using DevExpress.XtraEditors;
using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Geodatabase;
using KGIS.Framework.Utils.Helper;
using KGIS.Plugin.LayerProperty.Utils;
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.Threading.Tasks;
using System.Windows.Forms;

namespace KGIS.Plugin.LayerProperty.View
{
    public partial class FormLabelExpression : XtraForm
    {
        private ILabelEngineLayerProperties2 m_LabelEngineLayerProperties;
        private IAnnotationExpressionEngine m_ExpressionEngine;
        private bool m_IsExpressionSimple;
        private string labelExpression;
        private bool isSampleExpression;
        public string LabelExpression
        {
            get
            {
                return this.labelExpression;
            }
            set
            {
                this.labelExpression = value;
                this.memoSQLInfo.Text = value;
            }
        }
        public bool IsSampleExpression
        {
            get
            {
                return this.isSampleExpression;
            }
            set
            {
                this.isSampleExpression = value;
            }
        }
        public FormLabelExpression()
        {
            InitializeComponent();
        }
        private void InitForm(IFields fields)
        {
            try
            {
                this.lstField.Items.Clear();
                int fieldCount = fields.FieldCount;
                for (int i = 0; i < fieldCount; i++)
                {
                    IField field = 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);
            }
        }
        internal void InitForm(ILabelEngineLayerProperties2 labelEngineLayerProperties, IFields iFields)
        {
            this.m_LabelEngineLayerProperties = labelEngineLayerProperties;
            this.InitForm(iFields);
            if (labelEngineLayerProperties != null)
            {
                this.m_IsExpressionSimple = labelEngineLayerProperties.IsExpressionSimple;
                this.m_ExpressionEngine = labelEngineLayerProperties.ExpressionParser;
                if (labelEngineLayerProperties.IsExpressionSimple)
                {
                    this.memoSQLInfo.Text = labelEngineLayerProperties.Expression;
                    return;
                }
                if (this.m_ExpressionEngine is AnnotationJScriptEngineClass)
                {
                    this.cmbParser.SelectedIndex = 0;
                }
                else
                {
                    this.cmbParser.SelectedIndex = 1;
                }
                //this.chkAdvanced.Checked = true;
            }
        }
        private void lstField_DoubleClick(object sender, System.EventArgs e)
        {
            try
            {
                this.Cursor = Cursors.AppStarting;
                this.InsertString("[" + this.lstField.SelectedItem.ToString().Trim() + "]");
                this.memoSQLInfo.SendMouseUp(this.memoSQLInfo.Location, MouseButtons.Left);
                this.Cursor = Cursors.Default;
            }
            catch (Exception ex)
            {
                //RdbUtil.AddException(ex);
                this.Cursor = Cursors.Default;
            }
        }
        private void InsertString(string mStr)
        {
            int selectionStart = this.memoSQLInfo.SelectionStart;
            string text = this.memoSQLInfo.Text;
            if (selectionStart == text.Length)
            {
                this.memoSQLInfo.Text = this.memoSQLInfo.Text.Insert(selectionStart, mStr).Trim();
                this.memoSQLInfo.SelectionStart = selectionStart + mStr.Length;
                return;
            }
            Regex regex = new Regex("\\[\\s*\\]");
            MatchCollection matchCollection = regex.Matches(text);
            for (int i = 0; i < matchCollection.Count; i++)
            {
                Match match = matchCollection[i];
                if (selectionStart > match.Index && selectionStart <= match.Index + match.Length)
                {
                    this.memoSQLInfo.Text = this.memoSQLInfo.Text.Insert(match.Index + match.Length, mStr).Trim();
                    this.memoSQLInfo.SelectionStart = match.Index + match.Length + mStr.Length;
                    return;
                }
            }
            regex = new Regex("\\[\\w*\\W*\\]");
            matchCollection = regex.Matches(text);
            for (int j = 0; j < matchCollection.Count; j++)
            {
                Match match2 = matchCollection[j];
                if (selectionStart > match2.Index && selectionStart <= match2.Index + match2.Length)
                {
                    this.memoSQLInfo.Text = this.memoSQLInfo.Text.Insert(match2.Index + match2.Length, mStr).Trim();
                    this.memoSQLInfo.SelectionStart = match2.Index + match2.Length + mStr.Length;
                    return;
                }
            }
            Match match3 = regex.Match(text, selectionStart);
            if (!match3.Success)
            {
                this.memoSQLInfo.Text = this.memoSQLInfo.Text.Insert(selectionStart, mStr).Trim();
                this.memoSQLInfo.SelectionStart = selectionStart + mStr.Length;
                return;
            }
            match3 = regex.Match(text, selectionStart);
            int index = match3.Index;
            regex = new Regex("\\]");
            match3 = regex.Match(text, selectionStart);
            if (match3.Index < index && match3.Index + 1 == index)
            {
                this.memoSQLInfo.Text = this.memoSQLInfo.Text.Insert(match3.Index + 1, mStr).Trim();
                this.memoSQLInfo.SelectionStart = match3.Index + 1 + mStr.Length;
                return;
            }
            this.memoSQLInfo.Text = this.memoSQLInfo.Text.Insert(selectionStart, mStr).Trim();
            this.memoSQLInfo.SelectionStart = selectionStart + mStr.Length;
        }
        private void AppendString(string mStr)
        {
        }
        private void InsertStringNospace(string mStr)
        {
            mStr = (mStr.Trim() ?? "");
            int selectionStart = this.memoSQLInfo.SelectionStart;
            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 btnAppend_Click(object sender, System.EventArgs e)
        {
            ItemInfo<IField, string> itemInfo = this.lstField.SelectedItem as ItemInfo<IField, string>;
            if (itemInfo != null)
            {
                if (this.memoSQLInfo.Text.Length > 0)
                {
                    this.InsertString("& \" \" &[" + itemInfo.InnerValue.Name + "]");
                    return;
                }
                this.InsertString("[" + itemInfo.InnerValue.Name + "]");
            }
        }
        private void btnOk_Click(object sender, System.EventArgs e)
        {
            if (this.LabelExpressionFinish())
            {
                this.labelExpression = this.memoSQLInfo.Text;
                #region BUG12168 郑英杰 2018-09-06
                //int num = 0;
                //Regex regex = new Regex("\\[\\s*\\]");
                //MatchCollection matchCollection = regex.Matches(this.labelExpression);
                //num = matchCollection.Count + num;
                //regex = new Regex("\\[\\w*\\W*\\]");
                //matchCollection = regex.Matches(this.labelExpression);
                //num = matchCollection.Count + num;
                //if (num > 1)
                //{
                //    this.isSampleExpression = false;
                //}
                //else
                //{
                //    this.isSampleExpression = true;
                //}
                #endregion
                this.m_LabelEngineLayerProperties.IsExpressionSimple = this.m_IsExpressionSimple;
                base.DialogResult = DialogResult.OK;
                base.Close();
            }
        }
        private bool LabelExpressionFinish()
        {
            if (this.memoSQLInfo.Text.Length == 0)
            {
                MessageHelper.ShowTips("表达式不能为空！");
                return false;
            }
            this.m_LabelEngineLayerProperties.ExpressionParser = this.m_ExpressionEngine;
            this.m_LabelEngineLayerProperties.Expression = this.memoSQLInfo.Text;
            this.m_LabelEngineLayerProperties.IsExpressionSimple = !this.chkAdvanced.Checked;
            return this.VerifyExpression();
        }
        private void btnReset_Click(object sender, System.EventArgs e)
        {
            this.memoSQLInfo.Text = this.labelExpression;
        }
        private void btnVerify_Click(object sender, System.EventArgs e)
        {
            if (this.VerifyExpression())
            {
                MessageHelper.ShowTips("表达式正确！");
            }
        }
        private bool VerifyExpression()
        {
            try
            {
                IAnnotationExpressionParser annotationExpressionParser;
                if (this.chkAdvanced.Checked)
                {
                    annotationExpressionParser = this.m_ExpressionEngine.SetCode(this.memoSQLInfo.Text, "FindLabel");
                    if (annotationExpressionParser.AttributeCount == 0)
                    {
                        MessageHelper.ShowTips("表达式错误，请检查！");
                        bool result = false;
                        return result;
                    }
                }
                else
                {
                    annotationExpressionParser = this.m_ExpressionEngine.SetExpression("", this.memoSQLInfo.Text);
                }
                if (annotationExpressionParser.AttributeCount == 0)
                {
                    MessageHelper.ShowTips("表达式错误，请检查！");
                    bool result = false;
                    return result;
                }
                int num = 0;
                int num2 = 0;
                string text = "";
                annotationExpressionParser.LastError(ref num, ref num2, ref text);
                if (text == null)
                {
                    bool result = true;
                    return result;
                }
                if (!(text.Contains("MSScript.ocx is either not installed or not registered") || text.Trim().Replace(" ", "").Contains("MSScript.ocx没有安装或没有注册") || text.Trim().Replace(" ", "").Contains("MSScript.ocx未安装或未注册")))
                {
                    MessageHelper.ShowTips(text);
                    bool result = false;
                    return result;
                }
            }
            catch (Exception ex)
            {
                //RdbUtil.AddException(ex);
            }
            return true;
        }
        private void memoSQLInfo_TextChanged(object sender, System.EventArgs e)
        {
            if (this.memoSQLInfo.Text.Length == 0)
            {
                this.btnVerify.Enabled = false;
                return;
            }
            this.btnVerify.Enabled = true;
        }
        private void chkAdvanced_CheckedChanged(object sender, System.EventArgs e)
        {
            if (this.chkAdvanced.Checked)
            {

                this.memoSQLInfo.Text = this.GetScriptSentence(this.m_ExpressionEngine, this.m_LabelEngineLayerProperties.Expression);
                #region BUG10428 2018-09-03 郑英杰
                this.m_IsExpressionSimple = false;
                #endregion
            }
            else
            {

                this.memoSQLInfo.Text = this.GetExpressionByCode(this.m_ExpressionEngine, this.m_LabelEngineLayerProperties.Expression);
                #region BUG10428 2018-09-03 郑英杰
                this.m_IsExpressionSimple = true;
                #endregion
            }

            #region BUG10428 2018-09-03 郑英杰
            //this.m_IsExpressionSimple = !this.m_IsExpressionSimple;
            #endregion
        }
        private string GetScriptSentence(IAnnotationExpressionEngine pExpressionEngine, string m_LabelExpression)
        {
            if (this.m_IsExpressionSimple && this.m_LabelEngineLayerProperties.IsExpressionSimple)
            {
                IAnnotationExpressionParser annotationExpressionParser = pExpressionEngine.SetExpression("", m_LabelExpression);
                string text = "";
                for (int i = 0; i < annotationExpressionParser.AttributeCount; i++)
                {
                    if (i == 0)
                    {
                        text = "[" + annotationExpressionParser.get_Attribute(0) + "]";
                    }
                    else
                    {
                        text = text + ", [" + annotationExpressionParser.get_Attribute(i) + "]";
                    }
                }
                return pExpressionEngine.CreateFunction("FindLabel", text, m_LabelExpression);
            }
            return this.m_LabelEngineLayerProperties.Expression;
        }
        private string GetExpressionByCode(IAnnotationExpressionEngine pExpressionEngine, string fullCode)
        {
            if (!this.m_IsExpressionSimple && !this.m_LabelEngineLayerProperties.IsExpressionSimple)
            {
                IAnnotationExpressionParser annotationExpressionParser = pExpressionEngine.SetCode(fullCode, "FindLabel");
                string text = "";
                for (int i = 0; i < annotationExpressionParser.AttributeCount; i++)
                {
                    if (i == 0)
                    {
                        text = "[" + annotationExpressionParser.get_Attribute(0) + "]";
                    }
                    else
                    {
                        text = text + "&\"\"& [" + annotationExpressionParser.get_Attribute(i) + "]";
                    }
                }
                return text;
            }
            return this.m_LabelEngineLayerProperties.Expression;
        }
        private void cmbParser_SelectedIndexChanged(object sender, System.EventArgs e)
        {
            if (this.cmbParser.SelectedIndex == 0)
            {
                this.m_ExpressionEngine = new AnnotationJScriptEngineClass();
            }
            else
            {
                this.m_ExpressionEngine = new AnnotationVBScriptEngineClass();
            }
            this.chkAdvanced.Checked = false;
        }
    }
}