#pragma once

#include <string>

namespace oop {

class Shape {
public:
    virtual ~Shape() = default;
    [[nodiscard]] virtual auto name() const -> std::string = 0;
    [[nodiscard]] virtual auto area() const -> double = 0;
};

class Circle : public Shape {
public:
    explicit Circle(double radius);
    [[nodiscard]] auto name() const -> std::string override;
    [[nodiscard]] auto area() const -> double override;

private:
    double radius_;
};

class Rectangle : public Shape {
public:
    Rectangle(double width, double height);
    [[nodiscard]] auto name() const -> std::string override;
    [[nodiscard]] auto area() const -> double override;

private:
    double width_;
    double height_;
};

}  // namespace oop