using Business.Core.Utilities;
using Business.Domain;
using Business.Dto;
using Business.EntityFrameworkCore.SqlRepositories;
using Business.StructuredDB.WMS;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Volo.Abp.Application.Services;
using Volo.Abp.DependencyInjection;
using Volo.Abp.Domain.Repositories;
using Volo.Abp.MultiTenancy;
using Volo.Abp.Uow;
using IUnitOfWorkManager = Volo.Abp.Uow.IUnitOfWorkManager;

namespace Business.DOP
{
    //DOP
    public class SyncDOPAppService : ApplicationService, ISyncDOPAppService, ITransientDependency
    {
        #region 服务
        /// <summary>
        /// 平台规格型号对照表
        /// </summary>
        private readonly IRepository<WMS_PlatformSpecificationComparison, long> _PlatformSpecificationComparison;
        /// <summary>
        /// 平台库存表
        /// </summary>
        private readonly IRepository<WMS_PlatformInventory, long> _PlatformInventory;

        /// <summary>
        /// SAP库存表
        /// </summary>
        private readonly ISqlRepository<SAPInv> _sapInvRepository;

        /// <summary>
        /// SAP库存表
        /// </summary>
        private readonly ISqlRepository<ItemMaster> _itemMasterRepository;

        /// <summary>
        /// 国内终端预测
        /// </summary>
        private IRepository<DomesticTerminalFcst, long> _domesticTerminalFcst;

        /// <summary>
        /// 海外销售预测
        /// </summary>
        private IRepository<OverseasSaleFcst, long> _overseasSaleFcst;

        /// <summary>
        /// 标准物料规格型号设置表
        /// </summary>
        private IRepository<StandardItemModelSet, long> _standardItemModelSet;

        private IRepository<PlatStockMonitorSetting, long> _platStockMonitorSetting;

        private IRepository<YearDemandManagement, long> _yearDemandManagement;

        private IRepository<ic_item, long> _ic_item;

        /// <summary>
        /// 平台预测收集
        /// </summary>
        private IRepository<PlatformFcstCollect, long> _platformFcstCollect;
        /// <summary>
        /// 节假日记录表
        /// </summary>
        private ISqlRepository<HolidayMaster> _holidayMaster;

        /// <summary>
        ///  雪花算法
        /// </summary>
        SnowFlake snowFlake = new SnowFlake();
        /// <summary>
        /// 事务
        /// </summary>
        private readonly IUnitOfWorkManager _unitOfWorkManager;

        private readonly ICurrentTenant _currentTenant;
        #endregion
        #region 构造函数
        /// <summary>
        /// 构造函数
        /// </summary>
        public SyncDOPAppService(
            IRepository<WMS_PlatformSpecificationComparison, long> PlatformSpecificationComparison,
            IRepository<WMS_PlatformInventory, long> PlatformInventory,
            ISqlRepository<SAPInv> sapInvRepository,
            IRepository<DomesticTerminalFcst, long> domesticTerminalFcst,
            IRepository<OverseasSaleFcst, long> overseasSaleFcst,
            IRepository<StandardItemModelSet, long> standardItemModelSet,
            ISqlRepository<ItemMaster> itemMasterRepository,
            IRepository<PlatStockMonitorSetting, long> platStockMonitorSetting,
            IRepository<YearDemandManagement, long> yearDemandManagement,
            IRepository<PlatformFcstCollect, long> platformFcstCollect,
            ISqlRepository<HolidayMaster> holidayMaster,
            IRepository<ic_item, long> ic_item,
            IUnitOfWorkManager unitOfWorkManager,
            ICurrentTenant currentTenant
            )
        {
            _PlatformSpecificationComparison = PlatformSpecificationComparison;
            _PlatformInventory = PlatformInventory;
            _sapInvRepository = sapInvRepository;
            _domesticTerminalFcst = domesticTerminalFcst;
            _overseasSaleFcst = overseasSaleFcst;
            _standardItemModelSet = standardItemModelSet;
            _itemMasterRepository = itemMasterRepository;
            _platStockMonitorSetting = platStockMonitorSetting;
            _yearDemandManagement=yearDemandManagement;
            _holidayMaster = holidayMaster;
            _platformFcstCollect = platformFcstCollect;
            _ic_item = ic_item;
            _currentTenant = currentTenant;
            _unitOfWorkManager = unitOfWorkManager;
        }
        #endregion
        /// <summary>
        /// 海王平台成品监控
        /// </summary>
        /// <returns></returns>
        /// <exception cref="NotImplementedException"></exception>
        public async Task<string> SyncPlatformFinishedProductMonitoringHW(List<PlatformInventoryDto> platformInventoryDtoList)
        {
            var ret = SavePlatformFinishedProductMonitoringAsync(platformInventoryDtoList, 1);
            return await ret;
        }
        /// <summary>
        /// 国科平台成品监控
        /// </summary>
        /// <returns></returns>
        /// <exception cref="NotImplementedException"></exception>
        public async Task<string> SyncPlatformFinishedProductMonitoringGK(List<PlatformInventoryDto> platformInventoryDtoList)
        {
            var ret = SavePlatformFinishedProductMonitoringAsync(platformInventoryDtoList, 2);
            return await ret;
        }
        /// <summary>
        /// 保存库存信息
        /// </summary>
        /// <param name="platformInventoryDtoList"></param>
        /// <param name="type">1海王，2国科</param>
        public async Task<string> SavePlatformFinishedProductMonitoringAsync(List<PlatformInventoryDto> platformInventoryDtoList, int type)
        {
            if (platformInventoryDtoList.Count == 0)
            {
                return JsonConvert.SerializeObject("成品库存为空！");
            }
            List<WMS_PlatformInventory> platformInventoryInsert = new List<WMS_PlatformInventory>();
            List<WMS_PlatformInventory> platformInventoryDel;
            if (type == 1)
            {
                platformInventoryDel = _PlatformInventory.GetListAsync(x => x.Code == "HW0001").Result;
            }
            else
            {
                platformInventoryDel = _PlatformInventory.GetListAsync(x => x.Code == "HW0002").Result;
            }
            foreach (var item in platformInventoryDtoList)
            {
                WMS_PlatformInventory platformInventory = new WMS_PlatformInventory();
                platformInventory.GenerateNewId(snowFlake.NextId());
                platformInventory.Location = item.Location;
                platformInventory.SpecificationModel = item.SpecificationModel;
                platformInventory.BatchNumber = item.BatchNumber;
                platformInventory.InventoryQuantity = item.InventoryQuantity.GetValueOrDefault();
                platformInventory.PeriodOfValidity = item.PeriodOfValidity.GetValueOrDefault();
                if (type == 1)
                {
                    platformInventory.Code = "HW0001";
                }
                else
                {
                    platformInventory.Code = "GK0001";
                }
                platformInventoryInsert.Add(platformInventory);
            }
            using (var unitOfWork = _unitOfWorkManager.Begin(false, true))
            {
                try
                {
                    //先删后插
                    await _PlatformInventory.DeleteManyAsync(platformInventoryDel);
                    await _PlatformInventory.InsertManyAsync(platformInventoryInsert);

                    await unitOfWork.CompleteAsync();
                }
                catch (Exception e)
                {
                    new NLogHelper("SyncDOPAppService").WriteLog("PlatformFinishedProductMonitoringAsyncMerge", "接口异常：" + e.Message);
                    unitOfWork.Dispose();
                    return JsonConvert.SerializeObject(e.Message);
                }
            }
            return JsonConvert.SerializeObject("ok");
        }

        /// <summary>
        /// 库存监控数据报表接口
        /// </summary>
        /// <returns></returns>
        public async Task<string> InventoryMonitoring(InputDto input)
        {
            List<InventoryMonitoringDto> inventoryMonitoringDtos= new List<InventoryMonitoringDto>();
            var ItemModelSetList = _standardItemModelSet.GetListAsync(a => a.tenant_id == input.tenant_id && a.company_id == input.company_id && !a.IsDeleted).Result;
            if (ItemModelSetList == null)
            {
                new NLogHelper("SyncDOPAppService").WriteLog("InventoryMonitoring", "库存数据不存在", _currentTenant.Id.ToString());
                //throw new NotImplementedException("订单数据不存在！");
                return "库存数据不存在";
            }
            ItemModelSetList.ForEach(a => 
            {
                inventoryMonitoringDtos.Add(new InventoryMonitoringDto { Model=a.Model, ItemNumber=a.ItemNumber, FactoryInv=0,GKInv=0,HWInv=0, ReplenishCycle=a.ReplenishCycle });
            });
            var ItemList = ItemModelSetList.Select(a => a.ItemNumber);
            var modelList = ItemModelSetList.Select(a => a.Model);
            var ItemInvList = _sapInvRepository.Select(a => ItemList.Contains(a.MATNR) && a.WERKS == input.factory_id.ToString());
            int year = DateTime.Now.AddMonths(1).Year;
            int month = DateTime.Now.AddMonths(1).Month;
            string planMonth = $"{year}-01";
            string planMonthCurrent = $"{year}-{DateTime.Now.AddMonths(1).ToString("MM")}";
            var platformInvList = _PlatformInventory.GetListAsync(a => modelList.Contains(a.SpecificationModel) && a.tenant_id == input.tenant_id && a.factory_id == input.factory_id).Result;
            var yearDemandList= _yearDemandManagement.GetListAsync(a=>a.Year== year && a.PlanMonth == planMonth && a.tenant_id== input.tenant_id && a.company_id == input.company_id && !a.IsDeleted).Result;
            List<HolidayMaster> holidays = _holidayMaster.Select(p => (p.Dated.Value.Year == year || p.Dated.Value.Year == (year + 1)) && p.Domain == input.factory_id.ToString() && p.IsActive);
            List<ic_item> items = _ic_item.GetListAsync(p => ItemList.Contains(p.number) && p.tenant_id == input.tenant_id && p.company_id == input.company_id && p.factory_id == input.factory_id && !p.IsDeleted).Result;
            var platformFcstCollectList= _platformFcstCollect.GetListAsync(p=>p.PlanMonth== planMonthCurrent && p.tenant_id == input.tenant_id && p.company_id == input.company_id && p.factory_id == input.factory_id && !p.IsDeleted).Result;
            var platStockMonitorSettingList = _platStockMonitorSetting.GetListAsync(p => p.PlanMonth == planMonthCurrent && p.tenant_id == input.tenant_id && p.company_id == input.company_id && p.factory_id == input.factory_id && !p.IsDeleted).Result;
            var domesticTerminalFcstList = _domesticTerminalFcst.GetListAsync(p => p.PlanMonth == planMonthCurrent && p.tenant_id == input.tenant_id && p.company_id == input.company_id && p.factory_id == input.factory_id && !p.IsDeleted).Result;
            inventoryMonitoringDtos.ForEach(a =>
            {
                //产品线和系列
                var itemProdRange = yearDemandList.Find(b => b.Model == a.Model);
                if (itemProdRange != null)
                {
                    a.ProLine = itemProdRange.ProdLine;
                    a.Series = itemProdRange.ProdRange;
                }
     
                //工厂库存
                var itemSap = ItemInvList.Find(b => b.MATNR == a.ItemNumber);
                if(itemSap!=null)
                    a.FactoryInv =itemSap.LABST;
                //国科库存
                var platformInventoryGK=  platformInvList.Find(b => b.SpecificationModel == a.Model && b.Code== "HW0002");
                if (platformInventoryGK != null)
                    a.GKInv = platformInventoryGK.InventoryQuantity;
                //海王库存
                var platformInventoryHW = platformInvList.Find(b => b.SpecificationModel == a.Model && b.Code == "HW0001");
                if (platformInventoryHW != null)
                    a.HWInv = platformInventoryHW.InventoryQuantity;

                //全域库存
                a.TotalInv = a.FactoryInv + a.GKInv + a.HWInv;

                //T1月需求
                var t1 = domesticTerminalFcstList.Find(b => b.TypeEnum == 2);
                if (t1 != null)
                {
                    a.T1MonthlyDemand = t1.Qty;
                }
                //T1补货点
                decimal rop = 0.0m;
                //获取当月天数
                int days = DateTime.DaysInMonth(year, month);
                //计算当前月的周末天数
                int weeks = CalcWeekDays(days, DateTime.Now.AddDays(1 - DateTime.Now.Day).AddMonths(1));
                //获取当前年月的节假日设置
                var curHolidays = holidays.Where(p => p.Dated.Value.Year == DateTime.Now.AddMonths(1).Year && p.Dated.Value.Month == DateTime.Now.AddMonths(1).Month).ToList();
                //当月工作天数
                int workDays = days - weeks - curHolidays.Where(p => p.Ufld1 == "休假").Count() + curHolidays.Where(p => p.Ufld1 == "调班").Count();
                decimal packQty = 1m;//最小包装单位
                var curItem = items.FirstOrDefault(p => p.number == a.ItemNumber);
                packQty = curItem == null ? 1 : (curItem.minpackqty.GetValueOrDefault() == 0.0m ? 1 : curItem.minpackqty.Value);
                //rop = (需求量/月工作天数*补货周期)=>按照最小包装单位元整
                rop = Math.Ceiling(a.T1MonthlyDemand / workDays * a.ReplenishCycle / packQty) * packQty;
                a.ReplenishmentPoint = rop;

                //国科预估需求
                var gk = domesticTerminalFcstList.Find(a => a.TypeEnum == 5);
                if (gk != null)
                {
                    a.GKEstimatedDemand = gk.Qty;
                }
                //海王预估需求
                var hw = domesticTerminalFcstList.Find(a => a.TypeEnum == 4);
                if (hw != null)
                {
                    a.HWEstimatedDemand = hw.Qty;
                }
                //T2总体需求
                //a.TotalDemand = a.GKEstimatedDemand + a.HWEstimatedDemand;
                var t2 = domesticTerminalFcstList.Find(a => a.TypeEnum == 3);
                if (t2 != null)
                {
                    a.T2TotalDemand = t2.Qty;
                }
                //总终端需求
                a.TotalTerminalDemand = a.T1MonthlyDemand + a.ReplenishmentPoint + a.GKEstimatedDemand + a.HWEstimatedDemand + a.T2TotalDemand;
                //工厂平台覆盖月
                a.FactoryCoveragePlatformMonth = Math.Round(a.FactoryInv / a.T1MonthlyDemand,2);
                //国科库存最高最低覆盖月
                var prodTypeGK=platformFcstCollectList?.Find(b => b.Model == a.Model && b.Platform == "国科");
                if(prodTypeGK!=null)
                {
                    var prodTypeSettingGK = platStockMonitorSettingList?.Find(b => b.ProdType == prodTypeGK.ProdType && b.Platform == "国科");
                    if(prodTypeSettingGK!=null)
                    {
                        a.GKCoverageMaxMonth = prodTypeSettingGK.MaxTimes;
                        a.GKCoverageMinMonth = prodTypeSettingGK.MinTimes;
                    }else
                    {
                        a.GKCoverageMaxMonth = 0;
                        a.GKCoverageMinMonth = 0;
                    }
                }

                //国科库存覆盖月
                a.GKCoverageMonth = Math.Round(a.GKInv / a.GKEstimatedDemand, 2);


                //海王库存最高最低覆盖月
                var prodTypeHW = platformFcstCollectList?.Find(b => b.Model == a.Model && b.Platform == "海王");
                if (prodTypeHW != null)
                {
                    var prodTypeSettingHW = platStockMonitorSettingList?.Find(b => b.ProdType == prodTypeHW.ProdType && b.Platform == "海王");
                    if(prodTypeSettingHW != null)
                    {
                        a.HWCoverageMaxMonth = prodTypeSettingHW.MaxTimes;
                        a.HWCoverageMinMonth = prodTypeSettingHW.MinTimes;
                    }else
                    {
                        a.HWCoverageMaxMonth = 0;
                        a.HWCoverageMinMonth = 0;
                    }
                }


                //海王库存覆盖月
                a.HWCoverageMonth = Math.Round(a.HWInv / a.HWEstimatedDemand, 2);
                //全域覆盖
                a.TotalCoverageMonth = Math.Round(a.TotalInv / a.TotalTerminalDemand, 2);

                //T1库存监控
                if (a.FactoryInv < a.ReplenishmentPoint)
                {
                    a.T1MonitoringResult = "按照补货点补货";
                }
                else
                {
                    a.T1MonitoringResult = a.FactoryCoveragePlatformMonth > 6 ? "库存超出6个月阈值" : "正常覆盖范围";
                }
                //国科库存监控
                a.GKMonitoringResult = a.GKCoverageMonth > a.GKCoverageMaxMonth ? "库存高于最高库存水位警戒" : a.GKCoverageMonth < a.GKCoverageMinMonth ? "库存低于最低库存水位,紧急补货" : "正常周转";
                //海王库存监控
                a.HWMonitoringResult = a.HWCoverageMonth > a.HWCoverageMaxMonth ? "库存高于最高库存水位警戒" : a.HWCoverageMonth < a.HWCoverageMinMonth ? "库存低于最低库存水位,紧急补货" : "正常周转";

                //推荐决策
                if (a.TotalCoverageMonth <= 3)
                {
                    a.RecommendDecision = "紧急补货";
                }
                else 
                if (a.TotalCoverageMonth <=6)
                {
                    a.RecommendDecision = "需要补货";
                }
                else 
                if (a.TotalCoverageMonth <=9)
                {
                    a.RecommendDecision = "正常库存";
                }
                else 
                if (a.TotalCoverageMonth <= 24)
                {
                    a.RecommendDecision = "关注库存";
                }
                else
                {
                    a.RecommendDecision = "呆滞";
                }
            });
            return JsonConvert.SerializeObject(inventoryMonitoringDtos);
        }

        /// <summary>
        /// 计算当月有多少个周末
        /// </summary>
        /// <param name="days"></param>
        /// <param name="startDay"></param>
        /// <returns></returns>
        private int CalcWeekDays(int days, DateTime startDay)
        {
            int sumDays = 0;
            for (int i = 0; i < days; i++)
            {
                int weekDays = (int)startDay.AddDays(i).DayOfWeek;
                if (weekDays == 0 || weekDays == 6)
                {
                    sumDays++;
                }
            }
            return sumDays;
        }
    }
}