class Async::IO::Endpoint

def self.each(specifications, &block)
	return to_enum(:each, specifications) unless block_given?
	
	specifications.each do |specification|
		yield try_convert(specification)
	end
end

def self.parse(string, **options)
	uri = URI.parse(string)
	
	self.send(uri.scheme, uri.host, uri.port, **options)
end

def self.socket(socket, **options)
	SocketEndpoint.new(socket, **options)
end

def self.ssl(*args, **options)
	SSLEndpoint.new(self.tcp(*args, **options), **options)
end

def self.tcp(*args, **options)
	args[3] = ::Socket::SOCK_STREAM
	
	HostEndpoint.new(args, **options)
end

def self.try_convert(specification)
	if specification.is_a? self
		specification
	elsif specification.is_a? Array
		self.send(*specification)
	elsif specification.is_a? String
		self.parse(specification)
	elsif specification.is_a? ::BasicSocket
		self.socket(specification)
	elsif specification.is_a? Generic
		self.new(specification)
	else
		raise ArgumentError.new("Not sure how to convert #{specification} to endpoint!")
	end
end

def self.udp(*args, **options)
	args[3] = ::Socket::SOCK_DGRAM
	
	HostEndpoint.new(args, **options)
end

def self.unix(*args, **options)
	AddressEndpoint.new(Address.unix(*args), **options)
end

def accept(backlog = Socket::SOMAXCONN, &block)
	bind do |server|
		server.listen(backlog)
		
		server.accept_each(&block)
	end
end

def each
	return to_enum unless block_given?
	
	yield self
end

def hostname
	@options[:hostname]
end

def initialize(**options)
	@options = options
end