/*
 * nmuser.h
 *
 * Copyright (c) 2004 Novell, Inc. All Rights Reserved.
 *
 * 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; version 2 of the License.
 *
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA	02111-1301	USA
 *
 */

#ifndef __NM_USER_H__
#define __NM_USER_H__

#include <glib.h>
#include <stdio.h>
#include <stdlib.h>

typedef guint32 NMERR_T;
typedef int NMSTATUS_T;

typedef struct _NMUser NMUser;

typedef enum
{
	NMREQUEST_TYPE_LOGIN = 0,
	NMREQUEST_TYPE_LOGOUT,
	NMREQUEST_TYPE_SETSTATUS,
	NMREQUEST_TYPE_GETDETAILS,
	NMREQUEST_TYPE_CREATECONF,
	NMREQUEST_TYPE_SENDMESSAGE,
	NMREQUEST_TYPE_JOINCONF,
	NMREQUEST_TYPE_LEAVECONF,
	NMREQUEST_TYPE_REJECTCONF,
	NMREQUEST_TYPE_SENDTYPING,
	NMREQUEST_TYPE_CREATECONTACT,
	NMREQUEST_TYPE_DELETECONTACT

} NMRequestType;

#include "debug.h"
#include "nmmessage.h"
#include "nmconference.h"
#include "nmcontact.h"
#include "nmuserrecord.h"
#include "nmfield.h"
#include "nmevent.h"

/* Callback typedefs */
typedef void (*nm_response_cb) (NMUser * user, NMERR_T ret_code,
								gpointer resp_data, gpointer user_data);

typedef void (*nm_event_cb) (NMUser * user, NMEvent * event);

#include "nmrequest.h"
#include "nmconn.h"

/* This represents user that we are currently logged in as */
struct _NMUser
{

	char *name;

	NMSTATUS_T status;

	/* A copy of the login response fields */
	NMField *fields;

	/* The user record for this user */
	NMUserRecord *user_record;

	/* Our connection information */
	NMConn *conn;

	/* Our public IP address */
	char *address;

	/* This is the contact list */
	NMFolder *root_folder;

	/* All contacts that we know about hashed by dn */
	GHashTable *contacts;

	/* All user records hashed by dn */
	GHashTable *user_records;

	/* DN lookup */
	GHashTable *display_id_to_dn;

	/* One on one conversations indexed by recipient's dn */
	GSList *conferences;

	guint32 conference_count;

	/* Called when we receive an event */
	nm_event_cb evt_callback;

	/* Privacy settings */
	gboolean privacy_locked;
	gboolean default_deny;
	GSList *allow_list;
	GSList *deny_list;

	/* Pending requests. If we need to go to the server to more info
	 * before processing a request we will queue it up and process when
	 * we get a response
	 */
	GSList *pending_requests;

	/* Pending events. Same as above except for events. */
	GSList *pending_events;

	/* Generic pointer to data needed by the client
	 * using the API
	 */
	gpointer client_data;

	/* Have the privacy lists been synched yet */
	gboolean privacy_synched;

	/* Has the contact list been synched */
	gboolean clist_synched;
};

#define	NM_STATUS_UNKNOWN			0
#define	NM_STATUS_OFFLINE			1
#define NM_STATUS_AVAILABLE			2
#define	NM_STATUS_BUSY				3
#define	NM_STATUS_AWAY				4
#define	NM_STATUS_AWAY_IDLE			5
#define	NM_STATUS_INVALID			6

#define NMERR_BASE							0x2000L
#define NM_OK								0L
#define NMERR_BAD_PARM						(NMERR_BASE + 0x0001)
#define NMERR_TCP_WRITE						(NMERR_BASE + 0x0002)
#define NMERR_TCP_READ						(NMERR_BASE + 0x0003)
#define NMERR_PROTOCOL						(NMERR_BASE + 0x0004)
#define NMERR_SERVER_REDIRECT				(NMERR_BASE + 0x0005)
#define NMERR_CONFERENCE_NOT_FOUND 			(NMERR_BASE + 0x0006)
#define NMERR_CONFERENCE_NOT_INSTANTIATED 	(NMERR_BASE + 0x0007)
#define NMERR_FOLDER_EXISTS					(NMERR_BASE + 0x0008)

/* Errors that are returned from the server */
#define NMERR_SERVER_BASE			 	0xD100L
#define NMERR_ACCESS_DENIED			 	(NMERR_SERVER_BASE + 0x0006)
#define NMERR_NOT_SUPPORTED          	(NMERR_SERVER_BASE + 0x000A)
#define NMERR_PASSWORD_EXPIRED       	(NMERR_SERVER_BASE + 0x000B)
#define NMERR_PASSWORD_INVALID       	(NMERR_SERVER_BASE + 0x000C)
#define NMERR_USER_NOT_FOUND         	(NMERR_SERVER_BASE + 0x000D)
#define NMERR_USER_DISABLED          	(NMERR_SERVER_BASE + 0x0010)
#define NMERR_DIRECTORY_FAILURE      	(NMERR_SERVER_BASE + 0x0011)
#define NMERR_HOST_NOT_FOUND		 	(NMERR_SERVER_BASE + 0x0019)
#define NMERR_ADMIN_LOCKED           	(NMERR_SERVER_BASE + 0x001C)
#define NMERR_DUPLICATE_PARTICIPANT  	(NMERR_SERVER_BASE + 0x001F)
#define NMERR_SERVER_BUSY            	(NMERR_SERVER_BASE + 0x0023)
#define NMERR_OBJECT_NOT_FOUND       	(NMERR_SERVER_BASE + 0x0024)
#define NMERR_DIRECTORY_UPDATE       	(NMERR_SERVER_BASE + 0x0025)
#define NMERR_DUPLICATE_FOLDER       	(NMERR_SERVER_BASE + 0x0026)
#define NMERR_DUPLICATE_CONTACT      	(NMERR_SERVER_BASE + 0x0027)
#define NMERR_USER_NOT_ALLOWED       	(NMERR_SERVER_BASE + 0x0028)
#define NMERR_TOO_MANY_CONTACTS      	(NMERR_SERVER_BASE + 0x0029)
#define NMERR_CONFERENCE_NOT_FOUND_2   	(NMERR_SERVER_BASE + 0x002B)
#define NMERR_TOO_MANY_FOLDERS       	(NMERR_SERVER_BASE + 0x002C)
#define NMERR_SERVER_PROTOCOL        	(NMERR_SERVER_BASE + 0x0030)
#define NMERR_CONVERSATION_INVITE		(NMERR_SERVER_BASE + 0x0035)
#define NMERR_USER_BLOCKED	         	(NMERR_SERVER_BASE + 0x0039)
#define NMERR_MASTER_ARCHIVE_MISSING 	(NMERR_SERVER_BASE + 0x003A)
#define NMERR_PASSWORD_EXPIRED_2     	(NMERR_SERVER_BASE + 0x0042)
#define NMERR_CREDENTIALS_MISSING   	(NMERR_SERVER_BASE + 0x0046)
#define NMERR_AUTHENTICATION_FAILED		(NMERR_SERVER_BASE + 0x0049)
#define NMERR_EVAL_CONNECTION_LIMIT		(NMERR_SERVER_BASE + 0x004A)

/**
 *	Initialize the user that we are going to login to the system as.
 *
 *	@param	name			The userid of the user
 *	@param	server			IP Address of server
 *	@param	port			Port to connect to on the server
 *  @param 	data			Client data to associate with the user
 *	@param	event_callback	Function to call when we receive an event
 *
 *	@return The initialized user object. Must be freed by calling
 *			nm_deinitialize_user
 */
NMUser *nm_initialize_user(const char *name, const char *server, int port,
						   gpointer data, nm_event_cb event_callback);


/**
 *	Free up resources associated with the user object.
 *
 *  @param	user	The user to deinitialize
 */
void nm_deinitialize_user(NMUser * user);

/**
 *	Send a login request to the server.
 *
 *	The response data sent to the callback will be NULL.
 *
 *  @param	user		The User to login -- must be initialized
 *	@param	pwd			The password of the user
 *  @param  my_addr		The address of the client machine
 *  @param	user_agent	String describing the client (eg. "Purple/0.76 (Linux; 2.4.20)")
 *	@param	callback	Function to call when we get the response from the server
 *  @param 	data		User defined data to be passed to the callback function
 *
 *
 *	@return	NM_OK if login is sent successfully, error otherwise.
 */
NMERR_T nm_send_login(NMUser * user, const char *pwd, const char *my_addr,
					  const char *user_agent, nm_response_cb callback,
					  gpointer data);

/**
 *	Send a set status request to the server.
 *
 *	The response data sent to the callback will be NULL.
 *
 *  @param	user		The logged in User
 *	@param	dn			The DN of the user (if known, or NULL if not known)
 *	@param	address		IP Address of server
 *	@param	callback	Function to call when we get the response from the server
 *
 *
 *	@return	NM_OK if successfully sent, error otherwise
 */
NMERR_T nm_send_set_status(NMUser * user, int status, const char *text,
						   const char *auto_resp, nm_response_cb callback,
						   gpointer data);

/**
 *	Send a create conference to the server.
 *
 *	The response data sent to the callback will be NULL.
 *
 *  @param	user			 The logged in User
 *	@param	conference		 Conference to create
 *	@param	add_participants Add participant list on create?
 *	@param	callback		 Function to call when we get the response from the server
 *	@param	data			 User defined data to be passed to the callback function
 *
 *	@return	NM_OK if successfully sent, error otherwise
 */
NMERR_T nm_send_create_conference(NMUser * user, NMConference * conference,
								  nm_response_cb callback, gpointer data);

/**
 *	Tell server we have left the conference.
 *
 *	The response data sent to the callback will be NULL.
 *
 *  @param	user		The logged in User
 *	@param	conference	Conference the user is leaving
 *	@param	callback	Function to call when we get the response from the server
 *	@param	data		User defined data to be passed to the callback function
 *
 *	@return	NM_OK if successfully sent, error otherwise
 */
NMERR_T nm_send_leave_conference(NMUser * user, NMConference * conference,
								 nm_response_cb callback, gpointer data);

/**
 *	Send a join conference request to the server.
 *
 *	The response data sent to the callback will be NULL.
 *
 *  @param	user		The logged in User
 *	@param	conference	Conference the user is joining
 *	@param	callback	Function to call when we get the response from the server
 *	@param	data		User defined data to be passed to the callback function
 *
 *
 *	@return	NM_OK if successfully sent, error otherwise
 */
NMERR_T nm_send_join_conference(NMUser * user, NMConference * conference,
								nm_response_cb callback, gpointer data);

/**
 *	Send a conference reject request to the server.
 *
 *	The response data sent to the callback will be NULL.
 *
 *  @param	user		The logged in User
 *	@param	conference	Conference the user is rejecting
 *	@param	callback	Function to call when we get the response from the server
 *	@param	data		User defined data to be passed to the callback function
 *
 *
 *	@return	NM_OK if successfully sent, error otherwise
 */
NMERR_T nm_send_reject_conference(NMUser * user, NMConference * conference,
								  nm_response_cb callback, gpointer data);


/**
 *	Send a conference invitation to the server.
 *
 *	The response data sent to the callback will be NULL.
 *
 *  @param	user		The logged in User
 *	@param	conference	Conference the user is rejecting
 *  @param  user_record The user to invite
 *  @param  message		The invite message if there is one, NULL otherwise
 *	@param	callback	Function to call when we get the response from the server
 *	@param	data		User defined data to be passed to the callback function
 *
 *
 *	@return	NM_OK if successfully sent, error otherwise
 */
NMERR_T nm_send_conference_invite(NMUser *user, NMConference *conference, NMUserRecord *user_record,
								  const char *message, nm_response_cb callback, gpointer data);

/**
 *	Get details for a more than one user from the server.
 *
 *	The response data sent to the callback will be an NMUserRecord which should be
 *  freed with nm_release_user_record
 *
 *  @param	user		The logged in User
 *	@param	names		Link list of user id's or dn's
 *	@param	callback	Function to call when we get the response from the server
 *	@param	data		User defined data to be passed to the callback function
 *
 *	@return	NM_OK if successfully sent, error otherwise
 */
NMERR_T nm_send_multiple_get_details(NMUser * user, GSList *names,
									 nm_response_cb callback, gpointer data);

/**
 *	Get details for a user from the server.
 *
 *	The response data sent to the callback will be an NMUserRecord which should be
 *  freed with nm_release_user_record
 *
 *  @param	user		The logged in User
 *	@param	name		Userid or DN of the user to look up
 *	@param	callback	Function to call when we get the response from the server
 *	@param	data		User defined data to be passed to the callback function
 *
 *	@return	NM_OK if successfully sent, error otherwise
 */
NMERR_T nm_send_get_details(NMUser * user, const char *name,
							nm_response_cb callback, gpointer data);

/**
 *	Send a message.
 *
 *  The response data sent to the callback will be NULL.
 *
 *  @param	user		The logged in User
 *	@param	message		The message to send.
 *	@param	callback	Function to call when we get the response from the server
 *
 *	@return	NM_OK if successfully sent, error otherwise
 */
NMERR_T nm_send_message(NMUser * user, NMMessage * message,
						nm_response_cb callback);

/**
 *	Sends a typing event to the server.
 *
 *  The response data sent to the callback will be NULL.
 *
 *  @param	user		The logged in User
 *	@param	conf		The conference that corresponds to the typing event
 *	@param	typing		TRUE if the user is typing
 *						FALSE if the user has stopped typing
 *	@param	callback	Function to call when we get the response from the server
 *
 *	@return	NM_OK if successfully sent, error otherwise
 */
NMERR_T nm_send_typing(NMUser * user, NMConference * conf,
					   gboolean typing, nm_response_cb callback);

/**
 *	Send a create contact request to the server.
 *
 *  The given folder should already exist on the server. If not,
 *  the call will fail.
 *
 *  The response data sent to the callback will be a NMContact which should
 *  be released with nm_release_contact
 *
 *  @param	user		The logged in User
 *	@param	folder		The folder that the contact should be created in
 *	@param	contact		The contact to add
 *	@param	callback	Function to call when we get the response from the server
 *	@param	data		User defined data
 *
 *	@return	NM_OK if successfully sent, error otherwise
 */
NMERR_T nm_send_create_contact(NMUser * user, NMFolder * folder,
							   NMContact * contact, nm_response_cb callback,
							   gpointer data);

/**
 *	Send a remove contact request to the server.
 *
 *  The response data sent to the callback will be NULL.
 *
 *  @param	user		The logged in User
 *	@param	folder		The folder to remove contact from
 *	@param	contact		The contact to remove
 *	@param	callback	Function to call when we get the response from the server
 *  @param	data		User defined data
 *
 *	@return	NM_OK if successfully sent, error otherwise
 */
NMERR_T nm_send_remove_contact(NMUser * user, NMFolder * folder,
							   NMContact * contact, nm_response_cb callback,
							   gpointer data);

/**
 *	Send a create folder request to the server.
 *
 *  The response data sent to the callback will be a NMFolder which should be
 *  released with nm_release_folder
 *
 *  @param	user		The logged in User
 *	@param	name		The name of the folder to create
 *	@param	callback	Function to call when we get the response from the server
 *  @param	data		User defined data
 *
 *	@return	NM_OK if successfully sent, error otherwise
 */
NMERR_T nm_send_create_folder(NMUser * user, const char *name,
							  nm_response_cb callback, gpointer data);

/**
 *	Send a delete folder request to the server.
 *
 *  The response data sent to the callback will be NULL.
 *
 *  @param	user		The logged in User
 *	@param	folder		The name of the folder to remove
 *	@param	callback	Function to call when we get the response from the server
 *  @param	data		User defined data
 *
 *	@return	NM_OK if successfully sent, error otherwise
 */
NMERR_T nm_send_remove_folder(NMUser * user, NMFolder * folder,
							  nm_response_cb callback, gpointer data);

/**
 *	Send a rename contact request to the server.
 *
 *	The response data sent to the callback will be NULL.
 *
 *  @param	user		The logged in User
 *	@param	contact		The contact to rename
 *  @param	new_name	The new display name for the contact
 *	@param	callback	Function to call when we get the response from the server
 *  @param	data		User defined data
 *
 *	@return	NM_OK if successfully sent, error otherwise
 */
NMERR_T nm_send_rename_contact(NMUser * user, NMContact * contact,
							   const char *new_name, nm_response_cb callback,
							   gpointer data);

/**
 *	Send a rename folder request to the server.
 *
 *	The response data sent to the callback will be NULL.
 *
 *  @param	user		The logged in User
 *	@param	folder		The folder to rename
 *  @param	new_name	The new name of the folder
 *	@param	callback	Function to call when we get the response from the server
 *  @param	data		User defined data
 *
 *	@return	NM_OK if successfully sent, error otherwise
 */
NMERR_T nm_send_rename_folder(NMUser * user, NMFolder * folder,
							  const char *new_name, nm_response_cb callback,
							  gpointer data);

/**
 *	Send a move contact request to the server.
 *
 *	The response data sent to the callback will be NULL.
 *
 *  @param	user		The logged in User
 *	@param	contact		The contact to move
 *  @param	folder	    The folder to move the contact to
 *	@param	callback	Function to call when we get the response from the server
 *  @param	data		User defined data
 *
 *	@return	NM_OK if successfully sent, error otherwise
 */
NMERR_T nm_send_move_contact(NMUser * user, NMContact * contact,
							 NMFolder * folder, nm_response_cb callback,
							 gpointer data);

/**
 *	Send a get status request to the server.
 *
 * 	The response data sent to the callback will be a NMUserRecord.
 *
 *  @param	user		The logged in User
 *	@param	contact		The contact to move
 *  @param	folder	    The folder to move the contact to
 *	@param	callback	Function to call when we get the response from the server
 *  @param	data		User defined data
 *
 *	@return	NM_OK if successfully sent, error otherwise
 */
NMERR_T nm_send_get_status(NMUser * user, NMUserRecord * user_record,
						   nm_response_cb callback, gpointer data);

/**
 *	Send a request to add an item to the allow or deny list.
 *
 *  @param	user		The logged in User
 *	@param	who			The userid or DN of the user to add to list
 *  @param	allow_list	TRUE if adding to allow list, FALSE if adding to deny list
 *	@param	callback	Function to call when we get the response from the server
 *  @param	data		User defined data
 *
 *	@return	NM_OK if successfully sent, error otherwise
 */
NMERR_T
nm_send_create_privacy_item(NMUser *user, const char *who, gboolean is_allowed,
							nm_response_cb callback, gpointer data);

/**
 *	Send a request to remove an item from the allow or deny list.
 *
 *  @param	user		The logged in User
 *	@param	who			The userid or DN of the user to add to list
 *  @param	allow_list	TRUE if removing from allow list, FALSE if removing from deny list
 *	@param	callback	Function to call when we get the response from the server
 *  @param	data		User defined data
 *
 *	@return	NM_OK if successfully sent, error otherwise
 */
NMERR_T
nm_send_remove_privacy_item(NMUser *user, const char *dn, gboolean allow_list,
							nm_response_cb callback, gpointer data);

/**
 *	Send a request to change the default privacy setting to deny all or allow all
 *
 *  @param	user			The logged in User
 *	@param	default_deny	TRUE if default should be changed to deny all
 *	@param	callback		Function to call when we get the response from the server
 *  @param	data			User defined data
 *
 *	@return	NM_OK if successfully sent, error otherwise
 */
NMERR_T
nm_send_set_privacy_default(NMUser *user, gboolean default_deny,
							nm_response_cb callback, gpointer data);

/**
 *	Send a ping to the server
 *
 *  @param	user			The logged in User
 *	@param	callback		Function to call when we get the response from the server
 *  @param	data			User defined data
 *
 *	@return	NM_OK if successfully sent, error otherwise
 */
NMERR_T
nm_send_keepalive(NMUser *user, nm_response_cb callback, gpointer data);

/**
 *	Reads a response/event from the server and processes it.
 *
 *  @param	user	The logged in User
 */
NMERR_T nm_process_new_data(NMUser * user);

/**
 *	Return the root folder of the contact list
 *
 *  @param	user	The logged in User
 *
 *	@return	Root folder
 */
NMFolder *nm_get_root_folder(NMUser * user);

/**
 *	Create the contact list based on the login fields
 *
 *  @param	user	The logged in User
 *
 */
NMERR_T nm_create_contact_list(NMUser * user);

void nm_destroy_contact_list(NMUser * user);

void nm_user_add_contact(NMUser * user, NMContact * contact);

void nm_user_add_user_record(NMUser * user, NMUserRecord * user_record);

NMContact *nm_find_contact(NMUser * user, const char *dn);

GList *nm_find_contacts(NMUser * user, const char *dn);

NMUserRecord *nm_find_user_record(NMUser * user, const char *dn);

NMFolder *nm_find_folder(NMUser * user, const char *name);

NMFolder *nm_find_folder_by_id(NMUser * user, int object_id);

NMConference *nm_find_conversation(NMUser * user, const char *who);

void nm_conference_list_add(NMUser * user, NMConference * conf);

void nm_conference_list_remove(NMUser * user, NMConference * conf);

void nm_conference_list_free(NMUser * user);

NMConference *nm_conference_list_find(NMUser * user, const char *guid);

const char *nm_lookup_dn(NMUser * user, const char *display_id);

nm_event_cb nm_user_get_event_callback(NMUser * user);

NMConn *nm_user_get_conn(NMUser * user);

gboolean nm_user_is_privacy_locked(NMUser *user);

/** Some utility functions **/

/**
 * Check to see if the conference GUIDs are equivalent.
 *
 * @param guid1	First guid to compare
 * @param guid2 Second guid to compare
 *
 * @return 		TRUE if conference GUIDs are equivalent, FALSE otherwise.
 *
 */
gboolean nm_are_guids_equal(const char *guid1, const char *guid2);

/**
 * Compare UTF8 strings for equality only (case insensitive)
 *
 * @param guid1	First string to compare
 * @param guid2 Second string to compare
 *
 * @return 		TRUE if strings are equal, FALSE otherwise
 *
 */
gboolean nm_utf8_str_equal(gconstpointer str1, gconstpointer str2);

/**
 * Convert a fully typed LDAP DN to dotted, untype notation
 * e.g. cn=mike,o=novell -> mike.novell
 *
 * @param typed	Fully typed dn
 *
 * @return 		Dotted equivalent of typed (must be freed).
 *
 */
char *nm_typed_to_dotted(const char *typed);

/**
 *      Return a string representation of the error code.
 *
 *      @param  error           NMERR_T to convert to string
 *
 *      @return String representation.
 */
const char *nm_error_to_string (NMERR_T err);

#endif