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#pragma once

#include <forstio/core/common.h>
#include <forstio/io/io.h>

#include <optional>
#include <variant>

namespace saw {
class tls;

class tls_server final : public server {
private:
	own<server> internal;

public:
	tls_server(own<server> srv);

	conveyor<own<io_stream>> accept() override;
};

class tls_network final : public network {
private:
	tls& tls_;
	network &internal;
public:
	tls_network(tls& tls_, network &network_);

	conveyor<own<network_address>> resolve_address(const std::string &addr, uint16_t port = 0) override;
	
	own<server> listen(network_address& address) override;

	conveyor<own<io_stream>> connect(network_address& address) override;

	own<class datagram> datagram(network_address& address) override;
};

/**
* tls context class.
* Provides tls network class which ensures the usage of tls encrypted connections
*/
class tls {
private:
	class impl;
	own<impl> impl_;
public:
	tls();
	~tls();

	struct version {
		struct tls_1_0{};
		struct tls_1_1{};
		struct tls_1_2{};
	};

	struct options {
	public:
		version version;
	};

	impl &get_impl();
private:
	options options_;
};

std::optional<own<tls_network>> setup_tls_network(network &network);

} // namespace saw