kmobile/lib/features/service/screens/branch_locator_screen.dart

import 'package:flutter/material.dart';
import '../../../l10n/app_localizations.dart';

// Enum to define the type of location
enum LocationType { branch, atm }

class Location {
  final String name;
  final String? code; // Nullable for ATMs
  final String? ifsc; // Nullable for ATMs
  final String address;
  final LocationType type;

  Location({
    required this.name,
    this.code,
    this.ifsc,
    required this.address,
    required this.type,
  });
}

class BranchLocatorScreen extends StatefulWidget {
  const BranchLocatorScreen({super.key});

  @override
  State<BranchLocatorScreen> createState() => _BranchLocatorScreenState();
}

 class _BranchLocatorScreenState extends State<BranchLocatorScreen> {
   final TextEditingController _searchController = TextEditingController();

   final List<Location> _allLocations = [
     Location(
       name: "Dharamsala - Head Office",
       code: "002",
       ifsc: "KACE0000002",
       address: "Civil Lines Dharmashala, Kangra, HP - 176215",
       type: LocationType.branch,
     ),
     Location(
       name: "Kangra",
       code: "033",
       ifsc: "KACE0000033",
       address: "Rajput Bhawankangrapo, Kangra, HP ",
       type: LocationType.branch,
     ),
     Location(
       name: "Dharamsala ATM",
       address: "Near Main Square, Dharamsala",
       type: LocationType.atm,
     ),
     Location(
       name: "Kangra ATM",
       address: "Opposite Bus Stand, Kangra",
       type: LocationType.atm,
     ),
   ];

   List<Location> _filteredLocations = [];
   bool _isLoading = false; 

@override
void initState() {
  super.initState();
  // _fetchAndSetLocations();
  _filteredLocations = _allLocations;
}

// Example of a future API fetching function
/*
Future<void> _fetchAndSetLocations() async {
  setState(() {
    _isLoading = true;
  });
  try {
    // final locations = await yourApiService.getLocations();
    // setState(() {
    //   _allLocations = locations;
    //   _filteredLocations = locations;
    // });
  } catch (e) {
    // Handle error
  } finally {
    setState(() {
      _isLoading = false;
    });
  }
}
*/
void _filterLocations(String query) {
  setState(() {
    if (query.isEmpty) {
      _filteredLocations = _allLocations;
    } else {
      _filteredLocations = _allLocations.where((location) {
        final lowerQuery = query.toLowerCase();
        return location.name.toLowerCase().contains(lowerQuery) ||
            (location.code?.toLowerCase().contains(lowerQuery) ?? false) ||
            (location.ifsc?.toLowerCase().contains(lowerQuery) ?? false) ||
            location.address.toLowerCase().contains(lowerQuery);
      }).toList();
    }
  });
}

 @override
 Widget build(BuildContext context) {
   return Scaffold(
     appBar: AppBar(
       title: Text(AppLocalizations.of(context).branchLocator),
     ),
     body: Column(
       children: [
         Padding(
           padding: const EdgeInsets.all(12.0),
           child: TextField(
             controller: _searchController,
             onChanged: _filterLocations,
             decoration: InputDecoration(
               hintText: AppLocalizations.of(context).searchbranchby,
               prefixIcon: const Icon(Icons.search),
               border: OutlineInputBorder(
                 borderRadius: BorderRadius.circular(12),
               ),
             ),
           ),
         ),

         // Content area
Expanded(
  child: _isLoading
      ? const Center(child: CircularProgressIndicator())
      : _filteredLocations.isEmpty
          ? const Center(child: Text("No matching locations found"))
          : ListView.builder(
              itemCount: _filteredLocations.length,
              itemBuilder: (context, index) {
                final location = _filteredLocations[index];
                return _buildLocationItem(location);
              },
            ),
),
       ],
     ),
   );
 }

 Widget _buildHeader(String title) {
  return Padding(
    padding: const EdgeInsets.symmetric(horizontal: 16.0, vertical: 8.0),
    child: Text(
      title,
      style: Theme.of(context).textTheme.titleLarge?.copyWith(
            fontWeight: FontWeight.bold,
            color: Theme.of(context).colorScheme.primary,
          ),
    ),
  );
}

// Helper widget to build a single location item
Widget _buildLocationItem(Location location) {
  final isBranch = location.type == LocationType.branch;
  return Card(
    margin: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
    child: ListTile(
      leading: CircleAvatar(
        child: Icon(isBranch ? Icons.location_city : Icons.currency_rupee),
      ),
      title: Text(location.name,
          style: const TextStyle(fontWeight: FontWeight.bold)),
      subtitle: Text(
        isBranch
            ? "Code: ${location.code} | IFSC: ${location.ifsc}\nAddress: ${location.address}"
            : "Address: ${location.address}",
      ),
      onTap: () {
        ScaffoldMessenger.of(context).showSnackBar(
          SnackBar(content: Text("Selected ${location.name}")),
        );
      },
    ),
  );
}
}