/*
 * 由SharpDevelop创建。
 * 用户： Acer
 * 日期: 2014-10-22
 * 时间: 19:16
 * 
 */
using System;
using System.IO;
using System.Drawing;
using System.Collections.Generic;
using System.Windows.Forms;
using System.Text;
using WeifenLuo.WinFormsUI.Docking;
using FastColoredTextBoxNS;
using DataEditorX.Language;
using System.Text.RegularExpressions;
using DataEditorX.Core;
using DataEditorX.Config;
using System.Configuration;
using DataEditorX.Controls;

namespace DataEditorX
{
	/// <summary>
	/// Description of CodeEditForm.
	/// </summary>
    public partial class CodeEditForm : DockContent, IEditForm
	{
		#region Style
		SortedDictionary<long,string> cardlist;
		MarkerStyle SameWordsStyle = new MarkerStyle(new SolidBrush(Color.FromArgb(40, Color.White)));
		#endregion
		
		#region init
		AutocompleteMenu popupMenu;
		AutocompleteMenu popupMenu_fun;
		AutocompleteMenu popupMenu_con;
		AutocompleteMenu popupMenu_find;
		string nowFile;
		string title;
		string oldtext;
		Dictionary<string,string> tooltipDic;
        bool tabisspaces = false;
        string nowcdb;
		public CodeEditForm()
		{
			InitForm();
		}
		void InitForm()
		{
			cardlist=new SortedDictionary<long, string>();
			tooltipDic=new Dictionary<string, string>();
			InitializeComponent();
			Font ft=new Font(fctb.Font.Name,fctb.Font.Size/1.2f,FontStyle.Regular);
			popupMenu = new FastColoredTextBoxNS.AutocompleteMenu(fctb);
			popupMenu.MinFragmentLength = 2;
			popupMenu.Items.Font = ft;
			popupMenu.Items.MaximumSize = new System.Drawing.Size(200, 400);
			popupMenu.Items.Width = 300;
			
			popupMenu_fun = new FastColoredTextBoxNS.AutocompleteMenu(fctb);
			popupMenu_fun.MinFragmentLength = 2;
			popupMenu_fun.Items.Font = ft;
			popupMenu_fun.Items.MaximumSize = new System.Drawing.Size(200, 400);
			popupMenu_fun.Items.Width = 300;
			
			popupMenu_con = new FastColoredTextBoxNS.AutocompleteMenu(fctb);
			popupMenu_con.MinFragmentLength = 2;
			popupMenu_con.Items.Font = ft;
			popupMenu_con.Items.MaximumSize = new System.Drawing.Size(200, 400);
			popupMenu_con.Items.Width = 300;
			
			popupMenu_find = new FastColoredTextBoxNS.AutocompleteMenu(fctb);
			popupMenu_find.MinFragmentLength = 2;
			popupMenu_find.Items.Font = ft;
			popupMenu_find.Items.MaximumSize = new System.Drawing.Size(200, 400);
			popupMenu_find.Items.Width = 300;
			title=this.Text;

            string fontname = MyConfig.readString(MyConfig.TAG_FONT_NAME);
            float fontsize = MyConfig.readFloat(MyConfig.TAG_FONT_SIZE, 14);
				fctb.Font=new Font(fontname,fontsize);
			if(MyConfig.readBoolean(MyConfig.TAG_IME))
				fctb.ImeMode=ImeMode.On;
            if (MyConfig.readBoolean(MyConfig.TAG_WORDWRAP))
                fctb.WordWrap = true;
            else
                fctb.WordWrap = false;
            if (MyConfig.readBoolean(MyConfig.TAG_TAB2SPACES))
                tabisspaces = true;
            else
                tabisspaces = false;
		}

		public void LoadXml(string xmlfile)
		{
			fctb.DescriptionFile=xmlfile;
		}
		
		#endregion
		
		#region Open
        public void SetActived()
        {
            this.Activate();
        }
        public bool CanOpen(string file)
        {
            return YGOUtil.isScript(file);
        }
        public string GetOpenFile()
        {
            return nowFile;
        }
        public bool Create(string file)
        {
            return Open(file);
        }
		public bool Open(string file)
		{
			if(!string.IsNullOrEmpty(file))
			{
				if(!File.Exists(file))
				{
					FileStream fs=new FileStream(file, FileMode.Create);
					fs.Close();
				}
				nowFile=file;
				string cdb=MyPath.Combine(
					Path.GetDirectoryName(file),"../cards.cdb");
                SetCardDB(cdb);
				fctb.OpenFile(nowFile, new UTF8Encoding(false));
				oldtext=fctb.Text;
				SetTitle();
                return true;
			}
            return false;
		}

		void HideMenu()
		{
			if(this.MdiParent ==null)
				return;
			menuStrip1.Visible=false;
			menuitem_file.Visible=false;
			menuitem_file.Enabled=false;
		}

		void CodeEditFormLoad(object sender, EventArgs e)
		{
			HideMenu();
			fctb.OnTextChangedDelayed(fctb.Range);
		}
		#endregion
		
		#region doc map
		void ShowMapToolStripMenuItemClick(object sender, EventArgs e)
		{
			if(menuitem_showmap.Checked)
			{
				documentMap1.Visible=false;
				menuitem_showmap.Checked=false;
				fctb.Width += documentMap1.Width;
			}else{
				documentMap1.Visible=true;
				menuitem_showmap.Checked=true;
				fctb.Width -= documentMap1.Width;
			}
		}
		#endregion
		
		#region folding
		void FctbTextChangedDelayed(object sender, TextChangedEventArgs e)
		{
			//delete all markers
			fctb.Range.ClearFoldingMarkers();

			var currentIndent = 0;
			var lastNonEmptyLine = 0;

			for (int i = 0; i < fctb.LinesCount; i++)
			{
				var line = fctb[i];
				var spacesCount = line.StartSpacesCount;
				if (spacesCount == line.Count) //empty line
					continue;
				if (currentIndent < spacesCount)
					//append start folding marker
					fctb[lastNonEmptyLine].FoldingStartMarker = "m" + currentIndent;
				else if (currentIndent > spacesCount)
					//append end folding marker
					fctb[lastNonEmptyLine].FoldingEndMarker = "m" + spacesCount;
				currentIndent = spacesCount;
				lastNonEmptyLine = i;
			}
		}
		#endregion
		
		#region title
		void SetTitle()
		{
			string str=title;
			if(string.IsNullOrEmpty(nowFile))
				str=title;
			else
				str=nowFile+"-"+title;
			if(this.MdiParent !=null)
			{
				if(string.IsNullOrEmpty(nowFile))
					this.Text=title;
				else
					this.Text=Path.GetFileName(nowFile);
				this.MdiParent.Text=str;
			}
			else
				this.Text=str;
		}

		void CodeEditFormEnter(object sender, EventArgs e)
		{
			SetTitle();
		}
		#endregion
		
		#region tooltip
		public void InitTooltip(Dictionary<string,string> tooltipDic
		                        ,AutocompleteItem[] funlist
		                        ,AutocompleteItem[] conlist)
		{
			this.tooltipDic=tooltipDic;
			List<AutocompleteItem> items=new List<AutocompleteItem>();
			items.AddRange(funlist);
			items.AddRange(conlist);
			popupMenu.Items.SetAutocompleteItems(items);
			popupMenu_con.Items.SetAutocompleteItems(conlist);
			popupMenu_fun.Items.SetAutocompleteItems(funlist);
		}

		string FindTooltip(string word)
		{
			string desc="";
			foreach(string v in tooltipDic.Keys)
			{
				int t=v.IndexOf(".");
				string k=v;
				if(t>0)
					k=v.Substring(t+1);
				if(word==k)
					desc=tooltipDic[v];
			}
			return desc;
		}
		void FctbToolTipNeeded(object sender, ToolTipNeededEventArgs e)
		{
			if (!string.IsNullOrEmpty(e.HoveredWord))
			{
				long tl=0;
				string name=e.HoveredWord;
				string desc="";
				if(!name.StartsWith("0x") && name.Length<=9)
				{
					name=name.Replace("c","");
					long.TryParse(name, out tl);
				}
				
				if(tl>0){
					if(cardlist.ContainsKey(tl))
						desc=cardlist[tl];
				}
				else
					desc=FindTooltip(e.HoveredWord);
				if(!string.IsNullOrEmpty(desc))
				{
					e.ToolTipTitle = e.HoveredWord;
					e.ToolTipText = desc;
				}
			}
		}
		#endregion
		
		#region Key
		void FctbKeyDown(object sender, KeyEventArgs e)
		{
			if (e.KeyData == (Keys.K | Keys.Control))
			{
				//forced show (MinFragmentLength will be ignored)
				popupMenu_fun.Show(true);
				e.Handled = true;
			}else if (e.KeyData == (Keys.T | Keys.Control))
			{
				//forced show (MinFragmentLength will be ignored)
				popupMenu_con.Show(true);
				e.Handled = true;
			}
			//else if(e.KeyData == Keys(Keys.Control | Keys
		}
		#endregion
		
		#region input
		
		void Menuitem_showinputClick(object sender, EventArgs e)
		{
			if(menuitem_showinput.Checked)
			{
				menuitem_showinput.Checked=false;
				tb_input.Visible=false;
			}
			else{
				menuitem_showinput.Checked=true;
				tb_input.Visible=true;
			}
		}
		#endregion
		
		#region menu
		void Menuitem_findClick(object sender, EventArgs e)
		{
			fctb.ShowFindDialog();
		}
		
		void Menuitem_replaceClick(object sender, EventArgs e)
		{
			fctb.ShowReplaceDialog();
		}
        bool savefile(bool saveas)
        {
            string alltext = fctb.Text;
            if(!tabisspaces)
                alltext = alltext.Replace("    ", "\t");
            if (saveas)
            {
                using (SaveFileDialog sfdlg = new SaveFileDialog())
                {
                    sfdlg.Filter = LANG.GetMsg(LMSG.ScriptFilter);
                    if (sfdlg.ShowDialog() == DialogResult.OK)
                    {
                        nowFile = sfdlg.FileName;
                        SetTitle();
                    }
                    else
                        return false;
                }
            }
            File.WriteAllText(nowFile, alltext, new UTF8Encoding(false));
            return true;
        }
        public bool Save()
		{
			return savefile(string.IsNullOrEmpty(nowFile));
		}
        public bool SaveAs()
		{
            return savefile(true);
		}
		
		void SaveToolStripMenuItemClick(object sender, EventArgs e)
		{
			Save();
		}
		void SaveAsToolStripMenuItemClick(object sender, EventArgs e)
		{
			SaveAs();
		}
		
		void QuitToolStripMenuItemClick(object sender, EventArgs e)
		{
			this.Close();
		}
		
		void AboutToolStripMenuItemClick(object sender, EventArgs e)
		{
			MyMsg.Show(
				LANG.GetMsg(LMSG.About)+"\t"+Application.ProductName+"\n"
				+LANG.GetMsg(LMSG.Version)+"\t1.1.0.0\n"
                + LANG.GetMsg(LMSG.Author) + "\t柯永裕\n"
				+"Email:\t247321453@qq.com");
		}
		
		void Menuitem_openClick(object sender, EventArgs e)
		{
			using(OpenFileDialog sfdlg=new OpenFileDialog())
			{
				sfdlg.Filter="Script(*.lua)|*.lua|All Files(*.*)|*.*";
				if(sfdlg.ShowDialog()==DialogResult.OK)
				{
					nowFile=sfdlg.FileName;
					fctb.OpenFile(nowFile, new UTF8Encoding(false));
				}
			}
		}
		
		#endregion
		
		#region find
		void Tb_inputKeyDown(object sender, KeyEventArgs e)
		{
			if(e.KeyCode==Keys.Enter)
			{
				//
				string key=tb_input.Text;
				List<AutocompleteItem> tlist=new List<AutocompleteItem>();
				foreach(string k in tooltipDic.Keys)
				{
					if(tooltipDic[k].IndexOf(key)>=0)
					{
						AutocompleteItem ai=new AutocompleteItem(k);
						ai.ToolTipTitle=k;
						ai.ToolTipText=tooltipDic[k];
						tlist.Add(ai);
					}
				}
				popupMenu_find.Items.SetAutocompleteItems(tlist.ToArray());
				popupMenu_find.Show(true);
			}
		}
		#endregion

        #region close
        void CodeEditFormFormClosing(object sender, FormClosingEventArgs e)
		{
			if(!string.IsNullOrEmpty(oldtext))
			{
				if(fctb.Text != oldtext){
					if(MyMsg.Question(LMSG.IfSaveScript))
						Save();
				}
			}else if(fctb.Text.Length>0){
				if(MyMsg.Question(LMSG.IfSaveScript))
					Save();
			}
		}
        #endregion

        #region card tooltip
        public void SetCDBList(string[] cdbs)
		{
			if(cdbs == null)
				return;
			foreach(string cdb in cdbs)
			{
				ToolStripMenuItem tsmi=new ToolStripMenuItem(cdb);
			    tsmi.Click+=MenuItem_Click;
				menuitem_setcard.DropDownItems.Add(tsmi);
			}
		}
		void MenuItem_Click(object sender, EventArgs e)
		{
			ToolStripMenuItem tsmi=sender as ToolStripMenuItem;
			if(tsmi!=null){
				string file=tsmi.Text;
				SetCardDB(file);
			}
		}
		public void SetCardDB(string name)
		{
            nowcdb = name;
            if (!backgroundWorker1.IsBusy)
                backgroundWorker1.RunWorkerAsync();
		}
		
        private void backgroundWorker1_DoWork(object sender, System.ComponentModel.DoWorkEventArgs e)
        {
            if (nowcdb != null && File.Exists(nowcdb))
                SetCards(DataBase.Read(nowcdb, true, ""));
        }
        public void SetCards(Card[] cards)
        {
            if (cards == null)
                return;
            cardlist.Clear();
            foreach (Card c in cards)
            {
                cardlist.Add(c.id, c.ToString());
            }
        }
        #endregion

        #region selection
        void FctbSelectionChangedDelayed(object sender, EventArgs e)
		{
			tb_input.Text=fctb.SelectedText;
			fctb.VisibleRange.ClearStyle(SameWordsStyle);
			if (!fctb.Selection.IsEmpty)
				return;//user selected diapason

			//get fragment around caret
			var fragment = fctb.Selection.GetFragment(@"\w");
			string text = fragment.Text;
			if (text.Length == 0)
				return;
			//highlight same words
			var ranges = fctb.VisibleRange.GetRanges("\\b" + text + "\\b");
			foreach(var r in ranges)
				r.SetStyle(SameWordsStyle);
		}
        #endregion

        #region goto function define
        void FctbMouseClick(object sender, MouseEventArgs e)
		{
			var fragment = fctb.Selection.GetFragment(@"\w");
			string text = fragment.Text;
			if (text.Length == 0)
				return;
			if(e.Button == MouseButtons.Left && Control.ModifierKeys == Keys.Control)
			{
				List<int> linenums=fctb.FindLines(@"function\s+?\S+?\."+text+@"\(",RegexOptions.Singleline);
				if(linenums.Count>0)
				{
					fctb.Navigate(linenums[0]);
					//MessageBox.Show(linenums[0].ToString());
				}
			}
        }
        #endregion


    }
}
