// ---------------------------------------------------------
// VSearchWidget class
// Плагин для реализации поиска.
// ---------------------------------------------------------

VSearchWidget.prototype._width = null;
VSearchWidget.prototype._height = null;

VSearchWidget.prototype._visible = false;

/** HTMLelement. */
VSearchWidget.prototype._div;

VSearchWidget.prototype._box_fields;
VSearchWidget.prototype._hint;
VSearchWidget.prototype._address;
VSearchWidget.prototype._submit_button;
VSearchWidget.prototype._results;

VSearchWidget.prototype._layer;
VSearchWidget.prototype._marker;

/**
 *  @category = Plugins
 *  @class
 *  Плагин для реализации поиска. Отображает поисковую форму.
 *  @params {HTMElement} div html элемент div, в котором будет отображаться поисковая форма.
 *  @constructor
 */
function VSearchWidget(div) {
    this._div = div;
    this.init();

    _VISICOM_SearchWidget_layer = new VLayer();
    mapEngine.addLayer(_VISICOM_SearchWidget_layer);
}

/**
 *  Инициализация.
 */
VSearchWidget.prototype.init = function() {
    this._width = this._div.offsetWidth;
    this._height = this._div.offsetHeight;
    
    if (this._width < 200) this._width = 200;
    if (this._height < 80) this._height = 80;
    
    var me = this;
    
    this._div.style.margin = '0px';
    this._div.style.padding = '0px';
    this._div.style.position = 'relative';
    this._div.style.zIndex = '102';
    this._div.style.width = this._width + 'px';
    this._div.style.height = this._height + 'px';
    //this._div.style.border = '1px solid #acbedf';
    
    // Подсказка
    this._hint = document.createElement('div');
    this._hint.style.fontSize = '12px';
    this._hint.style.fontFamily = 'Verdana';
    this._hint.style.fontWeight = 'bold';
    //this._hint.style.color = '#34547C';
    this._hint.style.padding = '0px';
    this._hint.style.position = 'relative';
    this._hint.style.width = this._width + 'px';
    this._hint.style.height = '20px';
    this._hint.innerHTML = MSG_SEARCH_ADDRESS;
    //this._hint.style.border = '1px dashed #acbedf';


    // Область для контролов
    this._box_fields = document.createElement('div');
    //this._box_fields.style.margin = '10px 0px 0px 21px';
    this._box_fields.style.padding = '0px';
    this._box_fields.style.width = this._width + 'px';
    this._box_fields.style.height = '50px';
    //this._box_fields.style.border = '1px dashed #acbedf';

    
    // Адрес
    this._address = document.createElement('input');
    this._address.id = 'address';
    this._address.onkeypress = function(e) {
        var keynum;
        if (window.event) {
            keynum = window.event.keyCode;
        } else if(e.which) {
          keynum = e.which;
        }
        // Проверка на нажатие клавиши "Enter"
        if (keynum != 13) return;
        
        me._goSearch();
    }
    //this._address.style.border = '1px solid #acbedf';
    this._address.style.background = 'url(http://maps.visicom.ua/images/background_field.gif) repeat-x left top';
    this._address.style.fontSize = '12px';
    this._address.style.fontFamily = 'Verdana';
    this._address.style.marginRight = '3px';
    //this._address.style.color = 'gray';
    this._address.style.width = (this._width - 75) + 'px';
    this._address.style.height = '19px';
    //this._address.style.verticalAlign = 'top';
    
    
    // Кнопка "Поиск"
    this._submit_button = document.createElement('input');
    this._submit_button.type = 'button';
    this._submit_button.style.width = '70px';
    this._submit_button.style.height = '21px';
    this._submit_button.value = 'Найти';
    this._submit_button.onclick = function(e) {
        me._goSearch();
    }
    
    
    // Результаты
    this._results = document.createElement('div');
    this._results.id = 'results';
    this._results.style.fontSize = '12px';
    this._results.style.fontFamily = 'Verdana';
    //this._results.style.lineHeight = '140%';
    this._results.style.overflow = 'auto';
    //this._results.style.color = 'black';
    //this._results.style.margin = '20px 0px 0px 21px';
    this._results.style.padding = '0px';
    this._results.style.width = this._width + 'px';
    this._results.style.height = (this._height - 60) + 'px';

    
    this._box_fields.appendChild(this._hint);
    this._box_fields.appendChild(this._address);
    this._box_fields.appendChild(this._submit_button);
}

/**
 *  Поиск
 */
VSearchWidget.prototype._goSearch = function() {
    _VISICOM_search_moment_id = Math.random();
    _VISICOM_findSemantic();
}

/**
 *  @public
 *  Отображает форму.
 */
VSearchWidget.prototype.show = function() {
    if (this._visible) return;
    
    this._div.appendChild(this._box_fields);
    this._div.appendChild(this._results);

    mapEngine.resizeViewport();
}

/**
 *  @public
 *  Скрывает форму.
 */
VSearchWidget.prototype.hide = function() {
    if (!this._visible) return;
    
    this._div.removeChild(this._box_fields);
    this._div.removeChild(this._results);

    mapEngine.resizeViewport();
}


var _VISICOM_search_moment_id = null;
var _VISICOM_SearchWidget_layer = null;
var _VISICOM_SearchWidget_marker = null;

/**
 *  Поиск по адресной строке.
 */
function _VISICOM_findSemantic() {
    var _search_moment_id = _VISICOM_search_moment_id;
    
    var address = document.getElementById("address").value;
    var resultDiv = document.getElementById('results');
    
    if (address.length < 3) {
        // Сообщение "Введите более 2-х символов..."
        resultDiv.innerHTML = '<div>' + MSG_MORE_2 + '</div>';
        return;
    }
    
    // Разбор адресной строки
    var words = address.split(" ");
    var settlement = undefined;
    var street = undefined;
    var building = undefined;
    
    var regexNumber = /^\d+\/?\d*[А|а|Б|б|В|в|Г|г|Д|д|Е|е]?$/i;
    if (words[2] == undefined) {
        if (regexNumber.exec(words[1]) == null) {
            settlement = words[0];
            street = words[1];
        } else {
            street = words[0];
            building = words[1];
        }
    } else {
        settlement = words[0];
        street = words[1];
        if (regexNumber.exec(words[2]) != null)
            building = words[2];
    }
    
    // Сообщение "Подождите..."
    resultDiv.innerHTML = '<div>' + MSG_PLEASE_WAIT + '</div>';
    
    var remoteRequest = new VRemoteRequest();
    remoteRequest.request(VISICOM_API_URL + 'RemoteSemantic?' + ((settlement != undefined) ? 'settlement=' + encodeURI(settlement) : '') + ((street != undefined) ? '&street=' + encodeURI(street) : '') + ((building != undefined) ? '&building=' + encodeURI(building) : ''),
        function(data) {
            if (_search_moment_id != _VISICOM_search_moment_id) return;
            
            if (data != null)
                resultDiv.innerHTML = data;
            else
                resultDiv.innerHTML = MSG_NOT_FOUND;
        }
    );
}

/**
 *  Отображение объекта по его ID.
 */
function _VISICOM_showObject(object_id) {
    // Получение прямоугольника видимости
    var remoteRequest = new VRemoteRequest();
    remoteRequest.request(VISICOM_API_URL + 'RemoteMBR?function=getMBR&objectID=' + object_id,
        function(data) {
            var myObject = eval('(' + data + ')');
            if (myObject == null) return;

            var bounds = new VBounds(new VPoint(myObject.min_x, myObject.min_y), new VPoint(myObject.max_x, myObject.max_y));

            var array = myObject.points;
            if (array == null) return;
            if (array[0] == null) return;

            var point = new VPoint(array[0].x_center, array[0].y_center);

            if (_VISICOM_SearchWidget_marker == null) {
                _VISICOM_SearchWidget_marker = new VMarker(point);
                _VISICOM_SearchWidget_layer.addMarker(_VISICOM_SearchWidget_marker);
            } else
                _VISICOM_SearchWidget_marker.setPoint(point);
            
            var currentBounds = mapEngine.getClientRect();
            var zoomIndex = mapEngine.getMinimalZoomForBounds(bounds);
            if (currentBounds.containsPoint(point) && mapEngine.getZoomIndex() == zoomIndex) {
                mapEngine.panTo(point);
            } else {
                mapEngine.setCenter(point, zoomIndex);
            }

            mapEngine.repaintMap();
        }
    );
    
}

/**
 *  Загрузка перечня домов.
 */
function _VISICOM_loadBuildings(settlement_id, street_id) {
    var remoteRequest = new VRemoteRequest();
    remoteRequest.request(VISICOM_API_URL + 'RemoteBuilding?stl_id=' + settlement_id + '&str_id=' + street_id,
        function(data) {
            var resultDiv = document.getElementById('s' + settlement_id + street_id);
            eval(data);
            resultDiv.innerHTML = '<div style="padding-left: 15px; font-size: 85%;">' + buildings + '</div>';
        }
    );
}