import 'package:flutter/material.dart';

import '../model/extensions/controller_context.dart';
import '../model/location.dart';
import '../service/controllers/location_controller.dart';
import '../widgets/dialogs/create_location_dialog.dart';

class LocationsOverviewPage extends StatefulWidget {
  static const routeName = '/locations';
  const LocationsOverviewPage({super.key});

  @override
  State<LocationsOverviewPage> createState() => _LocationsOverviewPageState();
}

class _LocationsOverviewPageState extends State<LocationsOverviewPage> {
  List<Location> locations = [];
  @override
  Widget build(BuildContext context) {
    locations = context.controller<LocationController>().locations;

    return Scaffold(
      appBar: AppBar(title: Text('Manage Locations')),
      body: Padding(
        padding: EdgeInsetsGeometry.symmetric(
          horizontal: MediaQuery.of(context).size.width * 0.05,
        ),
        child: ListView.builder(
          itemBuilder: listViewBuilder,
          itemCount: context.controller<LocationController>().locations.length,
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: onAddLocationButtonPressed,
        child: Icon(Icons.add),
      ),
    );
  }

  Widget listViewBuilder(BuildContext context, int index) {
    final location = locations.elementAt(index);
    final String subtitle = location.address.isEmpty
        ? location.coordinates.toString()
        : location.address;

    return ListTile(
      title: Text(location.name),
      subtitle: Text(subtitle),
      onTap: () => onEditLocationButtonPressed(location),
    );
  }

  void onAddLocationButtonPressed() async {
    final result = await showDialog<Location?>(
      context: context,
      builder: (context) => CreateLocationDialog(),
      barrierDismissible: false,
    );
    if (mounted && result != null) {
      context.controller<LocationController>().addLocation(result);
    }
  }

  void onEditLocationButtonPressed(Location location) async {
    final result = await showDialog<Location?>(
      context: context,
      builder: (context) => CreateLocationDialog(initialLocation: location),
      barrierDismissible: false,
    );
    if (mounted && result != null) {
      context.controller<LocationController>().updateLocation(location, result);
    }
  }
}