using EFCore.BulkExtensions;
using Magicodes.ExporterAndImporter.Core.Models;
using Magicodes.ExporterAndImporter.Excel;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore.Storage;
using Microsoft.Extensions.Configuration;
using OfficeOpenXml.FormulaParsing.Excel.Functions.Database;
using OfficeOpenXml.FormulaParsing.Excel.Functions.Math;
using OfficeOpenXml.FormulaParsing.Excel.Functions.Text;
using Omu.ValueInjecter;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
using System.Threading.Tasks;
using System.Transactions;
using TaskManager.Entity;
using TaskManager.EntityFramework;
using TaskManager.EntityFramework.Repository;
using Wood.Service.Controllers;
using Wood.Util;

namespace Wood.Service.Datas
{
    public class SupplierInfoDtService : NormalBaseController<SUPPLIER_INFO_DT>
    {
        const string _taskName = "供应商基础信息";

        private readonly IRepository<TaskSub> _taskSubRepository;
        private readonly IRepository<SUPPLIER_INFO> _supplierInfoRepository;
        private readonly IRepository<TaskConifgure> _taskConfigureRepository;
        private readonly CommonService _commonService;

        public SupplierInfoDtService(JobDbContext context, IServiceProvider builder, IConfiguration configuration, IRepository<SUPPLIER_INFO_DT> repository, IRepository<TaskSub> taskSubRepository, IRepository<SUPPLIER_INFO> supplierInfoRepository, IRepository<TaskConifgure> taskConfigureRepository, CommonService commonService) : base(context, builder, configuration, repository)
        {
            _taskSubRepository = taskSubRepository;
            _supplierInfoRepository = supplierInfoRepository;
            _taskConfigureRepository = taskConfigureRepository;
            _commonService = commonService;

            _taskSubRepository.SetDbContext(_context);
            _supplierInfoRepository.SetDbContext(_context);
            _taskConfigureRepository.SetDbContext(_context);

        }

        [HttpPost]
        [Route("import")]
        public override async Task<IActionResult> Import(IFormFile file)
        {
            if (file == null || file.Length == 0)
            {
                return NotFound();
            }
            MemoryStream memStream = new MemoryStream();
            await file.CopyToAsync(memStream);

            var importer = new ExcelImporter();
            ImportResult<SUPPLIER_INFO_DT> impResult = await importer.Import<SUPPLIER_INFO_DT>(memStream);
            if (impResult.HasError)
            {
                StringBuilder sb = new StringBuilder();
                foreach (var rowErr in impResult.RowErrors)
                {
                    string temp = string.Join("；", rowErr.FieldErrors.Select(itm => $"第{rowErr.RowIndex}行：{itm.Key}-{itm.Value}"));
                    sb.AppendLine(temp);
                }
                foreach (var templateErr in impResult.TemplateErrors)
                {
                    string temp = $"列名：{templateErr.RequireColumnName}，错误信息：{templateErr.Message}";
                    sb.AppendLine(temp);
                }
                throw new Exception(sb.ToString());
            }
            var entityLst = impResult.Data.ToList();

            // 校验数据长度
            var validationErrors = ValidationHelper.ValidateDataLength(entityLst, _context);
            if (validationErrors.Any())
            {
                throw new Exception("数据校验失败：" + string.Join(", ", validationErrors));
            }

            using var transaction = _context.Database.BeginTransaction();
            var tran = transaction.GetDbTransaction();
            try
            {
                #region 数据库操作
                //添加任务
                TaskSub taskSubObj = _commonService.BuildTaskSub(entityLst.Count, _taskName);
                await _context.TaskSub.AddAsync(taskSubObj);


                List< SUPPLIER_INFO> infos = new List< SUPPLIER_INFO>();     
                //添加任务明细
                foreach (var empDtObj in entityLst)
                {
                    empDtObj.SupplierCode = VendCode;
                    empDtObj.ReadState = true;

                    SUPPLIER_INFO empObj = new SUPPLIER_INFO();
                    empObj.InjectFrom(empDtObj);
                    empObj.TaskId = taskSubObj.TaskId;
                    empObj.ReadState = true;
                    infos.Add(empObj);
                    //await _supplierInfoRepository.AddAsync(empObj);
                }
                _context.BulkInsert(infos);


                foreach (var empDtObj in entityLst)
                {
                    empDtObj.SupplierCode = VendCode;
                    //以“供应商代码+工厂代码+车间代码+产线代码+工位代码”为唯一标识，做新增或更新存储
                    var firstObj = _context.Set<SUPPLIER_INFO_DT>().FirstOrDefault(
                        itm => itm.SupplierCode == empDtObj.SupplierCode
                        && itm.PlantId == empDtObj.PlantId
                        && itm.WorkshopId == empDtObj.WorkshopId
                        && itm.ProductionLineId == empDtObj.ProductionLineId
                        && itm.StationId == empDtObj.StationId
                        );
                    if (firstObj == null)
                    {
                        var ret = await base.Create(empDtObj);
                    }
                    else
                    {
                        empDtObj.UId = firstObj.UId;
                        empDtObj.CreationTime = CommonHelper.CurrentTime;
                        var ret = await base.Update(empDtObj);
                    }
                }



                //_context.BulkMerge(entityLst,
                //    itm=>  itm.SupplierCode,
                //    itm=>  itm.PlantId,
                //    itm=>  itm.WorkshopId,
                //    itm=>  itm.ProductionLineId,
                //    itm=>  itm.StationId
                //);



                //_context.BulkMerge(entityLst, options => {
                //    options.ColumnPrimaryKeyExpression = itm =>
                //new
                //{
                //    itm.SupplierCode,
                //    itm.PlantId,
                //    itm.WorkshopId,
                //    itm.ProductionLineId,
                //    itm.StationId
                //};options.Transaction = tran;
                //}
                //);

                //foreach (var empDtObj in entityLst)
                //{
                //    empDtObj.SupplierCode = VendCode;
                //    //以“供应商代码+工厂代码+车间代码+产线代码+工位代码”为唯一标识，做新增或更新存储
                //    var firstObj = _context.Set<SUPPLIER_INFO_DT>().FirstOrDefault(
                //        itm => itm.SupplierCode == empDtObj.SupplierCode
                //        && itm.PlantId == empDtObj.PlantId
                //        && itm.WorkshopId == empDtObj.WorkshopId
                //        && itm.ProductionLineId == empDtObj.ProductionLineId
                //        && itm.StationId == empDtObj.StationId
                //        );
                //    if (firstObj == null)
                //    {
                //        var ret = await base.Create(empDtObj);
                //    }
                //    else
                //    {
                //        empDtObj.UId = firstObj.UId;
                //        empDtObj.CreationTime = CommonHelper.CurrentTime;
                //        var ret = await base.Update(empDtObj);
                //    }
                //}
                #endregion
                _context.SaveChanges();
                transaction.Commit();
                return Ok(true);
            }
            catch (Exception ex)
            {
                transaction.Rollback();
                throw new Exception("方法体执行报错，事务回滚：" + ex.Message);
            }
        }

        public override async Task<ActionResult<SUPPLIER_INFO_DT>> Create(SUPPLIER_INFO_DT entity)
        {
            using var transaction = _context.Database.BeginTransaction();
            var tran = transaction.GetDbTransaction();

            try
            {
                #region 数据库操作
                //添加任务

                TaskSub taskSubObj = _commonService.BuildTaskSub(1, _taskName);
                await _context.TaskSub.AddAsync(taskSubObj);
                entity.ReadState = true;
                entity.WriteState = false;
                entity.TaskId = taskSubObj.TaskId;
                //添加任务明细

                SUPPLIER_INFO empObj = new SUPPLIER_INFO();
                empObj.SupplierCode = entity.SupplierCode;
                empObj.SupplierName = entity.SupplierName;
                empObj.PlantId = entity.PlantId;
                empObj.PlantName = entity.PlantName;
                empObj.WorkshopId = entity.WorkshopId;
                empObj.WorkshopName = entity.WorkshopName;
                empObj.ProductionLineId = entity.ProductionLineId;
                empObj.ProductionLineName = entity.ProductionLineName;
                empObj.StationId = entity.StationId;
                empObj.StationName = entity.StationName;
                empObj.KeyStation = entity.KeyStation;
                empObj.DataUpdateTime = entity.DataUpdateTime;
                empObj.ProductionLineOrder = entity.ProductionLineOrder;
                empObj.StationOrder = entity.StationOrder;
                empObj.VendorProductNo = entity.VendorProductNo;
                empObj.VendorProductName = entity.VendorProductName;
                empObj.CheryProductNo = entity.CheryProductNo;
                empObj.CheryProductName = entity.CheryProductName;
                empObj.TaskId = taskSubObj.TaskId;
                empObj.ReadState = true;
                await _context.AddAsync(empObj);

                var firstObj = _context.Set<SUPPLIER_INFO_DT>().FirstOrDefault(
                 itm => itm.SupplierCode == entity.SupplierCode
                 && itm.PlantId == entity.PlantId
                 && itm.WorkshopId == entity.WorkshopId
                 && itm.ProductionLineId == entity.ProductionLineId
                 && itm.StationId == entity.StationId
                 );
                if (firstObj == null)
                {
                    var ret = await base.Create(entity);
                }
                else
                {
                    throw new Exception("数据库已经存在，不能重复插入");
                }



                //    _context.BulkMerge(new List<SUPPLIER_INFO_DT> { entity },
                //    itm => itm.SupplierCode,
                //    itm => itm.PlantId,
                //    itm => itm.WorkshopId,
                //    itm => itm.ProductionLineId,
                //    itm => itm.StationId
                //);






                // await _context.BulkMergeAsync(new List<SUPPLIER_INFO_DT> { entity }, options => { options.ColumnPrimaryKeyExpression = itm => new { itm.SupplierCode, itm.PlantId, itm.WorkshopId, itm.ProductionLineId, itm.StationId }; options.Transaction = tran; });


                _context.SaveChanges();
                #endregion

                transaction.Commit();
                return Ok(true);
            }
            catch (Exception ex)
            {
                transaction.Rollback();
                throw new Exception("方法体执行报错，事务回滚：" + ex.Message);
            }
        }

        public override async Task<IActionResult> Update(SUPPLIER_INFO_DT entity)
        {
            using var transaction = _context.Database.BeginTransaction();
            var tran = transaction.GetDbTransaction();

            try
            {
                #region 数据库操作
                //添加任务


                TaskSub taskSubObj = _commonService.BuildTaskSub(1, _taskName);
                await _context.TaskSub.AddAsync(taskSubObj);
                entity.ReadState = true;
                entity.WriteState = false;
                entity.TaskId = taskSubObj.TaskId;
                //添加任务明细

                SUPPLIER_INFO empObj = new SUPPLIER_INFO();
                empObj.SupplierCode = entity.SupplierCode;
                empObj.SupplierName = entity.SupplierName;
                empObj.PlantId = entity.PlantId;
                empObj.PlantName = entity.PlantName;
                empObj.WorkshopId = entity.WorkshopId;
                empObj.WorkshopName = entity.WorkshopName;
                empObj.ProductionLineId = entity.ProductionLineId;
                empObj.ProductionLineName = entity.ProductionLineName;
                empObj.StationId = entity.StationId;
                empObj.StationName = entity.StationName;
                empObj.KeyStation = entity.KeyStation;
                empObj.DataUpdateTime = entity.DataUpdateTime;
                empObj.ProductionLineOrder = entity.ProductionLineOrder;
                empObj.StationOrder = entity.StationOrder;
                empObj.VendorProductNo = entity.VendorProductNo;
                empObj.VendorProductName = entity.VendorProductName;
                empObj.CheryProductNo = entity.CheryProductNo;
                empObj.CheryProductName = entity.CheryProductName;
                empObj.TaskId = taskSubObj.TaskId;
                empObj.ReadState = true;
                await _context.AddAsync(empObj);
                var firstObj = _context.Set<SUPPLIER_INFO_DT>().FirstOrDefault(
                  itm => itm.SupplierCode == entity.SupplierCode
                  && itm.PlantId == entity.PlantId
                  && itm.WorkshopId == entity.WorkshopId
                  && itm.ProductionLineId == entity.ProductionLineId
                  && itm.StationId == entity.StationId
                  );
                if (firstObj == null)
                {
                    throw new Exception("数据库不存在，不能更新");
                }
                else
                {
                    var ret = await base.Update(entity);
                }

                //    _context.BulkMerge(new List<SUPPLIER_INFO_DT> { entity },
                //    itm => itm.SupplierCode,
                //    itm => itm.PlantId,
                //    itm => itm.WorkshopId,
                //    itm => itm.ProductionLineId,
                //    itm => itm.StationId
                //);
                // await _context.BulkMergeAsync(new List<SUPPLIER_INFO_DT> { entity }, options => { options.ColumnPrimaryKeyExpression = itm => new { itm.SupplierCode, itm.PlantId, itm.WorkshopId, itm.ProductionLineId, itm.StationId }; options.Transaction = tran; });


                _context.SaveChanges();



                #endregion

                transaction.Commit();
                return Ok(true);
            }
            catch (Exception ex)
            {
                transaction.Rollback();
                throw new Exception("方法体执行报错，事务回滚：" + ex.Message);
            }
        }
    }
}