using Newtonsoft.Json;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;

namespace PrintDemo
{
    public class PrintService
    {
        static byte[] b_init = PrinterCmdUtils.init_printer();
        static byte[] b_nextLine = PrinterCmdUtils.nextLine(1);
        static byte[] b_next2Line = PrinterCmdUtils.nextLine(2);
        static byte[] b_next3Line = PrinterCmdUtils.nextLine(3);
        static byte[] b_center = PrinterCmdUtils.alignCenter();
        static byte[] b_left = PrinterCmdUtils.alignLeft();
        static byte[] b_breakPartial = PrinterCmdUtils.feedPaperCutPartial();

        public static byte[] OrderPrint(DataRow saleBillRow, DataTable saleDetailTable)
        {
            try
            {
                string _strTake = saleBillRow["TABLE_NUMBER"].ToString() == "2000" ? "预约" : "堂食";
                byte[][] _bTicketTop =
                {
                    b_init,
                    b_center,Encoding.GetEncoding("gbk").GetBytes("制作单"),b_nextLine,
                    b_left,PrinterCmdUtils.boldOn(),PrinterCmdUtils.fontSizeSetBig(2),
                    Encoding.GetEncoding("gbk").GetBytes(GetLine("餐桌号:" + saleBillRow["TABLE_NUMBER"].ToString() ,_strTake,20,' ')),b_nextLine,
                    b_left,Encoding.GetEncoding("gbk").GetBytes("联系人:" ),b_nextLine,
                    PrinterCmdUtils.alignRight(),Encoding.GetEncoding("gbk").GetBytes( saleBillRow["ORDER_PERSON"].ToString() + "[" +  saleBillRow["ORDER_PERSONTEL"].ToString() + "]"),b_nextLine,
                    b_left,Encoding.GetEncoding("gbk").GetBytes(_strTake=="预约"?"取餐时间:":"交易时间"),b_nextLine,
                    PrinterCmdUtils.alignRight(),Encoding.GetEncoding("gbk").GetBytes(_strTake=="预约"?saleBillRow["RESERVATION_DATE"].ToString():saleBillRow["ORDER_DATE"].ToString()),b_nextLine,
                    b_center,PrinterCmdUtils.boldOff(),PrinterCmdUtils.fontSizeSetBig(1),Encoding.GetEncoding("gbk").GetBytes("----------------------------------------"),b_nextLine,
                    b_left,Encoding.GetEncoding("gbk").GetBytes("商品名称                            数量"),b_nextLine
                };
                List<string> _ListGoods = new List<string>();
                for (int i = 0; i < saleDetailTable.Rows.Count; i++)
                {
                    //_ListGoods.Add(saleDetailTable.Rows[i]["COMMODITY_NAME"].ToString());
                    decimal _GoodCount = 0;
                    decimal.TryParse(saleDetailTable.Rows[i]["ORDER_COUNT"].ToString(), out _GoodCount);
                    _ListGoods.Add(GetLine(saleDetailTable.Rows[i]["COMMODITY_NAME"].ToString(), "*" + _GoodCount.ToString("F2"), 48, ' '));
                }

                byte[][] _bTicketGoods = new byte[_ListGoods.Count * 2 + 1][];
                _bTicketGoods[0] = PrinterCmdUtils.fontSizeSetBig(1);
                for (int i = 0; i < _ListGoods.Count * 2; i += 2)
                {
                    _bTicketGoods[i + 1] = Encoding.GetEncoding("gbk").GetBytes(_ListGoods[i / 2]);
                    _bTicketGoods[i + 2] = b_nextLine;
                }
                decimal _amount = 0;
                decimal.TryParse(saleBillRow["ORDER_AMOUNT"].ToString(), out _amount);
                byte[][] _bTicketEnd =
                {
                    b_nextLine,b_center,Encoding.GetEncoding("gbk").GetBytes("----------------------------------------"),
                    b_next2Line,b_left,PrinterCmdUtils.boldOn(),PrinterCmdUtils.fontSizeSetBig(2),
                    Encoding.GetEncoding("gbk").GetBytes(GetLine("合计:", _amount.ToString("F2"),20,' ')),
                    b_next2Line, b_breakPartial
                };
                byte[][] _bTicket = new byte[_bTicketTop.Length + _bTicketEnd.Length + _bTicketGoods.Length][];
                Array.Copy(_bTicketTop, _bTicket, _bTicketTop.Length);
                Array.Copy(_bTicketGoods, 0, _bTicket, _bTicketTop.Length, _bTicketGoods.Length);
                Array.Copy(_bTicketEnd, 0, _bTicket, _bTicketTop.Length + _bTicketGoods.Length, _bTicketEnd.Length);
                return PrinterCmdUtils.byteMerger(_bTicket);
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
        public static string GetLine(string chars1, string chars2, int length, char paddingChar = '\0')
        {
            int len = (length - GetSingleLength(chars1) - GetSingleLength(chars2)) + chars2.Length;
            string chars = chars1 + chars2.PadLeft(len, ' ');
            return chars;
        }
        private static int GetSingleLength(string input)
        {
            if (string.IsNullOrEmpty(input))
            {
                return 0;
            }
            return System.Text.RegularExpressions.Regex.Replace(input, @"[^\x00-\xff]", "aa").Length;//计算得到该字符串对应单字节字符串的长度  
        }

        /// <summary>
        /// 会员充值小票
        /// </summary>
        /// <param name="shop"></param>
        /// <param name="num"></param>
        /// <param name="count"></param>
        /// <param name="way"></param>
        /// <param name="time"></param>
        /// <returns></returns>
        public static byte[] charge(String shop, String num, String count, String way, String time)
        {
            String shop_f = "   会员充值（" + shop + "）";
            String num_f = "   会员号码：" + num;
            String count_f = "   充值金额：" + count;
            String way_f = "   充值方式：" + way;
            String time_f = "   充值时间：" + time;

            try
            {
                byte[] b_title = System.Text.Encoding.GetEncoding("gbk").GetBytes(shop_f);
                byte[] b_num = System.Text.Encoding.GetEncoding("gbk").GetBytes(num_f);
                byte[] b_count = System.Text.Encoding.GetEncoding("gbk").GetBytes(count_f);
                byte[] b_way = System.Text.Encoding.GetEncoding("gbk").GetBytes(way_f);
                byte[] b_time = System.Text.Encoding.GetEncoding("gbk").GetBytes(time_f);
                byte[] b_no = System.Text.Encoding.GetEncoding("gbk").GetBytes("   ----------------------------------------");
                byte[] b_breakPartial = PrinterCmdUtils.feedPaperCutPartial();

                byte[][] charge_0 = {
                    b_init,
                    b_center, b_title,  b_next2Line,
                    b_left,   b_count,  b_nextLine,
                    b_way,    b_nextLine,
                    b_time,   b_nextLine,
                    b_no,     b_nextLine,
                    b_breakPartial,
                    PrinterCmdUtils.open_money()
                    };

                byte[][] charge_1 = {
                    b_init,
                    b_center, b_title,  b_next2Line,
                    b_left,   b_num,    b_nextLine,
                    b_count,  b_nextLine,
                    b_way,    b_nextLine,
                    b_time,   b_nextLine,
                    b_no,     b_nextLine,
                    b_breakPartial,
                    PrinterCmdUtils.open_money()
                    };

                if (String.IsNullOrEmpty(num))
                {
                    return PrinterCmdUtils.byteMerger(charge_0);
                }
                else
                {
                    return PrinterCmdUtils.byteMerger(charge_1);
                }
            }
            catch (Exception)
            {
                throw;
            }
        }

        /// <summary>
        /// 收银小票  Json对象拼接
        /// </summary>
        /// <param name="head"></param>
        /// <param name="recv"></param>
        /// <param name="foot"></param>
        /// <returns></returns>
        public static byte[] jsonParse(String head, String recv, String foot, String url)
        {
            try
            {
                //二维码生成
                EscCommand esc = new EscCommand();
                esc.AddSelectErrorCorrectionLevelForQRCode((byte)0x31);
                esc.AddSelectSizeOfModuleForQRCode((byte)8);
                esc.AddStoreQRCodeData(url);
                esc.AddPrintQRCode();

                ArrayList datas = esc.GetCommand();
                Byte[] Bytes = new Byte[datas.Count];
                for (int i = 0; i < datas.Count; i++)
                {
                    Bytes[i] = (Byte)datas[i];
                }

                byte[] bytes = EscCommand.ToPrimitive(Bytes);

                //打印小票头部
                List<String> headString = new List<String>();
                List<TicketHead> mHeads = JsonConvert.DeserializeObject<List<TicketHead>>(head);

                headString.Add("  " + mHeads[0].Ordertime);
                headString.Add("  NO." + mHeads[0].Shopno);
                headString.Add(FileUtils.getFixedWidthString("  当班人员：" + mHeads[0].Shopuser, 36) + "餐牌号:" + mHeads[0].Card);
                headString.Add("  ---------------------------------------------");

                List<String> newString = new List<String>();
                List<Ticket> mTickets = JsonConvert.DeserializeObject<List<Ticket>>(recv);

                String nameTitle = "  名称              数量 售价    优惠    总额";
                newString.Add(nameTitle);

                for (int i = 0; i < mTickets.Count; i++)
                {
                    StringBuilder item = new StringBuilder();

                    if (("1".Equals(mTickets[i].Type) || "2".Equals(mTickets[i].Type)))
                    {
                        if ("".Equals(mTickets[i].Parentid))
                        {
                            if (mTickets[i].Name.Length > 8)
                            {
                                item.Append(FileUtils.getFixedWidthString(mTickets[i].Name.Substring(0, 8), 19));
                                item.Append(mTickets[i].Num.PadRight(4));
                                item.Append(String.Format("{0:F2}", mTickets[i].Price).PadRight(8));
                                item.Append(String.Format("{0:F2}", mTickets[i].Rebetmoney).PadRight(8));
                                item.Append(String.Format("{0:F2}", mTickets[i].Money).PadRight(6));

                                newString.Add("  " + item.ToString());
                                newString.Add("  " + mTickets[i].Name.Substring(8, mTickets[i].Name.Length - 8));
                            }
                            else
                            {
                                item.Append(FileUtils.getFixedWidthString(mTickets[i].Name, 19));
                                item.Append(mTickets[i].Num.PadRight(4));
                                item.Append(String.Format("{0:F2}", mTickets[i].Price).PadRight(8));
                                item.Append(String.Format("{0:F2}", mTickets[i].Rebetmoney).PadRight(8));
                                item.Append(String.Format("{0:F2}", mTickets[i].Money).PadRight(6));

                                newString.Add("  " + item.ToString());
                            }
                        }
                        else
                        {
                            newString.Add("  " + mTickets[i].Name);
                        }
                    }
                }

                newString.Add("  ---------------------------------------------");

                List<String> footString = new List<String>();
                List<TicketFoot> mFoots = JsonConvert.DeserializeObject<List<TicketFoot>>(foot);

                String moneytotal = ((float.Parse(mFoots[0].DecAmmBalance) + float.Parse(mFoots[0].DecGroupBuyMoney))).ToString("f2");
                String money = ((float.Parse(mFoots[0].DecRebeatBalance) + float.Parse(mFoots[0].DecGroupBuyMoney))).ToString("f2");

                footString.Add(FileUtils.getFixedWidthString("  餐品数量:", 20) + FileUtils.getFixedWidthString(mFoots[0].Counts, 10) + "点餐金额: " + moneytotal.PadRight(4));

                if (float.Parse(mFoots[0].DecWipeMoney) != 0.0f)
                    footString.Add(FileUtils.getFixedWidthString("  抹零优惠:", 40) + mFoots[0].DecWipeMoney);

                if (float.Parse(mFoots[0].DecMemberCoupon) != 0.0f)
                    footString.Add(FileUtils.getFixedWidthString("  会员优惠:", 40) + mFoots[0].DecMemberCoupon);

                if (float.Parse(money) != 0.0f)
                {
                    footString.Add(FileUtils.getFixedWidthString("  券类优惠:", 40) + money.PadRight(4));

                    for (int i = 0; i < mTickets.Count; i++)
                    {
                        if (!"1".Equals(mTickets[i].Type) && !"2".Equals(mTickets[i].Type))
                        {
                            footString.Add(FileUtils.getFixedWidthString("    " + mTickets[i].Name, 20) + mTickets[i].Num);
                        }
                        else
                        {
                            if (!string.IsNullOrEmpty(mTickets[i].RebetName))
                                footString.Add(FileUtils.getFixedWidthString("    " + mTickets[i].RebetName, 20) + 1);
                        }
                    }
                }

                footString.Add("  ---------------------------------------------");
                if (float.Parse(mFoots[0].DecPaidBalance) != 0.0f)
                    footString.Add(FileUtils.getFixedWidthString("  折后支付:", 40) + mFoots[0].DecPaidBalance);

                if (float.Parse(mFoots[0].Membermoney) != 0.0f)
                    footString.Add(FileUtils.getFixedWidthString("  会员支付:", 40) + mFoots[0].Membermoney);

                if (float.Parse(mFoots[0].Cashmoney) != 0.0f)
                    footString.Add(FileUtils.getFixedWidthString("  现金支付:", 40) + mFoots[0].Cashmoney);

                if (!string.IsNullOrEmpty(mFoots[0].Bankmoney))
                    footString.Add(FileUtils.getFixedWidthString("  " + mFoots[0].Bankmoney.Split(':')[0], 40) + mFoots[0].Bankmoney.Split(':')[1]);

                if (float.Parse(mFoots[0].Givechange) != 0.0f)
                    footString.Add(FileUtils.getFixedWidthString("  现金找零:", 40) + mFoots[0].Givechange);

                if (float.Parse(mFoots[0].RechMoney) != 0.0f)
                    footString.Add(FileUtils.getFixedWidthString("  充值金额:", 40) + mFoots[0].RechMoney);

                /////////////////////////////////////////////////////////////////////////////////////////


                byte[][] headByte = new byte[15][];                                    //头部数组
                headByte[0] = b_init;
                headByte[1] = b_center;
                headByte[2] = System.Text.Encoding.GetEncoding("gbk").GetBytes("欢迎光临");
                headByte[3] = b_nextLine;
                headByte[4] = System.Text.Encoding.GetEncoding("gbk").GetBytes(mHeads[0].Shopbrand);
                headByte[5] = b_next2Line;
                headByte[6] = b_left;
                for (int i = 0; i < 8; i += 2)
                {
                    headByte[i + 7] = System.Text.Encoding.GetEncoding("gbk").GetBytes(headString[i / 2]);
                    headByte[i + 8] = b_nextLine;
                }

                byte[][] contentByte = new byte[newString.Count * 2][];            //中间体
                for (int i = 0; i < newString.Count * 2; i += 2)
                {
                    contentByte[i] = System.Text.Encoding.GetEncoding("gbk").GetBytes(newString[i / 2]);
                    contentByte[i + 1] = b_nextLine;
                }

                byte[][] footByte = new byte[footString.Count * 2 + 23][];            //底部数组
                for (int i = 0; i < footString.Count * 2; i += 2)
                {
                    footByte[i] = System.Text.Encoding.GetEncoding("gbk").GetBytes(footString[i / 2]);
                    footByte[i + 1] = b_nextLine;
                }

                footByte[footString.Count * 2] = System.Text.Encoding.GetEncoding("gbk").GetBytes("  ---------------------------------------------");
                if (string.IsNullOrEmpty(mHeads[0].Memberid))
                {
                    footByte[footString.Count * 2 + 1] = b_center;
                    footByte[footString.Count * 2 + 2] = b_center;
                }
                else
                {
                    footByte[footString.Count * 2 + 1] = b_nextLine;
                    footByte[footString.Count * 2 + 2] = System.Text.Encoding.GetEncoding("gbk").GetBytes("  会员号：" + mHeads[0].Memberid);
                }

                footByte[footString.Count * 2 + 3] = b_next2Line;
                footByte[footString.Count * 2 + 4] = b_center;
                footByte[footString.Count * 2 + 5] = System.Text.Encoding.GetEncoding("gbk").GetBytes("谢谢惠顾！欢迎再次光临！");
                footByte[footString.Count * 2 + 6] = b_nextLine;
                footByte[footString.Count * 2 + 7] = System.Text.Encoding.GetEncoding("gbk").GetBytes("如需开发票，请凭小票在一周内到门店开取");
                footByte[footString.Count * 2 + 8] = b_next2Line;

                footByte[footString.Count * 2 + 9] = b_left;
                footByte[footString.Count * 2 + 10] = System.Text.Encoding.GetEncoding("gbk").GetBytes("  门店地址：" + mHeads[0].Shopaddress);
                footByte[footString.Count * 2 + 11] = b_nextLine;
                footByte[footString.Count * 2 + 12] = System.Text.Encoding.GetEncoding("gbk").GetBytes("  联系电话：" + mHeads[0].Shoptel);
                footByte[footString.Count * 2 + 13] = b_nextLine;
                footByte[footString.Count * 2 + 14] = System.Text.Encoding.GetEncoding("gbk").GetBytes("  品牌网址：" + mHeads[0].Url);
                footByte[footString.Count * 2 + 15] = b_next2Line;
                footByte[footString.Count * 2 + 16] = b_center;

                footByte[footString.Count * 2 + 17] = b_next2Line;
                footByte[footString.Count * 2 + 18] = System.Text.Encoding.GetEncoding("gbk").GetBytes("微信扫一扫    畅享免费WiFi");
                footByte[footString.Count * 2 + 19] = b_next2Line;

                footByte[footString.Count * 2 + 20] = bytes;
                footByte[footString.Count * 2 + 21] = b_breakPartial;
                footByte[footString.Count * 2 + 22] = PrinterCmdUtils.open_money();

                byte[][] totalByte = new byte[38 + newString.Count * 2 + footString.Count * 2][];

                Array.Copy(headByte, totalByte, headByte.Length);
                Array.Copy(contentByte, 0, totalByte, headByte.Length, contentByte.Length);
                Array.Copy(footByte, 0, totalByte, headByte.Length + contentByte.Length, footByte.Length);

                return PrinterCmdUtils.byteMerger(totalByte);
            }
            catch (Exception ex)
            {
                //Logger.Trace("Head:" + head);
                //Logger.Trace("Recv:" + recv);
                //Logger.Trace("Foot:" + foot);
                //Logger.Trace("url:" + url);

                throw ex;
            }
        }
    }
}