(function (window, $, deparam) {
	var $pt = window.$pt;
	if ($pt == null) {
		$pt = {};
		window.$pt = $pt;
	}

	$pt.AjaxConstants = {
		ContentType: {
			POST: "application/json; charset=UTF-8",
			GET: "application/json; charset=UTF-8",
			DELETE: "application/json; charset=UTF-8",
			PUT: "application/json; charset=UTF-8"
		},
		Stringify: {
			POST: true,
			GET: false,
			DELETE: false,
			PUT: true
		}
	};

	/**
	 * submit to server
	 * @param options {*} same as jquery ajax options, three more properties
	 *          url: string
	 *          done: same as jquery ajax done callback function
	 *          fail: function or json object
	 *              function: same as jquery ajax fail callback function
	 *              json: key is return status, value is function which is same as jquery ajax fail callback function
	 * @returns {jqXHR}
	 */
	var submit = function (options) {
		var url = options.url;
		var done = options.done;
		var fail = options.fail;
		var quiet = options.quiet;

		delete options.url;
		delete options.done;
		delete options.fail;

		// build on request dialog
		// show
		if (quiet === true) {
		} else {
			$pt.Components.NOnRequestModal.getOnRequestModal().show();
		}
		var hideOnRequest = function() {
			if (quiet === true) {
			} else {
				$pt.Components.NOnRequestModal.getOnRequestModal().hide();
			}
		};

		return $.ajax(url, options)
			.done(function (data, textStatus, jqXHR) {
				if (done !== undefined && done !== null) {
					try {
						done(data, textStatus, jqXHR);
					} catch (err) {
						console.error(err);
						console.error(data);
						console.error(textStatus);
						console.error(jqXHR);
						var message = 'Unknown error occurred, see console for more information.';
						message = err ? (err.stack ? err.stack : (err.toString ? err.toString() : message)) : message;
						$pt.Components.NExceptionModal.getExceptionModal().show('Javascript Error', message);
					}
				}
			}).fail(function (jqXHR, textStatus, errorThrown) {
				if (fail !== undefined && fail !== null) {
					var callback = null;
					if (typeof fail === 'function') {
						callback = fail;
					} else {
						callback = fail["" + jqXHR.status];
					}
					if (callback != null) {
						try {
							callback(jqXHR, textStatus, errorThrown);
						} catch (err) {
							console.error(err);
							console.error(data);
							console.error(textStatus);
							console.error(jqXHR);
							var message = 'Unknown error occurred, see console for more information.';
							message = err ? (err.stack ? err.stack : (err.toString ? err.toString() : message)) : message;
							$pt.Components.NExceptionModal.getExceptionModal().show('Javascript Error', message);
						}
					} else {
						$pt.Components.NExceptionModal.getExceptionModal().show("" + jqXHR.status, jqXHR.responseText);
					}
				} else {
					$pt.Components.NExceptionModal.getExceptionModal().show("" + jqXHR.status, jqXHR.responseText);
				}
			}).always(function () {
				// hide
				hideOnRequest();
			});
	};

	var needStringify = function(predefine, specific) {
		if (specific === true) {
			return true;
		} else if (specific === false) {
			return false;
		} else if (predefine === true) {
			return true
		} else {
			return false;
		}
	};
	/**
	 * http post
	 * @param url {string}
	 * @param data {*}
	 * @param settings {*} optional jquery ajax settings
	 * @returns {jqXHR}
	 */
	$pt.internalDoPost = $pt.doPost = function (url, data, settings) {
		settings = settings ? settings : {};
		if (needStringify($pt.AjaxConstants.Stringify.POST, settings.stringify)) {
			data = (typeof data === 'string') ? data : JSON.stringify(data);
		}
		return submit($.extend({
			method: "POST",
			dataType: "json",
			contentType: $pt.AjaxConstants.ContentType.POST
		}, settings, {
			url: url,
			// always send string to server side
			data: data
		}));
	};
	/**
	 * http put
	 * @param url {string}
	 * @param data {*}
	 * @param settings {*} optional jquery ajax settings
	 * @returns {jqXHR}
	 */
	$pt.doPut = function (url, data, settings) {
		settings = settings ? settings : {};
		if (needStringify($pt.AjaxConstants.Stringify.PUT, settings.stringify)) {
			data = (typeof data === 'string') ? data : JSON.stringify(data);
		}
		return submit($.extend({
			method: "PUT",
			dataType: "json",
			contentType: $pt.AjaxConstants.ContentType.PUT
		}, settings, {
			url: url,
			data: data
		}));
	};
	/**
	 * http get
	 * @param url {string}
	 * @param data {*}
	 * @param settings {*} optional jquery ajax settings
	 * @returns {jqXHR}
	 */
	$pt.doGet = function (url, data, settings) {
		settings = settings ? settings : {};
		if (needStringify($pt.AjaxConstants.Stringify.GET, settings.stringify)) {
			data = (typeof data === 'string') ? data : JSON.stringify(data);
		}
		return submit($.extend({
			method: "GET",
			dataType: "json",
			contentType: $pt.AjaxConstants.ContentType.GET
		}, settings, {
			url: url,
			data: data
		}));
	};
	/**
	 * http delete
	 * @param url {string}
	 * @param data {*}
	 * @param settings {*} optional jquery ajax settings
	 * @returns {jqXHR}
	 */
	$pt.doDelete = function (url, data, settings) {
		settings = settings ? settings : {};
		if (needStringify($pt.AjaxConstants.Stringify.DELETE, settings.stringify)) {
			data = (typeof data === 'string') ? data : JSON.stringify(data);
		}
		return submit($.extend({
			method: "DELETE",
			dataType: "json",
			contentType: $pt.AjaxConstants.ContentType.DELETE
		}, settings, {
			url: url,
			data: data
		}));
	};
	/**
	 * relocate page, use window.location
	 * @param url {string}
	 * @param data {*}
	 */
	$pt.relocatePage = function (url, data) {
		var finalURL = url;
		if (data) {
			if (finalURL.indexOf('?') != -1) {
				finalURL += '&' + $.param(data);
			} else {
				finalURL += '?' + $.param(data);
			}
		}
		window.location = finalURL;
	};
	/**
	 * get data from url parameters
	 * @returns {*}
	 */
	$pt.getUrlData = function (params) {
		var paramsString = '';
		if (params !== undefined) {
			if (params == null || params.isBlank()) {
				return {};
			} else {
				paramsString = params;
			}
		} else {
			paramsString = window.location.search;
			if (paramsString != null && !paramsString.isBlank() && paramsString.trim() != '?') {
				paramsString = paramsString.substring(1);
			} else {
				return {};
			}
		}
		return $.deparam(paramsString);
	};
	/**
	 * mock ajax
	 * include jquery-mockjax when call this method, or do nothing
	 * parameters are same as mockjax
	 */
	$pt.mock = function () {
		if (!$.mockjax) {
			return;
		}

		$.mockjax.apply($, arguments);
	};

	// routes
	var routes = {
		context: '',
		urls: {}
	};
	$pt.routes = routes;
	/**
	 * define web context
	 * @param webContext {string}
	 */
	$pt.defineWebContext = function (webContext) {
		routes.context = webContext;
		return $pt;
	};
	/**
	 * define url with given key
	 * @param key {string} key of url
	 * @param urlRelateToWebContext {string} related url with no web context
	 */
	$pt.defineURL = function (key, urlRelateToWebContext) {
		if (routes.urls[key] != null) {
			window.console.warn('URL[' + key + '=' + routes.urls[key] + '] was replaced by [' + routes.context + urlRelateToWebContext + ']');
		}
		routes.urls[key] = urlRelateToWebContext;
		return $pt;
	};
	/**
	 * get url by given key
	 * @param key {string} key of url
	 * @returns {string} return null when not found, or url with web context
	 */
	$pt.getURL = function (key) {
		var url = routes.urls[key];
		return url == null ? null : (routes.context + url);
	};
})(window, jQuery, jQuery.deparam);