using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Windows.Forms;
using UAS_LabelMachine.Entity;

namespace UAS_LabelMachine
{
    public partial class ReSetMaxNum : Form
    {
        DataHelper dh = SystemInf.dh;

        string custcode;

        string inoutno;

        public ReSetMaxNum(string iCustCode,string iInoutno)
        {
            custcode = iCustCode;
            inoutno = iInoutno;
            InitializeComponent();
        }
        //前缀
        string Prefix = "";
        //后缀
        string Suffix = "";
        //编码规则编号
        string NrCode = "";

        string PrefixFixed = "";
        //流水号的索引
        int SerialNumIndex = 0;
        //流水长度
        int SerialNumLength = 0;
        //存放键值对
        int Radix = 10;
        //客户的流水号
        int custserialnum = 0;

        private void ReSetMaxNum_Load(object sender, EventArgs e)
        {

            DataTable Nr = (DataTable)dh.ExecuteSql("select nrd_detno,nrd_name,nrd_type,nrd_radix,nrd_sql,nrd_length,nr_code,nvl(nrd_iscombine,-1)nrd_iscombine from NoRuleDetail left join norule on nrd_nrid=nr_id where nr_custcode='" + custcode + "' order by nrd_detno", "select");
            //如果没有则取公共规则
            if (Nr.Rows.Count == 0)
                Nr = (DataTable)dh.ExecuteSql("select nrd_detno,nrd_name,nrd_radix,nrd_type,nrd_sql,nrd_length,nr_code,nvl(nrd_iscombine,-1)nrd_iscombine from NoRuleDetail left join norule on nrd_nrid=nr_id where nr_custcode is null and nr_isdefault <> 0 order by nrd_detno", "select");
            //用于过滤参数的正则表达式
            if (Nr.Rows.Count > 0)
            {
                NrCode = Nr.Rows[0]["nr_code"].ToString();
            }
            Regex match = new Regex("{\\w+}");
            //用于存放每一项的明细的数据
            string[] NrData = new string[Nr.Rows.Count];

            for (int m = 0; m < Nr.Rows.Count; m++)
            {
                switch (Nr.Rows[m]["nrd_type"].ToString())
                {
                    //常量直接进行拼接
                    case "常量":
                        NrData[m] = Nr.Rows[m]["nrd_sql"].ToString();
                        Prefix += NrData[m];
                        Suffix += NrData[m];
                        break;
                    case "SQL":
                        string SQL = Nr.Rows[m]["nrd_sql"].ToString();
                        DataTable Temp;
                        //如果不包含参数替换
                        if (SQL.IndexOf("{") == 0)
                        {
                            Temp = (DataTable)dh.ExecuteSql(SQL, "select");
                        }
                        else
                        {
                            //替换参数后重新执行SQL
                            foreach (Match mch in match.Matches(SQL))
                            {
                                SQL = SQL.Replace(mch.Value.Trim(), "'"+ inoutno + "'");
                            }
                            Temp = (DataTable)dh.ExecuteSql(SQL, "select");
                        }
                        if (Temp.Rows.Count > 0)
                        {
                            NrData[m] = Temp.Rows[0][0].ToString();
                            Prefix += NrData[m];
                            Suffix += NrData[m];
                        }
                        else
                        {
                            NrData[m] = "";
                            Prefix += NrData[m];
                            Suffix += NrData[m];
                        }
                        break;
                    //流水需要通过MaxNumber去取
                    case "流水":
                        NrData[m] = dh.getFieldDataByCondition("RuleMaxNum", "rmn_maxnumber", "rmn_nrcode='" + NrCode + "'").ToString();
                        Suffix = "";
                        PrefixFixed = Prefix;
                        //设置当前流水
                        custserialnum = int.Parse(NrData[m] == "" ? "0" : NrData[m]);
                        SerialNumIndex = m;
                        SerialNumLength = int.Parse(Nr.Rows[m]["nrd_length"].ToString());
                        Radix = int.Parse(Nr.Rows[m]["nrd_radix"].ToString());
                        break;
                    default:
                        break;
                }
            }
            string maxnum = dh.getFieldDataByCondition("RuleMaxNum", "rmn_maxnumber", "rmn_nrcode='" + NrCode + "' and rmn_prefix='" + Prefix + "'").ToString();
            if (maxnum == "")
            {
                dh.ExecuteSql("insert into RuleMaxNum(rmn_id,rmn_nrcode,rmn_prefix,rmn_maxnumber) values(RuleMaxNum_seq.nextval,'" + NrCode + "','" + Prefix + "','1')", "insert");
                maxnum = dh.getFieldDataByCondition("RuleMaxNum", "rmn_maxnumber", "rmn_nrcode='" + NrCode + "' and rmn_prefix='" + Prefix + "'").ToString();
                custserialnum = int.Parse(maxnum);
            }//如果流水号不为空则取当前流水
            else
            {
                custserialnum = int.Parse(maxnum);
            }
            Number.Text = custserialnum.ToString();
        }

        private void SingleLabelPrint_Click(object sender, EventArgs e)
        {
            int num = 0;
            if (int.TryParse(Number.Text, out num))
            {
                dh.UpdateByCondition("RuleMaxNum", "rmn_maxnumber='" + num + "'", "rmn_nrcode='" + NrCode + "' and rmn_prefix='" + Prefix + "'");
                MessageBox.Show("流水修改成功");
                Close();
            }
            else
            {
                MessageBox.Show("请填写正确的数字");
            }
        }
    }
}