import 'package:intl/intl.dart';

import 'package:flutter/material.dart';
import 'package:syncfusion_flutter_datagrid/datagrid.dart';
import 'package:workinghours/data/publicHolidays.dart';

class Booking {
  DateTime bookingDay;
  DateTime come1;
  DateTime leave1;
  DateTime come2;
  DateTime leave2;
  DateTime come3;
  DateTime leave3;
  DateTime come4;
  DateTime leave4;
  DateTime come5;
  DateTime leave5;
  String code;
  String information;

  int weekday = -1;
  String holiday = '';
  String dayLeft = '';
  String dayRight = '';
  String pause = '';
  String durationIs = '';
  String durationShould = '';
  String diff = '';
  String currentDiff = '';
  String decimal = '';

  Booking({
    required this.bookingDay,
    required this.come1,
    required this.leave1,
    required this.come2,
    required this.leave2,
    required this.come3,
    required this.leave3,
    required this.come4,
    required this.leave4,
    required this.come5,
    required this.leave5,
    required this.code,
    required this.information,
  }) {
    PublicHolidays h = PublicHolidays(year: bookingDay.year);

    weekday = bookingDay.weekday;
    holiday = h.holiday(bookingDay);
    dayLeft = DateFormat('EEEE - dd').format(bookingDay);
    dayRight = DateFormat('dd - EEEE').format(bookingDay);
    pause = '';
    durationIs = '';
    durationShould = '';
    diff = '';
    currentDiff = '';
    decimal = '';
  }

// factory Booking.fromJson(Map<String, dynamic> json) {
//   return Movie(
//     movieID: int.parse(json['movieID']),
//     movieTitle: json['movieTitle'] as String,
//     overview: json['overview'] as String,
//     releaseDate: DateTime.parse(json['releaseDate']),
//     state: int.parse(json['state']),
//     resolution: json['resolution'] as String,
//   );
// }
}

class BookingDataSource extends DataGridSource {
  /// Creates the employee data source class with required details.
  BookingDataSource(this.booking) {
    buildDataGridRow();
  }

  void buildDataGridRow() {
    _bookingDataGridRows = booking
        .map<DataGridRow>((e) => DataGridRow(cells: [
              DataGridCell<String>(columnName: 'code', value: e.code),
              DataGridCell<int>(columnName: 'weekday', value: e.weekday),
              DataGridCell<String>(columnName: 'dayLeft', value: e.dayLeft),
              DataGridCell<String>(columnName: 'holiday', value: e.holiday),
              DataGridCell<String>(
                  columnName: 'come1',
                  value: e.come1.year == 1900
                      ? '99:99'
                      : DateFormat('hh:mm').format(e.come1)),
              DataGridCell<String>(
                  columnName: 'leave1',
                  value: e.leave1.year == 1900
                      ? '99:99'
                      : DateFormat('hh:mm').format(e.leave1)),
              DataGridCell<String>(
                  columnName: 'come2',
                  value: e.come2.year == 1900
                      ? '99:99'
                      : DateFormat('hh:mm').format(e.come2)),
              DataGridCell<String>(
                  columnName: 'leave2',
                  value: e.leave2.year == 1900
                      ? '99:99'
                      : DateFormat('hh:mm').format(e.leave2)),
              DataGridCell<String>(
                  columnName: 'come3',
                  value: e.come3.year == 1900
                      ? '99:99'
                      : DateFormat('hh:mm').format(e.come3)),
              DataGridCell<String>(
                  columnName: 'leave3',
                  value: e.leave3.year == 1900
                      ? '99:99'
                      : DateFormat('hh:mm').format(e.leave3)),
              DataGridCell<String>(
                  columnName: 'come4',
                  value: e.come4.year == 1900
                      ? '99:99'
                      : DateFormat('hh:mm').format(e.come4)),
              DataGridCell<String>(
                  columnName: 'leave4',
                  value: e.leave4.year == 1900
                      ? '99:99'
                      : DateFormat('hh:mm').format(e.leave4)),
              DataGridCell<String>(
                  columnName: 'come5',
                  value: e.come5.year == 1900
                      ? '99:99'
                      : DateFormat('hh:mm').format(e.come5)),
              DataGridCell<String>(
                  columnName: 'leave5',
                  value: e.leave5.year == 1900
                      ? '99:99'
                      : DateFormat('hh:mm').format(e.leave5)),
              DataGridCell<String>(columnName: 'pause', value: e.pause),
              DataGridCell<String>(columnName: 'code', value: e.code),
              DataGridCell<String>(
                  columnName: 'durationIs', value: e.durationIs),
              DataGridCell<String>(
                  columnName: 'durationShould', value: e.durationShould),
              DataGridCell<String>(columnName: 'diff', value: e.diff),
              DataGridCell<String>(
                  columnName: 'information', value: e.information),
              DataGridCell<String>(
                  columnName: 'currentDiff', value: e.currentDiff),
              DataGridCell<String>(columnName: 'decimal', value: e.decimal),
              DataGridCell<String>(columnName: 'dayRight', value: e.dayRight),
            ]))
        .toList();
  }

  List<Booking> booking = [];
  List<DataGridRow> _bookingDataGridRows = [];

  @override
  List<DataGridRow> get rows => _bookingDataGridRows;

  @override
  DataGridRowAdapter buildRow(DataGridRow row) {
    Color colBG = Colors.white;
    String code = row.getCells().toList()[0].value;
    int weekday = row.getCells().toList()[1].value;
    String holiday = row.getCells().toList()[3].value;

    if (code == 'U') {
      colBG = Color.fromARGB(255, 127, 127, 255);
    }
    if (weekday == 6 || weekday == 7) {
      colBG = Color.fromARGB(255, 255, 165, 0);
    }
    if (holiday != '') {
      colBG = Color.fromARGB(255, 255, 165, 0);
    }
    if (code == 'T') {
      colBG = Color.fromARGB(255, 127, 127, 255);
    }
    if (code == 'SU') {
      colBG = Color.fromARGB(255, 127, 127, 255);
    }
    if (code == 'K') {
      colBG = Colors.yellow;
    }
    if (code == 'G') {
      colBG = Color.fromARGB(255, 191, 191, 255);
    }
    if (code == 'T') {
      colBG = Colors.red;
    }

    return DataGridRowAdapter(
        cells: row.getCells().map<Widget>((e) {
      if (e.columnName == 'dayRight' ||
          e.columnName == 'holiday' ||
          e.columnName == 'information') {
        return Container(
          alignment: Alignment.centerLeft,
          color: colBG,
          padding: const EdgeInsets.all(8.0),
          child: Text(e.value.toString() == '99:99' ? '' : e.value.toString()),
        );
      }
      return Container(
        alignment: Alignment.centerRight,
        color: colBG,
        padding: const EdgeInsets.all(8.0),
        child: Text(e.value.toString() == '99:99' ? '' : e.value.toString()),
      );
    }).toList());
  }

  void updateDataGrid() {
    notifyListeners();
  }
}