using Magicodes.ExporterAndImporter.Excel;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Configuration;
using OfficeOpenXml.FormulaParsing.Excel.Functions.Text;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
using System.Threading.Tasks;
using TaskManager.Entity;
using TaskManager.EntityFramework.Repository;
using TaskManager.EntityFramework;
using Wood.Service.Controllers;
using Magicodes.ExporterAndImporter.Core.Models;
using Wood.Util;
using static Dapper.SqlMapper;
using System.Transactions;

namespace Wood.Service.Datas
{
    public class SupplierEmployeeDtService : NormalBaseController<SUPPLIER_EMPLOYEE_DT>
    {
        private readonly IRepository<TaskSub> _taskSubRepository;
        private readonly IRepository<SUPPLIER_EMPLOYEE> _supplierEmployeeRepository;
        private readonly IRepository<TaskConifgure> _taskConfigureRepository;

        public SupplierEmployeeDtService(JobDbContext context, IServiceProvider builder, IConfiguration configuration, IRepository<SUPPLIER_EMPLOYEE_DT> repository, IRepository<TaskSub> taskSubRepository, IRepository<SUPPLIER_EMPLOYEE> supplierEmployeeRepository, IRepository<TaskConifgure> taskConfigureRepository) : base(context, builder, configuration, repository)
        {
            _taskSubRepository = taskSubRepository;
            _supplierEmployeeRepository = supplierEmployeeRepository;
            _taskConfigureRepository = taskConfigureRepository;
        }

        [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_EMPLOYEE_DT> impResult = await importer.Import<SUPPLIER_EMPLOYEE_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 empDtLst = impResult.Data;

            using TransactionScope scope = new TransactionScope();
            try
            {
                #region 数据库操作
                //添加任务
                TaskSub taskSubObj = await BuildTaskSub(empDtLst.Count);
                await _taskSubRepository.AddAsync(taskSubObj);
                //添加任务明细
                foreach (var empDtObj in empDtLst)
                {
                    SUPPLIER_EMPLOYEE empObj = ExpressionGenericMapper<SUPPLIER_EMPLOYEE_DT, SUPPLIER_EMPLOYEE>.Trans(empDtObj);
                    empObj.TaskId = taskSubObj.TaskId;
                    await _supplierEmployeeRepository.AddAsync(empObj);
                }

                foreach (var empDtObj in empDtLst)
                {
                    //以“供应商代码+工厂代码+车间代码+产线代码+工位代码+操作人员账号”为唯一标识，做新增或者更新存储
                    var firstObj = _context.Set<SUPPLIER_EMPLOYEE_DT>().FirstOrDefault(
                        itm => itm.SupplierCode == empDtObj.SupplierCode
                        && itm.PlantId == empDtObj.PlantId
                        && itm.WorkshopId == empDtObj.WorkshopId
                        && itm.ProductionLineId == empDtObj.ProductionLineId
                        && itm.StationId == empDtObj.StationId
                        && itm.OperatorId == empDtObj.OperatorId
                        );
                    if (firstObj == null)
                    {
                        var ret = await base.Create(empDtObj);
                    }
                    else
                    {
                        var ret = await base.Update(empDtObj);
                    }
                }
                #endregion

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

        public override async Task<ActionResult<SUPPLIER_EMPLOYEE_DT>> Create(SUPPLIER_EMPLOYEE_DT entity)
        {
            using TransactionScope scope = new TransactionScope();
            try
            {
                #region 数据库操作
                //添加任务
                TaskSub taskSubObj = await BuildTaskSub(1);
                await _taskSubRepository.AddAsync(taskSubObj);
                //添加任务明细
                SUPPLIER_EMPLOYEE empObj = ExpressionGenericMapper<SUPPLIER_EMPLOYEE_DT, SUPPLIER_EMPLOYEE>.Trans(entity);
                empObj.TaskId = taskSubObj.TaskId;
                await _supplierEmployeeRepository.AddAsync(empObj);

                var firstObj = _context.Set<SUPPLIER_EMPLOYEE_DT>().FirstOrDefault(
                    itm => itm.SupplierCode == entity.SupplierCode
                    && itm.PlantId == entity.PlantId
                    && itm.WorkshopId == entity.WorkshopId
                    && itm.ProductionLineId == entity.ProductionLineId
                    && itm.StationId == entity.StationId
                    && itm.OperatorId == entity.OperatorId
                    );
                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");
                }
                #endregion

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

        public override async Task<IActionResult> Update(SUPPLIER_EMPLOYEE_DT entity)
        {
            using TransactionScope scope = new TransactionScope();
            try
            {
                #region 数据库操作
                //添加任务
                TaskSub taskSubObj = await BuildTaskSub(1);
                await _taskSubRepository.AddAsync(taskSubObj);
                //添加任务明细
                SUPPLIER_EMPLOYEE empObj = ExpressionGenericMapper<SUPPLIER_EMPLOYEE_DT, SUPPLIER_EMPLOYEE>.Trans(entity);
                empObj.TaskId = taskSubObj.TaskId;
                await _supplierEmployeeRepository.AddAsync(empObj);

                var firstObj = _context.Set<SUPPLIER_EMPLOYEE_DT>().FirstOrDefault(
                    itm => itm.SupplierCode == entity.SupplierCode
                    && itm.PlantId == entity.PlantId
                    && itm.WorkshopId == entity.WorkshopId
                    && itm.ProductionLineId == entity.ProductionLineId
                    && itm.StationId == entity.StationId
                    && itm.OperatorId == entity.OperatorId
                    );
                if (firstObj == null)
                {
                    throw new Exception("数据库不存在，不能更新");
                }
                else
                {
                    var ret = await base.Update(entity);
                }
                #endregion

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

        /// <summary>
        /// 生成TaskSub
        /// </summary>
        /// <param name="dataCount">任务明细数量</param>
        /// <returns></returns>
        /// <exception cref="Exception"></exception>
        private async Task<TaskSub> BuildTaskSub(int dataCount)
        {
            List<TaskConifgure> taskConfigureLst = (await _taskConfigureRepository.GetAllAsync()).ToList();

            TaskConifgure? taskConfigureObj = taskConfigureLst.FirstOrDefault(itm => itm.TaskName == "人员资质信息");
            if (taskConfigureObj == null)
            {
                throw new Exception("任务配置表没有'人员资质信息'任务");
            }

            TaskSub taskSub = new TaskSub();
            taskSub.TableName = taskConfigureObj.TableName; //关联的数据表名称（如：订单表、用户表等，可为空）
            taskSub.TaskName = taskConfigureObj.TaskName; //任务名称（用于业务层面标识任务，如：数据同步任务、报表生成任务）
            taskSub.DataCount = dataCount; //数据总量（任务处理的数据条目数）
            taskSub.Subscriber = taskConfigureObj.Client; //发布给那个客户
            taskSub.FailedCount = 0; //失败次数（任务执行失败的累计次数）
            taskSub.FailedInfo = ""; //失败详情（记录失败原因、异常堆栈等信息，支持长文本）
            taskSub.Domain = ""; //所属域（多租户场景下标识租户，如：租户A、租户B）
            taskSub.Site = ""; //站点标识（多站点部署时标识所属站点，如：Site1、Site2）
            taskSub.CreateUser = CommonHelper.UserName; //从那个内部系统创建系统
            taskSub.CreateTime = CommonHelper.CurrentTime; //创建时间（任务创建的时间戳）
            taskSub.Remark = ""; //备注信息（任务相关的补充说明，支持长文本）
            taskSub.UpdateUser = ""; //最后更新人（记录任务最后修改者）
            taskSub.UpdateTime = null; //最后更新时间（任务最后修改的时间戳，可为空）
            taskSub.SyncedPageCount = 0; //已同步页数
            taskSub.ReadState = true;
            taskSub.CreationTime = CommonHelper.CurrentTime;
            taskSub.TaskId = CommonHelper.NewGuid;
            return taskSub;
        }
    }
}