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

namespace WCS.Service.Extensions
{
    /// <summary>
    /// 任务扩展
    /// </summary>
    public static class TaskExtension
    {
        public static T Create<T>(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 List<WCS_TASK> GetOutTask(this List<WCS_TASK> tasks)
        {
            var taskids = tasks.Select(v => Create<Task>(v))
                               .OrderBy(v => v.Line)
                               .ThenBy(v => v.Layer)
                               .ThenBy(v => v.Col)
                               .Take(2)
                               .DistinctBy(v => v.Col)
                               .Select(v => v.ID);
            return tasks.Where(v => taskids.Contains(v.ID)).DistinctBy(v => v.SRMSTATION).ToList();
        }
    }

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