using iTextSharp.text;
using iTextSharp.text.pdf;
using YLErp.BLL;
using YLErp.Configuration;
using YLErp.DBModels.Converts;
using YLErp.Helpers;
using YLErp.Model;
using YLErp.Modules.ClientModule;
using YLErp.Office.iTextModule;

namespace YLErp.Modules.ReportModule
{
    /// <summary>
    /// 到期日报告服务
    /// </summary>
    public class MaturityDateTradeService : YLBaseService
    {
        public MaturityDateTradeService(OptUserInfo userInfo) : base(userInfo)
        {
        }

        /// <summary>
        /// 发送到期日报告邮件
        /// </summary>
        public string SendEMailMaturityDateTrade(int? ClientId, DateTime? ExerciseDate)
        {
            if (ExerciseDate == null)
            {
                throw new ServiceException("到期日不可为空");
            }

            //获取当前用户可操作的所有交易信息
            var bll = new tradeBLL();
            var req = new TradeReq
            {
                ExerciseDate = ExerciseDate
            };
            req.ExerciseDateStart = req.ExerciseDate;
            req.ExerciseDateEnd = req.ExerciseDate;
            //req.TradeStatus = ConsTrade.确认成交;
            req.TradeStatusList = new List<string> { ConsTrade.已到期, ConsTrade.已执行, ConsTrade.确认成交, ConsTrade.期初价格已确认 };
            req.ClientId = ClientId;
            req.sidx = "OptDate";
            req.sord = "desc";
            var tradeList = bll.SearchTradeList(req, true, true);
            if (tradeList == null || tradeList.Count == 0)
            {
                throw new ServiceException(ExerciseDate.Value.Date.ToString("yyyy年MM月dd日") + "没有可行权报告信息需要发送!");
            }

            var clientIds = tradeList.Select(t => t.ClientId).ToList();
            var clientListOn = clientIds.Any() ? ClientDataQueryService.GetClientsFromDB(t => clientIds.Contains(t.id)).ToList() : null;

            if (clientListOn == null || clientListOn.Count < 1)
            {
                return "发送客户" + ExerciseDate.Value.Date.ToString("yyyy年MM月dd日") + "行权报告成功。";
            }

            var errorMsg = new List<string>();
            var errorClientList = new List<string>();

            foreach (var client in clientListOn)
            {
                var tempTradeList = tradeList.Where(t => t.ClientId == client.id).ToList();
                //生成文档保存到备份目录
                //string saveFileDir = Server.MapPath("~/App_Docs/MaturityDateTrade");
                //string fileName = @"D:\pdf\tests.pdf";
                //string filePath = Path.Combine(saveFileDir, client.Name+"_"+req.ExerciseDate.Value.Date);

                //设置文件名称
                var saveFileDir = OtcAppContext.MapPath("~/App_Docs/ManturityDateTrade");
                if (!Directory.Exists(saveFileDir))
                {
                    Directory.CreateDirectory(saveFileDir);
                }

                var fileName = $"行权日报告-{req.ExerciseDate.Value:yyyy-MM-dd}-{client.Name}.pdf";

                var filePath = Path.Combine(saveFileDir, fileName);

                var document = new Document(HeaderAndFooterEvent.rect);
                //此处使用的是http请求的流，你也可以使用文件流Stream
                var writer = PdfWriter.GetInstance(document, new FileStream(filePath, FileMode.Create));
                try
                {
                    document.Open();
                    writer.PageEvent = new HeaderAndFooterEvent();

                    HeaderAndFooterEvent.PAGE_NUMBER = true;//实现页眉跟页脚  
                    HeaderAndFooterEvent.tpl = writer.DirectContent.CreateTemplate(1000, 1000); //定义模板

                    HeaderAndFooterEvent.HeaderLeft = "";
                    HeaderAndFooterEvent.HeaderRight = PS.Config.CompanyName ?? "";
                    //HeaderAndFooterEvent.FooterLeft = "TEL:010-87922095";
                    HeaderAndFooterEvent.FooterRight = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + "(UTC)";

                    //每次在添加文本内容之前可以先设置字体，有效期持续到重新设置之前

                    HeaderAndFooterEvent.SetFont(BaseColor.DARK_GRAY, "宋体", 15, Font.BOLD);
                    document.Add(HeaderAndFooterEvent.AddParagraph("客户行权日报告", 1, 1.5f));
                    HeaderAndFooterEvent.SetFont(BaseColor.DARK_GRAY, "宋体", 12);
                    document.Add(HeaderAndFooterEvent.AddParagraph("客户：      " + client.Name, 0, 1.5f));
                    document.Add(HeaderAndFooterEvent.AddParagraph("日期：      " + req.ExerciseDate.Value.ToString("yyyy-MM-dd"), 0, 1.5f));
                    //增加空行
                    document.Add(HeaderAndFooterEvent.AddParagraph("            ", 0, 1.5f));
                    //输出客户行权报告表格信息
                    var table = new PdfPTable(10);
                    table.SetWidths(new float[] { 100, 120, 100, 150, 180, 130, 100, 100, 100, 100 });

                    //table.HorizontalAlignment = Element.ALIGN_RIGHT;
                    //table.SpacingBefore = (5);
                    //table.SpacingAfter = (5);

                    var bftitle = BaseFont.CreateFont("C:\\Windows\\Fonts\\SIMHEI.TTF", BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);   //用系统中的字体文件SimHei.ttf创建文件字体  
                    var fonttitle = new Font(bftitle, 10);

                    var cellTexts = new string[] { "交易方向", "期权类型", "看涨看跌", "行权方式", "到期日", "标的", "行权价", "期初价格", "名义本金", "交易数量" };
                    foreach (var text in cellTexts)
                    {
                        var cell = new PdfPCell(new Phrase(text, fonttitle))
                        {
                            BackgroundColor = (BaseColor.GRAY)
                        };
                        table.AddCell(cell);
                    }

                    if (tempTradeList != null && tempTradeList.Count > 0)
                    {
                        foreach (var trade in tempTradeList)
                        {
                            var underlyingCodes = tempTradeList.Select(t => t.UnderlyingId).Distinct().ToList();
                            var varietyDict = (from um in DbContext.underlying_manager
                                               join var in DbContext.variety on um.UnderlyingTypeId equals var.id
                                               where underlyingCodes.Contains(um.id)
                                               select new { underlyingId = um.id, variety = var }).ToDictionary(t => t.underlyingId, t => t.variety);

                            table.AddCell(new Phrase(BuySellConvert.GetClientBuySell(trade.BuySell), fonttitle));
                            table.AddCell(new Phrase(trade.TradeType, fonttitle));
                            table.AddCell(new Phrase(trade.CallPut == "Call" ? "看涨" : "看跌", fonttitle));

                            if (!string.IsNullOrEmpty(trade.ExerciseMode))
                            {
                                if (trade.ExerciseMode == "European")
                                {
                                    table.AddCell(new Phrase("欧式", fonttitle));
                                }
                                else if (trade.ExerciseMode == "American")
                                {
                                    table.AddCell(new Phrase("美式", fonttitle));
                                }
                                else
                                {
                                    table.AddCell(new Phrase("", fonttitle));
                                }
                            }
                            else
                            {
                                table.AddCell(new Phrase("", fonttitle));
                            }
                            table.AddCell(trade.ExerciseDate == null ? "" : trade.ExerciseDate.Value.ToString("yyyy-MM-dd"));
                            table.AddCell(trade.UnderlyingCode);
                            table.AddCell(new Phrase(trade.Strike == null ? "" : trade.Strike.Value + "", fonttitle));
                            table.AddCell(new Phrase(trade.SpotPrice == null ? "" : trade.SpotPrice.Value + "", fonttitle));
                            table.AddCell(new Phrase(trade.StockEqvNotional == 0 ? "" : trade.StockEqvNotional + "", fonttitle));

                            if (trade.UnderlyingInstrumentType == "Stock")
                            {
                                table.AddCell(new Phrase("", fonttitle));
                            }
                            else
                            {
                                var QuoteUnitSingle = "";
                                if (varietyDict != null && varietyDict.ContainsKey(trade.UnderlyingId))
                                {
                                    QuoteUnitSingle = varietyDict[trade.UnderlyingId].QuoteUnitSingle;
                                }
                                table.AddCell(new Phrase(trade.TradeAmount == 0 ? "" : trade.TradeAmount + QuoteUnitSingle, fonttitle));
                            }
                        }
                    }
                    else
                    {
                        var cell = new PdfPCell(new Phrase("无", fonttitle))
                        {
                            Colspan = (10)
                        };
                        table.AddCell(cell);
                    }

                    table.DefaultCell.BackgroundColor = (null);

                    document.Add(table);
                }
                finally
                {
                    writer.Flush();
                    writer.CloseStream = true;
                    document.Close();
                }

                // 要向该客户的所有订阅了邮件通知的人员发送邮件
                var emails = ClientDataQueryService.GetClientEmails(client.id, false);

                var sendMail = EmailHelper.SendMail(string.Join(";", emails), "行权日报告-" + req.ExerciseDate.Value.ToString("yyyy-MM-dd"), "", true, new[] { filePath });
                if (!string.IsNullOrEmpty(sendMail))
                {
                    errorClientList.Add(client.Name);
                    if (!errorMsg.Contains(sendMail))
                    {
                        errorMsg.Add(sendMail);
                    }
                }
            }

            //判断是否有发送失败的客户
            if (errorClientList.Count > 0)
            {
                throw new ServiceException($"错误:{string.Join(",", errorClientList.ToArray())}发送报告时出错，{string.Join(",", errorMsg)}。");
            }

            return "发送客户" + ExerciseDate.Value.Date.ToString("yyyy年MM月dd日") + "行权报告成功。";
        }
    }
}