#pragma once

#include "inheritance.hpp"

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

namespace oop {

[[nodiscard]] auto total_area(const std::vector<std::unique_ptr<Shape>>& shapes) -> double;
[[nodiscard]] auto shape_names(const std::vector<std::unique_ptr<Shape>>& shapes)
    -> std::vector<std::string>;

class Counter {
public:
    Counter() = default;
    Counter(const Counter&) { ++copies_; }
    auto operator=(const Counter&) -> Counter& {
        ++copies_;
        return *this;
    }

    [[nodiscard]] static auto copies() -> int;

private:
    inline static int copies_ = 0;
};

}  // namespace oop