// ENCODE=0
var G;

function Game()
{
	 //Глобальные переменные игры 
	 //Версия 
	this.gg_name='Кроссворд';
	 //Размер одной ячейки по умолчанию (пикселов) 
	this.gg_cell_size=20;
	// Цвет фона
	this.gg_bg_color='#b0b0b0';
	 //Сколько показывать ошибку в ячейке 
	this.gg_delay=1000;
	 //Директория рисунков шаров 
	this.gg_img_dir='/games/crossword/images/';
	// Ссыдка на ajax
	this.gg_ajaxurl='/games/crossword/crossword.ajax.php';
	//
	this.gg_layout_raw='';
	//
	this.gg_debug=0;
	// Размер по горизонтали
	this.gi_h_size=0;
	// Размер по вертикали
	this.gi_v_size=0;
	// Поле с клетками
	this.gi_layout=new Array();
	// Выделенные клетки
	this.gi_selected_cells=new Array();
	// Координаты последнего клика
	this.gi_x_pos_old=-1;
	this.gi_y_pos_old=-1;
	// Номер ячейки
	this.gi_sel_pos=0;
	this.gi_sel_type='';
	// Данные для проверки
	this.gi_h_words=new Array();
	this.gi_v_words=new Array();
	// Ид кроссворда
	this.id = null;
	//Метод. Нарисовать игровое поле 
	this.drawField=function drawField()
	{
		// Cache
		for (var i=0; i < this.gi_layout.length;i++)
		{
			if (this.gi_layout[i]>0)
			{
				eval("var img_"+i+"=new Image;img_"+i+".src='http://www.gamefile.ru"+this.gg_img_dir+"bgcell-"+this.gi_layout[i]+"-s.gif';");
			}
		}
		var w=this.gg_cell_size;
		var h = '<form="'+this.gg_ajaxurl+'check" id="gamecheckform"><input type="hidden" name="abc"><input type="hidden" name="data"></form>';
		h = h + '<table border=0 cellspacing=0 cellpadding=0 bgcolor='+this.gg_bg_color+'>\n';
		h = h + '<tr height=5px>\n<td width=4px rowspan='+(Number(this.gi_v_size)+1)+'><img src="' + this.gg_img_dir + 'px.gif" width="4" height="1" border="0" alt=""></td>\n<td colspan='+this.gi_h_size+'>\n<img src="' + this.gg_img_dir + 'px.gif" width="'+(this.gi_v_size*this.gg_cell_size)+'" height="1" border="0" alt=""></td>\n<td width=5px valign="top" rowspan='+(Number(this.gi_v_size)+1)+'><img src="'+this.gg_img_dir+'corner-top-right.gif" width="5" height="5" border="0" alt=""></td>\n</tr>\n';
		for (var y=0; y < this.gi_v_size; y++)
		{
			h = h + '<tr>\n';
			for (var x=0; x < this.gi_h_size; x++)
			{
				h = h + '<td id=cell_'+x+'_'+y+' align="center" valign="middle" width='+w+'px height='+w+'px ';
				var v = this.gi_layout[y*this.gi_h_size + x];
				if (v >= 0)
				{
					h = h + 'background="'+this.gg_img_dir+'bgcell-'+v+'.gif" style="font: 14px verdana,arial,helvetica,sans-serif; font-weight: bold; cursor: hand;" onClick="javascript:G.selectLine('+x+','+y+');return false;"></td>\n';
				}
				else
				{
					h = h + '></td>';
				}

			}
			h = h + '</tr>\n';
		}
		h=h + '<tr>\n<td height=4px colspan='+(Number(this.gi_h_size+2))+'>\n</td>\n</tr>\n';
		h=h + '<tr bgcolor="#ffffff">\n<td height=10px colspan='+(Number(this.gi_h_size+2))+'>\n</td>\n</tr>\n';
		h=h + '<tr>\n<td height=4px colspan='+(Number(this.gi_h_size+1))+'>\n</td>\n</tr>\n';
		h=h + '<tr>\n<td width=4px></td>\n<td colspan='+this.gi_h_size+'>';
		h=h + '<table><tr><td id="game_selected_line" style="color: #f6f888; font-weight: bold; font-size: 14px;">кликните мышью по ячейке</td></tr>';
		h=h + '<tr><td style="color: #ffffff; font-size: 14px;"><input type="text" id="game_input_word" name="game_input_word" size="12" MAXLENGTH=0 style="font-weight: bold; font-size: 14px;">&nbsp;&nbsp;<input type="button" style="font-size: 14px;" value="вставить" onClick="javascript:G.writeWord(document.getElementById(\'game_input_word\').value);">&nbsp;|&nbsp;<input type="button" style="font-size: 14px;" value="удалить" onClick="javascript:G.removeWord();">&nbsp;</td></tr>';
		h=h + '</table>';
		h=h + '</td>\n<td width=4px></td>\n</tr>\n';
		h=h + '<tr>\n<td><img src="'+this.gg_img_dir+'corner-buttom-left.gif" width="4" height="4" border="0" alt=""></td><td height=4px colspan='+(Number(this.gi_h_size+1))+'>\n</td>\n</tr>\n';
		h= h + '</table>\n';

		if (this.gg_debug==1)
		{
			h=h+'<br><textarea id="game_debug" rows="5" cols="40"></textarea>';
		}
		document.getElementById('_gamearea').innerHTML = h;
		document.getElementById('_gamearea').style.width = ((this.gg_cell_size*this.gi_v_size)+20) + 'px';
		document.getElementById('_gamearea2').style.width = (740 - (this.gg_cell_size*this.gi_v_size)-40) + 'px';
	}	

	this.findHLine=function findHLine(in_x,in_y)
	{
		var out_array = new Array(in_x,in_y);
		this.gi_sel_pos=this.gi_layout[in_y*this.gi_h_size + in_x];
		var sign = new Array(1,-1);
		for (var i=0;i<2;i++ )
		{
			var x = in_x+sign[i];
			var v = this.gi_layout[in_y*this.gi_h_size + x];
			while (v>=0 && x<this.gi_h_size && x >=0)
			{
				if (v>0 && sign[i]<0)
				{
					this.gi_sel_pos=v;
				}
				out_array.push(Number(x));
				out_array.push(Number(in_y));
				x=x+sign[i];
				v = this.gi_layout[in_y*this.gi_h_size + x];
			}		
		}
		return out_array;
	}

	this.findVLine=function findVLine(in_x,in_y)
	{
		var out_array = new Array(in_x,in_y);
		this.gi_sel_pos=this.gi_layout[in_y*this.gi_h_size + in_x];
		var sign = new Array(1,-1);
		for (var i=0;i<2;i++ )
		{
			var y = in_y+sign[i];
			var v = this.gi_layout[y*this.gi_h_size + in_x];
			while (v>=0 && y<this.gi_v_size && y>=0)
			{
				if (v>0 && sign[i]<0)
				{
					this.gi_sel_pos=v;
				}
				out_array.push(Number(in_x));
				out_array.push(Number(y));
				y=y+sign[i];
				v = this.gi_layout[y*this.gi_h_size + in_x];
			}		
		}
		return out_array;
	}
	
	this.isNoHLine=function isNoHLine(in_x,in_y)
	{
		var b=true;
		if (in_x > 0)
		{
			if (this.gi_layout[in_y*this.gi_h_size+in_x-1]>=0)
			{
				b=false;
			}
		}
		if (((in_x+1) < this.gi_h_size) && b)
		{
			if (this.gi_layout[in_y*this.gi_h_size+in_x+1]>=0)
			{
				b=false;
			}
		}
		return b;
	}

	this.isNoVLine=function isNoVLine(in_x,in_y)
	{
		var b=true;
		if (in_y > 0)
		{
			if (this.gi_layout[(in_y-1)*this.gi_h_size+in_x]>=0)
			{
				b=false;
			}
		}
		if (((in_y+1) < this.gi_v_size) && b)
		{
			if (this.gi_layout[(in_y+1)*this.gi_h_size+in_x]>=0)
			{
				b=false;
			}
		}
		return b;
	}

	this.sortSelectedCells=function sortSelectedCells()
	{
		var c;
		for (var j=0;j<this.gi_selected_cells.length;j=j+2)
		{
			for (var i=j+2;i<this.gi_selected_cells.length;i=i+2)
			{
				if (this.gi_sel_type=='h')
				{
					if (this.gi_selected_cells[i]<this.gi_selected_cells[j])
					{
						c=this.gi_selected_cells[j];
						this.gi_selected_cells[j]=this.gi_selected_cells[i];
						this.gi_selected_cells[i]=c;
						c=this.gi_selected_cells[j+1];
						this.gi_selected_cells[j+1]=this.gi_selected_cells[i+1];
						this.gi_selected_cells[i+1]=c;
					}
				}
				else
				{
					if (this.gi_selected_cells[i+1]<this.gi_selected_cells[j+1])
					{
						c=this.gi_selected_cells[j];
						this.gi_selected_cells[j]=this.gi_selected_cells[i];
						this.gi_selected_cells[i]=c;
						c=this.gi_selected_cells[j+1];
						this.gi_selected_cells[j+1]=this.gi_selected_cells[i+1];
						this.gi_selected_cells[i+1]=c;
					}
				}
			}			
		}
	}

	this.selectCell=function selectCell(in_x,in_y,in_t)
	{
		document.getElementById('cell_'+in_x+'_'+in_y).style.background='url('+this.gg_img_dir+'bgcell-'+this.gi_layout[in_y*this.gi_h_size + in_x]+in_t+'.gif)';
	}	

	this.clearLine=function clearLine()
	{
		// Clear up
		for (var i=0;i<this.gi_selected_cells.length;i=i+2)
		{
			this.selectCell(this.gi_selected_cells[i],this.gi_selected_cells[i+1],'');
		}
		if (this.gi_sel_pos > 0 && document.getElementById('desc_'+this.gi_sel_type+'_'+this.gi_sel_pos)!=null)
		{
			document.getElementById('desc_'+this.gi_sel_type+'_'+this.gi_sel_pos).style.background='';
			document.getElementById('desc_'+this.gi_sel_type+'_'+this.gi_sel_pos).style.color='#676767';
		}
	}
	
	this.findLine=function findLine(in_x,in_y)
	{
		var notsel=true;
		if (this.isNoHLine(in_x,in_y))
		{
			this.gi_selected_cells=this.findVLine(in_x,in_y);
			notsel=false;
		}
		if (this.isNoVLine(in_x,in_y) && notsel)
		{
			this.gi_selected_cells=this.findHLine(in_x,in_y);
			notsel=false;
		}
		if ((this.gi_x_pos_old==in_x && this.gi_y_pos_old==in_y) && notsel)
		{
			if (this.gi_selected_cells[0] == this.gi_selected_cells[2])
			{
				this.gi_selected_cells=this.findHLine(in_x,in_y);
			}
			else
			{
				this.gi_selected_cells=this.findVLine(in_x,in_y);
			}
			notsel=false;
		}
		if (notsel)
		{
			this.gi_selected_cells=this.findHLine(in_x,in_y);
			notsel=false;
		}
	}

	this.selectCells=function selectCells(in_x,in_y)
	{
		if (this.gi_selected_cells[0] == this.gi_selected_cells[2])
		{
			document.getElementById('game_selected_line').innerHTML=this.gi_sel_pos+' по вертикали';
			this.gi_sel_type='v';
		}
		else
		{
			document.getElementById('game_selected_line').innerHTML=this.gi_sel_pos+' по горизонтали';
			this.gi_sel_type='h';
		}
		this.sortSelectedCells();
		for (var i=0;i<this.gi_selected_cells.length;i=i+2)
		{
			this.selectCell(this.gi_selected_cells[i],this.gi_selected_cells[i+1],'-s');
		}
		document.getElementById('game_input_word').maxLength=this.gi_selected_cells.length/2;
		document.getElementById('game_input_word').focus();
		document.getElementById('game_input_word').value='';
		this.gi_x_pos_old = in_x;
		this.gi_y_pos_old = in_y;
		if (document.getElementById('desc_'+this.gi_sel_type+'_'+this.gi_sel_pos)!=null)
		{
			document.getElementById('desc_'+this.gi_sel_type+'_'+this.gi_sel_pos).style.background='#8f8f8f';
			document.getElementById('desc_'+this.gi_sel_type+'_'+this.gi_sel_pos).style.color='#ffff80';
		}

	}

	this.selectLine=function selectLine(in_x,in_y)
	{
		this.clearLine();
		this.findLine(in_x,in_y);
		this.selectCells(in_x,in_y);
	}

	this.selectDesc=function selectDesc(in_type, in_pos)
	{
		this.clearLine();
		var x1;
		var y1;
		for (var y=0; y < this.gi_v_size; y++)
		{
			for (var x=0; x < this.gi_h_size; x++)
			{
				if (this.gi_layout[y*this.gi_h_size + x] == in_pos)
				{
					if (in_type=='h')
					{
						this.gi_selected_cells=this.findHLine(x,y);
					}
					else
					{
						this.gi_selected_cells=this.findVLine(x,y);
					}
					x1=x;
					y1=y;
				}
			}
		}
		this.gi_sel_type=in_type;
		this.selectCells(x1,y1);
	}

	this.writeWord=function writeWord(in_word)	
	{
		var b=true;
		var s=in_word.toUpperCase();
		if (this.gi_selected_cells.length/2!=in_word.length)
		{
			b=false;
		}
		var k=0;
		for (var i=0;i<this.gi_selected_cells.length;i=i+2)
		{
			var v=document.getElementById('cell_'+this.gi_selected_cells[i]+'_'+this.gi_selected_cells[i+1]).innerHTML;
			if (v!='')
			{
				if (s.substr(k,1)!=v)
				{
					b=false;
				}
			}
			k++;
		}
		if (b)
		{
			k=0;
			for (var i=0;i<this.gi_selected_cells.length;i=i+2)
			{
				document.getElementById('cell_'+this.gi_selected_cells[i]+'_'+this.gi_selected_cells[i+1]).innerHTML=s.substr(k,1);
				k++;
			}
			if (this.gi_sel_type=='v')
			{
				this.gi_v_words[this.gi_sel_pos]=s;
			}
			else
			{
				this.gi_h_words[this.gi_sel_pos]=s;
			}
			this.checkGame();
		}
		else
		{
			document.getElementById('game_input_word').style.background='#ff5b5b';
			setTimeout('document.getElementById("game_input_word").style.background="#ffffff";',this.gg_delay);			
		}
	}

	this.removeWord=function removeWord()
	{
		var x;
		var y;
		if (this.gi_sel_pos>0)
		{
			for (var i=0;i<this.gi_selected_cells.length;i=i+2)
			{
				x=this.gi_selected_cells[i];
				y=this.gi_selected_cells[i+1];
				var b=true;
				if (this.gi_sel_type=='h')
				{
					if (y>0 && document.getElementById('cell_'+Number(x)+'_'+Number(y-1)).innerHTML!='')
					{
						b=false;
					}
					if ((y+1)<this.gi_v_size && document.getElementById('cell_'+Number(x)+'_'+Number(y+1)).innerHTML!='')
					{
						b=false;
					}
					this.gi_h_words[this.gi_sel_pos]=null;
				}
				else
				{
					if (x>0 && document.getElementById('cell_'+Number(x-1)+'_'+Number(y)).innerHTML!='')
					{
						b=false;
					}
					if ((x+1)<this.gi_h_size && document.getElementById('cell_'+Number(x+1)+'_'+Number(y)).innerHTML!='')
					{
						b=false;
					}
					this.gi_v_words[this.gi_sel_pos]=null;
				}
				if (b)
				{
					document.getElementById('cell_'+x+'_'+y).innerHTML='';	  
				}
			}
		}
	}

	 //Метод. Вывод сообщения об ошибке 
	this.setStatus=function setStatus(s)
	{
		if (document.getElementById('_gamestatus'))
		{
			document.getElementById('_gamestatus').innerHTML=s;
		}
	}

	function codeCyr(input)
	{
		var ru_abc = 'АБВГДЕЁЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯ';
		var en_abc = 'abcdefghjiklmnopqrstuvwxyz0123456789';
		var output = '';
		for (var i=0; i < input.length; i++)
		{
			var c = input.substring(i, i+1);
			var k = ru_abc.indexOf(c);
			output = output + en_abc.substring(k,k+1);
		}
		return output;
	}

	this.checkGame=function checkGame()
	{
		var b=true;
		for (var y=0; y < this.gi_v_size; y++)
		{
			for (var x=0; x < this.gi_h_size; x++)
			{
				if (document.getElementById('cell_'+x+'_'+y).onclick && document.getElementById('cell_'+x+'_'+y).innerHTML=='')
				{
					b=false;
				}
			}
		}
		if (b)
		{
			G.setStatus('Проверка кроссворда...');
			G.gg_ajaxmode = 'check';
			var w_h_list = '';
			var w_v_list = '';
			for (var i=0; i < 100; i++ )
			{
				if (G.gi_h_words[i])
				{
					w_h_list = w_h_list + i+'=' +escape(G.gi_h_words[i]) + ';' 
				}
				if (G.gi_v_words[i])
				{
					w_v_list = w_v_list + i + '=' + escape(G.gi_v_words[i]) + ';' 
				}
			}
			callServer('POST', G.gg_ajaxurl, G.gg_ajaxmode+'/'+G.id+'/'+w_h_list + '/' + w_v_list, null, readData, G);
			//alert('Отладка: ' + w_h_list + '/' + w_v_list);
		}
	}

	this.loadGame=function loadGame(in_layout)
	{
		var a = new Array();
		var pattern = new RegExp("[0-9]{1}");
		if (in_layout != '')
		{
			a = in_layout.split('|');
			if (a.length == 4)
			{
				this.gi_h_size=1*a[1];
				this.gi_v_size=1*a[2];
				var s=a[3];
				var i=0;
				while (i<s.length)
				{
					var n = s.substr(i,1);
					if (n == 'z' || n=='.')
					{
						n=-1;
					}
					if (n == 'e')
					{
						n=0;
					}
					if (n == 'n')
					{
						n = s.substr(i+1,1);
						if (pattern.test(s.substr(i+2,1)))
						{
							n = s.substr(i+1,2);
							i++;
						}
						i++;
					}
					this.gi_layout.push(1*n);
					i++;
				}
			}
		}
		this.drawField();
	}
} 

function startGame()
{
	G=new Game();
	loadGame();
}

function loadGame()
{
	G.setStatus('Загрузка кроссворда ...');
	var cur_url = new String(window.location);
	var url_re = /(\d+)\.html$/i;
	var s = '1';
	if (cur_url.match(url_re)!=null)
	{
		s = RegExp.$1;
	}
	G.id = s;
	G.gg_ajaxmode = 'new';
	callServer(null, G.gg_ajaxurl+'?'+G.gg_ajaxmode+'/'+s, null, null, readData, G);
}

function readData(obj, responseText, responseXML, statusCode, statusText) {
	if (statusCode==200 || statusCode==201) {
		response = responseXML.documentElement;  
		if (obj.gg_ajaxmode == 'new')
		{
			obj.gg_layout_raw = new String(responseXML.getElementsByTagName('data')[0].firstChild.data);  
			obj.loadGame(obj.gg_layout_raw);
		}
		else
		{
			r = new String(responseXML.getElementsByTagName('data')[0].firstChild.data);
/*			var d = new String(responseXML.getElementsByTagName('debug')[0].firstChild.data);
			if (d)
			{
				alert(d);
			} */
			if (r == '0')
			{
				alert('Поздравляем! Вы правильно заполнили кроссворд.');
				G.gi_game_finished=true;		
			}
			else
			{
				alert('Кроссворд заполнено неверно. Количество неправильных слов: ' + r);		
				G.gi_game_finished=false;		
			}
			G.setStatus("Проверка кроссворда завершена.");
		}
	}
	else {
		G.setStatus("Загрузить информацию не удалось: "+statusText);
	}
}