using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Configuration;

namespace BARCODELIBRARY
{
    public partial class Update : Form
    {
        WaiteFrom _WaitForm;
        public static string _Helper = ConfigurationManager.AppSettings["OracleHelper"].ToString();
        OracleHelper _OracleHelper = new OracleHelper(_Helper.Split('|')[0], _Helper.Split('|')[1], _Helper.Split('|')[2], _Helper.Split('|')[3]);
        public Update()
        {
            InitializeComponent();
        }

        private void Update_Load(object sender, EventArgs e)
        {
            this.Text = "基础库信息更新";
        }

        private void BT_Update_Click(object sender, EventArgs e)
        {
            ShowWaiteForm();
            _WaitForm.ShowMessage("正在更新...");
            //更新基础库数据
            string insert_SQL = @"INSERT INTO HIGHWAY_EXCHANGE.T_BARCODELIBRARY 
                                        (BARCODELIBRARY_ID,COMMODITY_TYPE,COMMODITY_CODE,COMMODITY_NAME,COMMODITY_BARCODE,
                                         COMMODITY_EN,COMMODITY_UNIT,COMMODITY_RULE,COMMODITY_RETAILPRICE,ADDTIME,COMMODITY_STATE) 
                                (SELECT HIGHWAY_EXCHANGE.SEQ_BARCODELIBRARY.NEXTVAL,A.COMMODITY_TYPE,
                                        lpad(to_char(HIGHWAY_EXCHANGE.SEQ_BARCODELIBRARY.NEXTVAL), 8, '0'),
                                        A.COMMODITY_NAME,A.COMMODITY_BARCODE,A.COMMODITY_EN,A.COMMODITY_UNIT,
                                        A.COMMODITY_RULE,A.COMMODITY_RETAILPRICE,SYSDATE,1 
                                   FROM (SELECT COMMODITY_TYPE,COMMODITY_CODE,COMMODITY_NAME,COMMODITY_BARCODE,
                                        COMMODITY_EN,COMMODITY_UNIT,COMMODITY_RULE,COMMODITY_RETAILPRICE 
                                        FROM (SELECT COMMODITY_TYPE,COMMODITY_CODE,COMMODITY_NAME,COMMODITY_BARCODE,
		                                COMMODITY_EN,COMMODITY_UNIT,COMMODITY_RULE,COMMODITY_RETAILPRICE,
		                                ROW_NUMBER() OVER (PARTITION BY COMMODITY_BARCODE ORDER BY COMMODITYEX_ID) AS RK 
  	                               FROM HIGHWAY_EXCHANGE.T_COMMODITYEX) WHERE RK = 1) A 
                              WHERE NOT EXISTS(SELECT 1 FROM HIGHWAY_EXCHANGE.T_BARCODELIBRARY B 
                                  WHERE A.COMMODITY_BARCODE = B.COMMODITY_BARCODE) AND COMMODITY_RETAILPRICE < 1000000 AND 
                                        LENGTH(COMMODITY_BARCODE) > 8 AND COMMODITY_NAME != '未知商品' AND  
                                        not regexp_like(COMMODITY_BARCODE,'[[:alpha:]]')) ";
            string sql = @"UPDATE HIGHWAY_EXCHANGE.T_BARCODELIBRARY SET COMMODITY_CODE = LPAD(BARCODELIBRARY_ID,8,'0') 
            WHERE COMMODITY_CODE IS NULL";
            _OracleHelper.ExcuteSql(sql);
            if (_OracleHelper.ExcuteSql(insert_SQL) > 0)
            {
                MessageBox.Show("更新成功！");
            }
            else
            {
                MessageBox.Show("暂无需更新的数据！");
            }
            dataGridView1.DataSource = getdate();
            label3.Text = dataGridView1.Rows.Count.ToString();
            _WaitForm.Close();
            _WaitForm.Dispose();
        }

        private void Update_FormClosing(object sender, FormClosingEventArgs e)
        {
            this.DialogResult = DialogResult.OK;
        }

        public void ShowWaiteForm()
        {
            _WaitForm = WaiteFrom.GetInstance();
            //设置WaitForm的父窗体为当前窗体，以便在WaitForm中使用父窗体对象
            _WaitForm.Owner = this;
            _WaitForm.ShowMessage("加载中......");
            _WaitForm.Show();
            Application.DoEvents();
            _WaitForm.Refresh();
        }

        public DataTable getdate()
        {
            //查询需要更新的数据
            string sql = @"SELECT A.COMMODITY_TYPE AS 商品类型,A.COMMODITY_CODE AS 商品编码,A.COMMODITY_NAME AS 商品名称,
                          A.COMMODITY_BARCODE AS 商品条码,A.COMMODITY_EN 商品简称,A.COMMODITY_UNIT AS 商品单位,
                          A.COMMODITY_RULE AS 商品规格,A.COMMODITY_RETAILPRICE AS 商品零售价,A.COMMODITY_MEMBERPRICE AS 会员价
                    FROM (SELECT COMMODITY_TYPE,COMMODITY_CODE,COMMODITY_NAME,COMMODITY_BARCODE,
                          COMMODITY_EN,COMMODITY_UNIT,COMMODITY_RULE,COMMODITY_RETAILPRICE,COMMODITY_MEMBERPRICE
                          FROM (SELECT COMMODITY_TYPE,COMMODITY_CODE,COMMODITY_NAME,COMMODITY_BARCODE,
		                  COMMODITY_EN,COMMODITY_UNIT,COMMODITY_RULE,COMMODITY_RETAILPRICE,COMMODITY_MEMBERPRICE,
		                  ROW_NUMBER() OVER (PARTITION BY COMMODITY_BARCODE ORDER BY COMMODITYEX_ID) AS RK 
  	                FROM HIGHWAY_EXCHANGE.T_COMMODITYEX) WHERE RK = 1) A 
                   WHERE NOT EXISTS(SELECT 1 FROM HIGHWAY_EXCHANGE.T_BARCODELIBRARY B 
                   WHERE A.COMMODITY_BARCODE = B.COMMODITY_BARCODE) AND COMMODITY_RETAILPRICE < 1000000 AND
                         LENGTH(COMMODITY_BARCODE) > 8 and COMMODITY_NAME != '未知商品' AND  
                         not regexp_like(COMMODITY_BARCODE,'[[:alpha:]]')";
            return _OracleHelper.ExcuteSqlGetDataSet(sql).Tables[0];
        }

        private void BT_Search_Click(object sender, EventArgs e)
        {
            ShowWaiteForm();
            _WaitForm.ShowMessage("正在搜索...");
            dataGridView1.DataSource = getdate();
            label3.Text = dataGridView1.Rows.Count.ToString();
            _WaitForm.Close();
            _WaitForm.Dispose();
        }
    }
}