var
	window = require('window'),
	_ = require('_'),
	$ = require('$'),

	Consts = require('Common/Consts'),
	Enums = require('Common/Enums'),
	Globals = require('Common/Globals'),
	Utils = require('Common/Utils'),
	Plugins = require('Common/Plugins'),
	Links = require('Common/Links'),

	Settings = require('Storage/Settings');

/**
* @constructor
*/
function AbstractAjaxRemote()
{
	this.oRequests = {};
}

AbstractAjaxRemote.prototype.oRequests = {};

/**
 * @param {?Function} fCallback
 * @param {string} sRequestAction
 * @param {string} sType
 * @param {?AjaxJsonDefaultResponse} oData
 * @param {boolean} bCached
 * @param {*=} oRequestParameters
 */
AbstractAjaxRemote.prototype.defaultResponse = function(fCallback, sRequestAction, sType, oData, bCached, oRequestParameters)
{
	var
		fCall = function() {
			if (Enums.StorageResultType.Success !== sType && Globals.data.bUnload)
			{
				sType = Enums.StorageResultType.Unload;
			}

			if (Enums.StorageResultType.Success === sType && oData && !oData.Result)
			{
				if (oData && -1 < Utils.inArray(oData.ErrorCode, [
					Enums.Notification.AuthError, Enums.Notification.AccessError,
					Enums.Notification.ConnectionError, Enums.Notification.DomainNotAllowed, Enums.Notification.AccountNotAllowed,
					Enums.Notification.MailServerError,	Enums.Notification.UnknownNotification, Enums.Notification.UnknownError
				]))
				{
					Globals.data.iAjaxErrorCount += 1;
				}

				if (oData && Enums.Notification.InvalidToken === oData.ErrorCode)
				{
					Globals.data.iTokenErrorCount += 1;
				}

				if (Consts.TOKEN_ERROR_LIMIT < Globals.data.iTokenErrorCount)
				{
					if (Globals.data.__APP__ && Globals.data.__APP__.loginAndLogoutReload)
					{
						Globals.data.__APP__.loginAndLogoutReload(false, true);
					}
				}

				if (oData.ClearAuth || oData.Logout || Consts.AJAX_ERROR_LIMIT < Globals.data.iAjaxErrorCount)
				{
					if (Globals.data.__APP__ && Globals.data.__APP__.clearClientSideToken)
					{
						Globals.data.__APP__.clearClientSideToken();

						if (!oData.ClearAuth && Globals.data.__APP__.loginAndLogoutReload)
						{
							Globals.data.__APP__.loginAndLogoutReload(false, true);
						}
					}
				}
			}
			else if (Enums.StorageResultType.Success === sType && oData && oData.Result)
			{
				Globals.data.iAjaxErrorCount = 0;
				Globals.data.iTokenErrorCount = 0;
			}

			if (fCallback)
			{
				Plugins.runHook('ajax-default-response', [sRequestAction, Enums.StorageResultType.Success === sType ? oData : null, sType, bCached, oRequestParameters]);

				fCallback(
					sType,
					Enums.StorageResultType.Success === sType ? oData : null,
					bCached,
					sRequestAction,
					oRequestParameters
				);
			}
		};

	switch (sType)
	{
		case 'success':
			sType = Enums.StorageResultType.Success;
			break;
		case 'abort':
			sType = Enums.StorageResultType.Abort;
			break;
		default:
			sType = Enums.StorageResultType.Error;
			break;
	}

	if (Enums.StorageResultType.Error === sType)
	{
		_.delay(fCall, 300);
	}
	else
	{
		fCall();
	}
};

/**
 * @param {?Function} fResultCallback
 * @param {Object} oParameters
 * @param {?number=} iTimeOut = 20000
 * @param {string=} sGetAdd = ''
 * @param {Array=} aAbortActions = []
 * @returns {jQuery.jqXHR}
 */
AbstractAjaxRemote.prototype.ajaxRequest = function(fResultCallback, oParameters, iTimeOut, sGetAdd, aAbortActions)
{
	var
		self = this,
		bPost = '' === sGetAdd,
		oHeaders = {},
		iStart = (new window.Date()).getTime(),
		oDefAjax = null,
		sAction = '';

	oParameters = oParameters || {};
	iTimeOut = Utils.isNormal(iTimeOut) ? iTimeOut : 20000;
	sGetAdd = Utils.isUnd(sGetAdd) ? '' : Utils.pString(sGetAdd);
	aAbortActions = Utils.isArray(aAbortActions) ? aAbortActions : [];

	sAction = oParameters.Action || '';

	if (sAction && 0 < aAbortActions.length)
	{
		_.each(aAbortActions, function(sActionToAbort) {
			if (self.oRequests[sActionToAbort])
			{
				self.oRequests[sActionToAbort].__aborted = true;
				if (self.oRequests[sActionToAbort].abort)
				{
					self.oRequests[sActionToAbort].abort();
				}
				self.oRequests[sActionToAbort] = null;
			}
		});
	}

	if (bPost)
	{
		oParameters.XToken = Settings.appSettingsGet('token');
	}

	oDefAjax = $.ajax({
		type: bPost ? 'POST' : 'GET',
		url: Links.ajax(sGetAdd),
		async: true,
		dataType: 'json',
		data: bPost ? oParameters : {},
		headers: oHeaders,
		timeout: iTimeOut,
		global: true
	});

	oDefAjax.always(function(oData, sType) {

		var bCached = false;
		if (oData && oData.Time)
		{
			bCached = Utils.pInt(oData.Time) > (new window.Date()).getTime() - iStart;
		}

		if (sAction && self.oRequests[sAction])
		{
			if (self.oRequests[sAction].__aborted)
			{
				sType = 'abort';
			}

			self.oRequests[sAction] = null;
		}

		self.defaultResponse(fResultCallback, sAction, sType, oData, bCached, oParameters);
	});

	if (sAction && 0 < aAbortActions.length && -1 < Utils.inArray(sAction, aAbortActions))
	{
		if (this.oRequests[sAction])
		{
			this.oRequests[sAction].__aborted = true;
			if (this.oRequests[sAction].abort)
			{
				this.oRequests[sAction].abort();
			}
			this.oRequests[sAction] = null;
		}

		this.oRequests[sAction] = oDefAjax;
	}

	return oDefAjax;
};

/**
 * @param {?Function} fCallback
 * @param {string} sAction
 * @param {Object=} oParameters
 * @param {?number=} iTimeout
 * @param {string=} sGetAdd = ''
 * @param {Array=} aAbortActions = []
 */
AbstractAjaxRemote.prototype.defaultRequest = function(fCallback, sAction, oParameters, iTimeout, sGetAdd, aAbortActions)
{
	oParameters = oParameters || {};
	oParameters.Action = sAction;

	sGetAdd = Utils.pString(sGetAdd);

	Plugins.runHook('ajax-default-request', [sAction, oParameters, sGetAdd]);

	return this.ajaxRequest(fCallback, oParameters,
		Utils.isUnd(iTimeout) ? Consts.DEFAULT_AJAX_TIMEOUT : Utils.pInt(iTimeout), sGetAdd, aAbortActions);
};

/**
 * @param {?Function} fCallback
 */
AbstractAjaxRemote.prototype.noop = function(fCallback)
{
	this.defaultRequest(fCallback, 'Noop');
};

/**
 * @param {?Function} fCallback
 * @param {string} sMessage
 * @param {string} sFileName
 * @param {number} iLineNo
 * @param {string} sLocation
 * @param {string} sHtmlCapa
 * @param {number} iTime
 */
AbstractAjaxRemote.prototype.jsError = function(fCallback, sMessage, sFileName, iLineNo, sLocation, sHtmlCapa, iTime)
{
	this.defaultRequest(fCallback, 'JsError', {
		'Message': sMessage,
		'FileName': sFileName,
		'LineNo': iLineNo,
		'Location': sLocation,
		'HtmlCapa': sHtmlCapa,
		'TimeOnPage': iTime
	});
};

/**
 * @param {?Function} fCallback
 * @param {string} sType
 * @param {Array=} mData = null
 * @param {boolean=} bIsError = false
 */
AbstractAjaxRemote.prototype.jsInfo = function(fCallback, sType, mData, bIsError)
{
	this.defaultRequest(fCallback, 'JsInfo', {
		'Type': sType,
		'Data': mData,
		'IsError': (Utils.isUnd(bIsError) ? false : !!bIsError) ? '1' : '0'
	});
};

/**
 * @param {?Function} fCallback
 */
AbstractAjaxRemote.prototype.getPublicKey = function(fCallback)
{
	this.defaultRequest(fCallback, 'GetPublicKey');
};

/**
 * @param {?Function} fCallback
 * @param {string} sVersion
 */
AbstractAjaxRemote.prototype.jsVersion = function(fCallback, sVersion)
{
	this.defaultRequest(fCallback, 'Version', {
		'Version': sVersion
	});
};

module.exports = AbstractAjaxRemote;