import 'dart:convert';

import '../../connect_api.dart';
import '../rmv_models.dart';
import '_query_format.dart';

class GetDepartures extends ConnectApi<List<Departure>> {
  final String stopId;
  final DateTime? when;
  final int durationMinutes;
  final int maxJourneys;

  GetDepartures({
    required this.stopId,
    this.when,
    this.durationMinutes = 60,
    this.maxJourneys = -1,
  }) : super('rmv/departures');

  @override
  Map<String, String>? get queryParameters => {
    'stopId': stopId,
    if (when != null) 'when': formatLocalDateTime(when!),
    'duration': durationMinutes.toString(),
    'max': maxJourneys.toString(),
  };

  @override
  List<Departure> assemble(String raw) => (jsonDecode(raw) as List)
      .map((e) => Departure.fromJson(e as Map<String, dynamic>))
      .toList(growable: false);
}