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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 TlsServer final : public server {
private:
	own<server> internal;

public:
	TlsServer(own<server> srv);

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

class TlsNetwork final : public network {
private:
	Tls& tls;
	network &internal;
public:
	TlsNetwork(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;
	};

	network& tlsNetwork();

	Impl &getImpl();
private:
	Options options;
};

std::optional<own<TlsNetwork>> setupTlsNetwork(network &network);

} // namespace saw