import 'package:flutter/material.dart';

import '../Widgets/reading_graph.dart';
import '../model/flood_station.dart';
import '../model/reading.dart';
import '../services/api.dart';

class FloodStationPage extends StatelessWidget {
  const FloodStationPage({super.key, required FloodStation floodStation})
      : _floodStation = floodStation;
  final FloodStation _floodStation;
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(_floodStation.label),
      ),
      body: FutureBuilder<List<Reading>>(
          future: Api.fetchReadingsFromStation(_floodStation.id),
          builder: (context, snapshot) {
            if (snapshot.hasData) {
              if (snapshot.data!.isEmpty) {
                return Center(child: Text('No readings on record.'));
              }
              return Center(
                child: Padding(
                  padding: const EdgeInsets.fromLTRB(20, 0, 20, 20),
                  child: ReadingGraph(
                    readings: snapshot.data!,
                  ),
                ),
              );
            } else if (snapshot.hasError) {
              return Center(child: Text('An unknown Error occured'));
            } else {
              return Center(child: CircularProgressIndicator());
            }
          }),
    );
  }
}