import 'package:flutter/material.dart';
import 'package:fmassive/best_page.dart';
import 'package:fmassive/database.dart';
import 'package:fmassive/edit_set.dart';
import 'package:fmassive/main.dart';
import 'package:fmassive/plans_page.dart';
import 'package:fmassive/settings_page.dart';
import 'package:fmassive/timer_page.dart';
import 'package:fmassive/workouts_page.dart';
import 'package:intl/intl.dart';
import 'package:moor_flutter/moor_flutter.dart';

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

  @override
  createState() => RootPage();
}

class RootPage extends State<HomePage> {
  bool showSearch = false;
  int selected = 0;
  String search = '';
  final focusNode = FocusNode();

  final List<Map<String, dynamic>> routes = [
    {'title': 'Home', 'icon': Icons.home},
    {'title': 'Plans', 'icon': Icons.calendar_today},
    {'title': 'Best', 'icon': Icons.star},
    {'title': 'Workouts', 'icon': Icons.fitness_center},
    {'title': 'Timer', 'icon': Icons.timer},
    {'title': 'Settings', 'icon': Icons.settings},
  ];

  void toggleSearch() {
    setState(() {
      if (showSearch) search = '';
      showSearch = !showSearch;
    });
    focusNode.requestFocus();
  }

  Widget getBody() {
    switch (routes[selected]['title']) {
      case 'Settings':
        return SettingsPage(search: search);
      case 'Timer':
        return const TimerPage();
      case 'Workouts':
        return const WorkoutsPage();
      case 'Best':
        return const BestPage();
      case 'Plans':
        return const PlansPage();
      default:
        return _HomePageWidget(search: search);
    }
  }

  @override
  Widget build(BuildContext context) {
    return SafeArea(
        child: Scaffold(
      drawer: Drawer(
        child: ListView.builder(
          itemCount: routes.length,
          itemBuilder: (context, index) {
            return ListTile(
              selected: selected == index,
              leading: Icon(routes[index]['icon']),
              title: Text(routes[index]['title']),
              onTap: () {
                setState(() {
                  selected = index;
                });
                Navigator.pop(context);
              },
            );
          },
        ),
      ),
      appBar: AppBar(
        title: showSearch
            ? TextField(
                focusNode: focusNode,
                cursorColor: Colors.white,
                onChanged: (String value) {
                  setState(() {
                    search = value;
                  });
                },
                decoration: const InputDecoration(
                  hintText: 'Search...',
                  border: InputBorder.none,
                  hintStyle: TextStyle(color: Colors.white),
                ),
              )
            : Text(routes[selected]['title']),
        actions: [
          IconButton(
            icon: const Icon(Icons.search),
            onPressed: toggleSearch,
          ),
        ],
      ),
      body: getBody(),
    ));
  }
}

class _HomePageWidget extends StatefulWidget {
  final String search;

  const _HomePageWidget({Key? key, required this.search}) : super(key: key);

  @override
  createState() => _HomePage();
}

class _HomePage extends State<_HomePageWidget> {
  bool showSearch = false;
  late Stream<List<GymSet>> stream;

  @override
  initState() {
    super.initState();
    setStream();
  }

  void setStream() {
    stream = (db.select(db.gymSets)
          ..where((gymSet) => gymSet.name.contains(widget.search))
          ..limit(10, offset: 0))
        .watch();
  }

  @override
  didUpdateWidget(covariant _HomePageWidget oldWidget) {
    super.didUpdateWidget(oldWidget);
    setStream();
  }

  void toggleSearch() {
    setState(() {
      showSearch = !showSearch;
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
        body: StreamBuilder<List<GymSet>>(
            stream: stream,
            builder: (context, snapshot) {
              final gymSets = snapshot.data;

              if (gymSets == null)
                return const Center(child: CircularProgressIndicator());

              return ListView.builder(
                itemCount: gymSets.length,
                itemBuilder: (context, index) {
                  return ListTile(
                      title: Text(gymSets[index].name),
                      subtitle: Text(
                          "${gymSets[index].reps} x ${gymSets[index].weight}kg"),
                      trailing: Text(DateFormat("yyyy-MM-dd")
                          .format(DateTime.parse(gymSets[index].created))),
                      onTap: () async {
                        await Navigator.push(
                          context,
                          MaterialPageRoute(
                            builder: (context) => EditGymSetPage(
                                gymSet: gymSets[index].toCompanion(false)),
                          ),
                        );
                      });
                },
              );
            }),
        floatingActionButton: FloatingActionButton(
            onPressed: () async {
              await Navigator.push(
                context,
                MaterialPageRoute(
                  builder: (context) => EditGymSetPage(
                      gymSet: GymSetsCompanion(
                          name: const Value(''),
                          reps: const Value(0),
                          weight: const Value(0),
                          image: const Value(''),
                          created: Value(DateTime.now().toString()))),
                ),
              );
            },
            child: const Icon(Icons.add)));
  }
}