/*
 * Copyright (C)2005-2019 Haxe Foundation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

package sys.net;

import java.net.InetSocketAddress;

@:coreApi
class Socket {
	public var input(default, null):haxe.io.Input;
	public var output(default, null):haxe.io.Output;

	public var custom:Dynamic;

	private var sock:java.net.Socket;
	private var server:java.net.ServerSocket;
	private var boundAddr:java.net.SocketAddress;

	public function new():Void {
		create();
	}

	private function create():Void {
		this.sock = new java.net.Socket();
		try {
			this.server = new java.net.ServerSocket();
		} catch (e:Dynamic)
			throw e;
	}

	public function close():Void {
		try {
			if (sock != null)
				this.sock.close();
			if (server != null)
				this.server.close();
		} catch (e:Dynamic)
			throw e;
	}

	public function read():String {
		return input.readAll().toString();
	}

	public function write(content:String):Void {
		output.writeString(content);
	}

	public function connect(host:Host, port:Int):Void {
		try {
			sock.connect(new InetSocketAddress(host.wrapped, port));
			this.output = new java.io.NativeOutput(sock.getOutputStream());
			this.input = new java.io.NativeInput(sock.getInputStream());
		} catch (e:Dynamic)
			throw e;
	}

	public function listen(connections:Int):Void {
		if (boundAddr == null)
			throw "You must bind the Socket to an address!";
		try
			server.bind(boundAddr, connections)
		catch (e:Dynamic)
			throw e;
	}

	public function shutdown(read:Bool, write:Bool):Void {
		try {
			if (read)
				sock.shutdownInput();
			if (write)
				sock.shutdownOutput();
		} catch (e:Dynamic)
			throw e;
	}

	public function bind(host:Host, port:Int):Void {
		if (boundAddr != null) {
			if (server.isBound())
				throw "Already bound";
		}
		this.boundAddr = new java.net.InetSocketAddress(host.wrapped, port);
	}

	public function accept():Socket {
		var ret = try server.accept() catch (e:Dynamic) throw e;

		var s = new Socket();
		s.sock = ret;
		s.output = new java.io.NativeOutput(ret.getOutputStream());
		s.input = new java.io.NativeInput(ret.getInputStream());

		return s;
	}

	public function peer():{host:Host, port:Int} {
		var rem = sock.getInetAddress();
		if (rem == null)
			return null;

		var host = new Host(null);
		host.wrapped = rem;
		return {host: host, port: sock.getPort()};
	}

	public function host():{host:Host, port:Int} {
		var local = sock.getLocalAddress();
		var host = new Host(null);
		host.wrapped = local;

		if (boundAddr != null) {
			return {host: host, port: server.getLocalPort()};
		}

		return {host: host, port: sock.getLocalPort()};
	}

	public function setTimeout(timeout:Float):Void {
		try
			sock.setSoTimeout(Std.int(timeout * 1000))
		catch (e:Dynamic)
			throw e;
	}

	public function waitForRead():Void {
		throw "Not implemented";
	}

	public function setBlocking(b:Bool):Void {
		throw "Not implemented";
	}

	public function setFastSend(b:Bool):Void {
		try
			sock.setTcpNoDelay(b)
		catch (e:Dynamic)
			throw e;
	}

	public static function select(read:Array<Socket>, write:Array<Socket>, others:Array<Socket>,
			?timeout:Float):{read:Array<Socket>, write:Array<Socket>, others:Array<Socket>} {
		throw "Not implemented";
		return null;
	}
}