using DOAN.Model.MES.order;
using Infrastructure.Attribute;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using DOAN.Service.MES.SmartScreen.Order.IService;
using DOAN.Model.MES.order.Dto;
using MathNet.Numerics.Distributions;
using NPOI.SS.Formula.Functions;
using DOAN.Model.MES.SmartScreen.Order.Dto;
using DOAN.Model.MES.product;
using DOAN.Model.MES.base_;

namespace DOAN.Service.MES.SmartScreen.Order
{
    /// <summary>
    /// 采购订单Service业务层处理
    /// </summary>
    [AppService(ServiceType = typeof(IOrderSmartService), ServiceLifetime = LifeTime.Transient)]

	public class OrderSmartService : BaseService<OrderPurchase>, IOrderSmartService
	{
		public LargeScreenOrderDto GetLargeScreenOrder()
		{
			// 当前日期
			DateTime now = DateTime.Now;
			// 当前月份的第一天 00:00:00
			DateTime firstDayOfMonth = new DateTime(now.Year, now.Month, 1);
			// 当前月份的最后一天 23:59:59
			DateTime lastDayOfMonth = new DateTime(now.Year, now.Month, 1)
				.AddMonths(1)
				.AddSeconds(-1);
			var response = Queryable().ToList();
			LargeScreenOrderDto largeScreenOrderDto = new LargeScreenOrderDto();
			largeScreenOrderDto.OrderTotalNum = response.Count;
			largeScreenOrderDto.IncompleteOrderNum = response.Where(o=>o.Orderindicator!=1).Count();
			largeScreenOrderDto.CompletedOrderNum = response.Where(o => o.Orderindicator == 1).Count();
			largeScreenOrderDto.MonthOrderTotalNum = response.Where(o=>o.DeliveryDate>= firstDayOfMonth&&o.DeliveryDate <= lastDayOfMonth).Count();
			largeScreenOrderDto.MonthIncompleteOrderNum = response.Where(o => o.DeliveryDate >= firstDayOfMonth && o.DeliveryDate <= lastDayOfMonth && o.Orderindicator !=1).Count();
			largeScreenOrderDto.MonthCompletedOrderNum = response.Where(o => o.DeliveryDate >= firstDayOfMonth && o.DeliveryDate <= lastDayOfMonth && o.Orderindicator == 1).Count();
			return largeScreenOrderDto;
		}

	

		public List<OrderProgressDto> GetOrderProgress()
		{
			var mainQuery = Queryable()
				// 使用链式 Join 并明确指定别名和关联条件
				.InnerJoin<ProWorkorder>((order, pw) => order.OrderNoMes == pw.CustomerOrder)
				.InnerJoin<ProReportwork>((order, pw, pr) => pw.Workorder == pr.FkWorkorder)
				.InnerJoin<BaseWorkProcesses>((order, pw, pr, bp) => pr.ProcessId == bp.Id)
				// 按订单号分组
				.GroupBy((order, pw, pr, bp) => order.OrderNoMes)
				// 主查询字段选择
				.Select((order, pw, pr, bp) => new OrderProgressDto
				{
					OrderNo = order.OrderNoMes,
					MaterialName = order.MaterialName,
					PlanNum = order.DemandQuantity,
					// 保留子查询占位符，后续通过 SplitTable 填充
					productionProcesses = new List<ProductionProcesses>()
				});

			// 子查询（获取工序明细）
			var subQuery = Queryable()
				.InnerJoin<ProWorkorder>((order, pw) => order.OrderNoMes == pw.CustomerOrder)
				.InnerJoin<ProReportwork>((order, pw, pr) => pw.Workorder == pr.FkWorkorder)
				.InnerJoin<BaseWorkProcesses>((order, pw, pr, bp) => pr.ProcessId == bp.Id)
				.Select((order, pw, pr, bp) => new ProductionProcesses
				{
					OrderNo = order.OrderNoMes, // 必须包含关联字段
					ProcessName = bp.Name,
					Num = pr.FinishedNum
				});
			// 使用 Mapper 进行结果合并
			var result = mainQuery.MergeTable() // 合并主查询
					   .Mapper(mainResult =>
					   {
						   // 根据 OrderNo 关联子查询
						   mainResult.productionProcesses = subQuery
							   .Where(sub => sub.OrderNo == mainResult.OrderNo)
							   .ToList();
					   }).ToList();

			return result;
		}
	}
}