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

namespace WCS.Service.Extensions
{
    /// <summary>
    /// 任务扩展
    /// </summary>
    public static class TaskExtension
    {
        public static T Create<T>(this WCS_TASK source)
        {
            return (T)Activator.CreateInstance(typeof(T), source);
        }

        /// <summary>
        /// 获取可用的出库任务
        /// </summary>
        /// <param name="tasks"></param>
        /// <returns></returns>
        public static Task[] GetOutTask(this List<WCS_TASK> tasks)
        {
            return tasks.Select(v => v.Create<Task>())
                        .OrderBy(v => v.Priority)
                        .ThenBy(v => v.Line)
                        .ThenBy(v => v.Layer)
                        .ThenBy(v => v.Col)
                        .Take(2)
                        .DistinctBy(v => v.Col)
                        .OrderBy(v => v.Col)
                        .ToArray();
        }

        /// <summary>
        /// 获取出库任务的站台号及下一个地址
        /// </summary>
        /// <param name="task">任务</param>
        /// <param name="srmFork">货叉</param>
        public static void GetSrmStationAndaddNext(this WCS_TASK task, SrmFork srmFork)
        {
            //取任务巷道到达目标地址的下一个地址，即任务堆垛机的站台对应的设备组
            var stations = Device.Where(v => v.DEVICEGROUP.Any(p => p.MEMBER == Device.Find(task.TUNNEL).GetPath(task.ADDRTO.Replace("G", ""))))
                                 .Select(v => v.Create<StationDeviceGroup>())
                                 .FirstOrDefault().Items
                                 .OrderByDescending(v => v.Entity.CODE)
                                 .ToArray();
            //一工位放较大的站台号
            switch (srmFork)
            {
                case SrmFork.货叉1:
                    task.SRMSTATION = stations[0].Entity.CODE;
                    task.ADDRNEXT = stations[0].Entity.GetPath(task.ADDRTO).CODE;
                    break;

                case SrmFork.货叉2:
                    task.SRMSTATION = stations[1].Entity.CODE;
                    task.ADDRNEXT = stations[1].Entity.GetPath(task.ADDRTO).CODE;
                    break;
            }
        }
    }

    public enum SrmIndex
    {
        工位一 = 0,
        工位二 = 1,
    }

    public class Task : WCS_TASK
    {
        /// <summary>
        /// 行
        /// </summary>
        public short Line { get; set; }

        /// <summary>
        /// 列
        /// </summary>
        public short Col { get; set; }

        /// <summary>
        /// 层
        /// </summary>
        public short Layer { get; set; }

        public Task(WCS_TASK task)
        {
            var addrFrom = task.ADDRFROM.Split("-");
            ADDRTO = task.ADDRTO;
            TUNNEL = task.TUNNEL;
            DEVICE = task.DEVICE;
            Priority = task.Priority;

            ID = task.ID;
            Line = addrFrom[0].ToShort();
            Col = addrFrom[1].ToShort();
            Layer = addrFrom[2].ToShort();
        }
    }
}