using System;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Data;
using SSWMS.Common;
using System.Windows.Input;
using System.Collections.Generic;

namespace SSWMS.Client.UC
{
    public partial class ucQuickQuery : UserControl
    {
        public delegate void U_QueryEventHandler(string sQueryWhere);
        public event U_QueryEventHandler U_Query;
        public string U_XmlTableName = string.Empty;
        public string U_WindowName = string.Empty;
        public Dictionary<string, string> U_DefaultValue = new Dictionary<string, string>();
        private DataTable FormStyles = null;

        public ucQuickQuery()
        {
            InitializeComponent();
        }

        public void U_InitControl()
        {
            try
            {
                this.wpQuery.Children.Clear();
                if (this.FormStyles == null)
                {
                    this.FormStyles = XmlStyle.GetDataTable(this.U_WindowName, this.U_XmlTableName);
                }
                foreach (DataRow rowField in this.FormStyles.Select("(Header<>'' and Query<>'0')"))
                {
                    StackPanel sp = new StackPanel
                    {
                        Tag = rowField,
                        Style = Application.Current.Resources["CommonStackPanel"] as Style
                    };
                    sp.Children.Add(new TextBlock
                    {
                        VerticalAlignment = VerticalAlignment.Center,
                        FontSize = 14,
                        Margin = new Thickness(2, 0, 2, 0),
                        Text = XmlStyle.GetHeader(rowField)
                    });
                    string sControlType = rowField["Control"].ToString();
                    string sColumn = rowField["Column"].ToString();
                    string sQuery = rowField["Query"].ToString();
                    switch (sControlType)
                    {
                        case "TextBox":
                            TextBox tb = new TextBox
                            {
                                Tag = rowField,
                                Width = 120,
                                Margin = new Thickness(5, 0, 5, 0),
                                Text = rowField["Default"].ToString(),
                                FontSize = 14,
                                DataContext = sQuery
                            };
                            if (U_DefaultValue.ContainsKey(sColumn))
                            {
                                string sValue;
                                U_DefaultValue.TryGetValue(sColumn, out sValue);
                                tb.Text = sValue;
                            }
                            sp.Children.Add(tb);
                            break;
                        case "CheckBox":
                            sp.Children.Add(new CheckBox
                            {
                                Tag = rowField,
                                VerticalAlignment = VerticalAlignment.Center,
                                IsThreeState = false,
                                Margin = new Thickness(10, 0, 5, 0)
                            });
                            break;
                        default:
                            ComboBox cb = new ComboBox
                            {
                                Tag = rowField,
                                Width = 120,
                                Height = 25,
                                FontSize = 14,
                                Margin = new Thickness(5, 0, 5, 0),
                                DisplayMemberPath = "NAME",
                                SelectedValuePath = "VALUE",
                                ItemsSource = SystemCodeData.DicDataView[sControlType],
                                SelectedIndex = -1,
                                DataContext = sQuery
                            };
                            if (U_DefaultValue.ContainsKey(sColumn))
                            {
                                string sValue;
                                U_DefaultValue.TryGetValue(sColumn, out sValue);
                                cb.SelectedValue = sValue;
                            }
                            sp.Children.Add(cb);
                            break;
                    }
                    this.wpQuery.Children.Add(sp);
                }
                StackPanel spQuery = new StackPanel()
                {
                    Style = Application.Current.Resources["CommonStackPanel"] as Style
                };
                Button bQuery = new Button()
                {
                    Content = "查 询",
                    Style = Application.Current.Resources["CommonButton"] as Style
                };
                bQuery.Click += (sender, e) =>
                {
                    MainWindow.mainWin.Cursor = Cursors.Wait;
                    this.U_Query(this.GetQuerySQL(0));
                    MainWindow.mainWin.Cursor = Cursors.Arrow;
                };
                spQuery.Children.Add(bQuery);
                Button bRefresh = new Button()
                {
                    Content = "重 置",
                    Style = Application.Current.Resources["CommonButton"] as Style
                };
                bRefresh.Click += (sender, e) =>
                {
                    foreach (UIElement uie in this.wpQuery.Children)
                    {
                        StackPanel sp = uie as StackPanel;
                        if (sp == null)
                        {
                            continue;
                        }
                        DataRow dr = sp.Tag as DataRow;
                        if (dr == null)
                        {
                            continue;
                        }
                        if (sp.Children[1] is TextBox)
                        {
                            (sp.Children[1] as TextBox).Clear();
                        }
                        else if (sp.Children[1] is ComboBox)
                        {
                            (sp.Children[1] as ComboBox).SelectedIndex = -1;
                        }
                        else if (sp.Children[1] is CheckBox)
                        {
                            (sp.Children[1] as CheckBox).IsChecked = false;
                        }
                    }
                };
                spQuery.Children.Add(bRefresh);
                this.wpQuery.Children.Add(spQuery);
                if (U_XmlTableName == "V_STORAGE_LIST" ||
                    U_XmlTableName == "V_STORAGE_LIST_OUT")
                {
                    StackPanel spExpire = new StackPanel()
                    {
                        Style = Application.Current.Resources["CommonStackPanel"] as Style
                    };
                    spExpire.Children.Add(new TextBlock()
                    {
                        Text = "超期天数",
                        Style = Application.Current.Resources["CommonTextBlock"] as Style
                    });
                    TextBox tbExpire = new TextBox()
                    {
                        Text = "30",
                        Width = 30,
                        Style = Application.Current.Resources["CommonTextBox"] as Style
                    };
                    spExpire.Children.Add(tbExpire);
                    Button bExpire = new Button()
                    {
                        Content = "超期查询",
                        Style = Application.Current.Resources["CommonButton"] as Style
                    };
                    bExpire.Click += (sender, e) =>
                    {
                        int iExpire = 0;
                        try
                        {
                            iExpire = Convert.ToInt32(tbExpire.Text);
                            if (iExpire <= 0)
                            {
                                MessageDialog.ShowException($"超期天数 {tbExpire.Text} 少于1天");
                            }
                        }
                        catch
                        {
                            MessageDialog.ShowException($"超期天数 {tbExpire.Text} 格式错误");
                        }
                        MainWindow.mainWin.Cursor = Cursors.Wait;
                        this.U_Query(this.GetQuerySQL(iExpire));
                        MainWindow.mainWin.Cursor = Cursors.Arrow;
                    };
                    spExpire.Children.Add(bExpire);
                    this.wpQuery.Children.Add(spExpire);
                }
            }
            catch (Exception ex)
            {
                MessageDialog.ShowException(ex);
            }
        }

        private string GetQuerySQL(int iExpire)
        {
            StringBuilder sb = new StringBuilder();
            sb.Append("1=1");
            foreach (UIElement uie in this.wpQuery.Children)
            {
                StackPanel sp = uie as StackPanel;
                if (sp == null)
                {
                    continue;
                }
                DataRow dr = sp.Tag as DataRow;
                if (dr == null)
                {
                    continue;
                }
                string sColumn = dr["Column"].ToString();
                if (sp.Children[1] is CheckBox)
                {
                    CheckBox cb = sp.Children[1] as CheckBox;
                    if (cb.IsChecked != null)
                    {
                        sb.Append($" and {sColumn}='{Convert.ToInt32((sp.Children[1] as CheckBox).IsChecked)}'");
                    }
                }
                else if (sp.Children[1] is ComboBox)
                {
                    ComboBox cb = sp.Children[1] as ComboBox;
                    if (cb.SelectedIndex > -1)
                    {
                        if (cb.DataContext == null || cb.DataContext.ToString() == "1")
                        {
                            sb.Append($" and {sColumn} like '%{cb.SelectedValue}%'");
                        }
                        else
                        {
                            sb.Append($" and {sColumn}='{cb.SelectedValue}'");
                        }
                    }
                }
                else if (sp.Children[1] is TextBox)
                {
                    TextBox tb = sp.Children[1] as TextBox;
                    if (!string.IsNullOrWhiteSpace(tb.Text))
                    {
                        if (tb.DataContext == null || tb.DataContext.ToString() == "1")
                        {
                            sb.Append($" and {sColumn} like '%{tb.Text}%'");
                        }
                        else
                        {
                            sb.Append($" and {sColumn}='{tb.Text}'");
                        }
                    }
                }
            }
            if (iExpire > 0)
            {
                sb.Append($" and ENTRY_TIME<='{StringUtils.GetExpireDay(iExpire)}'");
            }
            return sb.ToString();
        }
    }
}