using SqlSugar;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using WIDESEA_Core;
using WIDESEA_Core.BaseRepository;
using WIDESEA_Core.BaseServices;
using WIDESEA_Core.Helper;
using WIDESEA_DTO.Stock;
using WIDESEA_IStockService;
using WIDESEA_Model.Models;

namespace WIDESEA_StockService
{
    public class StockDetailByMaterielService :IStockDetailByMaterielService
    {
        private readonly IUnitOfWorkManage _unitOfWorkManage;
        private readonly SqlSugarClient _dbBase;
        private readonly IRepository<Dt_StockInfoDetail> _stockInfoDetailRepository;

        public StockDetailByMaterielService(IUnitOfWorkManage unitOfWorkManage, IRepository<Dt_StockInfoDetail> stockInfoDetailRepository)
        {
            _unitOfWorkManage = unitOfWorkManage;
            _dbBase = unitOfWorkManage.GetDbClient();
            _stockInfoDetailRepository = stockInfoDetailRepository;
        }


        public virtual PageGridData<StockDetailByMateriel> GetPageGridData(PageDataOptions options)
        {
            try
            {
                List<StockDetailByMateriel> materielnfoStatistics = new List<StockDetailByMateriel>();
                ISugarQueryable<Dt_StockInfoDetail> sugarQueryable1 = _dbBase.Queryable<Dt_StockInfoDetail>();
                ISugarQueryable<Dt_StockInfo> sugarQueryable = _dbBase.Queryable<Dt_StockInfo>();
                ISugarQueryable<Dt_MaterielInfo> sugarQueryable3 = _dbBase.Queryable<Dt_MaterielInfo>();

                if (!string.IsNullOrEmpty(options.Wheres))
                {
                    try
                    {
                        List<SearchParameters> searchParametersList = options.Wheres.DeserializeObject<List<SearchParameters>>();
                        if (searchParametersList.Count > 0)
                        {
                           
                            SearchParameters? searchParameters = searchParametersList.FirstOrDefault(x => x.Name == nameof(Dt_StockInfoDetail.MaterielCode).FirstLetterToLower());
                            if (searchParameters != null)
                            {
                                sugarQueryable1 = sugarQueryable1.Where(x => x.MaterielCode.Contains(searchParameters.Value));
                            }
                            
                            searchParameters = searchParametersList.FirstOrDefault(x => x.Name == nameof(Dt_StockInfoDetail.WarehouseCode).FirstLetterToLower());
                            if (searchParameters != null)
                            {
                                sugarQueryable1 = sugarQueryable1.Where(x => x.WarehouseCode.Contains(searchParameters.Value));
                            }
                            
                            searchParameters = searchParametersList.FirstOrDefault(x => x.Name == nameof(Dt_StockInfoDetail.MaterielName).FirstLetterToLower());
                            if (searchParameters != null)
                            {

                                sugarQueryable1 = sugarQueryable1.Where(x => x.MaterielName.Contains(searchParameters.Value));
                            }
                           
                            searchParameters = searchParametersList.FirstOrDefault(x => x.Name == nameof(Dt_StockInfoDetail.BatchNo).FirstLetterToLower());
                            if (searchParameters != null)
                            {
                                sugarQueryable1 = sugarQueryable1.Where(x => x.BatchNo.Contains(searchParameters.Value));
                            }
                            
                            searchParameters = searchParametersList.FirstOrDefault(x => x.Name == nameof(Dt_StockInfoDetail.SupplyCode).FirstLetterToLower());
                            if (searchParameters != null)
                            {
                                sugarQueryable1 = sugarQueryable1.Where(x => x.SupplyCode.Contains(searchParameters.Value));
                            }

                        }
                    }
                    catch (Exception ex)
                    {
                       
                    }
                }

                ISugarQueryable<StockDetailByMateriel> sugarQueryable2 = sugarQueryable1
                    .InnerJoin(sugarQueryable, (detail, stock) => detail.StockId == stock.Id)
                    .LeftJoin(sugarQueryable3, (detail, stock, materiel) => detail.MaterielCode == materiel.MaterielCode)
                    .Where((detail, stock, materiel) => !string.IsNullOrEmpty(stock.LocationCode))
                    .Select((detail, stock, materiel) => new StockDetailByMateriel
                    {
                        StockId = detail.StockId,
                        MaterielCode = detail.MaterielCode,
                        MaterielName = materiel.MaterielName ==null ?detail.MaterielName:materiel.MaterielName,
                        StockQuantity = (decimal)detail.StockQuantity,
                        OutboundQuantity = (decimal)detail.OutboundQuantity,
                        OrderNo = detail.OrderNo,
                        BatchNo = detail.BatchNo,
                        SerialNumber = detail.SerialNumber,
                        SupplyCode = detail.SupplyCode,
                        WarehouseCode = detail.WarehouseCode,
                        Barcode = detail.Barcode,
                        Unit = detail.Unit,
                        Creater = detail.Creater,
                        CreateDate = detail.CreateDate,
                        Modifier = detail.Modifier,
                        ModifyDate = detail.ModifyDate,
                        Remark = stock.Remark
                    });

                
                var allData = sugarQueryable2.ToList();

                
                var groupedData = new Dictionary<string, StockDetailByMateriel>();
                foreach (var item in allData)
                {
                    string groupKey = $"{item.MaterielCode}|{item.SupplyCode}|{item.BatchNo}|{item.WarehouseCode}";

                    if (groupedData.ContainsKey(groupKey))
                    {
                        groupedData[groupKey].StockQuantity += Convert.ToDecimal(item.StockQuantity);
                        groupedData[groupKey].OutboundQuantity += Convert.ToDecimal(item.OutboundQuantity);
                    }
                    else
                    {
                        groupedData[groupKey] = new StockDetailByMateriel
                        {
                            StockId = item.StockId,
                            MaterielCode = item.MaterielCode,
                            MaterielName = item.MaterielName,
                            StockQuantity = Convert.ToDecimal(item.StockQuantity),
                            OutboundQuantity = Convert.ToDecimal(item.OutboundQuantity),
                            OrderNo = item.OrderNo,
                            BatchNo = item.BatchNo,
                            SerialNumber = item.SerialNumber,
                            SupplyCode = item.SupplyCode,
                            WarehouseCode = item.WarehouseCode,
                            Barcode = item.Barcode,
                            Creater = item.Creater,
                            CreateDate = item.CreateDate,
                            Modifier = item.Modifier,
                            ModifyDate = item.ModifyDate,
                            Unit = item.Unit,
                            Remark = item.Remark
                        };
                    }
                }

                decimal totalStockQuantity = 0;
                if (groupedData.Count > 0)
                {
                    totalStockQuantity = groupedData.Values.Sum(x => x.StockQuantity);
                }

                materielnfoStatistics = groupedData.Values.ToList();
                int startIndex = (options.Page - 1) * options.Rows;
                int endIndex = Math.Min(startIndex + options.Rows, materielnfoStatistics.Count);
                if (startIndex < materielnfoStatistics.Count)
                {
                    materielnfoStatistics = materielnfoStatistics.GetRange(startIndex, endIndex - startIndex);
                }
                else
                {
                    materielnfoStatistics = new List<StockDetailByMateriel>();
                }

                int count = groupedData.Count;
                return new PageGridData<StockDetailByMateriel>(count, materielnfoStatistics)
                {
                    TotalStockQuantity = totalStockQuantity 
                };
            }
            catch (Exception ex)
            {
                return new PageGridData<StockDetailByMateriel>();
            }
        }

        public WebResponseContent CalculateStock(string warehouseCode,string materielCode)
        {
           var calculateStock =_stockInfoDetailRepository.QueryData(x => x.WarehouseCode == warehouseCode && x.MaterielCode == materielCode).Sum(x => x.StockQuantity);
           if(calculateStock == 0)
            {
                return WebResponseContent.Instance.Error("未找到库存");
            }
            return WebResponseContent.Instance.OK(data: calculateStock);
        }
    }
}