using System;
using System.Collections.Generic;
using System.Linq;
using WCS.Core;
using WCS.Entity;

namespace WCS.Service.Handlers
{
    /// <summary>
    /// 设备工作器
    /// </summary>
    /// <typeparam name="T"></typeparam>
    public abstract class DeviceWork<T> : Work<T> where T : EntityEx<WCS_DEVICE>
    {
        private readonly string[] _typenames;

        protected DeviceWork()
        {
            _typenames = typeof(T).GenericTypeArguments.Select(v => v.AssemblyQualifiedName).ToArray();
        }

        protected abstract override void Do(T obj);

        protected override sealed IEnumerable<T> InitObjects()
        {
            var arr = Device.Where(v => v.ENABLED && v.DEVICEPROTOCOLS.All(d => d.ENABLED && d.DB.ENABLED && d.DB.PLC.ENABLED))
                .Where(v => _typenames.All(d => v.DEVICEPROTOCOLS.Any(e => e.DB.PROTOCOL == d)))
                .Where(SelectDevice).ToArray();
            var res = arr.Select(v => Activator.CreateInstance(typeof(T), v) as T);

            return res;
        }
    }
}