import 'package:diameter/config.dart';
import 'package:diameter/settings.dart';
import 'package:diameter/utils/date_time_utils.dart';
import 'package:diameter/utils/utils.dart';
import 'package:flutter/material.dart';
import 'package:parse_server_sdk_flutter/parse_server_sdk.dart';
import 'package:diameter/components/data_table.dart';
import 'package:diameter/models/bolus_profile.dart';

class Bolus extends DataTableContent {
  late String? objectId;
  late DateTime startTime;
  late DateTime endTime;
  late double units;
  late double carbs;
  late int? mgPerDl;
  late double? mmolPerL;
  late String bolusProfile;

  Bolus(ParseObject? object) {
    if (object != null) {
      objectId = object.get<String>('objectId');
      startTime = object.get<DateTime>('startTime')!;
      endTime = object.get<DateTime>('endTime')!;
      units = object.get<num>('units')! / 100;
      carbs = object.get<num>('carbs')!.toDouble();
      mgPerDl = object.get<num>('mgPerDl') != null
          ? object.get<num>('mgPerDl')!.toInt()
          : null;
      mmolPerL = object.get<num>('mmolPerL') != null
          ? object.get<num>('mmolPerL')! / 100
          : null;
      bolusProfile =
          object.get<ParseObject>('bolusProfile')!.get<String>('objectId')!;
    }
  }

  static Future<Bolus?> get(String objectId) async {
    QueryBuilder<ParseObject> query =
        QueryBuilder<ParseObject>(ParseObject('Bolus'))
          ..whereEqualTo('objectId', objectId);
    final ParseResponse apiResponse = await query.query();

    if (apiResponse.success && apiResponse.results != null) {
      return Bolus(apiResponse.result.first);
    }
  }

  static Future<List<Bolus>> fetchAllForBolusProfile(
      BolusProfile bolusProfile) async {
    QueryBuilder<ParseObject> query =
        QueryBuilder<ParseObject>(ParseObject('Bolus'))
          ..whereEqualTo(
              'bolusProfile',
              (ParseObject('BolusProfile')..objectId = bolusProfile.objectId!)
                  .toPointer());
    final ParseResponse apiResponse = await query.query();

    if (apiResponse.success && apiResponse.results != null) {
      return apiResponse.results!.map((e) => Bolus(e as ParseObject)).toList();
    } else {
      return [];
    }
  }

  static Future<void> save({
    required DateTime startTime,
    required DateTime endTime,
    required double units,
    required double carbs,
    int? mgPerDl,
    double? mmolPerL,
    required String bolusProfile,
  }) async {
    final bolus = ParseObject('Bolus')
      ..set('startTime', startTime)
      ..set('endTime', endTime)
      ..set('units', units * 100)
      ..set('carbs', carbs.round())
      ..set('bolusProfile',
          (ParseObject('BolusProfile')..objectId = bolusProfile).toPointer());

    bolus.set(
        'mgPerDl',
        mgPerDl != null
            ? mgPerDl.round()
            : Utils.convertMmolPerLToMgPerDl(mmolPerL ?? 0));
    bolus.set(
        'mmolPerL',
        mmolPerL != null
            ? mmolPerL * 100
            : Utils.convertMgPerDlToMmolPerL(mgPerDl ?? 0) * 100);

    await bolus.save();
  }

  static Future<void> update(
    String objectId, {
    DateTime? startTime,
    DateTime? endTime,
    double? units,
    double? carbs,
    int? mgPerDl,
    double? mmolPerL,
  }) async {
    var bolus = ParseObject('Bolus')..objectId = objectId;
    if (startTime != null) {
      bolus.set('startTime', startTime);
    }
    if (endTime != null) {
      bolus.set('endTime', endTime);
    }
    if (units != null) {
      bolus.set('units', units * 100);
    }
    if (carbs != null) {
      bolus.set('carbs', carbs);
    }

    if (mgPerDl != null || mmolPerL != null) {
      bolus.set(
          'mgPerDl',
          mgPerDl != null
              ? mgPerDl.round()
              : Utils.convertMmolPerLToMgPerDl(mmolPerL ?? 0));
      bolus.set(
          'mmolPerL',
          mmolPerL != null
              ? mmolPerL * 100
              : Utils.convertMgPerDlToMmolPerL(mgPerDl ?? 0) * 100);
    }

    await bolus.save();
  }

  Future<void> delete() async {
    var bolus = ParseObject('Bolus')..objectId = objectId;
    await bolus.delete();
  }

  @override
  List<DataCell> asDataTableCells(List<Widget>? actions) {
    var cols = [
      DataCell(Text(DateTimeUtils.displayTime(startTime))),
      DataCell(Text(DateTimeUtils.displayTime(endTime))),
      DataCell(Text('${units.toString()} U')),
      DataCell(Text('${carbs.toString()} g')),
    ];

    if (glucoseMeasurement == GlucoseMeasurement.mgPerDl ||
        glucoseDisplayMode == GlucoseDisplayMode.both ||
        glucoseDisplayMode == GlucoseDisplayMode.bothForList) {
      cols.add(DataCell(Text('${mgPerDl.toString()} mg/dl')));
    }

    if (glucoseMeasurement == GlucoseMeasurement.mmolPerL ||
        glucoseDisplayMode == GlucoseDisplayMode.both ||
        glucoseDisplayMode == GlucoseDisplayMode.bothForList) {
      cols.add(DataCell(Text('${mmolPerL.toString()} mmol/l')));
    }

    cols.add(
      DataCell(
        Row(
          children: actions ?? [],
        ),
      ),
    );

    return cols;
  }

  static List<DataColumn> asDataTableColumns() {
    var cols = [
      const DataColumn(label: Expanded(child: Text('Start Time'))),
      const DataColumn(label: Expanded(child: Text('End Time'))),
      const DataColumn(label: Expanded(child: Text('Units'))),
      const DataColumn(label: Expanded(child: Text('per Carbs'))),
    ];

    if (glucoseMeasurement == GlucoseMeasurement.mgPerDl ||
        glucoseDisplayMode == GlucoseDisplayMode.both ||
        glucoseDisplayMode == GlucoseDisplayMode.bothForList) {
      cols.add(const DataColumn(label: Expanded(child: Text('per mg/dl'))));
    }

    if (glucoseMeasurement == GlucoseMeasurement.mmolPerL ||
        glucoseDisplayMode == GlucoseDisplayMode.both ||
        glucoseDisplayMode == GlucoseDisplayMode.bothForList) {
      cols.add(const DataColumn(label: Expanded(child: Text('per  mmol/l'))));
    }

    cols.add(
      const DataColumn(label: Expanded(child: Text('Actions'))),
    );

    return cols;
  }
}