#pragma once

#include <memory>

class ISeedGenerator
{
public:
	virtual ~ISeedGenerator() noexcept = default;

	[[nodiscard]] virtual uint32_t random_seed() const noexcept = 0;
};

using ISeedGeneratorFactory = std::shared_ptr<ISeedGenerator> (*)();

/**
 * Pseudo-random unsigned integer generator.
 */
class IRandomNumberGenerator
{
public:
	virtual ~IRandomNumberGenerator() noexcept = default;

	/**
	 * Returns a number in the range of a to b.
	 *
	 * @param a A number lower than b
	 * @param b A number greater than a
	 */
	[[nodiscard]] virtual uint32_t in_range(const uint32_t &a,
											const uint32_t &b) const noexcept = 0;
};

using IRandomNumberGeneratorFactory =
	std::shared_ptr<IRandomNumberGenerator> (*)(const uint32_t &seed);