using System;
using System.Data;
using System.Data.SqlClient;
using System.Text.RegularExpressions;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;

namespace formula_manage.Windows
{
    /// <summary>
    /// client.xaml 的交互逻辑
    /// </summary>
    public partial class client : Window
    {
        public string INIPath = Convert.ToString(System.AppDomain.CurrentDomain.BaseDirectory) + "formula.ini"; //配置文件路径

        DataTable dataTable = new DataTable();   //建立缓存

        string TEXT_SQLIP;
        string TEXT_SQLNAME;
        string TEXT_SQMOD;
        string TEXT_SQLUSER;
        string TEXT_SQLPASWOR;
        string Connstr_SC;

        public client()
        {
            WindowStartupLocation = WindowStartupLocation.CenterScreen;
            InitializeComponent();
        }

        private async void client_Loaded(object sender, RoutedEventArgs e)//打开页面执行
        {
            UserClass.IniFile.IniFiles Configini = new UserClass.IniFile.IniFiles(INIPath);//生效配置读取
            this.DataGridclient.LoadingRow += new EventHandler<DataGridRowEventArgs>(this.DataGridEquipment_LoadingRow);//生成序列号

            TEXT_SQLIP = Configini.IniReadvalue("SQL_SERVER", "SQL1");    //读配置文件
            TEXT_SQLNAME = Configini.IniReadvalue("SQL_SERVER", "SQL2");
            TEXT_SQMOD = Configini.IniReadvalue("SQL_SERVER", "SQL3");
            TEXT_SQLUSER = Configini.IniReadvalue("SQL_SERVER", "SQL4");
            TEXT_SQLPASWOR = Configini.IniReadvalue("SQL_SERVER", "SQL5");
            if (TEXT_SQMOD == "0")  //判断连接方式
            {
                Connstr_SC = "server=" + TEXT_SQLIP + ";database=" + TEXT_SQLNAME + ";Trusted_Connection=SSPI";
            }
            else
            {
                Connstr_SC = "server=" + TEXT_SQLIP + ";database=" + TEXT_SQLNAME + ";User ID=" + TEXT_SQLUSER + ";Password=" + TEXT_SQLPASWOR;
            }

            string client_sql = "SELECT Code ,Name , Remark FROM [dbo].[Client]";//查询语句

            SqlConnection conn_SC = new SqlConnection(Connstr_SC);  //实例化
            try
            {
                await conn_SC.OpenAsync();    //打开数据连接
                SqlDataAdapter client_data = new SqlDataAdapter(client_sql, Connstr_SC);   //查询

                client_data.Fill(dataTable);    //查询结果存入缓存  
                conn_SC.Close();  //关闭连接

                DataGridclient.ItemsSource = dataTable.DefaultView; //数据加入表格
            }
            catch (Exception)
            {
                System.Windows.MessageBox.Show("请求信息失败，检查连接");
                return;
            }
        }

        /// <summary>
        /// 生成序列号的方法
        /// </summary>
        private void DataGridEquipment_LoadingRow(object sender, DataGridRowEventArgs e)
        {
            e.Row.Header = e.Row.GetIndex() + 1;
        }

        /// <summary>
        /// 查询数据库的方法
        /// </summary>
        private async void GridSql()
        {
            string client_sql = "SELECT Code ,Name , Remark FROM [dbo].[Client]";//查询语句

            SqlConnection conn_SC = new SqlConnection(Connstr_SC);  //实例化

            try
            {
                await conn_SC.OpenAsync();    //打开数据连接
                SqlDataAdapter client_data = new SqlDataAdapter(client_sql, Connstr_SC);   //查询

                dataTable.Clear();
                client_data.Fill(dataTable);    //查询结果存入缓存  
                conn_SC.Close();  //关闭连接

                DataGridclient.ItemsSource = dataTable.DefaultView; //数据加入表格
            }
            catch (Exception)
            {
                System.Windows.MessageBox.Show("请求信息失败，检查连接");
                return;
            }
        }

        private async void Button_Preservation(object sender, RoutedEventArgs e)//保存按钮事件
        {
            Regex re_number = new Regex(@"^[0-9]+(.[0-9]{1,4})?$");//校验用正则表达式有1~2位小数的正实数    
            string client_sql;

            if (string.IsNullOrEmpty(this.client_code.Text))
                System.Windows.MessageBox.Show("ERR：无效的信息", "错误");//检查原料代码
            else
            if (string.IsNullOrEmpty(this.client_name.Text))
                System.Windows.MessageBox.Show("ERR：无效的名称", "错误");//检查原料名
            else
            {
                try
                {
                    SqlConnection conn_SC = new SqlConnection(Connstr_SC);  //实例化 
                    client_sql = "SELECT count(*)  FROM [dbo].[Client] WHERE Code = '" + client_code.Text + " '";//查询语句                             
                    await conn_SC.OpenAsync();    //打开数据连   
                    SqlCommand cmd = new SqlCommand(client_sql, conn_SC);    //查询记录数
                    int count = Convert.ToInt32(cmd.ExecuteScalar());    //显示记录数  
                    conn_SC.Close();  //关闭连接        

                    if (count == 0)
                    {
                        client_sql = string.Format("INSERT INTO [dbo].[Client](Code ,Name , Remark) " +
                                                  "VALUES ('" + client_code.Text + "','" + client_name.Text + "','" + client_Remark.Text + "')");
                        await conn_SC.OpenAsync();    //打开数据连接           
                        SqlCommand INSERT_cmd = new SqlCommand(client_sql, conn_SC);
                        int sql_in = INSERT_cmd.ExecuteNonQuery();     //执行语句

                        conn_SC.Close();  //关闭连接
                        if (sql_in == 0)
                        {
                            System.Windows.MessageBox.Show("添加失败");
                        }
                        else
                        {
                            GridSql();
                            System.Windows.MessageBox.Show("添加完成");
                        }
                    }
                    else
                    {
                        client_sql = string.Format("UPDATE [dbo].[Client] SET Name='" + client_name.Text + "',Remark='" + client_Remark.Text + "' Where Code='" + client_code.Text + "'");
                        await conn_SC.OpenAsync();    //打开数据连接           
                        SqlCommand INSERT_cmd = new SqlCommand(client_sql, conn_SC);
                        int sql_in = INSERT_cmd.ExecuteNonQuery();    //执行语句

                        conn_SC.Close();  //关闭连接
                        if (sql_in == 0)
                        {
                            System.Windows.MessageBox.Show("C0110-1:修改失败");
                        }
                        else
                        {
                            GridSql();

                            System.Windows.MessageBox.Show("修改完成");
                        }
                    }
                }
                catch (Exception)
                {
                    System.Windows.MessageBox.Show("请求失败，检查连接");
                    return;
                }
            }
        }

        private async void Button_Delete(object sender, RoutedEventArgs e)//删除按钮事件
        {
            string ShowProductName = "是否删除【" + this.client_name.Text + "】" + this.client_code.Text;//获取信息并拼接提示字符串              
            MessageBoxResult showProductName = System.Windows.MessageBox.Show(ShowProductName, "提示", MessageBoxButton.YesNo, MessageBoxImage.Warning, MessageBoxResult.Yes);//弹窗提示是否删除目标原料
            if (showProductName == MessageBoxResult.Yes)//判断是否删除           
            {

                string Stuff_sql = string.Format("DELETE FROM [dbo].[Client] WHERE Code ='" + client_code.Text.ToString() + "'");

                SqlConnection conn_SC = new SqlConnection(Connstr_SC);  //实例化 
                try
                {
                    await conn_SC.OpenAsync();    //打开数据连接                       
                    SqlCommand INSERT_cmd = new SqlCommand(Stuff_sql, conn_SC);
                    int sql_in = INSERT_cmd.ExecuteNonQuery();    //执行语句            
                    conn_SC.Close();  //关闭连接
                    if (sql_in == 0)
                    {
                        System.Windows.MessageBox.Show("C0110-2：删除失败", "错误");//判断执行是否成功
                    }
                    else
                    {
                        GridSql();
                    }
                }
                catch (Exception)
                {
                    System.Windows.MessageBox.Show("请求失败，检查连接");
                    return;
                }
            }
        }

        private void DataGridclient_MouseDoubleClick(object sender, MouseButtonEventArgs e)//数据表双击事件
        {
            int rownum = DataGridclient.SelectedIndex;//获取鼠标选中行并定义变量
            if (rownum != -1)//判断鼠标定位是否有效
            {
                /*定位选中行及指定列单元格文本信息*/
                client_code.Text = (DataGridclient.Columns[1].GetCellContent(DataGridclient.Items[rownum]) as TextBlock).Text.TrimEnd();//定位第0列，代码
                client_name.Text = (DataGridclient.Columns[2].GetCellContent(DataGridclient.Items[rownum]) as TextBlock).Text.TrimEnd();//定位第1列，名称
                client_Remark.Text = (DataGridclient.Columns[3].GetCellContent(DataGridclient.Items[rownum]) as TextBlock).Text.TrimEnd();//定位，            
            }
        }

    }
}