//
// TuyaSmartSingleTransfer.h
// TuyaSmartDeviceCoreKit
//
// Copyright (c) 2014-2021 Tuya Inc. (https://developer.tuya.com)

#import <Foundation/Foundation.h>

typedef NS_ENUM(NSUInteger, TuyaSmartTransferState) {
    TuyaSmartTransferConnected = 1, // Connected
    TuyaSmartTransferDisconnected, // Disconnected
};

@class TuyaSmartSingleTransfer;
@protocol TuyaSmartTransferDelegate<NSObject>

/// When the connection state changes, the delegate will execute.
/// @param transfer transfer.
/// @param state TuyaSmartTransferState.
- (void)transfer:(TuyaSmartSingleTransfer *)transfer didUpdateConnectState:(TuyaSmartTransferState)state;

/// When received device data, the delegate will execute.
/// @param transfer transfer.
/// @param devId Device Id.
/// @param data Received Data.
- (void)transfer:(TuyaSmartSingleTransfer *)transfer didReciveDataWithDevId:(NSString *)devId data:(NSData *)data;

@end

__deprecated_msg("The channel already merged. We will provide new way to support it.") @interface TuyaSmartSingleTransfer : NSObject

@property (nonatomic, weak) id<TuyaSmartTransferDelegate> delegate;

#if TARGET_OS_IOS

/// Start Connect.
- (void)startConnect;

/// The connection state.
/// @return Connection Result.
- (BOOL)isConnected;

/// Close the channel; Because of channel merging, it will not be closed because it will affect the normal device subscription process.
- (void)close __deprecated_msg("will remove it");;

/// Subscribe device.
/// @param devId The device ID.
- (void)subscribeDeviceWithDevId:(NSString *)devId;

/// Unsubscribe device.
/// @param devId The device ID.
- (void)unsubscribeDeviceWithDevId:(NSString *)devId;

#endif

@end