using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace AIK.Common.Enum
{
    /// <summary>
    /// USB协议流转小阶段
    /// </summary>
    public enum TransferPhase
    {
        Idle,
        Phase1_SendingHeader,          // 发送头帧
        Phase2_WaitingForHeaderAck,    // 等待头帧确认
        Phase3_SendingDataFrames,      // 发送数据帧
        Phase4_WaitingForDataFrameAck, // 等待数据帧确认
        Phase5_WaitingForFinalDataAck, // 等待最后一个数据帧确认
        Phase6_SendingEOT,             // 发送 EOT
        Phase7_WaitingForNak,          // 等待 NAK
        Phase8_SendingFinalEOT,        // 发送最终 EOT
        Phase9_WaitingForAckc,         // 等待 ACKC
        Phase10_SendEndFrame,          // 发送结束帧
        Phase11_WaitingForComplete,    // 等待最终确认
        Completed
    }
    public enum ResponseType
    {
        ReadyForData,
        Nak,
        Ackc,
        Unknown
    }
    /// <summary>
    /// 连接流程大阶段（每个大阶段都会走完小阶段）
    /// </summary>
    public enum BigTransferPhase
    {
        None,
        Phase1_Connect,    // 大阶段1：设备连接（含初始化/校验）
        Phase2_Generate,   // 大阶段2：数据生成（遥控生成）
        Phase3_Write,       // 大阶段3：数据写入（将生成的数据写入设备）
    }
    public record HidResponseReceivedEventArgs(byte[] Data);
    public record HidLogMessageEventArgs(string Message, bool IsError = false);

    public class BigPhaseChangedEventArgs : EventArgs
    {
        public BigTransferPhase CurrentPhase { get; }
        public BigTransferPhase PreviousPhase { get; }
        public int CompletedPhases { get; }
        public int TotalPhases { get; }

        public BigPhaseChangedEventArgs(BigTransferPhase current, BigTransferPhase previous, int completed, int total)
        {
            CurrentPhase = current;
            PreviousPhase = previous;
            CompletedPhases = completed;
            TotalPhases = total;
        }
    }

}