import 'package:flutter/material.dart';
import 'package:intl/intl.dart';

import 'package:syncfusion_flutter_datagrid/datagrid.dart';
import 'package:syncfusion_flutter_core/theme.dart';

import 'package:jiffy/jiffy.dart';

import 'package:workinghours/data/publicHolidays.dart';
import 'package:workinghours/data/booking.dart';

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

  @override
  State<StatefulWidget> createState() => _MonthlyScreenState();
}

class _MonthlyScreenState extends State<MonthlyScreen> {
  final DataGridController _dataGridController = DataGridController();
  late BookingDataSource bookingDataSource;
  List<GridColumn> _columns = [];

  Future<List<Booking>> generateBookingList() async {
    // SharedPreferences prefs = await SharedPreferences.getInstance();

    // String? dbProtocol = prefs.getString('dbProtocol');
    // String? dbHost = prefs.getString('dbHost');
    // String? dbPath = prefs.getString('dbPath');

    // Uri url = Uri(
    //   scheme: dbProtocol,
    //   host: dbHost,
    //   path: dbPath,
    //   queryParameters: {
    //     'module': 'movie',
    //     'function': 'getList',
    //   },
    // );

    // final response = await http.get(url);
    // bool? error;
    // String? errorMessage;

    // Map<String, dynamic> movies = json.decode(response.body);
    // error = movies['error'];
    // errorMessage = movies['errmsg'];
    // var list = movies['data'];

    // List<Movie> _movies =
    // await list.map<Movie>((json) => Movie.fromJson(json)).toList();
    // movieDataSource = MovieDataSource(_movies);
    // return _movies;

    List<Booking> _booking = [];

    for (int i = 1; i < 31; i++) {
      _booking.add(Booking(
        bookingDay: DateTime(2024, 1, i),
        come1: DateTime(2024, 1, i, 8, 3, 0),
        leave1: DateTime(2024, 1, i, 16, 27, 0),
        come2: DateTime(1900, 1, 1),
        leave2: DateTime(1900, 1, 1),
        come3: DateTime(1900, 1, 1),
        leave3: DateTime(1900, 1, 1),
        come4: DateTime(1900, 1, 1),
        leave4: DateTime(1900, 1, 1),
        come5: DateTime(1900, 1, 1),
        leave5: DateTime(1900, 1, 1),
        code: 'U',
        information: '',
      ));
    }
    bookingDataSource = BookingDataSource(_booking);
    return _booking;
  }

  List<GridColumn> getColumns() {
    return <GridColumn>[
      GridColumn(
          columnName: 'code',
          visible: false,
          label: Container(
              padding: const EdgeInsets.all(16.0),
              alignment: Alignment.centerRight,
              child: const Text('code'))),
      GridColumn(
          columnName: 'weekday',
          visible: false,
          label: Container(
              padding: const EdgeInsets.all(16.0),
              alignment: Alignment.centerRight,
              child: const Text('weekday'))),
      GridColumn(
          columnName: 'dayLeft',
          columnWidthMode: ColumnWidthMode.auto,
          label: Container(
              padding: const EdgeInsets.all(16.0),
              alignment: Alignment.centerRight,
              child: const Text('day'))),
      GridColumn(
          columnName: 'holiday',
          columnWidthMode: ColumnWidthMode.auto,
          label: Container(
              padding: const EdgeInsets.all(16.0),
              alignment: Alignment.centerLeft,
              child: const Text('holiday'))),
      GridColumn(
          columnName: 'come1',
          columnWidthMode: ColumnWidthMode.auto,
          label: Container(
              padding: const EdgeInsets.all(8.0),
              alignment: Alignment.centerLeft,
              child: const Text('come 1'))),
      GridColumn(
          columnName: 'leave1',
          columnWidthMode: ColumnWidthMode.auto,
          label: Container(
              padding: const EdgeInsets.all(8.0),
              alignment: Alignment.centerLeft,
              child: const Text('leave 1'))),
      GridColumn(
          columnName: 'come2',
          columnWidthMode: ColumnWidthMode.auto,
          label: Container(
              padding: const EdgeInsets.all(8.0),
              alignment: Alignment.centerLeft,
              child: const Text('come 2'))),
      GridColumn(
          columnName: 'leave2',
          columnWidthMode: ColumnWidthMode.auto,
          label: Container(
              padding: const EdgeInsets.all(8.0),
              alignment: Alignment.centerLeft,
              child: const Text('leave 2'))),
      GridColumn(
          columnName: 'come3',
          columnWidthMode: ColumnWidthMode.auto,
          label: Container(
              padding: const EdgeInsets.all(8.0),
              alignment: Alignment.centerLeft,
              child: const Text('come 3'))),
      GridColumn(
          columnName: 'leave3',
          columnWidthMode: ColumnWidthMode.auto,
          label: Container(
              padding: const EdgeInsets.all(8.0),
              alignment: Alignment.centerLeft,
              child: const Text('leave 3'))),
      GridColumn(
          columnName: 'come4',
          columnWidthMode: ColumnWidthMode.auto,
          label: Container(
              padding: const EdgeInsets.all(8.0),
              alignment: Alignment.centerLeft,
              child: const Text('come 4'))),
      GridColumn(
          columnName: 'leave4',
          columnWidthMode: ColumnWidthMode.auto,
          label: Container(
              padding: const EdgeInsets.all(8.0),
              alignment: Alignment.centerLeft,
              child: const Text('leave 4'))),
      GridColumn(
          columnName: 'come5',
          columnWidthMode: ColumnWidthMode.auto,
          label: Container(
              padding: const EdgeInsets.all(8.0),
              alignment: Alignment.centerLeft,
              child: const Text('come 5'))),
      GridColumn(
          columnName: 'leave5',
          columnWidthMode: ColumnWidthMode.auto,
          label: Container(
              padding: const EdgeInsets.all(8.0),
              alignment: Alignment.centerLeft,
              child: const Text('leave 5'))),
      GridColumn(
          columnName: 'pause',
          columnWidthMode: ColumnWidthMode.auto,
          label: Container(
              padding: const EdgeInsets.all(8.0),
              alignment: Alignment.centerLeft,
              child: const Text('pause'))),
      GridColumn(
          columnName: 'code',
          columnWidthMode: ColumnWidthMode.auto,
          label: Container(
              padding: const EdgeInsets.all(8.0),
              alignment: Alignment.centerLeft,
              child: const Text('code'))),
      GridColumn(
          columnName: 'durationIs',
          columnWidthMode: ColumnWidthMode.auto,
          label: Container(
              padding: const EdgeInsets.all(8.0),
              alignment: Alignment.centerLeft,
              child: const Text('duration Is'))),
      GridColumn(
          columnName: 'durationShould',
          columnWidthMode: ColumnWidthMode.auto,
          label: Container(
              padding: const EdgeInsets.all(8.0),
              alignment: Alignment.centerLeft,
              child: const Text('duration Should'))),
      GridColumn(
          columnName: 'diff',
          columnWidthMode: ColumnWidthMode.auto,
          label: Container(
              padding: const EdgeInsets.all(8.0),
              alignment: Alignment.centerLeft,
              child: const Text('diff'))),
      GridColumn(
          columnName: 'information',
          columnWidthMode: ColumnWidthMode.auto,
          label: Container(
              padding: const EdgeInsets.all(8.0),
              alignment: Alignment.centerLeft,
              child: const Text('information'))),
      GridColumn(
          columnName: 'currentDiff',
          columnWidthMode: ColumnWidthMode.auto,
          label: Container(
              padding: const EdgeInsets.all(8.0),
              alignment: Alignment.centerLeft,
              child: const Text('current Diff'))),
      GridColumn(
          columnName: 'decimal',
          columnWidthMode: ColumnWidthMode.auto,
          label: Container(
              padding: const EdgeInsets.all(8.0),
              alignment: Alignment.centerLeft,
              child: const Text('decimal'))),
      GridColumn(
          columnName: 'dayRight',
          columnWidthMode: ColumnWidthMode.auto,
          label: Container(
              padding: const EdgeInsets.all(8.0),
              alignment: Alignment.centerLeft,
              child: const Text('day'))),
    ];
  }

  @override
  void initState() {
    super.initState();
    _columns = getColumns();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: FutureBuilder<Object>(
        future: generateBookingList(),
        builder: (context, data) {
          return data.hasData
              ? SfDataGridTheme(
                  data: const SfDataGridThemeData(
                    headerColor: Color(0xff009889),
                  ),
                  child: SfDataGrid(
                    source: bookingDataSource,
                    selectionMode: SelectionMode.single,
                    navigationMode: GridNavigationMode.row,
                    columns: _columns,
                    controller: _dataGridController,
                    columnWidthMode: ColumnWidthMode.auto,
                  ),
                )
              : const Center(
                  child: CircularProgressIndicator(
                    strokeWidth: 2,
                    value: 0.8,
                  ),
                );
        },
      ),
    );
  }
}