using System;

namespace LocalhostMES.Core
{
    [Flags]
    public enum MesDataScope
    {
        None = 0,
        WorkOrder = 1 << 0,
        Sn = 1 << 1,
        KeyPart = 1 << 2,
        ParkingLot = 1 << 3,
        BindRecord = 1 << 4,
        ProcessRecord = 1 << 5
    }

    public sealed class MesDataChangedEventArgs : EventArgs
    {
        public MesDataChangedEventArgs(MesDataScope scope)
        {
            Scope = scope;
        }

        public MesDataScope Scope { get; }

        public bool Has(MesDataScope target) => (Scope & target) == target;
    }

    /// <summary>
    /// 统一的数据变更通知入口，供各业务写库后广播，界面按需订阅刷新。
    /// </summary>
    public static class MesDataChangedNotifier
    {
        public static event EventHandler<MesDataChangedEventArgs> Changed;

        public static void Raise(MesDataScope scope)
        {
            if (scope == MesDataScope.None)
            {
                return;
            }

            Changed?.Invoke(null, new MesDataChangedEventArgs(scope));
        }
    }
}