using Prism.Mvvm;

namespace UIShare.UIViewModel
{
    /// <summary>
    /// VISA 连接配置（与 DeviceCommand.Base.Visa 保持字段一致）。
    /// <para>VISA 通过统一资源字符串寻址，无需区分 IP/端口，例如
    /// TCPIP0::192.168.20.125::inst0::INSTR、USB0::0x0699::0x0408::C012345::INSTR。</para>
    /// </summary>
    public class VisaConfigVM : BindableBase
    {
        private string _resourceName = "TCPIP0::127.0.0.1::inst0::INSTR";
        /// <summary>VISA 资源字符串（TCPIP / USB / GPIB / ASRL 等统一寻址）。</summary>
        public string ResourceName
        {
            get => _resourceName;
            set => SetProperty(ref _resourceName, value);
        }

        private int _openTimeout = 3000;
        /// <summary>打开会话超时（毫秒）。</summary>
        public int OpenTimeout
        {
            get => _openTimeout;
            set => SetProperty(ref _openTimeout, value);
        }

        private int _ioTimeout = 3000;
        /// <summary>读写 I/O 超时（毫秒）。</summary>
        public int IOTimeout
        {
            get => _ioTimeout;
            set => SetProperty(ref _ioTimeout, value);
        }

        public VisaConfigVM() { }

        /// <summary>拷贝构造，用于对话框编辑副本。</summary>
        public VisaConfigVM(VisaConfigVM? src)
        {
            if (src == null) return;
            ResourceName = src.ResourceName;
            OpenTimeout = src.OpenTimeout;
            IOTimeout = src.IOTimeout;
        }

        /// <summary>把字段拷回目标对象（保存时用）。</summary>
        public void CopyTo(VisaConfigVM? dst)
        {
            if (dst == null) return;
            dst.ResourceName = ResourceName;
            dst.OpenTimeout = OpenTimeout;
            dst.IOTimeout = IOTimeout;
        }
    }
}