//
//  SellyRTCP2pStats.h
//  SellyCloudSDK
//
//  Created by Caleb on 10/11/25.
//

#import <Foundation/Foundation.h>

NS_ASSUME_NONNULL_BEGIN

@interface SellyRTCP2pStats : NSObject
/// 基本

/// 传输（ICE/DTLS）
@property(nonatomic, assign) double     transportRttMs;    // candidate-pair.currentRoundTripTime * 1000
@property(nonatomic, copy, nullable) NSString *relayProtocol; // udp/tcp/tls（TURN时可见）
@property(nonatomic, copy) NSString *audioCodec;
@property(nonatomic, copy) NSString *videoCodec;

/// 媒体累计字节
@property(nonatomic, assign) uint64_t   txAudioBytes;
@property(nonatomic, assign) uint64_t   txVideoBytes;
@property(nonatomic, assign) uint64_t   rxAudioBytes;
@property(nonatomic, assign) uint64_t   rxVideoBytes;
@property(nonatomic, assign, readonly) uint64_t txBytes;   // 汇总
@property(nonatomic, assign, readonly) uint64_t rxBytes;

/// 视频信息（能拿到就填）
@property(nonatomic, assign) double     sentFps;
@property(nonatomic, assign) NSInteger  sentWidth;
@property(nonatomic, assign) NSInteger  sentHeight;
@property(nonatomic, assign) double     recvFps;
@property(nonatomic, assign) NSInteger  recvWidth;
@property(nonatomic, assign) NSInteger  recvHeight;

/// —— 新增：瞬时 Kbps（由 Helper 用“前一帧”差分计算）——
@property(nonatomic, assign) double     txAudioKbps;       // 本次 - 上次 bytes / Δt
@property(nonatomic, assign) double     txVideoKbps;
@property(nonatomic, assign) double     rxAudioKbps;
@property(nonatomic, assign) double     rxVideoKbps;
@property(nonatomic, assign) double     txKbps;            // = txAudioKbps + txVideoKbps
@property(nonatomic, assign) double     rxKbps;            // = rxAudioKbps + rxVideoKbps

/// 时间戳（内部用）
@property(nonatomic, assign) NSTimeInterval intervalMs;    // 与上次快照的间隔（毫秒），首帧为 0
@end

NS_ASSUME_NONNULL_END