/*

Omegle plugin for Miranda Instant Messenger
_____________________________________________

Copyright © 2011-17 Robert Pösel, 2017-18 Miranda NG team

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.

*/

#pragma once

#define FORCE_DISCONNECT true

#define STATE_INACTIVE			0	// not connected to any stranger
#define STATE_WAITING			1	// connecting to stranger
#define STATE_ACTIVE			2	// active discussion
#define STATE_DISCONNECTING		3	// disconnecting from stranger
#define STATE_SPY				4	// spy mode (read-only)

#define HANDLE_ENTRY handle_entry(__FUNCTION__)
#define HANDLE_SUCCESS handle_success(__FUNCTION__)
#define HANDLE_ERROR(force_disconnect) handle_error(__FUNCTION__, force_disconnect)

class Omegle_client
{
public:

	// Client definition
	Omegle_client()
	{
		nick_ = nullptr;
		//msgid_ = 0;
		state_ = STATE_INACTIVE;

		typing_ = spy_mode_ = false;

		error_count_ = 0;

		parent = nullptr;
		handle_ = nullptr;
		hConnection = nullptr;
		hEventsConnection = nullptr;
		connection_lock_ = nullptr;
		chatHandle_ = nullptr;
	}

	HNETLIBCONN hConnection;
	HNETLIBCONN hEventsConnection;
	HANDLE connection_lock_;
	HANDLE chatHandle_;

	// Parent handle
	OmegleProto*  parent;

	// Chat data
	std::string chat_id_;
	std::string server_;
	std::string question_;
	ptrW nick_;

	//int	msgid_;

	// State of client
	int state_;
	bool typing_;
	bool spy_mode_;

	// Data storage
	void    store_headers(http::response *resp, NETLIBHTTPHEADER *headers, int headers_count);

	std::string get_server(bool not_last = false);
	std::string get_language();

	// Connection handling
	unsigned int error_count_;

	bool    handle_entry(const std::string &method);
	bool    handle_success(const std::string &method);
	bool    handle_error(const std::string &method, bool force_disconnect = false);

	void __inline increment_error() { error_count_++; }
	void __inline decrement_error() { if (error_count_ > 0) error_count_--; }
	void __inline reset_error() { error_count_ = 0; }

	bool    start();
	bool    stop();
	bool    events();

	bool    typing_start();
	bool    typing_stop();
	bool    recaptcha();

	std::string get_page(int);

	bool    send_message(const std::string &message_text);

	// HTTP communication
	http::response  flap(const int request_type, std::string *post_data = nullptr, std::string *get_data = nullptr);

	std::string choose_server(int);
	std::string choose_action(int, std::string *get_data = nullptr);

	NETLIBHTTPHEADER *get_request_headers(int request_type, int *headers_count);

	// Netlib handle

	HNETLIBUSER handle_;

	void set_handle(HNETLIBUSER h)
	{
		handle_ = h;
	}
};