import 'package:flisp_app/layout/app_body.dart';
import 'package:flisp_app/layout/app_drawer.dart';
import 'package:flisp_app/layout/app_floating_button.dart';
import 'package:flisp_app/layout/app_navbar.dart';
import 'package:flisp_app/models/calendar.dart';
import 'package:flisp_app/models/todo.dart';
import 'package:flisp_app/provider/app_provider.dart';
import 'package:flisp_app/service/calendar_service.dart';
import 'package:flisp_app/service/todo_service.dart';
import 'package:flisp_app/utils/date_utils.dart';
import 'package:flisp_app/utils/notify_utils.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';

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

  @override
  State<MainScreen> createState() => _MainScreenState();
}

class _MainScreenState extends State<MainScreen> {
  final GlobalKey<AppBodyState> _appBodyKey = GlobalKey();
  final NotifyService notifyService = NotifyService();

  void _onPressedFloatingButton(int index) {
    _appBodyKey.currentState?.showPageAddDialog(index);
  }

  @override
  void initState() {
    super.initState();
    refreshScheduled();
  }

  /// 重新刷新提醒 防止每次重启设备后提醒丢失的问题
  void refreshScheduled() async {
    await notifyService.cancelAllNotifications();

    TodoService todoService = TodoService();
    final List<Todo> todoResult = todoService.getAllTodos(
      TodoSortMode.priority,
    );
    final List<Todo> todayTodos =
        todoResult
            .where(
              (todo) => !todo.isCompleted && isAfterToday(todo.scheduledTime),
            )
            .toList();

    for (Todo todo in todayTodos) {
      await notifyService.scheduleNotification(
        id: todo.id,
        title: '待办提醒',
        body: todo.title,
        scheduledTime: todo.scheduledTime!,
      );
    }

    CalendarService calendarService = CalendarService();
    final List<Calendar> calendarResult = calendarService.getAllCalendars();
    final List<Calendar> todayCalendars =
        calendarResult
            .where((item) => isAfterToday(item.scheduledTime))
            .toList();

    for (Calendar calendar in todayCalendars) {
      await notifyService.scheduleNotification(
        id: calendar.id,
        title: '日程提醒',
        body: calendar.title,
        scheduledTime: calendar.scheduledTime!,
      );
    }
  }

  @override
  Widget build(BuildContext context) {
    final provider = context.watch<AppProvider>();

    return Scaffold(
      drawer: const AppDrawer(),
      appBar: AppBar(
        title: Text(provider.currentAppBarTitle),
        backgroundColor: Theme.of(context).colorScheme.primary,
        foregroundColor: Theme.of(context).colorScheme.onPrimary,
        elevation: 0,
      ),
      body: Padding(
        padding: EdgeInsets.all(10),
        child: AppBody(key: _appBodyKey),
      ),
      bottomNavigationBar: AppNavbar(),
      floatingActionButton:
          provider.currentTab == 3
              ? null
              : AppFloatingButton(
                onPressed: () => _onPressedFloatingButton(provider.currentTab),
              ),
    );
  }
}