import 'package:flutter/material.dart';
import 'screens/estimate_screen.dart';
import 'screens/invoice_screen.dart';
import 'screens/order_screen.dart';
import 'screens/sales_return_screen.dart';
import 'screens/sales_screen.dart';
import 'screens/master/product_master_screen.dart';
import 'screens/master/customer_master_screen.dart';
import 'screens/master/supplier_master_screen.dart';
import 'screens/master/warehouse_master_screen.dart';
import 'screens/master/employee_master_screen.dart';
import 'screens/master/inventory_master_screen.dart';
void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: '販売アシスト1号 / 母艦『お局様』',
      debugShowCheckedModeBanner: false,
      theme: ThemeData(useMaterial3: true),
      home: const Dashboard(),
      // routes 設定
      routes: {
        '/M1. 商品マスタ': (context) => const ProductMasterScreen(),
        '/M2. 得意先マスタ': (context) => const CustomerMasterScreen(),
        '/M3. 仕入先マスタ': (context) => const SupplierMasterScreen(),
        '/M4. 倉庫マスタ': (context) => const WarehouseMasterScreen(),
        '/M5. 担当者マスタ': (context) => const EmployeeMasterScreen(),
        '/S1. 見積入力': (context) => const EstimateScreen(),
        '/S2. 請求書発行': (context) => const InvoiceScreen(),
        '/S3. 発注入力': (context) => const OrderScreen(),
        '/S4. 売上入力（レジ）': (context) => const SalesScreen(),
        '/S5. 売上返品入力': (context) => const SalesReturnScreen(),
      },
    );
  }
}

class Dashboard extends StatelessWidget {
  const Dashboard({super.key});

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: Text('販売アシスト1号')),
      body: ListView(
        padding: EdgeInsets.zero,
        children: [
          // マスタ管理モジュール一覧
          _buildModuleCard(context, 'M1. 商品マスタ', Icons.inbox, true),
          _buildModuleCard(context, 'M2. 得意先マスタ', Icons.person, true),
          _buildModuleCard(context, 'M3. 仕入先マスタ', Icons.card_membership, true),
          _buildModuleCard(context, 'M4. 倉庫マスタ', Icons.storage, true),
          _buildModuleCard(context, 'M5. 担当者マスタ', Icons.badge, true),
          _buildModuleCard(context, 'M6. 在庫管理', Icons.inventory_2, false),
          
          Divider(height: 20),
          
          // 販売管理モジュール一覧
          _buildModuleCard(context, 'S1. 見積入力', Icons.receipt_long, true),
          _buildModuleCard(context, 'S2. 請求書発行', Icons.money_off, true),
          _buildModuleCard(context, 'S3. 発注入力', Icons.shopping_cart, true),
          _buildModuleCard(context, 'S4. 売上入力（レジ）', Icons.point_of_sale, true),
          _buildModuleCard(context, 'S5. 売上返品入力', Icons.swap_horiz, true),
          
          SizedBox(height: 20),
        ],
      ),
    );
  }

  Widget _buildModuleCard(BuildContext context, String title, IconData icon, bool implemented) {
    return Card(
      margin: EdgeInsets.symmetric(horizontal: 16, vertical: 8),
      child: ListTile(
        leading: Icon(icon),
        title: Text(title),
        subtitle: Text(implemented ? '実装済み' : '未実装'),
        onTap: () => Navigator.pushNamed(context, '/$title'),
        onLongPress: () => ScaffoldMessenger.of(context).showSnackBar(
          const SnackBar(content: Text('長押し：モジュール詳細')),
        ),
      ),
    );
  }
}