#include <iostream>
#include <vector>
#include <memory>
#include <string>

class Vehicle {
public:
   std::string name() const { return name_; }
   int number_of_wheels() const { return number_of_wheels_; }

   virtual ~Vehicle() = default;

protected:
   Vehicle(const std::string &name, int number_of_wheels)
       : name_(name), number_of_wheels_(number_of_wheels) {}

   std::string name_;
   int number_of_wheels_;
};

class Car : public Vehicle{
public:
   Car(const std::string  &name, int horsepower)
       : Vehicle(name, 4), horsepower_(horsepower) {}

   int horsepower() const { return horsepower_; }

private:
   int horsepower_;
};

class Bike : public Vehicle {
public:
   Bike(const std::string &name, bool has_derailleur)
       : Vehicle(name, 2), has_derailleur_(has_derailleur) {}

   bool has_derailleur() { return has_derailleur_; }

private:
   bool has_derailleur_;
};

void display_vehicle_info(std::vector<std::unique_ptr<Vehicle>> a){
    for (int i = 0; i <=5; i++) {
        if(typeid (a) == typeid (Car)){
            Car &some_car = dynamic_cast<Car &>(*a[i]);
            std::cout << "car: " << some_car.name() << "has: " << some_car.horsepower() << " HP" << std::endl;
        }
        if(typeid (a) == typeid (Bike)){
            Bike &some_bike = dynamic_cast<Bike &>(*a[i]);
            std::cout << "bike: " << some_bike.name() << " - derailleur: " << some_bike.has_derailleur() << std::endl;
        }
    }
}

//        if(typeid (a) == typeid (Car)){
//        Car *some_car = dynamic_cast<Car *>(a[i].get());
//        if (some_car != nullptr) { // cast successful
//            std::cout << i << ": HP" << some_car->horsepower() << std::endl;
//        } else { // nope
//            std::cout << i << ": not a Car" << std::endl;
//        }
//        }
//        if(typeid (a) == typeid (Bike)){
//            Bike *some_bike = dynamic_cast<Bike *>(a[i].get());
//            if (some_bike != nullptr) { // cast successful
//                std::cout << i << ": H_D" << some_bike->has_derailleur() << std::endl;
//            } else { // nope
//                std::cout << i << ": not a Bike" << std::endl;
//            }
//        }

int main()
{
   std::vector<std::unique_ptr<Vehicle>> vehicles;

   vehicles.emplace_back(std::make_unique<Bike>("Fixie", false));
   vehicles.emplace_back(std::make_unique<Car>("Porsche", 400));
   vehicles.emplace_back(std::make_unique<Bike>("Road Bike", true));
   vehicles.emplace_back(std::make_unique<Bike>("MTB", true));
   vehicles.emplace_back(std::make_unique<Car>("Passat", 115));

   display_vehicle_info(vehicles);
}