using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using ESRI.ArcGIS.Geodatabase;
using DevExpress.XtraEditors;
using ESRI.ArcGIS.Carto;
using KGIS.Plugin.LayerProperty.Model;
using KGIS.Plugin.LayerProperty.Utils;
using KGIS.Framework.Utils.Helper;

namespace KGIS.Plugin.LayerProperty.View.UC_Controls
{
    public partial class UCSQLCreator : XtraUserControl
    {
        private KGIS.Framework.Utils.Dialog.OpenFileDialog openFileDialog1;
        private SaveFileDialog saveFileDialog1;
        private IFeatureClass m_FeatureClass;
        private string sql;
        public string SQL
        {
            get
            {
                this.sql = this.memoSQLInfo.Text;
                return this.sql;
            }
            set
            {
                this.sql = value;
                this.memoSQLInfo.Text = this.sql;
            }
        }
        public UCSQLCreator()
        {
            InitializeComponent();
        }
        public void InitUC(IFeatureLayer FeaLyr)
        {
            this.InitUC(FeaLyr.FeatureClass);
        }
        public void InitUC(IFeatureClass feacls)
        {
            if (feacls == null)
            {
                return;
            }
            this.m_FeatureClass = feacls;
            SQLSearch.FeatureClass = feacls;
            this.GetFields(feacls);
            this.lstOnlyValue.Items.Clear();
        }
        private void GetFields(IFeatureClass pLayer)
        {
            try
            {
                this.lstField.Items.Clear();
                if (pLayer != null)
                {
                    int fieldCount = pLayer.Fields.FieldCount;
                    for (int i = 0; i < fieldCount; i++)
                    {
                        IField field = pLayer.Fields.get_Field(i);
                        if (field.Type != esriFieldType.esriFieldTypeGeometry && field.Type != esriFieldType.esriFieldTypeBlob && field.Type != esriFieldType.esriFieldTypeRaster)
                        {
                            ItemInfo<IField, string> item = new ItemInfo<IField, string>(field, field.Name);
                            this.lstField.Items.Add(item);
                        }
                    }
                    this.lstField.SelectedItem = this.lstField.Items[0];
                }
            }
            catch (Exception ex)
            {
                //RdbUtil.AddException(ex);
            }
        }
        private void btnUnEqual_Click(object sender, System.EventArgs e)
        {
            this.InsertString("<>");
        }
        private void btnEquals_Click(object sender, System.EventArgs e)
        {
            this.InsertString("=");
        }
        private void btnLike_Click(object sender, System.EventArgs e)
        {
            this.InsertString("LIKE");
        }
        private void btnGreat_Click(object sender, System.EventArgs e)
        {
            this.InsertString(">");
        }
        private void btnGreatAndEqual_Click(object sender, System.EventArgs e)
        {
            this.InsertString(">=");
        }
        private void btnAnd_Click(object sender, System.EventArgs e)
        {
            this.InsertString("AND");
        }
        private void btnLess_Click(object sender, System.EventArgs e)
        {
            this.InsertString("<");
        }
        private void btnLessAndEqual_Click(object sender, System.EventArgs e)
        {
            this.InsertString("<=");
        }
        private void btnOr_Click(object sender, System.EventArgs e)
        {
            this.InsertString("OR");
        }
        private void btnQuest_Click(object sender, System.EventArgs e)
        {
            this.InsertString(this.btnQuest.Text.Trim());
        }
        private void btnAll_Click(object sender, System.EventArgs e)
        {
            this.InsertStringNospace(this.btnAll.Text.Trim());
        }
        private void btnBracket_Click(object sender, System.EventArgs e)
        {
            this.InsertString("()");
        }
        private void btnNot_Click(object sender, System.EventArgs e)
        {
            this.InsertString("NOT");
        }
        private void btnIs_Click(object sender, System.EventArgs e)
        {
            this.InsertString("IS");
        }
        private void InsertString(string mStr)
        {
            mStr = " " + mStr.Trim() + " ";
            int selectionStart = this.memoSQLInfo.SelectionStart;
            if (this.memoSQLInfo != null && !string.IsNullOrWhiteSpace(this.memoSQLInfo.SelectedText))
            {
                this.memoSQLInfo.SelectedText = mStr;
            }
            else
            {
                this.memoSQLInfo.Text = this.memoSQLInfo.Text.Insert(selectionStart, mStr).Trim();
            }
            if (mStr.EndsWith("() "))
            {
                this.memoSQLInfo.SelectionStart = mStr.Length + selectionStart - 2;
                return;
            }
            this.memoSQLInfo.SelectionStart = mStr.Length + selectionStart;
        }
        private void InsertStringNospace(string mStr)
        {
            mStr = (mStr.Trim() ?? "");
            int selectionStart = this.memoSQLInfo.SelectionStart;
            if (this.memoSQLInfo.SelectionLength > 0)
            {
                this.memoSQLInfo.SelectedText = mStr;
            }
            else
            {
                this.memoSQLInfo.Text = this.memoSQLInfo.Text.Insert(selectionStart, mStr).Trim();
            }
            if (mStr.EndsWith("() "))
            {
                this.memoSQLInfo.SelectionStart = mStr.Length + selectionStart - 2;
                return;
            }
            this.memoSQLInfo.SelectionStart = mStr.Length + selectionStart;
        }
        private void lstField_DoubleClick(object sender, System.EventArgs e)
        {
            try
            {
                this.Cursor = Cursors.AppStarting;
                this.InsertString(this.lstField.SelectedItem.ToString().Trim());
                this.Cursor = Cursors.Default;
            }
            catch (Exception ex)
            {
                this.Cursor = Cursors.Default;
                //RdbUtil.AddException(ex);
            }
        }
        private void lstOnlyValue_DoubleClick(object sender, System.EventArgs e)
        {
            try
            {
                this.Cursor = Cursors.AppStarting;
                string text = this.lstOnlyValue.SelectedItem.ToString().Trim();
                if (!text.Equals(""))
                {
                    this.InsertString(text);
                }
                this.Cursor = Cursors.Default;
            }
            catch (Exception ex)
            {
                this.Cursor = Cursors.Default;
                //RdbUtil.AddException(ex);
            }
        }
        private void btnIsListFinish_Click(object sender, System.EventArgs e)
        {
            try
            {
                if (this.m_FeatureClass == null)
                {
                    MessageHelper.ShowTips("请设置要查询的图层");
                }
                else
                {
                    this.Cursor = Cursors.WaitCursor;
                    this.lstOnlyValue.Items.Clear();
                    object selectedValue = this.lstField.SelectedValue;
                    ItemInfo<IField, string> itemInfo = selectedValue as ItemInfo<IField, string>;
                    if (itemInfo != null)
                    {
                        SQLSearch.ShowUniqueValues(itemInfo.InnerValue, this.lstOnlyValue, -1);
                    }
                    this.Cursor = Cursors.Default;
                }
            }
            catch (Exception ex)
            {
                //RdbUtil.AddException(ex);
                this.Cursor = Cursors.Default;
            }
        }
        private void btnClear_Click(object sender, System.EventArgs e)
        {
            this.memoSQLInfo.Text = "";
        }
        private void btnLoad_Click(object sender, System.EventArgs e)
        {
            try
            {
                this.Cursor = Cursors.AppStarting;
                string openFileName = this.GetOpenFileName();
                if (openFileName != "")
                {
                    this.memoSQLInfo.Text = SQLSearch.ReadFile(openFileName);
                }
                this.Cursor = Cursors.Default;
            }
            catch (Exception ex)
            {
                //RdbUtil.AddException(ex);
                this.Cursor = Cursors.Default;
            }
        }
        private void btnVerify_Click(object sender, System.EventArgs e)
        {
            if (SQLSearch.VerifySql(this.m_FeatureClass, this.SQL))
            {
                MessageHelper.ShowTips("验证成功！");
                return;
            }
            MessageHelper.ShowTips("验证失败，请检查语句！");
        }
        private string GetOpenFileName()
        {
            string result;
            try
            {
                if (this.openFileDialog1 == null)
                {
                    this.openFileDialog1 = new KGIS.Framework.Utils.Dialog.OpenFileDialog();
                }
                this.openFileDialog1.InitialDirectory = Application.ExecutablePath;
                this.openFileDialog1.Filter = "Exp Files(*.exp)|*.exp";
                if (this.openFileDialog1.ShowDialog())
                {
                    result = this.openFileDialog1.FileName;
                }
                else
                {
                    result = "";
                }
            }
            catch (Exception ex)
            {
                //RdbUtil.AddException(ex);
                this.Cursor = Cursors.Default;
                result = "";
            }
            return result;
        }
        private void btnSaveAs_Click(object sender, System.EventArgs e)
        {
            try
            {
                this.Cursor = Cursors.AppStarting;
                string text = this.memoSQLInfo.Text;
                SQLSearch.SaveFile(this.GetSaveFileName(), ref text);
                this.Cursor = Cursors.Default;
            }
            catch (Exception ex)
            {
                //RdbUtil.AddException(ex);
                this.Cursor = Cursors.Default;
            }
        }
        private string GetSaveFileName()
        {
            if (this.saveFileDialog1 == null)
            {
                this.saveFileDialog1 = new SaveFileDialog();
            }
            this.saveFileDialog1.InitialDirectory = Application.ExecutablePath;
            this.saveFileDialog1.Filter = "Exp Files(*.exp)|*.exp";
            this.saveFileDialog1.ShowDialog();
            return this.saveFileDialog1.FileName;
        }
    }
}