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trainhub-flutter/lib/presentation/settings/settings_page.dart
Kazimierz Ciołek 0c9eb8878d
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Refactoring
2026-02-23 10:02:23 -05:00

698 lines
21 KiB
Dart

import 'package:auto_route/auto_route.dart';
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:google_fonts/google_fonts.dart';
import 'package:trainhub_flutter/core/constants/ui_constants.dart';
import 'package:trainhub_flutter/core/theme/app_colors.dart';
import 'package:trainhub_flutter/core/router/app_router.dart';
import 'package:trainhub_flutter/presentation/settings/ai_model_settings_controller.dart';
import 'package:trainhub_flutter/presentation/settings/ai_model_settings_state.dart';
@RoutePage()
class SettingsPage extends ConsumerWidget {
const SettingsPage({super.key});
@override
Widget build(BuildContext context, WidgetRef ref) {
final modelState = ref.watch(aiModelSettingsControllerProvider);
final controller =
ref.read(aiModelSettingsControllerProvider.notifier);
return Scaffold(
backgroundColor: AppColors.surface,
body: Column(
children: [
// ── Top bar ──────────────────────────────────────────────────────
_TopBar(onBack: () => context.router.maybePop()),
// ── Scrollable content ──────────────────────────────────────────
Expanded(
child: SingleChildScrollView(
padding: const EdgeInsets.all(UIConstants.pagePadding),
child: Center(
child: ConstrainedBox(
constraints: const BoxConstraints(maxWidth: 680),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Page title
Text(
'Settings',
style: GoogleFonts.inter(
fontSize: 22,
fontWeight: FontWeight.w700,
color: AppColors.textPrimary,
letterSpacing: -0.3,
),
),
const SizedBox(height: UIConstants.spacing32),
// AI Models section
_AiModelsSection(
modelState: modelState,
onDownload: controller.downloadAll,
onValidate: controller.validateModels,
),
const SizedBox(height: UIConstants.spacing32),
// Knowledge Base section
_KnowledgeBaseSection(
onTap: () => context.router
.push(const KnowledgeBaseRoute()),
),
],
),
),
),
),
),
],
),
);
}
}
// =============================================================================
// Top bar
// =============================================================================
class _TopBar extends StatelessWidget {
const _TopBar({required this.onBack});
final VoidCallback onBack;
@override
Widget build(BuildContext context) {
return Container(
height: 52,
padding: const EdgeInsets.symmetric(horizontal: UIConstants.spacing16),
decoration: const BoxDecoration(
color: AppColors.surfaceContainer,
border: Border(bottom: BorderSide(color: AppColors.border)),
),
child: Row(
children: [
_IconBtn(
icon: Icons.arrow_back_rounded,
tooltip: 'Go back',
onTap: onBack,
),
const SizedBox(width: UIConstants.spacing12),
Text(
'Settings',
style: GoogleFonts.inter(
fontSize: 14,
fontWeight: FontWeight.w600,
color: AppColors.textPrimary,
),
),
],
),
);
}
}
// =============================================================================
// AI Models section
// =============================================================================
class _AiModelsSection extends StatelessWidget {
const _AiModelsSection({
required this.modelState,
required this.onDownload,
required this.onValidate,
});
final AiModelSettingsState modelState;
final VoidCallback onDownload;
final VoidCallback onValidate;
@override
Widget build(BuildContext context) {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Section heading
Text(
'AI Models',
style: GoogleFonts.inter(
fontSize: 13,
fontWeight: FontWeight.w600,
color: AppColors.textMuted,
letterSpacing: 0.8,
),
),
const SizedBox(height: UIConstants.spacing12),
// Card
Container(
decoration: BoxDecoration(
color: AppColors.surfaceContainer,
borderRadius: BorderRadius.circular(UIConstants.borderRadius),
border: Border.all(color: AppColors.border),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Status rows
const _ModelRow(
name: 'llama-server binary',
description: 'llama.cpp inference server (build b8130)',
icon: Icons.terminal_rounded,
),
const Divider(height: 1, color: AppColors.border),
const _ModelRow(
name: 'Nomic Embed v1.5 Q4_K_M',
description: 'Text embedding model (~300 MB)',
icon: Icons.hub_outlined,
),
const Divider(height: 1, color: AppColors.border),
const _ModelRow(
name: 'Qwen 2.5 7B Instruct Q4_K_M',
description: 'Chat / reasoning model (~4.7 GB)',
icon: Icons.psychology_outlined,
),
// Divider before status / actions
const Divider(height: 1, color: AppColors.border),
Padding(
padding: const EdgeInsets.all(UIConstants.spacing16),
child: _StatusAndActions(
modelState: modelState,
onDownload: onDownload,
onValidate: onValidate,
),
),
],
),
),
],
);
}
}
// =============================================================================
// Single model info row
// =============================================================================
class _ModelRow extends StatelessWidget {
const _ModelRow({
required this.name,
required this.description,
required this.icon,
});
final String name;
final String description;
final IconData icon;
@override
Widget build(BuildContext context) {
return Padding(
padding: const EdgeInsets.symmetric(
horizontal: UIConstants.spacing16,
vertical: UIConstants.spacing12,
),
child: Row(
children: [
Container(
width: 36,
height: 36,
decoration: BoxDecoration(
color: AppColors.surfaceContainerHigh,
borderRadius: BorderRadius.circular(8),
),
child: Icon(icon, size: 16, color: AppColors.textSecondary),
),
const SizedBox(width: UIConstants.spacing12),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
name,
style: GoogleFonts.inter(
fontSize: 13,
fontWeight: FontWeight.w500,
color: AppColors.textPrimary,
),
),
const SizedBox(height: 2),
Text(
description,
style: GoogleFonts.inter(
fontSize: 12,
color: AppColors.textMuted,
),
),
],
),
),
],
),
);
}
}
// =============================================================================
// Status badge + action buttons
// =============================================================================
class _StatusAndActions extends StatelessWidget {
const _StatusAndActions({
required this.modelState,
required this.onDownload,
required this.onValidate,
});
final AiModelSettingsState modelState;
final VoidCallback onDownload;
final VoidCallback onValidate;
@override
Widget build(BuildContext context) {
// While downloading, show progress UI
if (modelState.isDownloading) {
return _DownloadingView(modelState: modelState);
}
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Status badge
_StatusBadge(validated: modelState.areModelsValidated),
if (modelState.errorMessage != null) ...[
const SizedBox(height: UIConstants.spacing12),
_ErrorRow(message: modelState.errorMessage!),
],
const SizedBox(height: UIConstants.spacing16),
// Action buttons
if (!modelState.areModelsValidated)
_ActionButton(
label: 'Download AI Models (~5 GB)',
icon: Icons.download_rounded,
color: AppColors.accent,
textColor: AppColors.zinc950,
onPressed: onDownload,
)
else
_ActionButton(
label: 'Re-validate Files',
icon: Icons.verified_outlined,
color: Colors.transparent,
textColor: AppColors.textSecondary,
borderColor: AppColors.border,
onPressed: onValidate,
),
],
);
}
}
class _StatusBadge extends StatelessWidget {
const _StatusBadge({required this.validated});
final bool validated;
@override
Widget build(BuildContext context) {
final color = validated ? AppColors.success : AppColors.textMuted;
final bgColor =
validated ? AppColors.successMuted : AppColors.surfaceContainerHigh;
final label = validated ? 'Ready' : 'Missing';
final icon =
validated ? Icons.check_circle_outline : Icons.radio_button_unchecked;
return Row(
mainAxisSize: MainAxisSize.min,
children: [
Text(
'Status: ',
style: GoogleFonts.inter(
fontSize: 13,
color: AppColors.textSecondary,
),
),
const SizedBox(width: UIConstants.spacing4),
Container(
padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 4),
decoration: BoxDecoration(
color: bgColor,
borderRadius: BorderRadius.circular(20),
),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
Icon(icon, size: 13, color: color),
const SizedBox(width: 5),
Text(
label,
style: GoogleFonts.inter(
fontSize: 12,
fontWeight: FontWeight.w600,
color: color,
),
),
],
),
),
],
);
}
}
class _DownloadingView extends StatelessWidget {
const _DownloadingView({required this.modelState});
final AiModelSettingsState modelState;
@override
Widget build(BuildContext context) {
final pct = (modelState.progress * 100).toStringAsFixed(1);
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Expanded(
child: Text(
modelState.currentTask,
style: GoogleFonts.inter(
fontSize: 13,
color: AppColors.textSecondary,
),
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
),
Text(
'$pct %',
style: GoogleFonts.inter(
fontSize: 13,
fontWeight: FontWeight.w600,
color: AppColors.accent,
),
),
],
),
const SizedBox(height: UIConstants.spacing8),
ClipRRect(
borderRadius: BorderRadius.circular(4),
child: LinearProgressIndicator(
value: modelState.progress,
minHeight: 6,
backgroundColor: AppColors.zinc800,
valueColor:
const AlwaysStoppedAnimation<Color>(AppColors.accent),
),
),
if (modelState.errorMessage != null) ...[
const SizedBox(height: UIConstants.spacing12),
_ErrorRow(message: modelState.errorMessage!),
],
],
);
}
}
class _ErrorRow extends StatelessWidget {
const _ErrorRow({required this.message});
final String message;
@override
Widget build(BuildContext context) {
return Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Icon(
Icons.error_outline_rounded,
color: AppColors.destructive,
size: 14,
),
const SizedBox(width: UIConstants.spacing8),
Expanded(
child: Text(
message,
style: GoogleFonts.inter(
fontSize: 12,
color: AppColors.destructive,
height: 1.4,
),
),
),
],
);
}
}
class _ActionButton extends StatefulWidget {
const _ActionButton({
required this.label,
required this.icon,
required this.color,
required this.textColor,
required this.onPressed,
this.borderColor,
});
final String label;
final IconData icon;
final Color color;
final Color textColor;
final Color? borderColor;
final VoidCallback onPressed;
@override
State<_ActionButton> createState() => _ActionButtonState();
}
class _ActionButtonState extends State<_ActionButton> {
bool _hovered = false;
@override
Widget build(BuildContext context) {
final hasBorder = widget.borderColor != null;
return MouseRegion(
onEnter: (_) => setState(() => _hovered = true),
onExit: (_) => setState(() => _hovered = false),
child: AnimatedContainer(
duration: UIConstants.animationDuration,
height: 40,
decoration: BoxDecoration(
color: hasBorder
? (_hovered ? AppColors.zinc800 : Colors.transparent)
: (_hovered
? widget.color.withValues(alpha: 0.85)
: widget.color),
borderRadius: BorderRadius.circular(UIConstants.smallBorderRadius),
border: hasBorder
? Border.all(color: widget.borderColor!)
: null,
),
child: Material(
color: Colors.transparent,
child: InkWell(
borderRadius:
BorderRadius.circular(UIConstants.smallBorderRadius),
onTap: widget.onPressed,
child: Padding(
padding: const EdgeInsets.symmetric(
horizontal: UIConstants.spacing16,
),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
Icon(widget.icon, size: 16, color: widget.textColor),
const SizedBox(width: UIConstants.spacing8),
Text(
widget.label,
style: GoogleFonts.inter(
fontSize: 13,
fontWeight: FontWeight.w600,
color: widget.textColor,
),
),
],
),
),
),
),
),
);
}
}
// =============================================================================
// Generic icon button
// =============================================================================
class _IconBtn extends StatefulWidget {
const _IconBtn({
required this.icon,
required this.onTap,
this.tooltip = '',
});
final IconData icon;
final VoidCallback onTap;
final String tooltip;
@override
State<_IconBtn> createState() => _IconBtnState();
}
class _IconBtnState extends State<_IconBtn> {
bool _hovered = false;
@override
Widget build(BuildContext context) {
return Tooltip(
message: widget.tooltip,
child: MouseRegion(
onEnter: (_) => setState(() => _hovered = true),
onExit: (_) => setState(() => _hovered = false),
child: GestureDetector(
onTap: widget.onTap,
child: AnimatedContainer(
duration: UIConstants.animationDuration,
width: 32,
height: 32,
decoration: BoxDecoration(
color: _hovered ? AppColors.zinc800 : Colors.transparent,
borderRadius: BorderRadius.circular(6),
),
child: Icon(
widget.icon,
size: 18,
color:
_hovered ? AppColors.textPrimary : AppColors.textSecondary,
),
),
),
),
);
}
}
// =============================================================================
// Knowledge Base navigation section
// =============================================================================
class _KnowledgeBaseSection extends StatelessWidget {
const _KnowledgeBaseSection({required this.onTap});
final VoidCallback onTap;
@override
Widget build(BuildContext context) {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'Knowledge Base',
style: GoogleFonts.inter(
fontSize: 13,
fontWeight: FontWeight.w600,
color: AppColors.textMuted,
letterSpacing: 0.8,
),
),
const SizedBox(height: UIConstants.spacing12),
_KnowledgeBaseCard(onTap: onTap),
],
);
}
}
class _KnowledgeBaseCard extends StatefulWidget {
const _KnowledgeBaseCard({required this.onTap});
final VoidCallback onTap;
@override
State<_KnowledgeBaseCard> createState() => _KnowledgeBaseCardState();
}
class _KnowledgeBaseCardState extends State<_KnowledgeBaseCard> {
bool _hovered = false;
@override
Widget build(BuildContext context) {
return MouseRegion(
onEnter: (_) => setState(() => _hovered = true),
onExit: (_) => setState(() => _hovered = false),
child: GestureDetector(
onTap: widget.onTap,
child: AnimatedContainer(
duration: UIConstants.animationDuration,
decoration: BoxDecoration(
color: _hovered
? AppColors.surfaceContainerHigh
: AppColors.surfaceContainer,
borderRadius: BorderRadius.circular(UIConstants.borderRadius),
border: Border.all(
color: _hovered
? AppColors.accent.withValues(alpha: 0.3)
: AppColors.border,
),
),
padding: const EdgeInsets.symmetric(
horizontal: UIConstants.spacing16,
vertical: UIConstants.spacing16,
),
child: Row(
children: [
Container(
width: 40,
height: 40,
decoration: BoxDecoration(
color: AppColors.accentMuted,
borderRadius: BorderRadius.circular(10),
),
child: const Icon(
Icons.hub_outlined,
color: AppColors.accent,
size: 20,
),
),
const SizedBox(width: UIConstants.spacing16),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'Manage Knowledge Base',
style: GoogleFonts.inter(
fontSize: 14,
fontWeight: FontWeight.w500,
color: AppColors.textPrimary,
),
),
const SizedBox(height: 3),
Text(
'Add trainer notes to give the AI context-aware answers.',
style: GoogleFonts.inter(
fontSize: 12,
color: AppColors.textMuted,
),
),
],
),
),
Icon(
Icons.chevron_right_rounded,
color:
_hovered ? AppColors.accent : AppColors.textMuted,
size: 20,
),
],
),
),
),
);
}
}