content: enum DefenseShipType {
    artillery,
    battleship,
    rover,
  }
  
  class DefenseShip {
    final DefenseShipType type;
    final String description;
    final int point; // Higher the Points, more the Computer AI will target it
    final int cost;
    final int maintainance;
    final int damage;
    final int health;
  
    const DefenseShip(
        {required this.cost,
        required this.point,
        required this.description,
        required this.type,
        required this.maintainance,
        required this.damage,
        required this.health});
  }
  
  const Map<DefenseShipType, DefenseShip> kDefenseShipsData = {
    DefenseShipType.rover: DefenseShip(
        cost: 600,
        description: 'Quick, Cheap , Reliable',
        type: DefenseShipType.rover,
        maintainance: 10,
        point: 4,
        health: 400,
        damage: 350),
    DefenseShipType.artillery: DefenseShip(
        cost: 1600,
        description: 'Clears the Battlefield',
        type: DefenseShipType.artillery,
        point: 10,
        maintainance: 25,
        health: 1000,
        damage: 800),
    DefenseShipType.battleship: DefenseShip(
        cost: 1000,
        description: 'Basically a tank that can fly',
        type: DefenseShipType.battleship,
        maintainance: 20,
        point: 5,
        health: 1600,
        damage: 500),
  };
  