using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using Estsh.Web.Dal;
using System.Collections;
using Estsh.Web.Util;
using System.Data;
using System.IO;
using Estsh.Web.Models;

/***************************************************************************************************
 * 
 * 作者：康庆
 * 
 * *************************************************************************************************/
namespace Estsh.Core.Services
{
    /// <summary>
    /// 立体库计划导入模块业务类
    /// </summary>
    public class PredictionOrderImportService
    {
        private PredictionOrderImportDal dal = new PredictionOrderImportDal(RemotingProxyProvider._remotingProxy);
        private Hashtable result = new Hashtable();
        private const int PredictedPlan = 10;//预测计划
        private const int CeremonialPlan = 20;//正式计划

        private const int SPORADIC_OUT = 30;

        #region 公共方法
        /// <summary>
        /// 读取采购订单文件并更新至数据库
        /// </summary>
        /// <param name="inputStream">文件全路径</param>
        /// <param name="userInfo">登录用户信息</param>
        public Hashtable ReadExcelFile(Stream inputStream, int orderType, UserInfo user)
        {
            DataTable dt;
            //if (orderType == PredictedPlan)
            //{
                dt = AsposeExcelTools.ExcelFileToDataTable(inputStream);
            //}
            //else
            //{
            //    dt = AsposeExcelTools.ExcelFileToDataTable(inputStream, true);
            //}


            if (dt == null || dt.Rows.Count <= 0)
            {
                result.Add("message", "Excel数据为空！");
                result.Add("flag", "error");
            }
            else
            {
                try
                {
                    switch (orderType)
                    {
                        case PredictedPlan:
                            //正式计划导入
                            if (CheckInput(dt, orderType))
                            {
                                ImportPredictedPlanData(dt, user.empId);
                            }

                            break;
                        case SPORADIC_OUT:
                            //零星计划导入
                            if (LXCheckInput(dt, orderType))
                            {
                                ImportLXPlanData(dt, user.empId);
                            }

                            break;
                    }
                }
                catch (Exception e)
                {
                    result.Clear();
                    result.Add("message", e.Message);
                    result.Add("flag", "error");
                }
            }
            return result;
        }



        /// <summary>
        /// 判断字符串是否为日期
        /// </summary>
        /// <param name="date"></param>
        /// <returns></returns>
        public bool IsDate(string date)
        {
            try
            {
                DateTime.Parse(date);
                return true;
            }
            catch
            {
                return false;
            }
        }

        /// <summary>
        /// 判断字符串是否为月数
        /// </summary>
        /// <param name="date"></param>
        /// <returns></returns>
        public bool IsMonth(string date)
        {
            try
            {
                if (!(date.Length == 6))
                {
                    return false;
                }

                date = date.Substring(4, 2);
                string[] monthList = { "01", "02", "03", "04", "05", "06", "07", "08", "09", "10", "11", "12" };
                if (monthList.Contains(date))
                {
                    return true;
                }
                else
                {
                    return false;
                }
            }
            catch
            {
                return false;
            }
        }

        #endregion

        #region 预测计划导入

        /// <summary>
        /// 检查待导入的数据
        /// </summary>
        /// <param name="dtCheck"></param>
        /// <returns></returns>
        private bool CheckInput(DataTable dtCheck, int orderType)
        {
            for (int i = 2; i < dtCheck.Rows.Count; i++)
            {
                //string strOrderSeq = dtCheck.Rows[i]["Column2"].ToString();
                string strModelType = dtCheck.Rows[i]["Column2"].ToString();
                string strModel = dtCheck.Rows[i]["Column3"].ToString();
                int strQty = 0;
                try
                {
                    strQty = Convert.ToInt32(dtCheck.Rows[i]["Column5"].ToString());
                }
                catch
                { strQty = 0; }
                DataTable model_name = dal.getModelname(strModelType, strModel);

                if (null == model_name || model_name.Rows.Count <= 0)
                {
                    result.Add("message", string.Format("第" + i + 1 + "行，" + "配置名称{0}不存在,请确认基础数据!", strModel));
                    result.Add("flag", "error");
                    return false;
                }

                if (strQty <= 0)
                {
                    result.Add("message", "第" + i + 1 + "行，数量填写错误!");
                    result.Add("flag", "error");
                    return false;
                }
            }
            return true;
        }

        /// <summary>
        /// 检查待导入的数据
        /// </summary>
        /// <param name="dtCheck"></param>
        /// <returns></returns>
        private bool LXCheckInput(DataTable dtCheck, int orderType)
        {
            for (int i = 2; i < dtCheck.Rows.Count; i++)
            {
                //string strOrderSeq = dtCheck.Rows[i]["Column2"].ToString();
                string strPartNo = dtCheck.Rows[i]["Column2"].ToString();
                int strQty = 0;
                try
                {
                    strQty = Convert.ToInt32(dtCheck.Rows[i]["Column4"].ToString());
                }
                catch
                { 
                    strQty = 0;
                }

                DataTable listPartNo = dal.getPartNo(strPartNo);

                if (null == listPartNo || listPartNo.Rows.Count <= 0)
                {
                    result.Add("message", string.Format("第" + i + 1 + "行，" + "总成零件号{0}不存在,请确认基础数据!", strPartNo));
                    result.Add("flag", "error");
                    return false;
                }

                if (strQty <= 0)
                {
                    result.Add("message", "第" + i + 1 + "行，数量填写错误!");
                    result.Add("flag", "error");
                    return false;
                }
            }
            return true;
        }

        #endregion

        #region 计划导入
        /// <summary>
        /// 导入正式计划
        /// </summary>
        /// <param name="dtFile"></param>
        /// <param name="empId"></param>
        /// <param name="orderType"></param>
        /// <returns></returns>
        private int ImportPredictedPlanData(DataTable dtFile, int empId)
        {
            try
            {
                Hashtable insertHt = new Hashtable();
                List<Hashtable> insertList = new List<Hashtable>();
                List<string> sqlList = new List<string>();
                List<string> sqlDetailList = new List<string>();

                for (int i = 2; i < dtFile.Rows.Count; i++)
                {
                    insertHt = new Hashtable();
                    int strQty = Convert.ToInt32(dtFile.Rows[i]["Column5"].ToString());
                    string strModelType = dtFile.Rows[i]["Column2"].ToString();
                    string strModel = dtFile.Rows[i]["Column3"].ToString();

                    //dal.PredictionOrderImport(strModelType, strModel, strQty);
                }
                result.Add("message", string.Format("导入成功!"));
                result.Add("flag", "OK");

                dal.ExecuteSqlTransaction(sqlList, insertList);
            }
            catch (Exception ex)
            {
                result.Add("message", ex.Message);
                result.Add("flag", "error");
                return 0;
            }
            return 1;
        }

        /// <summary>
        /// 导入零星计划
        /// </summary>
        /// <param name="dtFile"></param>
        /// <param name="empId"></param>
        /// <param name="orderType"></param>
        /// <returns></returns>
        private int ImportLXPlanData(DataTable dtFile, int empId)
        {
            try
            {
                Hashtable insertHt = new Hashtable();
                List<Hashtable> insertList = new List<Hashtable>();
                List<string> sqlList = new List<string>();
                List<string> sqlDetailList = new List<string>();

                string OrderNo = dal.getOrderNo();

                if (OrderNo == "")
                {
                    result.Add("message", "单号获取失败！");
                    result.Add("flag", "error");
                }

                for (int i = 2; i < dtFile.Rows.Count; i++)
                {
                    insertHt = new Hashtable();
                    int strQty = Convert.ToInt32(dtFile.Rows[i]["Column4"].ToString());
                    string strPartNo = dtFile.Rows[i]["Column2"].ToString();

                    dal.LXOrderImport(OrderNo, strPartNo, strQty, empId);
                }
                result.Add("message", string.Format("导入成功!"));
                result.Add("flag", "OK");

                dal.ExecuteSqlTransaction(sqlList, insertList);
            }
            catch (Exception ex)
            {
                result.Add("message", ex.Message);
                result.Add("flag", "error");
                return 0;
            }
            return 1;
        }
        #endregion


    }
}