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************************************************************************/
/*************************************************
  File name     : mtc_api.h
  Module        : multimedia talk client
  Author        : Young
  Created on    : 2015-01-14
  Description   :
      Function and notification declare required by mtc api
 
  Modify History:
  1. Date:        Author:         Modification:
*************************************************/

#import <Foundation/Foundation.h>
#import "mtc_def.h"

/**
 * @file mtc_api.h
 * @brief MTC api Interface Functions
 *
 */

/**
 * @defgroup MtcApiNotification Notification of login and logout event.
 * @{
 */

/**
 * @brief Posted when invoke Mtc_Login and login successfully.
 *
 * The pcInfo of this notification is ZNULL.
 */
#define MtcLoginOkNotification "MtcLoginOkNotification"

/**
 * @brief Posted when invoke Mtc_Login but login unsuccessfully.
 *
 * The pcInfo of this notification contains @ref MtcCliStatusCodeKey
 * reflecting failed reason.
 */
#define MtcLoginDidFailNotification "MtcLoginDidFailNotification"

/**
 * @brief Posted when invoke Mtc_Logout and logout successfully. The logout
 * action was requested by user.
 *
 * The pcInfo of this notification contains @ref MtcCliStatusCodeKey
 * reflecting response code from server.
 */
#define MtcDidLogoutNotification "MtcDidLogoutNotification"

/**
 * @brief Posted when client receives the message which indicates
 * the registration was invalid.
 *
 * The pcInfo of this notification contains @ref MtcCliStatusCodeKey
 * reflecting detail information from server.
 */
#define MtcLogoutedNotification "MtcLogoutedNotification"
/** @} */

/**
 * @brief A key whose value is a string of the server address.
 */
#define MtcNetworkAddressKey "MtcNetworkAddressKey"
#define MtcEntryAddressKey "MtcEntryAddressKey"
#define MtcPasswordKey "MtcPasswordKey"
#define MtcDeviceIdKey "MtcDeviceIdKey"
#define MtcIdTypeKey "MtcIdTypeKey"
#define MtcAppKey "MtcAppKey"
#define MtcAsyncDnsKey "MtcAsyncDnsKey"
#define MtcPathAlgoTypeKey "MtcPathAlgoTypeKey"
#define MtcFirstConnTypeKey "MtcFirstConnTypeKey"
#define MtcForceLoginKey "MtcForceLoginKey"

#ifdef __cplusplus
EXPORT_FLAG {
#endif

/**
 * @brief Initialize Resource.
 *
 * @retval ZOK Initialize resource successfully.
 * @retval ZFAILED Initialize resource failed.
 *
 * @see @ref Mtc_Destroy
 */
ZINT Mtc_Init(ZFUNC_VOID);

/**
 * @brief Destroy Resource.
 *
 * @see @ref Mtc_Init
 */
ZVOID Mtc_Destroy(ZFUNC_VOID);

/**
 * @brief Start to Login.
 *
 * @param [in] pcAccount The account what you want to login.
 * @param [in] info The configration info such as server address, you can 
 * ceate a dictionary by use MtcEntryAddressKey.
 *
 * If login successfully, Login result is notified by the notification which
 * is MtcLoginOkNotification. Otherwise, login failed and login result is 
 * notified by the notification which is MtcLoginDidFailNotification.
 * You can register these notification and do something in the notification
 * callbacks, such as alert user the login result.
 *
 * @retval ZOK Login successfully.
 * @retval ZFAILED Login failed.
 *
 * @see @ref Mtc_Logout @ref Mtc_LoginPassword
 */
ZINT Mtc_Login(ZCONST ZCHAR *pcAccount, NSDictionary *info);

/**
 * @brief Start to Logout.
 *
 * If the return value returns ZOK, Logout result is notified by the
 * notification which is MtcDidLogoutNotification. You can register the 
 * notification and do something in the notification callbacks,
 * such as alert user already logouted.
 *
 * And also you should register the MtcLogoutedNotification and do something 
 * in the notification callbacks. Such as when your account login another
 * device, the MtcLogoutedNotification will be notified.
 *
 * @retval ZOK Logout successfully.
 * @retval ZFAILED Logout failed.
 *
 * @see @ref Mtc_Login @ref Mtc_LoginPassword
 */
ZINT Mtc_Logout(ZFUNC_VOID);

#ifdef __cplusplus
}
#endif