import '../../vehicle_workspace/domain/vehicle_definition.dart';

/// An operator-created fleet unit in the local planning workspace.
///
/// It deliberately contains no received identity, platform, authority, or
/// physical pose. Those must arrive through separate reviewed bindings later.
class FleetUnit {
  const FleetUnit({
    required this.localUnitId,
    required this.displayName,
    required this.definition,
    required this.localPlacement,
  });

  final String localUnitId;
  final String displayName;
  final VehicleDefinition definition;
  final LocalScenePoint localPlacement;

  FleetUnit copyWith({String? displayName}) => FleetUnit(
    localUnitId: localUnitId,
    displayName: displayName ?? this.displayName,
    definition: definition,
    localPlacement: localPlacement,
  );
}

/// A normalized placement in the operator's local tactical scene.
///
/// This is deliberately not a geographic position, vehicle pose, or received
/// location. A future map binding will keep reported coordinates separate.
class LocalScenePoint {
  const LocalScenePoint({required this.x, required this.y})
    : assert(x >= 0 && x <= 1),
      assert(y >= 0 && y <= 1);

  final double x;
  final double y;

  @override
  bool operator ==(Object other) =>
      other is LocalScenePoint && other.x == x && other.y == y;

  @override
  int get hashCode => Object.hash(x, y);
}