using System;
using CommunityToolkit.Mvvm.ComponentModel;

namespace Plugin.DeviceConfig.Entity
{
    /// <summary>
    /// 设备种类枚举
    /// </summary>
    public enum DeviceKind
    {
        PowerSupply,
        CanDevice,
        PlcDevice,
        Chamber,
        DAQ
    }

    /// <summary>
    /// V3.0 执行位置枚举：Local=进程独占直连；Broker=跨进程共享，由 DeviceBroker 宿主代理
    /// </summary>
    public enum ExecutionModeKind
    {
        Local,
        Broker
    }

    /// <summary>
    /// 传输方式枚举
    /// </summary>
    public enum TransportType
    {
        Tcp,
        Serial,
        Visa,
        SDK,
        Can
    }

    /// <summary>
    /// 设备定义实体
    /// </summary>
    public partial class DeviceDefinition : ObservableObject
    {
        /// <summary>
        /// 无参构造函数（用于数据绑定）
        /// </summary>
        public DeviceDefinition() { }

        /// <summary>
        /// 设备唯一标识（主键）
        /// </summary>
        [ObservableProperty]
        private string deviceId = string.Empty;

        /// <summary>
        /// 设备种类: PowerSupply / CanDevice / PlcDevice / Chamber / DAQ
        /// </summary>
        [ObservableProperty]
        private DeviceKind kind;

        /// <summary>
        /// 驱动类型名称
        /// </summary>
        [ObservableProperty]
        private string driverType = string.Empty;

        /// <summary>
        /// 传输方式: Tcp / Serial / Visa / SDK
        /// </summary>
        [ObservableProperty]
        private TransportType transport;

        /// <summary>
        /// 连接端点（IP:Port 或 COM口）
        /// </summary>
        [ObservableProperty]
        private string endpoint = string.Empty;

        /// <summary>
        /// 执行位置: Local / Broker（V3.0 §05，默认 Local）
        /// </summary>
        [ObservableProperty]
        private ExecutionModeKind executionMode = ExecutionModeKind.Local;

        /// <summary>
        /// 仲裁域标识（必填，候选值由配置枚举；同一 PhysicalSessionKey 只能归属一个仲裁域宿主）
        /// </summary>
        [ObservableProperty]
        private string authorityId = string.Empty;

        /// <summary>
        /// Broker 宿主标识（仅 Broker 模式；须与仲裁域一致）
        /// </summary>
        [ObservableProperty]
        private string brokerId = string.Empty;

        /// <summary>
        /// Broker 宿主进程号（仅 Broker 记录用，运行期以 Broker 实际 PID 为准；MVP 占位当前进程）
        /// </summary>
        [ObservableProperty]
        private string ownerProcessId = string.Empty;

        /// <summary>
        /// 物理会话键（仅 Broker；地址规范化后的固定字符串，如 can/CAN_BUS_1/main）
        /// </summary>
        [ObservableProperty]
        private string physicalSessionKey = string.Empty;

        /// <summary>
        /// 访问控制策略：只读派生，不可手工编辑（V3.0 §05）
        /// </summary>
        public string AccessPolicy => ExecutionMode switch
        {
            ExecutionModeKind.Broker => "共享仲裁 · Broker SessionGate 代理",
            _ => "独占直连 · 本进程持有物理会话"
        };

        /// <summary>
        /// 生效版本号
        /// </summary>
        [ObservableProperty]
        private string effectiveVersion = string.Empty;

        /// <summary>
        /// 创建时间
        /// </summary>
        [ObservableProperty]
        private DateTime createdAt = DateTime.Now;

        /// <summary>
        /// 更新时间
        /// </summary>
        [ObservableProperty]
        private DateTime updatedAt = DateTime.Now;
    }
}