using AutoMapper;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Storage;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using WMS.Web.Core;
using WMS.Web.Core.Dto;
using WMS.Web.Core.Dto.InStock;
using WMS.Web.Core.Help;
using WMS.Web.Core.Internal.Results;
using WMS.Web.Domain.Entitys;
using WMS.Web.Domain.Infrastructure;
using WMS.Web.Domain.IService.Public;
using WMS.Web.Domain.Values.Single;
using WMS.Web.Repositories.Configuration;

namespace WMS.Web.Repositories
{
    /// <summary>
    /// wms入库单-仓储
    /// </summary>
    public class InStockRepositories: IAllFielRepositories<InStockQueryRequest>, IInStockRepositories
    {
        private readonly IMapper _mapper;
        private readonly IServiceProvider _serviceProvider;
        private readonly ILoginRepositories _loginRepositories;
        private readonly RepositoryDbContext _context;
        private readonly ISingleDataService _singleDataService;
        private readonly IErpService _erpService;
        private readonly IErpBasicDataExtendService _erpBasicDataExtendService;


        public InStockRepositories(RepositoryDbContext context, 
            IMapper mapper,
            IErpService erpService,
            ILoginRepositories loginRepositories,
            IServiceProvider serviceProvider,
            ISingleDataService singleDataService,
            IErpBasicDataExtendService erpBasicDataExtendService)
        {
            _context = context;
            _mapper = mapper;
            _erpService = erpService;
            _serviceProvider = serviceProvider;
            _loginRepositories = loginRepositories;
            _singleDataService = singleDataService;
            _erpBasicDataExtendService = erpBasicDataExtendService;
        }

        /// <summary>
        /// 列表-分页
        /// </summary>
        /// <param name="dto"></param>
        /// <returns></returns>
        public async Task<(List<InStockQueryResponse> list, int total)> GetPagedList(InStockQueryRequest dto) 
        {
            //1.获取物料集合和组织集合和供应商的集合
            var materials_result = await _erpService.BillQueryForMaterial();
            if (!materials_result.IsSuccess)
                return (new List<InStockQueryResponse>(), 0);
            var materials = materials_result.Data.ToList();

            //组织集合
            var orgs_result = await _erpService.BillQueryForOrg();
            if (!orgs_result.IsSuccess)
                return (new List<InStockQueryResponse>(), 0);
            var orgs = orgs_result.Data.ToList();

            //供应商集合
            var suppliers_result = await _erpService.BillQueryForSupplier();
            if (!suppliers_result.IsSuccess)
                return (new List<InStockQueryResponse>(), 0);
            var suppliers = suppliers_result.Data.ToList();

            //物料集合；模糊查询后的物料集合
            if (!string.IsNullOrEmpty(dto.MaterialNumber))
                materials = materials.Where(w => EF.Functions.Like(w.MaterialNumber, "%" + dto.MaterialNumber + "%")).ToList();

            var query=_context.InStockDetails
                .GroupJoin(_context.Instock, detail => detail.Fid, order => order.Id, (detail, orders) => new { detail, orders })
                .SelectMany(x => x.orders.DefaultIfEmpty(), (p, order) => new { p.detail, order })
                .Where(adv => 1 == 1);

            if (!string.IsNullOrEmpty(dto.SourceBillNo))
                query = query.Where(w => EF.Functions.Like(w.detail.SourceBillNo, "%" + dto.SourceBillNo + "%"));

            //物料ID在模糊后的物料
            if (materials != null && materials.Count != 0 && !string.IsNullOrEmpty(dto.MaterialNumber))
            {
                var mids = materials.Select(x => x.MaterialId).ToList();
                query = query.Where(w => mids.Contains(w.detail.MaterialId));
            }

            if (dto.SupplierId.HasValue)
                query = query.Where(w => w.detail.SupplierId == dto.SupplierId.Value);

            if (dto.OrgId.HasValue)
                query = query.Where(w => w.detail.OrgId == dto.OrgId.Value);

            if (!string.IsNullOrEmpty(dto.StockCode))
                query = query.Where(w => w.detail.StockCode == dto.StockCode);

            if (dto.Type.HasValue)
                query = query.Where(w => (int)w.order.Type == dto.Type.Value);

            if (dto.CreateBeginDate != null)
                query = query.Where(w => w.order.CreateTime >= dto.CreateBeginDate.Value);
            if (dto.CreateEndDate != null)
                query = query.Where(w => w.order.CreateTime <= dto.CreateEndDate.Value);

           
            int total = await query.CountAsync();
            var list = await query.Select(s => new InStockQueryResponse() 
            {
                Id=s.order.Id,
                DetailsId=s.detail.Id,
                BillNo=s.order.BillNo,
                Type=s.order.Type.GetRemark(),
                SourceBillNo=s.detail.SourceBillNo,
                Supplier= _erpBasicDataExtendService.GetSupplierName(suppliers, s.detail.SupplierId),
                Org = _erpBasicDataExtendService.GetOrgName(orgs, s.detail.OrgId),
                MaterialName = _erpBasicDataExtendService.GetMaterialName(materials, s.detail.MaterialId),
                MaterialNumber = _erpBasicDataExtendService.GetMaterialNumber(materials, s.detail.MaterialId),
                Specifications = _erpBasicDataExtendService.GetMaterialSpecifications(materials, s.detail.MaterialId),
                Stock = _singleDataService.GetSingleData(SingleAction.Stocks, _loginRepositories.CompanyId, s.detail.StockCode),
                Qty =s.detail.Qty,
                Creator = _singleDataService.GetSingleData(SingleAction.Staffs, _loginRepositories.CompanyId, s.order.CreatorId),
                CreateTime =s.order.CreateTime,
                SuccessSync=s.order.SuccessSync
            }).OrderByDescending(x => x.Id).Skip((dto.PageNo - 1) * dto.PageSize).Take(dto.PageSize).ToListAsync();

            return (list, total);
        }

        /// <summary>
        /// 新增
        /// </summary>
        /// <param name="entity"></param>
        /// <param name="isTransaction"></param>
        /// <returns></returns>
        public async Task<InStock> Add(InStock entity, bool isTransaction = true)
        {
            IDbContextTransaction _transaction = null;
            if (isTransaction)
                _transaction = _context.Database.BeginTransaction();
            try
            {
                await _context.Instock.AddAsync(entity);
                await _context.SaveChangesAsync();

                if (string.IsNullOrEmpty(entity.BillNo))
                {
                    entity.GenerateNo();
                    await _context.SaveChangesAsync();
                }

                if (_transaction != null)
                    _transaction.Commit();
                return entity;
            }
            catch (Exception ex)
            {
                if (_transaction != null)
                    _transaction.Rollback();
                return null;
            }

        }

        /// <summary>
        /// 导出
        /// </summary>
        /// <param name="dto"></param>
        /// <param name="companyId"></param>
        /// <returns></returns>
        public async Task<(object obj, int total)> GetListField(InStockQueryRequest dto, int companyId)
        {
            return await GetPagedList(dto);
        }

        /// <summary>
        /// 获取详情
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        public async Task<InStockInfoResponse> GetInfo(int id)
        {
            var res = await _context.Instock
               .FirstOrDefaultAsync(f => id == f.Id);
            if (res == null) return null;
            var response = new InStockInfoResponse()
            {
                CreateTime = res.CreateTime.DateToStringSeconds(),
                SyncTime = res.SyncTime.DateToStringSeconds(),
                Creator = _singleDataService.GetSingleData(SingleAction.Staffs, _loginRepositories.CompanyId, res.CreatorId),
                Operate = _singleDataService.GetSingleData(SingleAction.Staffs, _loginRepositories.CompanyId, res.OperateId)
            };
            return response;
        }
    }
}