import 'dart:async';

import 'package:feet/widgets/login_prompt.dart';
import 'package:flutter/material.dart';
import 'package:dynamic_color/dynamic_color.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'api/api.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  final api = FeverAPI();
  SharedPreferences? prefs;

  MyApp({super.key});

  Future<bool> _loadPrefs() async {
    var prefs = await SharedPreferences.getInstance();
    this.prefs = prefs;
    var apiKey = prefs.getString('apiKey'),
        apiUrl = prefs.getString('apiUrl');

    if (apiUrl != null && apiKey != null) {
      api.apiUrl = apiUrl;
      api.apiKey = apiKey;
      return true;
    }

    return false;
  }

  @override
  Widget build(BuildContext context) {
    return DynamicColorBuilder(
      builder: ((lightDynamic, darkDynamic) => MaterialApp(
        title: 'Feet',
        theme: ThemeData(
          brightness: Brightness.light,
          useMaterial3: true,
          colorScheme: lightDynamic,
        ),
        darkTheme: ThemeData(
          brightness: Brightness.dark,
          useMaterial3: true,
          colorScheme: darkDynamic,
        ),
        themeMode: ThemeMode.system,
        home: FutureBuilder<bool>(
          builder: (context, snapshot) {
            if (snapshot.hasData && prefs != null) return MyHomePage(title: 'Feet', api: api, prefs: prefs!);
            return const SizedBox();
          },
          future: _loadPrefs(),
        ),
      )),
    );
  }
}

class MyHomePage extends StatefulWidget {
  final String title;
  final FeverAPI api;
  final SharedPreferences prefs;
  const MyHomePage({ super.key, required this.title, required this.api, required this.prefs });

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  @override
  Widget build(BuildContext context) {
    var loggedIn = widget.api.loggedIn();

    // I'm aware that this is stupid, but I'm sick and tired and really don't care as long as it works
    if (!loggedIn) {
      Timer.periodic(const Duration(seconds: 1), (timer) {
        setState(() {
          loggedIn = widget.api.loggedIn();
        });

        if (loggedIn) timer.cancel();
      });
    }

    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: loggedIn
        ? const Center(child: Text('Meep'))
        : Center(child: LoginPrompt(api: widget.api)),
    );
  }
}