/*
 * Ascent MMORPG Server
 * Copyright (C) 2005-2007 Ascent Team <http://www.ascentemu.com/>
 *
 * 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 3 of the License, or
 * 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/>.
 *
 */

#ifndef __MAIL_H
#define __MAIL_H

enum MailCMD
{
	MAIL_RES_MAIL_SENT = 0,
	MAIL_RES_MONEY_TAKEN = 1,
	MAIL_RES_ITEM_TAKEN = 2,
	MAIL_RES_RETURNED_TO_SENDER = 3,
	MAIL_RES_DELETED = 4,
	MAIL_RES_MADE_PERMANENT = 5
};

enum MailFlags
{
	MAIL_FLAG_NO_COST_FOR_GM					= 1,
	MAIL_FLAG_CAN_SEND_TO_OPPOSITE_FACTION	  = 2,
	MAIL_FLAG_CAN_SEND_TO_OPPOSITE_FACTION_GM   = 4,
	MAIL_FLAG_DISABLE_POSTAGE_COSTS			 = 8,
	MAIL_FLAG_DISABLE_HOUR_DELAY_FOR_ITEMS	  = 16,
	MAIL_FLAG_NO_EXPIRY						 = 32,
};

enum MailTypes
{
	NORMAL,
	COD,
	AUCTION,
};

enum MailError
{
	MAIL_OK = 0,
	MAIL_ERR_BAG_FULL = 1,
	MAIL_ERR_CANNOT_SEND_TO_SELF = 2,
	MAIL_ERR_NOT_ENOUGH_MONEY = 3,
	MAIL_ERR_RECIPIENT_NOT_FOUND = 4,
	MAIL_ERR_NOT_YOUR_ALLIANCE = 5,
	MAIL_ERR_INTERNAL_ERROR = 6
};

struct MailMessage
{
	uint32 message_id;
	uint32 message_type;
	uint64 player_guid;
	uint64 sender_guid;
	string subject;
	string body;
	uint32 money;
	uint64 attached_item_guid;
	uint32 cod;
	uint32 stationary;
	uint32 expire_time;
	uint32 delivery_time;
	uint32 copy_made;
	bool read_flag;
	bool deleted_flag;
	
	bool AddMessageDataToPacket(WorldPacket& data);
};

typedef map<uint32, MailMessage> MessageMap;

class Mailbox
{
protected:
	uint64 owner;
	MessageMap Messages;

public:
	Mailbox(uint64 owner_) : owner(owner_) {}

	void AddMessage(MailMessage* Message);
	void DeleteMessage(uint32 MessageId, bool sql);
	MailMessage * GetMessage(uint32 message_id)
	{
		MessageMap::iterator iter = Messages.find(message_id);
		if(iter == Messages.end())
			return NULL;
		return &(iter->second);
	}

	WorldPacket * BuildMailboxListingPacket();
	void CleanupExpiredMessages();
	inline uint32 MessageCount() { return Messages.size(); }
	bool HasUnreadMessages();
	inline uint64 GetOwner() { return owner; }
};

typedef map<uint64, Mailbox*> MailboxMap;

class MailSystem : public Singleton<MailSystem>, public EventableObject
{
public:

	void StartMailSystem();

	Mailbox * GetPlayersMailbox(uint64 player_guid, bool create);
	MailError DeliverMessage(uint64 recipent, MailMessage* message);
	void RemoveMessageIfDeleted(uint32 message_id, uint64 player_guid);

	void PeriodicMailRefresh();
	uint32 GenerateMessageID();
	void LoadMessages();

	void ShutdownMailSystem();
	void SaveMessageToSQL(MailMessage * message);
	void SendAutomatedMessage(uint32 type, uint64 sender, uint64 receiver, string subject, string body, uint32 money,
		uint32 cod, uint64 item_guid, uint32 stationary);

	inline bool MailOption(uint32 flag)
	{
		return (config_flags & flag) ? true : false;
	}
	uint32 config_flags;

protected:
	MailboxMap Mailboxes;
	Mailbox * CreateMailbox(uint64 ownerguid);
	uint32 message_high;
	Mutex MUTEX;
};

#define sMailSystem MailSystem::getSingleton()

#endif