247 lines
10 KiB
Dart
247 lines
10 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import '../providers/sake_list_provider.dart';
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import '../providers/menu_providers.dart';
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import '../providers/display_mode_provider.dart';
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import '../providers/filter_providers.dart';
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import '../models/sake_item.dart';
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import '../widgets/home/home_empty_state.dart';
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import '../widgets/home/sake_no_match_state.dart';
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import '../widgets/home/sake_list_view.dart';
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import '../widgets/home/sake_grid_view.dart';
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import '../widgets/step_indicator.dart';
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import '../theme/app_colors.dart';
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import 'menu_pricing_screen.dart';
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import '../widgets/sake_search_delegate.dart';
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import '../widgets/prefecture_filter_sheet.dart';
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import '../widgets/common/error_retry_widget.dart';
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class MenuCreationScreen extends ConsumerWidget {
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const MenuCreationScreen({super.key});
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final appColors = Theme.of(context).extension<AppColors>()!;
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// Force MenuMode provider for compatibility with child widgets (like SakeListItem)
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// We should probably just pass `isMenuMode: true` to children, but SakeFilterChips might rely on it?
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// SakeFilterChips doesn't use isMenuMode.
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// SakeListItem/GridItem take `isMenuMode` as param.
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// So we don't necessarily need to set the global provider, but it's safer if other widgets rely on it.
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// Actually, `HomeScreen` toggles it. Here we are always in "Creation Mode".
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final displayMode = ref.watch(displayModeProvider);
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final sakeListAsync = ref.watch(sakeListProvider);
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final showSelectedOnly = ref.watch(menuShowSelectedOnlyProvider);
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final selectedPrefecture = ref.watch(sakeFilterPrefectureProvider);
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return Scaffold(
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appBar: AppBar(
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title: const StepIndicator(currentStep: 1, totalSteps: 3),
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centerTitle: true,
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automaticallyImplyLeading: false, // ヘッダー戻るボタンを無効化
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actions: [
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// Search (最も使用頻度が高い)
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IconButton(
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icon: const Icon(Icons.search),
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onPressed: () => showSearch(context: context, delegate: SakeSearchDelegate(ref)),
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tooltip: '検索',
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),
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// Prefecture Filter
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IconButton(
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icon: const Icon(Icons.location_on),
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onPressed: () => PrefectureFilterSheet.show(context),
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tooltip: '都道府県で絞り込み',
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color: selectedPrefecture != null ? appColors.brandPrimary : null,
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),
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// Show Selected Only Toggle (フィルターアイコンに変更)
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IconButton(
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icon: Icon(showSelectedOnly ? Icons.filter_list : Icons.filter_list_off),
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color: showSelectedOnly ? appColors.brandPrimary : null,
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tooltip: showSelectedOnly ? '全て表示' : '選択中のみ表示',
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onPressed: () {
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if (!showSelectedOnly) {
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// Initialize order when switching to "Selected Only"
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final selected = ref.read(selectedMenuSakeIdsProvider);
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if (selected.isNotEmpty) {
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ref.read(menuOrderedIdsProvider.notifier).initialize(selected.toList());
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}
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}
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ref.read(menuShowSelectedOnlyProvider.notifier).toggle();
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},
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),
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],
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bottom: PreferredSize(
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preferredSize: const Size.fromHeight(2),
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child: LinearProgressIndicator(
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value: 1 / 3, // Step 1 of 3 = 33%
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backgroundColor: appColors.surfaceSubtle,
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valueColor: AlwaysStoppedAnimation<Color>(appColors.brandPrimary),
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minHeight: 2,
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),
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),
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),
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body: Column(
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children: [
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// Guide Banner (条件付き表示: 未選択時のみ)
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() {
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final selectedIds = ref.watch(selectedMenuSakeIdsProvider);
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if (selectedIds.isEmpty && !showSelectedOnly) {
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return Container(
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: appColors.brandAccent.withValues(alpha: 0.1),
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border: Border(
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bottom: BorderSide(color: appColors.brandAccent.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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Icon(Icons.touch_app, size: 20, color: appColors.brandAccent),
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const SizedBox(width: 8),
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Expanded(
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child: Text(
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'カードをタップして選択',
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style: TextStyle(
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color: appColors.brandPrimary,
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fontWeight: FontWeight.bold,
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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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return const SizedBox.shrink();
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}(),
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// Main Content
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Expanded(
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child: sakeListAsync.when(
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data: (sakeList) {
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List<SakeItem> displayList;
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if (showSelectedOnly) {
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final orderedIds = ref.watch(menuOrderedIdsProvider);
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final sakeMap = {for (var s in sakeList) s.id: s};
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displayList = orderedIds
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.map((id) => sakeMap[id])
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.where((s) => s != null)
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.cast<SakeItem>()
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.toList();
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} else {
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displayList = sakeList;
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}
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// Phase D6: フィルタリング後のリストで空状態判定
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final filteredAsync = ref.watch(filteredByModeProvider);
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final isListActuallyEmpty = filteredAsync.asData?.value.isEmpty ?? true;
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// Empty State Logic
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if (displayList.isEmpty) {
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if (showSelectedOnly) {
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(Icons.checklist, size: 60, color: appColors.iconSubtle),
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const SizedBox(height: 16),
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const Text('お品書きに追加されたお酒はありません', style: TextStyle(fontWeight: FontWeight.bold)),
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const SizedBox(height: 8),
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Text('「全て表示」に切り替えて\n掲載したいお酒を選択してください', textAlign: TextAlign.center, style: TextStyle(color: appColors.textSecondary)),
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],
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),
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);
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} else if (isListActuallyEmpty) {
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return const HomeEmptyState(isMenuMode: true);
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} else {
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return const SakeNoMatchState();
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}
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}
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return displayMode == 'list'
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? SakeListView(sakeList: displayList, isMenuMode: true, enableReorder: false)
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: SakeGridView(sakeList: displayList, isMenuMode: true, enableReorder: false);
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},
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loading: () => const Center(child: CircularProgressIndicator()),
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error: (e, st) => ErrorRetryWidget(
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message: 'お品書き作成の読み込みに失敗しました',
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details: e.toString(),
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onRetry: () => ref.refresh(sakeListProvider),
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),
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),
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),
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],
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),
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bottomNavigationBar: SafeArea(
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child: Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: Theme.of(context).cardColor,
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boxShadow: [
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BoxShadow(
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color: Colors.black.withValues(alpha: 0.05),
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blurRadius: 8,
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offset: const Offset(0, -2),
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),
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],
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),
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child: Row(
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children: [
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// 戻るボタン (左端)
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SizedBox(
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width: 56,
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height: 56,
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child: OutlinedButton(
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onPressed: () => Navigator.of(context).pop(),
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style: OutlinedButton.styleFrom(
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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side: BorderSide(color: appColors.divider),
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padding: EdgeInsets.zero,
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),
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child: Icon(Icons.arrow_back, color: appColors.iconDefault),
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),
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),
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const SizedBox(width: 12),
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// 次へボタン (右側いっぱいに広がる)
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Expanded(
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child: SizedBox(
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height: 56,
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child: ElevatedButton.icon(
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onPressed: () {
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final selectedIds = ref.read(selectedMenuSakeIdsProvider);
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if (selectedIds.isEmpty) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('お酒を選択してください'))
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);
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return;
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}
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Navigator.push(
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context,
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MaterialPageRoute(builder: (context) => const MenuPricingScreen()),
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);
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},
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style: ElevatedButton.styleFrom(
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backgroundColor: appColors.brandPrimary,
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foregroundColor: appColors.surfaceSubtle,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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),
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icon: const Icon(Icons.arrow_forward),
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label: const Text('価格設定', style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold)),
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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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