using System;

namespace DeviceService.Core
{
    /// <summary>
    /// 设备状态
    /// </summary>
    public enum DeviceStatus
    {
        Ready = 0,
        Idle = 1,
        Busy = 2,
        Error = 3,
    }

    /// <summary>
    /// 设备访问类型
    /// </summary>
    public enum AccessType
    {
        Share = 0,
        Exclusive = 1
    }

    public interface IDevice
    {
        /// <summary>数据库自增主键（Config\Devices.db 的 Device.Id），0 表示尚未入库。</summary>
        long Id { get; }

        string DeviceId { get; }
        string Type { get; }
        string Brand { get; }
        string ConnectStr { get; }

        DeviceStatus Status { get; }

        AccessType AccessType { get; }

        bool Init(out string msg);

        bool Open(out string msg);
        bool Close(out string msg);

        ResponseData HandleRequest(RequestData req);
    }
}