
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child: Text(
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modelState.currentTask,
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style: GoogleFonts.inter(
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fontSize: 13,
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color: AppColors.textSecondary,
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),
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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),
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),
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Text(
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'$pct %',
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style: GoogleFonts.inter(
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fontSize: 13,
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fontWeight: FontWeight.w600,
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color: AppColors.accent,
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),
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),
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],
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),
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if (modelState.errorMessage != null) ...[
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const SizedBox(height: UIConstants.spacing16),
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_ErrorBanner(message: modelState.errorMessage!),
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],
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],
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);
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}
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}
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// =============================================================================
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// Small reusable widgets
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// =============================================================================
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class _FeatureRow extends StatelessWidget {
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const _FeatureRow({required this.icon, required this.label});
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final IconData icon;
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final String label;
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@override
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Widget build(BuildContext context) {
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return Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Container(
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width: 28,
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height: 28,
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decoration: BoxDecoration(
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color: AppColors.surfaceContainerHigh,
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borderRadius: BorderRadius.circular(6),
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),
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child: Icon(icon, size: 14, color: AppColors.accent),
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),
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const SizedBox(width: UIConstants.spacing12),
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Expanded(
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child: Text(
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label,
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style: GoogleFonts.inter(
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fontSize: 13,
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color: AppColors.textSecondary,
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height: 1.5,
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),
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),
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),
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],
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);
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}
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}
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class _PrimaryButton extends StatefulWidget {
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const _PrimaryButton({
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required this.label,
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required this.icon,
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required this.onPressed,
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});
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final String label;
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final IconData icon;
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final VoidCallback onPressed;
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@override
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State<_PrimaryButton> createState() => _PrimaryButtonState();
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}
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class _PrimaryButtonState extends State<_PrimaryButton> {
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bool _hovered = false;
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@override
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Widget build(BuildContext context) {
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return MouseRegion(
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onEnter: (_) => setState(() => _hovered = true),
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onExit: (_) => setState(() => _hovered = false),
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child: AnimatedContainer(
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duration: UIConstants.animationDuration,
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height: 44,
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decoration: BoxDecoration(
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color: _hovered
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? AppColors.accent.withValues(alpha: 0.85)
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: AppColors.accent,
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borderRadius: BorderRadius.circular(UIConstants.smallBorderRadius),
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),
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child: Material(
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color: Colors.transparent,
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child: InkWell(
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borderRadius:
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BorderRadius.circular(UIConstants.smallBorderRadius),
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onTap: widget.onPressed,
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child: Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(widget.icon, color: AppColors.zinc950, size: 16),
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const SizedBox(width: UIConstants.spacing8),
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Text(
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widget.label,
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style: GoogleFonts.inter(
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fontSize: 14,
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fontWeight: FontWeight.w600,
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color: AppColors.zinc950,
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),
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),
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],
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),
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),
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),
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),
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);
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}
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}
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class _SecondaryButton extends StatefulWidget {
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const _SecondaryButton({required this.label, required this.onPressed});
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final String label;
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final VoidCallback onPressed;
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@override
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State<_SecondaryButton> createState() => _SecondaryButtonState();
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}
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class _SecondaryButtonState extends State<_SecondaryButton> {
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bool _hovered = false;
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@override
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Widget build(BuildContext context) {
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return MouseRegion(
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onEnter: (_) => setState(() => _hovered = true),
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onExit: (_) => setState(() => _hovered = false),
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child: AnimatedContainer(
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duration: UIConstants.animationDuration,
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height: 44,
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decoration: BoxDecoration(
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color: _hovered ? AppColors.zinc800 : Colors.transparent,
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borderRadius: BorderRadius.circular(UIConstants.smallBorderRadius),
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border: Border.all(color: AppColors.border),
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),
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child: Material(
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color: Colors.transparent,
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child: InkWell(
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borderRadius:
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BorderRadius.circular(UIConstants.smallBorderRadius),
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onTap: widget.onPressed,
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child: Center(
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child: Text(
|
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widget.label,
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style: GoogleFonts.inter(
|
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fontSize: 14,
|
||||
fontWeight: FontWeight.w500,
|
||||
color: AppColors.textSecondary,
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||||
),
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||||
),
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||||
),
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||||
),
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||||
),
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||||
),
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||||
);
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||||
}
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||||
}
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class _ErrorBanner extends StatelessWidget {
|
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const _ErrorBanner({required this.message});
|
||||
|
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final String message;
|
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|
||||
@override
|
||||
Widget build(BuildContext context) {
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||||
return Container(
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||||
padding: const EdgeInsets.all(UIConstants.spacing12),
|
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decoration: BoxDecoration(
|
||||
color: AppColors.destructiveMuted,
|
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borderRadius: BorderRadius.circular(UIConstants.smallBorderRadius),
|
||||
border: Border.all(
|
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color: AppColors.destructive.withValues(alpha: 0.4),
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||||
),
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||||
),
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||||
child: Row(
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||||
crossAxisAlignment: CrossAxisAlignment.start,
|
||||
children: [
|
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const Icon(
|
||||
Icons.error_outline_rounded,
|
||||
color: AppColors.destructive,
|
||||
size: 16,
|
||||
),
|
||||
const SizedBox(width: UIConstants.spacing8),
|
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Expanded(
|
||||
child: Text(
|
||||
message,
|
||||
style: GoogleFonts.inter(
|
||||
fontSize: 12,
|
||||
color: AppColors.destructive,
|
||||
height: 1.5,
|
||||
),
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||||
),
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||||
),
|
||||
],
|
||||
),
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||||
);
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||||
}
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||||
}
|
||||
Reference in New Issue
Block a user