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.Dto.Inventory;
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>
    /// 箱库存-仓储
    /// </summary>
    public class BoxInventoryRepositories: IBoxInventoryRepositories
    {
        private readonly IMapper _mapper;
        private readonly IServiceProvider _serviceProvider;
        private readonly ILoginRepositories _loginRepositories;
        private readonly RepositoryDbContext _context;
        private readonly ISingleDataService _singleDataService;


        public BoxInventoryRepositories(RepositoryDbContext context,
            IMapper mapper,
            ILoginRepositories loginRepositories,
            IServiceProvider serviceProvider,
            ISingleDataService singleDataService)
        {
            _context = context;
            _mapper = mapper;
            _serviceProvider = serviceProvider;
            _loginRepositories = loginRepositories;
            _singleDataService = singleDataService;
        }

        /// <summary>
        /// 列表-分页
        /// </summary>
        /// <param name="dto"></param>
        /// <returns></returns>
        public async Task<ResultPagedList<BoxInventoryQueryResponse>> GetPagedList(BoxInventoryQueryRequest dto) 
        {
            var query = _context.BoxInventoryDetails
                .GroupJoin(_context.BoxInventory, detail => detail.Fid, order => order.Id, (detail, orders) => new { detail, orders })
                .SelectMany(x => x.orders.DefaultIfEmpty(), (p, order) => new { p.detail, order })
                .GroupJoin(_context.Box, p => p.order.BoxId, t => t.Id, (p, ts) => new { p.detail,p.order, ts })
                .SelectMany(x => x.ts.DefaultIfEmpty(), (p, box) => new { p.detail, p.order, box })
                .Where(adv => 1 == 1);

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

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

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

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

            var response = new ResultPagedList<BoxInventoryQueryResponse>();
            int total = await query.CountAsync();
            response.TotalCount = total;

            var list = await query.Select(s => new BoxInventoryQueryResponse()
            {
                Id = s.order.Id,
                DetailsId = s.detail.Id,
                BoxBillNo = s.box.BoxBillNo,
                MaterialName = "",
                MaterialNumber = "",
                Specifications = "",
                Stock = _singleDataService.GetSingleData(SingleAction.Stocks, _loginRepositories.CompanyId, s.order.StockId),
                SubStock="",
                Qty = s.detail.Qty,
            }).OrderByDescending(x => x.Id).Skip((dto.PageNo - 1) * dto.PageSize).Take(dto.PageSize).ToListAsync();

            response.Data = list;
            return response;
        }

        /// <summary>
        /// 批量添加
        /// </summary>
        /// <param name="entitys"></param>
        /// <param name="isTransaction"></param>
        /// <returns></returns>
        public async Task<bool> AddRange(List<BoxInventory> entitys, bool isTransaction = true)
        {
            IDbContextTransaction _transaction = null;
            if (isTransaction)
                _transaction = _context.Database.BeginTransaction();
            try
            {
                if (entitys != null && entitys.Count != 0)
                {
                    await _context.BoxInventory.AddRangeAsync(entitys);
                    await _context.SaveChangesAsync();
                }
                if (_transaction != null)
                    _transaction.Commit();
                return true;
            }
            catch
            {
                if (_transaction != null)
                    _transaction.Rollback();
                return false;
            }
        }

        /// <summary>
        /// 批量修改
        /// </summary>
        /// <param name="entitys"></param>
        /// <returns></returns>
        public async Task<bool> UpdateRange(List<BoxInventory> entitys, bool isTransaction = true)
        {
            IDbContextTransaction _transaction = null;
            if (isTransaction)
                _transaction = _context.Database.BeginTransaction();
            {
                try
                {
                    List<int> list = entitys.Select(s => s.Id).ToList();
                    var res = await _context.BoxInventory.Include(x => x.Details).Where(f => list.Contains(f.Id)).ToListAsync();
                    _mapper.Map(entitys, res);
                    await _context.SaveChangesAsync();
                    if (_transaction != null)
                        _transaction.Commit();
                }
                catch (Exception ex)
                {
                    if (_transaction != null)
                        _transaction.Rollback();
                    return false;
                }
                return true;
            }
        }
    }
}