import 'package:flutter/material.dart';

import '../../../../api/connect/rmv/rmv_models.dart';
import 'product_chip.dart';
import 'realtime_time.dart';

/// Renders a single departure or arrival row. Used in the station detail view.
class DepartureArrivalTile extends StatelessWidget {
  final Product? product;
  final String name;

  /// Direction (for departures) or origin (for arrivals).
  final String towards;
  final DateTime scheduled;
  final DateTime? realtime;
  final int? delayMinutes;
  final String? track;
  final String? realTrack;
  final bool cancelled;
  final VoidCallback? onTap;

  const DepartureArrivalTile({
    super.key,
    required this.product,
    required this.name,
    required this.towards,
    required this.scheduled,
    this.realtime,
    this.delayMinutes,
    this.track,
    this.realTrack,
    this.cancelled = false,
    this.onTap,
  });

  factory DepartureArrivalTile.fromDeparture(
    Departure d, {
    VoidCallback? onTap,
  }) => DepartureArrivalTile(
    product: d.product,
    name: d.name,
    towards: 'nach ${d.direction}',
    scheduled: d.scheduledTime,
    realtime: d.realTime,
    delayMinutes: d.delayMinutes,
    track: d.track,
    realTrack: d.realTrack,
    cancelled: d.cancelled,
    onTap: onTap,
  );

  factory DepartureArrivalTile.fromArrival(
    Arrival a, {
    VoidCallback? onTap,
  }) => DepartureArrivalTile(
    product: a.product,
    name: a.name,
    towards: 'von ${a.origin}',
    scheduled: a.scheduledTime,
    realtime: a.realTime,
    delayMinutes: a.delayMinutes,
    track: a.track,
    realTrack: a.realTrack,
    cancelled: a.cancelled,
    onTap: onTap,
  );

  @override
  Widget build(BuildContext context) {
    final effectiveTrack = (realTrack?.isNotEmpty ?? false)
        ? realTrack!
        : (track ?? '');
    final trackChanged =
        realTrack != null && track != null && realTrack != track;
    return ListTile(
      onTap: onTap,
      leading: SizedBox(
        width: 72,
        child: ProductChip(product: product, fallbackLabel: name),
      ),
      title: Text(
        towards,
        maxLines: 1,
        overflow: TextOverflow.ellipsis,
        style: TextStyle(
          decoration: cancelled ? TextDecoration.lineThrough : null,
        ),
      ),
      subtitle: effectiveTrack.isEmpty
          ? null
          : Row(
              children: [
                Icon(
                  Icons.directions_transit,
                  size: 14,
                  color: Theme.of(context).colorScheme.secondary,
                ),
                const SizedBox(width: 4),
                Text(
                  'Gleis $effectiveTrack',
                  style: TextStyle(
                    color: trackChanged
                        ? Colors.red
                        : Theme.of(context).colorScheme.secondary,
                    fontWeight: trackChanged ? FontWeight.bold : null,
                  ),
                ),
              ],
            ),
      trailing: RealtimeTime(
        scheduled: scheduled,
        realtime: realtime,
        delayMinutes: delayMinutes,
        cancelled: cancelled,
        style: Theme.of(context).textTheme.titleMedium,
      ),
    );
  }
}