import 'package:flutter/material.dart';
import 'package:witl/arrival_fetch.dart';

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

  @override
  State<FetchAPI> createState() => _FetchAPIState();
}

class _FetchAPIState extends State<FetchAPI> {
  late Future<List<Arrival>> fetchedArrivals;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text("Fetching API"),
      ),
      body: Column(
        mainAxisAlignment: MainAxisAlignment.start,
        children: [
          Expanded(
            child: SizedBox(
              child: FutureBuilder<List<Arrival>>(
                future: fetchedArrivals,
                builder: (context, snapshot) {
                  if (snapshot.connectionState == ConnectionState.waiting) {
                    return const CircularProgressIndicator();
                  } else if (snapshot.hasError) {
                    return Text('Failed to fetch data.\nError: ${snapshot.error}');
                  } else {
                    return ListView.builder(
                      itemCount: snapshot.data!.length,
                      itemBuilder: (context, index) {
                        return ListTile(
                          title: Text("Arrival Time: ${snapshot.data![index].timeOfDay}"),
                          titleAlignment: ListTileTitleAlignment.center,
                          subtitle: Text("Week Day: ${weekNumToString(snapshot.data![index].weekDay)}"),
                        );
                      },
                    );
                  }
                },
              ),
            ),
          ),
          const SizedBox(height: 30,),
          InkWell(
            onTap: () {
              Navigator.pushNamedAndRemoveUntil(context, '/', (route) => false);
            },
            child: Container(
              padding: const EdgeInsets.all(20.0),
              child: const Text("Homescreen"),
            ),
          ),
          const SizedBox(height: 35,),
        ],
      ),
    );
  }

  @override
  void initState() {
    super.initState();
    fetchedArrivals = fetchArrivals();
  }
}

String weekNumToString(int weekday) {
  switch (weekday) {
    case 1:
      return "Monday";
    case 2:
      return "Tuesday";
    case 3:
      return "Wednesday";
    case 4:
      return "Thursday";
    case 5:
      return "Friday";
    case 6:
      return "Saturday";
    case 7:
      return "Sunday";
  }

  throw "AAAAAAAAA";
}