// JavaScript Document

$(document).ready(function(){
	//$('#town').bind('change', town_selected());
	setupZoom();
	//$('div#map').html(maps['Москва']);
	$('#showmap').attr('disabled', 'disabled');
});

function country_selected() {
	var country = $('select#country').val();
	$.post('/ajax/search.php?op=town', {country:country}, function(data){
		$('select#town').html(data);
		
		$('p#p_metro').css('display', 'none');
		$('div#map').css('display', 'none');
		$('select#metro').attr('disabled', 'disabled');
		$('select#street').attr('disabled', 'disabled');		
	});
}

function town_selected(markers) {
	var country = $('select#country').val();
	var town = $('#town').val();
	var html = '';
	var s = '';

	// Получить координаты и маркеры магазов в этом городе:
	$.post('/ajax/search.php?op=towndata', {town:town, country:country}, function(data){
	    map.clearOverlays();
		if ($('div#map').css('display') == 'none') {
			$('div#map').css('display', 'block');
		}
		
		
		//alert(data);
		data = unserialize(data);
		map.setCenter(new GLatLng(data['coords']['XCoord'], data['coords']['YCoord']), data['coords']['Distance']);
		if (markers) {
			for(var i in data['items']) {
				var ob = data['items'][i];
				var wh = '<b><a href="' + ob['link'] + '" target=_blank>' + ob['Name'] + '</a></b><br>' + ob['Street'] + ', дом ' + ob['Dom'] + '<br>Телефоны: ' + ob['Phones'];
				map.addOverlay(createMarker(ob['XCoord'], ob['YCoord'], wh));			
				if (ob['Street'] != s) {
					html = html + '<div class="news-border2"></div><h3>' + ob['Street'] + '</h3>';
					s = ob['Street'];
				}
				html = html + shop_item(ob);
			}
			$('div#shoplist').html(html);
		}
		if (data['metro']) {
			$('select#metro').html(data['metro']);
			$('p#p_metro').css('display', 'block')
			$('select#metro').removeAttr('disabled');
		}
		
		$('select#street').html(data['streets']);
		$('select#street').removeAttr('disabled');
    });
}

function town_y_selected(markers) {
	var country = $('select#country').val();
	var town = $('#town').val();
	var html = '';
	var s = '';

	// Получить координаты и маркеры магазов в этом городе:
	$.post('/ajax/search.php?op=towndata', {town:town, country:country}, function(data){
		manager.removeAll();
		if ($('div#map').css('display') == 'none') {
			$('div#map').css('display', 'block');
		}
		
		
		//alert(data);
		data = unserialize(data);
		map.setCenter(new YMaps.GeoPoint(data['coords']['YCoord'], data['coords']['XCoord']), data['coords']['Distance']);

		if (markers) {
			for(var i in data['items']) {
				var ob = data['items'][i];
				var name = ob['Name'];
				var wh = '<b><a href="' + ob['link'] + '" target=_blank>' + ob['Name'] + '</a></b><br>' + ob['Street'] + ', дом ' + ob['Dom'] + '<br>Телефоны: ' + ob['Phones'];
				createYMarker(ob['XCoord'], ob['YCoord'], name, wh, false);
				if (ob['Street'] != s) {
					html = html + '<div class="news-border2"></div><h3>' + ob['Street'] + '</h3>';
					s = ob['Street'];
				}
				html = html + shop_item(ob);
			}
			$('div#shoplist').html(html);
		}
		if (data['metro']) {
			$('select#metro').html(data['metro']);
			$('p#p_metro').css('display', 'block')
			$('select#metro').removeAttr('disabled');
		}
		
		$('select#street').html(data['streets']);
		$('select#street').removeAttr('disabled');
    });
}



function add_shop_market(f_Name, f_Street, f_Dom, f_Phones, f_XCoord, f_YCoord) {
	var wh = '<b>' + f_Name + '</b><br>' + f_Street + ', дом ' + f_Dom + '<br>Телефоны: ' + f_Phones;
	map.addOverlay(createMarker(f_XCoord, f_YCoord, wh));			
}

function add_shop_marker(f_Name, f_Street, f_Dom, f_Phones, f_XCoord, f_YCoord) {
	var name = f_Name;
	var wh = '<b>' + f_Name + '</b><br>' + f_Street + ', дом ' + f_Dom + '<br>Телефоны: ' + f_Phones;
	createYMarker(f_XCoord, f_YCoord, name, wh, false);
}


function metro_selected() {
	var metro = $('select#metro').val();
	var html = '';
	var s = '';
	// Получить координаты и маркеры магазов вокруг этой станции
	$.post('/ajax/search.php?op=metrodata', {metro:metro}, function(data){
	    map.clearOverlays();
		
		//alert(data);
		data = unserialize(data);
		map.setCenter(new GLatLng(data['coords']['XCoord'], data['coords']['YCoord']), 12);
		for(var i in data['items']) {
			var ob = data['items'][i];
            var wh = '<b><a href="' + ob['link'] + '" target=_blank>' + ob['Name'] + '</a></b><br>' + ob['Street'] + ', дом ' + ob['Dom'] + '<br>Телефоны: ' + ob['Phones'];
            map.addOverlay(createMarker(ob['XCoord'], ob['YCoord'], wh));			
			if (ob['Street'] != s) {
			    html = html + '<h3>' + ob['Street'] + '</h3>';
				s = ob['Street'];
			}
			html = html + shop_item(ob);
		}
		$('div#shoplist').html(html);
		$('select#street').val('-1');
    });
}


function metro_y_selected() {
	var metro = $('select#metro').val();
	var html = '';
	var s = '';
	// Получить координаты и маркеры магазов вокруг этой станции
	$.post('/ajax/search.php?op=metrodata', {metro:metro}, function(data){
		manager.removeAll();
		
		//alert(data);
		data = unserialize(data);
		map.setCenter(new YMaps.GeoPoint(data['coords']['YCoord'], data['coords']['XCoord']), 12);
		
		for(var i in data['items']) {
			var ob = data['items'][i];
			var name = ob['Name'];
            var wh = '<b><a href="' + ob['link'] + '" target=_blank>' + ob['Name'] + '</a></b><br>' + ob['Street'] + ', дом ' + ob['Dom'] + '<br>Телефоны: ' + ob['Phones'];
            createYMarker(ob['YCoord'], ob['XCoord'], name, wh, false);			
			if (ob['Street'] != s) {
			    html = html + '<h3>' + ob['Street'] + '</h3>';
				s = ob['Street'];
			}
			html = html + shop_item(ob);
		}
		$('div#shoplist').html(html);
		$('select#street').val('-1');
    });
}


function street_selected() {
	var country = $('select#country').val();
	var town = $('#town').val();
	var street = $('select#street').val();
	var html = '';
	var s = '';
	
	$.post('/ajax/search.php?op=street', {country:country, town:town, street:street}, function(data){
		data = unserialize(data);
		map.clearOverlays();
		map.setCenter(new GLatLng(data['coords']['XCoord'], data['coords']['YCoord']), data['coords']['Distance']);
		
		var items = data['items'];
		for(var i in items) {
			var ob = items[i];
            var wh = '<b><a href="' + ob['link'] + '" target=_blank>' + ob['Name'] + '</a></b><br>' + ob['Street'] + ', дом ' + ob['Dom'] + '<br>Телефоны: ' + ob['Phones'];
            map.addOverlay(createMarker(ob['XCoord'], ob['YCoord'], wh));			
			if (ob['Street'] != s) {
			    html = html + '<h3>' + ob['Street'] + '</h3>';
				s = ob['Street'];
			}
			html = html + shop_item(ob);
		}
		$('div#shoplist').html(html);	
		$('select#metro').val('-1');
	});
}


function street_y_selected() {
	var country = $('select#country').val();
	var town = $('#town').val();
	var street = $('select#street').val();
	var html = '';
	var s = '';
	
	$.post('/ajax/search.php?op=street', {country:country, town:town, street:street}, function(data){
		data = unserialize(data);
		manager.removeAll();
		
		map.setCenter(new YMaps.GeoPoint(data['coords']['YCoord'], data['coords']['XCoord']), data['coords']['Distance']);
		
		var items = data['items'];
		for(var i in items) {
			var ob = items[i];
			var name = ob['Name'];
            var wh = '<b><a href="' + ob['link'] + '" target=_blank>' + ob['Name'] + '</a></b><br>' + ob['Street'] + ', дом ' + ob['Dom'] + '<br>Телефоны: ' + ob['Phones'];
            createYMarker(ob['YCoord'], ob['XCoord'], name, wh, false);			
			if (ob['Street'] != s) {
			    html = html + '<h3>' + ob['Street'] + '</h3>';
				s = ob['Street'];
			}
			html = html + shop_item(ob);
		}
		$('div#shoplist').html(html);	
		$('select#metro').val('-1');
	});
}


function shop_item(ob) {
	return '<div class="shop_item"><a href="' + ob['link'] + '">' + ob['Name'] + '</a> Адрес: ' + ob['Street'] + ', дом ' + ob['Dom'] + '<br>Телефоны: ' + ob['Phones'] + '</div>';
}

function unserialize(data) {
    // Creates a PHP value from a stored representation
    // 
    // +    discuss at: http://kevin.vanzonneveld.net/techblog/article/javascript_equivalent_for_phps_unserialize/
    // +       version: 809.2122
    // +     original by: Arpad Ray (mailto:arpad@php.net)
    // +     improved by: Pedro Tainha (http://www.pedrotainha.com)
    // +     bugfixed by: dptr1988
    // +      revised by: d3x
    // +     improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // %            note: We feel the main purpose of this function should be to ease the transport of data between php & js
    // %            note: Aiming for PHP-compatibility, we have to translate objects to arrays 
    // *       example 1: unserialize('a:3:{i:0;s:5:"Kevin";i:1;s:3:"van";i:2;s:9:"Zonneveld";}');
    // *       returns 1: ['Kevin', 'van', 'Zonneveld']
    // *       example 2: unserialize('a:3:{s:9:"firstName";s:5:"Kevin";s:7:"midName";s:3:"van";s:7:"surName";s:9:"Zonneveld";}');
    // *       returns 2: {firstName: 'Kevin', midName: 'van', surName: 'Zonneveld'}
    
    var error = function (type, msg, filename, line){throw new window[type](msg, filename, line);};
    var read_until = function (data, offset, stopchr){
        var buf = [];
        var chr = data.slice(offset, offset + 1);
        var i = 2;
        while(chr != stopchr){
            if((i+offset) > data.length){
                error('Error', 'Invalid');
            }
            buf.push(chr);
            chr = data.slice(offset + (i - 1),offset + i);
            i += 1;
        }
        return [buf.length, buf.join('')];
    };
    var read_chrs = function (data, offset, length){
        buf = [];
        for(var i = 0;i < length;i++){
            var chr = data.slice(offset + (i - 1),offset + i);
            buf.push(chr);
        }
        return [buf.length, buf.join('')];
    };
    var _unserialize = function (data, offset){
        if(!offset) offset = 0;
        var buf = [];
        var dtype = (data.slice(offset, offset + 1)).toLowerCase();
        
        var dataoffset = offset + 2;
        var typeconvert = new Function('x', 'return x');
        var chrs = 0;
        var datalength = 0;
        
        switch(dtype){
            case "i":
                typeconvert = new Function('x', 'return parseInt(x)');
                var readData = read_until(data, dataoffset, ';');
                var chrs = readData[0];
                var readdata = readData[1];
                dataoffset += chrs + 1;
            break;
            case "b":
                typeconvert = new Function('x', 'return (parseInt(x) == 1)');
                var readData = read_until(data, dataoffset, ';');
                var chrs = readData[0];
                var readdata = readData[1];
                dataoffset += chrs + 1;
            break;
            case "d":
                typeconvert = new Function('x', 'return parseFloat(x)');
                var readData = read_until(data, dataoffset, ';');
                var chrs = readData[0];
                var readdata = readData[1];
                dataoffset += chrs + 1;
            break;
            case "n":
                readdata = null;
            break;
            case "s":
                var ccount = read_until(data, dataoffset, ':');
                var chrs = ccount[0];
                var stringlength = ccount[1];
                dataoffset += chrs + 2;
                
                var readData = read_chrs(data, dataoffset+1, parseInt(stringlength));
                var chrs = readData[0];
                var readdata = readData[1];
                dataoffset += chrs + 2;
                if(chrs != parseInt(stringlength) && chrs != readdata.length){
                    error('SyntaxError', 'String length mismatch');
                }
            break;
            case "a":
                var readdata = {};
                
                var keyandchrs = read_until(data, dataoffset, ':');
                var chrs = keyandchrs[0];
                var keys = keyandchrs[1];
                dataoffset += chrs + 2;
                
                for(var i = 0;i < parseInt(keys);i++){
                    var kprops = _unserialize(data, dataoffset);
                    var kchrs = kprops[1];
                    var key = kprops[2];
                    dataoffset += kchrs;
                    
                    var vprops = _unserialize(data, dataoffset);
                    var vchrs = vprops[1];
                    var value = vprops[2];
                    dataoffset += vchrs;
                    
                    readdata[key] = value;
                }
                
                dataoffset += 1;
            break;
            default:
                error('SyntaxError', 'Unknown / Unhandled data type(s): ' + dtype);
            break;
        }
        return [dtype, dataoffset - offset, typeconvert(readdata)];
    };
    return _unserialize(data, 0)[2];
}// }}}

