using HslCommunication.WebSocket;
using OfficeOpenXml.FormulaParsing.Excel.Functions.RefAndLookup;
using OfficeOpenXml.FormulaParsing.Excel.Functions.Text;
using SqlSugar;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using WIDESEA_Common.CommonEnum;
using WIDESEA_Common.LocationEnum;
using WIDESEA_Common.StockEnum;
using WIDESEA_Core;
using WIDESEA_Core.BaseRepository;
using WIDESEA_Core.BaseServices;
using WIDESEA_Core.Const;
using WIDESEA_Core.DB;
using WIDESEA_Core.Enums;
using WIDESEA_Core.Helper;
using WIDESEA_Core.Seed;
using WIDESEA_Core.Utilities;
using WIDESEA_DTO.Basic;
using WIDESEA_IBasicService;
using WIDESEA_Model.Models;

namespace WIDESEA_BasicService
{
    public partial class LocationInfoService : ServiceBase<Dt_LocationInfo, IRepository<Dt_LocationInfo>>, ILocationInfoService
    {
        private readonly IUnitOfWorkManage _unitOfWorkManage;
        private readonly IRepository<Dt_StockInfo> _stockInfoRepository;
        public IRepository<Dt_LocationInfo> Repository => BaseDal;

        public LocationInfoService(IRepository<Dt_LocationInfo> BaseDal, IUnitOfWorkManage unitOfWorkManage, IRepository<Dt_StockInfo> stockInfoRepository) : base(BaseDal)
        {
            _unitOfWorkManage = unitOfWorkManage;
            _stockInfoRepository = stockInfoRepository;
        }

        /// <summary>
        /// 批量启用货位
        /// </summary>
        /// <param name="keys">货位主键数组</param>
        /// <returns></returns>
        public WebResponseContent LocationEnableStatus(int[] keys)
        {
            List<Dt_LocationInfo> locationInfos = Repository.QueryData(x => keys.Contains(x.Id));
            locationInfos.ForEach(x =>
            {
                x.EnableStatus = EnableStatusEnum.Normal.ObjToInt();
            });
            Repository.UpdateData(locationInfos);

            return WebResponseContent.Instance.OK();
        }

        /// <summary>
        /// 批量禁用货位
        /// </summary>
        /// <param name="keys">货位主键数组</param>
        /// <returns></returns>
        public WebResponseContent LocationDisableStatus(int[] keys)
        {
            List<Dt_LocationInfo> locationInfos = Repository.QueryData(x => keys.Contains(x.Id));
            locationInfos.ForEach(x =>
            {
                x.EnableStatus = EnableStatusEnum.Disable.ObjToInt();
            });
            Repository.UpdateData(locationInfos);

            return WebResponseContent.Instance.OK();
        }

        /// <summary>
        /// 单个启用货位
        /// </summary>
        /// <param name="key">货位主键</param>
        /// <returns></returns>
        public WebResponseContent LocationEnableStatus(int key)
        {
            return LocationEnableStatus(new int[] { key });
        }

        /// <summary>
        /// 单个禁用货位
        /// </summary>
        /// <param name="key">货位主键</param>
        /// <returns></returns>
        public WebResponseContent LocationDisableStatus(int key)
        {
            return LocationDisableStatus(new int[] { key });
        }

        /// <summary>
        /// 初始化货位
        /// </summary>
        /// <param name="initializationLocationDTO"></param>
        /// <returns></returns>
        public WebResponseContent InitializationLocation(InitializationLocationDTO initializationLocationDTO)
        {
            try
            {
                (bool, string, object?) result = ModelValidate.ValidateModelData(initializationLocationDTO);
                if (!result.Item1) return WebResponseContent.Instance.Error(result.Item2);

                int depth = initializationLocationDTO.Depth;
                List<Dt_LocationInfo> locationInfos = new List<Dt_LocationInfo>();
                for (int i = 0; i < initializationLocationDTO.MaxRow; i++)
                {
                    if ((i + 1) % initializationLocationDTO.MaxRow == 1)
                    {
                        depth = initializationLocationDTO.Depth;
                    }
                    else if ((i + 1) % initializationLocationDTO.MaxRow == initializationLocationDTO.Depth + 1)
                    {
                        depth = 1;
                    }
                    else if ((i + 1) % initializationLocationDTO.MaxRow > 1 && (i + 1) % initializationLocationDTO.MaxRow <= initializationLocationDTO.Depth)
                    {
                        depth -= 1;
                    }
                    else
                    {
                        depth += 1;
                    }
                    for (int j = 0; j < initializationLocationDTO.MaxColumn; j++)
                    {
                        for (int k = 0; k < initializationLocationDTO.MaxLayer; k++)
                        {
                            Dt_LocationInfo locationInfo = new Dt_LocationInfo()
                            {
                                WarehouseId = 0,
                                Column = j + 1,
                                EnableStatus = EnableStatusEnum.Normal.ObjToInt(),
                                Layer = k + 1,
                                LocationStatus = LocationStatusEnum.Free.ObjToInt(),
                                LocationType = LocationTypeEnum.Undefined.ObjToInt(),
                                RoadwayNo = $"{initializationLocationDTO.Roadway.ToString()}",
                                Row = i + 1,
                                Depth = depth,
                            };
                            locationInfo.LocationCode = $"{locationInfo.RoadwayNo}-{locationInfo.Row.ToString().PadLeft(3, '0')}-{locationInfo.Column.ToString().PadLeft(3, '0')}-{locationInfo.Layer.ToString().PadLeft(3, '0')}-{locationInfo.Depth.ToString().PadLeft(2, '0')}";
                            locationInfo.LocationName = $"{locationInfo.RoadwayNo}巷道{locationInfo.Row.ToString().PadLeft(3, '0')}行{locationInfo.Column.ToString().PadLeft(3, '0')}列{locationInfo.Layer.ToString().PadLeft(3, '0')}层{locationInfo.Depth.ToString().PadLeft(2, '0')}深";
                            locationInfos.Add(locationInfo);
                        }
                    }
                }
                BaseDal.AddData(locationInfos);
                return WebResponseContent.Instance.OK();
            }
            catch (Exception ex)
            {
                return WebResponseContent.Instance.Error(ex.Message);
            }
        }

        private readonly static object _locker = new object();
        static List<LocationCache> locationCaches = new List<LocationCache>();
        /// <summary>
        /// 分配货位
        /// </summary>
        /// <param name="roadwayNo"></param>
        /// <param name="palletType"></param>
        /// <param name="warehouseId"></param>
        /// <param name="beRelocationCode"></param>
        /// <param name="heightType"></param>
        /// <returns></returns>
        /// <exception cref="Exception"></exception>
        public Dt_LocationInfo? AssignLocation(string roadwayNo, int warehouseId, string beRelocationCode = "")
        {

            lock (_locker)
            {
                List<LocationCache> removeItems = locationCaches.Where(x => (DateTime.Now - x.DateTime).TotalMinutes > 5).ToList();
                int count = removeItems.Count;
                for (int i = 0; i < count; i++)
                {
                    locationCaches.Remove(removeItems[i]);
                }

                List<string> lockLocationCodes = locationCaches.Select(x => x.LocationCode).ToList();

                List<Dt_LocationInfo> locationInfos = Repository.QueryData(x => x.RoadwayNo == roadwayNo);
                if (locationInfos == null || locationInfos.Count == 0)
                {
                    throw new Exception($"未找到该巷道的货位信息,巷道号:{roadwayNo}");
                }

                if (!string.IsNullOrEmpty(beRelocationCode))
                {
                    Dt_LocationInfo? beRelocation = locationInfos.FirstOrDefault(x => x.LocationCode == beRelocationCode);
                    if (beRelocation == null)
                    {
                        throw new Exception($"未找到货位信息");
                    }
                    int maxDepth = locationInfos.Max(x => x.Depth);
                    int mathCurrentRow = beRelocation.Row - Convert.ToInt32(Math.Ceiling(beRelocation.Row / maxDepth / 2.0)) * maxDepth * 2;
                    if (mathCurrentRow <= maxDepth)
                    {
                        locationInfos = locationInfos.Where(x => x.Row - Convert.ToInt32(Math.Ceiling(x.Row / maxDepth / 2.0)) * maxDepth * 2 <= maxDepth).ToList();
                    }
                    else
                    {
                        locationInfos = locationInfos.Where(x => x.Row - Convert.ToInt32(Math.Ceiling(x.Row / maxDepth / 2.0)) * maxDepth * 2 > maxDepth).ToList();
                    }
                }


                //未定义类型的空货位 
                List<Dt_LocationInfo> undefinedTypeEmptyLocations = locationInfos.Where(x => (x.EnableStatus == EnableStatusEnum.Normal.ObjToInt() || x.EnableStatus == EnableStatusEnum.OnlyIn.ObjToInt()) && x.LocationStatus == LocationStatusEnum.Free.ObjToInt() && x.LocationType == LocationTypeEnum.Undefined.ObjToInt() && !lockLocationCodes.Contains(x.LocationCode)).OrderByDescending(x => x.Depth).ThenBy(x => x.Layer).ThenBy(x => x.Column).ThenBy(x => x.Row).ToList();

                List<Dt_LocationInfo> definedTypeEmptyLocations = locationInfos.Where(x => (x.EnableStatus == EnableStatusEnum.Normal.ObjToInt() || x.EnableStatus == EnableStatusEnum.OnlyIn.ObjToInt()) && x.LocationStatus == LocationStatusEnum.Free.ObjToInt() && !lockLocationCodes.Contains(x.LocationCode)).OrderByDescending(x => x.Depth).ThenBy(x => x.Layer).ThenBy(x => x.Column).ThenBy(x => x.Row).ToList();

                if (definedTypeEmptyLocations.Any())
                {
                    for (int i = 0; i < definedTypeEmptyLocations.Count; i++)
                    {
                        Dt_LocationInfo definedTypeEmptyLocation = definedTypeEmptyLocations[i];
                        Dt_LocationInfo? locationInfo = GetUsableLocation_BC(locationInfos, definedTypeEmptyLocation);
                        //判断货位两深及以上是否存在出库锁定货位
                        if (locationInfo?.Depth == 1)
                        {
                            Dt_LocationInfo? IsBebusyLocation = locationInfos.Where(x => x.Row == (locationInfo?.Row == 2 ? locationInfo?.Row - 1 : locationInfo?.Row + 1) && x.Column == locationInfo?.Column && x.Layer == locationInfo?.Layer).FirstOrDefault();
                            if (IsBebusyLocation != null && (IsBebusyLocation.LocationStatus < LocationStatusEnum.InStock.ObjToInt()))
                            {
                                continue;
                            }
                        }
                        if (locationInfo != null)
                        {
                            locationCaches.Add(new LocationCache { LocationCode = locationInfo.LocationCode, DateTime = DateTime.Now });
                            return locationInfo;
                        }
                    }
                }
                if ((undefinedTypeEmptyLocations.Any()))//如果已定义类型货位未超过比例，且有未定义类型的货位
                {
                    Dt_LocationInfo undefinedTypeEmptyLocation = undefinedTypeEmptyLocations.FirstOrDefault();
                    Dt_LocationInfo? locationInfo = GetUsableLocation_BC(locationInfos, undefinedTypeEmptyLocation);
                    locationCaches.Add(new LocationCache { LocationCode = locationInfo.LocationCode, DateTime = DateTime.Now });
                    return locationInfo;
                }
                return null;
            }
        }
        /// <summary>
        /// 获取可用货位
        /// </summary>
        /// <param name="locationInfos"></param>
        /// <param name="emptyLocation"></param>
        /// <param name="palletType"></param>
        /// <returns></returns>
        private Dt_LocationInfo? GetUsableLocation_BC(List<Dt_LocationInfo> locationInfos, Dt_LocationInfo emptyLocation)
        {

            //Dt_LocationInfo? nearLocation = null;
            //if (emptyLocation.Column % 2 == 1)
            //    nearLocation = locationInfos.FirstOrDefault(x => x.Row == emptyLocation.Row && x.Layer == emptyLocation.Layer && x.Depth == emptyLocation.Depth && x.Column == emptyLocation.Column - 1);
            //else if (emptyLocation.Column % 2 == 0)
            //    nearLocation = locationInfos.FirstOrDefault(x => x.Row == emptyLocation.Row && x.Layer == emptyLocation.Layer && x.Depth == emptyLocation.Depth && x.Column == emptyLocation.Column + 1);
            //if (nearLocation != null && DepthLocationIsEmpty_BC(locationInfos, nearLocation) != null)
            //{
                Dt_LocationInfo? locationInfo = DepthLocationIsEmpty_BC(locationInfos, emptyLocation);
                if (locationInfo != null)
                {
                    return locationInfo;
                }
            //}

            return null;
        }


        /// <summary>
        /// 判断不同深度的同组货位状态是否为空闲空位
        /// </summary>
        /// <param name="locationInfos"></param>
        /// <param name="emptyLocation"></param>
        /// <returns></returns>
        private Dt_LocationInfo? DepthLocationIsEmpty_BC(List<Dt_LocationInfo> locationInfos, Dt_LocationInfo emptyLocation)
        {
            List<Dt_LocationInfo> locations = GetGroupLocations(locationInfos, emptyLocation);

            bool moreDepthFlag = false;
            bool littleDepthFlag = false;

            if (emptyLocation.LocationType == 0)
            {
                List<Dt_LocationInfo> moreDepth = locations.Where(x => x.Depth > emptyLocation.Depth).ToList();
                moreDepthFlag = moreDepth.FirstOrDefault(x => x.LocationStatus != LocationStatusEnum.InStock.ObjToInt() && (x.EnableStatus == EnableStatusEnum.OnlyIn.ObjToInt() || x.EnableStatus == EnableStatusEnum.Normal.ObjToInt()) && x.LocationType != 0) == null;//查询大于当前货位深度的集合里是否有状态不为有货的货位，如果是true，则表示深货位有未被使用的情况

                List<Dt_LocationInfo> littleDepth = locations.Where(x => x.Depth <= emptyLocation.Depth).ToList();
                littleDepthFlag = littleDepth.FirstOrDefault(x => x.LocationStatus != LocationStatusEnum.Free.ObjToInt() && (x.EnableStatus == EnableStatusEnum.OnlyIn.ObjToInt() || x.EnableStatus == EnableStatusEnum.Normal.ObjToInt()) && x.LocationType != 0) == null; //查询小于当前货位深度的集合里是否有状态不为空，且禁用状态不为禁用以及只入的货位，如果是true，则表示浅货位被使用或者被禁用的情况
            }
            else
            {
                List<Dt_LocationInfo> moreDepth = locations.Where(x => x.Depth > emptyLocation.Depth).ToList();
                moreDepthFlag = moreDepth.FirstOrDefault(x => x.LocationStatus != LocationStatusEnum.InStock.ObjToInt() && (x.EnableStatus == EnableStatusEnum.OnlyIn.ObjToInt() || x.EnableStatus == EnableStatusEnum.Normal.ObjToInt()) && x.LocationType != emptyLocation.LocationType) == null;//查询大于当前货位深度的集合里是否有状态不为有货的货位，如果是true，则表示深货位有未被使用的情况

                List<Dt_LocationInfo> littleDepth = locations.Where(x => x.Depth <= emptyLocation.Depth).ToList();
                littleDepthFlag = littleDepth.FirstOrDefault(x => x.LocationStatus != LocationStatusEnum.Free.ObjToInt() && (x.EnableStatus == EnableStatusEnum.OnlyIn.ObjToInt() || x.EnableStatus == EnableStatusEnum.Normal.ObjToInt()) && x.LocationType != emptyLocation.LocationType) == null; //查询小于当前货位深度的集合里是否有状态不为空，且禁用状态不为禁用以及只入的货位，如果是true，则表示浅货位被使用或者被禁用的情况
            }
            if (moreDepthFlag && littleDepthFlag)
            {
                return emptyLocation;
            }

            return null;
        }
        /// <summary>
        /// 获取不同深度的同组货位信息
        /// </summary>
        /// <param name="locationInfos"></param>
        /// <param name="location"></param>
        /// <returns></returns>
        public List<Dt_LocationInfo> GetGroupLocations(List<Dt_LocationInfo> locationInfos, Dt_LocationInfo location)
        {
            List<Dt_LocationInfo> groupLocations = new List<Dt_LocationInfo>() { location };
            int maxDepth = locationInfos.Max(x => x.Depth);
            int row = location.Row;
            for (int j = location.Depth + 1; j <= maxDepth; j++)
            {
                row += 1;
                Dt_LocationInfo? locationInfo = locationInfos.FirstOrDefault(x => x.Depth == j && x.Column == location.Column && x.Layer == location.Layer && x.Row == row);
                if (locationInfo != null)
                {
                    groupLocations.Add(locationInfo);
                }
            }

            for (int j = location.Depth - 1; j >= 1; j--)
            {
                row -= 1;
                Dt_LocationInfo? locationInfo = locationInfos.FirstOrDefault(x => x.Depth == j && x.Column == location.Column && x.Layer == location.Layer && x.Row == row);
                if (locationInfo != null)
                {
                    groupLocations.Add(locationInfo);
                }
            }
            return groupLocations;
        }


        public class LocationCache
        {
            public string LocationCode { get; set; }

            public DateTime DateTime { get; set; }
        }
    }
}