/*
 *+------------------------------------------------------------------------+
 *| Licensed Materials - Property of IBM
 *| BI and PM: prmt
 *| (C) Copyright IBM Corp. 2002, 2016
 *|
 *| US Government Users Restricted Rights - Use, duplication or
 *| disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
 *|
 *+------------------------------------------------------------------------+
*/


/**
	This script is used to provide interactivity for the SelectFile prompt control
	@private
	@class
*/
cognos.Prompt.Control.SelectFile = cognos.Prompt.Control.f_extend({

	f_initialize: function( v_oProps ) {
		this._type_ = "cognos.Prompt.Control.SelectFile";
		this.f_parent( v_oProps ); // call parent's initialize()
		this.f_initCompleted();
		// initialize adornment image
		this.m_adornmentImg = 'spacer.gif';

	},

	//validate the input into the control
	checkData: function()
	{
		// We keep a reference to the parent function
		// Calling this.m_oFrom functions seems to have a side effect on this.f_parent().
		var v_fnParent = this.f_parent;

		this.m_bValid = false;
		// it's valid when the response from upload returns valid, the response should be as follows
		// <pdSpec> <dataSet type="XML"> <name>$FILE_NAME</name>....
		var v_aMatchResult = null;

		if ( this.getValue() && this.m_sProcessResponse && this.m_sProcessResponse.length > 0 ) {
		     v_aMatchResult = this.decodeHTML(this.m_sProcessResponse).match(/^.*<pdSpec>[^<]*<dataSet[^>]+>[^<]*<name>([^>]+)</);
			 if (v_aMatchResult !== null && v_aMatchResult.length > 0) {
				// this.getValue() should match v_aMatchResult[1]
				this.m_bValid = true;
			 } else {
				//console.log("no match in checkData");
			 }
			 
		}

		this.f_parent = v_fnParent; // call parent's checkData using saved reference.
		this.f_parent(); // call parent's checkData using saved reference.
		return this.m_bValid;
	},

	clearValues: function() {
		this.f_parent();
		this.f_clear();
	},

	f_drawCompleted: function()
	{
		var v_oIframeContainer = $(this.f_getId("PRMT_SF_CONTAINER_"));
		var v_oIFrame = new PRMTFormIframe(v_oIframeContainer, this.f_getId("iframe_"), this.getWebContentRoot() + '/prompting/selectfileBlank.html');

		if (v_oIFrame !== null) {
			var v_oDoc = v_oIFrame.doc;
			if (v_oDoc) {
				PRMTUtils.f_addEvent(v_oIFrame, "load", this.f_fillIframe.bind(this) );
			}
		}
	}
});

/**
 *  Fill the content of the iframe
 *
 * 	@private
 *	@return {void}
 */
cognos.Prompt.Control.SelectFile.prototype.f_fillIframe = function()
{
	var iframeId = this.f_getId("iframe_");
	var iframeDoc = (window.ie ? window[iframeId].document : document.getElementById(iframeId).contentDocument);
	if (iframeDoc) {
		var guiDir = PRMT_BidiUtils.lookupDirection($( this.f_getId(this.m_sDivPrefix) ));
		if (guiDir) {
			iframeDoc.body.dir = guiDir;
		}
		var outerDiv = iframeDoc.getElementById('outerdivSF');

		// get doc lang
		var mainDocLang = document.documentElement.getAttribute("lang");
		iframeDoc.documentElement.setAttribute("lang",mainDocLang);
		
		// set the Global Report Style CSS for the iframe body background
		var cssRef = iframeDoc.createElement("link");
		cssRef.setAttribute("rel", "stylesheet");
		cssRef.setAttribute("type", "text/css");
		var docHead = iframeDoc.getElementsByTagName("head")[0];
		cssRef.setAttribute("href", this.f_findGlobalReportStyle());
		docHead.appendChild(cssRef);

		// add the prompt css
		cssRef = cssRef.cloneNode(true);
		cssRef.setAttribute("href", this.m_sSkin + '/prompting/promptCommon.css');
		docHead.appendChild(cssRef);

		// add bux css if exists
		if (this.f_isBUX()) {
			var buxCss = this.f_findBuxStyle();
			if (buxCss) {
				cssRef = cssRef.cloneNode(true);
				cssRef.setAttribute("href", buxCss);
				docHead.appendChild(cssRef);
				
				iframeDoc.body.className = "icdUI";
			}
		}
		if (outerDiv) {
			outerDiv.innerHTML = this.f_uploadPageContent();
			this.m_elPrompt = iframeDoc.getElementById(this.f_getId(K_PRMT_SF_INPUT_PREFIX));
			if (this.m_elPrompt)
			{
				PRMTUtils.f_addEvent(this.m_elPrompt, "change", this.f_selectFileChange.bind(this) );
			}
		}
	}
};


/**
 * Find the GlobalReportStyle used in the page
 *
 *	@private
 *	@return {String}
*/
cognos.Prompt.Control.SelectFile.prototype.f_findGlobalReportStyle = function()
{
	var result = this.getWebContentRoot() + '/schemas/GlobalReportStyles_10.css';
	var links = document.getElementsByTagName("link");
	var link = null;
	var globalStyleRE = new RegExp(/GlobalReportStyles/);
	for (i=0; i < links.length; i++)
	{
		link = links[i];
		if (link.type == "text/css" && link.href.match(globalStyleRE)) {
			result = link.href;
		}
	}
	return result;
};

/**
 * Find the GlobalReportStyle used in the page
 *
 *	@private
 *	@return {String}
*/
cognos.Prompt.Control.SelectFile.prototype.f_findBuxStyle = function()
{
	// http://localhost/ibmCognos/webcontent/rv/bux.css
	var result = null;
	var links = document.getElementsByTagName("link");
	var link = null;
	var buxStyleRE = new RegExp(/rv\/bux\.css/);
	for (i=0; i < links.length; i++)
	{
		link = links[i];
		if (link.type == "text/css" && link.href.match(buxStyleRE)) {
			result = link.href;
		}
	}
	return result;
};

cognos.Prompt.Control.SelectFile.prototype.f_getPV = function()
{
	return this.getValue();
};

/**
 * Draws the container for the iframe, the iframe is rendered in the drawComplete method
 *
 *	@private
 *	@param {C_PromptElement} v_el Container.
 *	@return {void}
*/
cognos.Prompt.Control.SelectFile.prototype.f_drawInput = function( v_el )
{
	var v_oContainer = $CE("div", {"id": this.f_getId("PRMT_SF_CONTAINER_"), "class":"clsPromptComponent"}, v_el);
	v_oContainer.f_appendText(K_PRMT_sEMPTY);

	return v_oContainer;
};

/**
 * Override superclass(Control) because for SelectFile the adornment should be render
 * in the iframe. It just prepare the image that will used as adorment.
 *
 * @private
 * @param {HTMLelement} v_el Container for this control.
 * @param {boolean} [v_bSkipRequired] Skips rendering of the required flag. Used when controls are set as children of another control (like in ranges). The parent control will handle the 'Required' UI.
 * @return {C_PromptElement}
*/
cognos.Prompt.Control.SelectFile.prototype.f_drawAdornments = function(v_el, v_bSkipRequired) {
	// draw an empty cell, the real rendering happens inside the iframe
	var v_td0 = $CE( "td", {"vAlign": "top", "width": "1px"}, v_el );
	var v_img = $CE( "img", {
		"src": this.m_sSkin + "/prompting/images/spacer.gif",
		"height": 1,
		"width": 1,
		"border": 0,
		"alt": ""
	}, v_td0);

	if ( this.isRequired() && !v_bSkipRequired )
	{
		this.m_adornmentImg = 'icon_required.gif';
	}

	return v_td0;
}

/**
 * HTML form with a File input element to be rendered in the visible iframe
 *
*/
cognos.Prompt.Control.SelectFile.prototype.f_uploadPageContent = function() {
	var inputFileId = this.f_getId(K_PRMT_SF_INPUT_PREFIX);
	var webContentURL = getWebContentURI();
	var iconSrc = (this.isRequired() && (!(this["@hideAdornments"] || this.m_bSkipAdornments)) ? 'icon_required.gif' : 'spacer.gif');
	var requiredImgHTML = '<img  class="clsErrorRequired" height="10" border="0" width="10" valign="top" alt="" src="' + webContentURL + '/prompting/reportskin/prompting/images/' + iconSrc + '" />';
	var direction = PRMT_BidiUtils.lookupDirection($( this.f_getId(this.m_sDivPrefix) ));
	var result = '  <div> ' +
'      <form action="" enctype="multipart/form-data" method="post"> ' +
'		<p class="clsDialogIntroduction">' + PMT_SF_INTROTEXT + '</p>' +
'		<p class="clsDialogIntroduction">' + PMT_SF_TIP + '<span class="clsControlLabel" >'+ (G_IsBidiEnabled ? PRMT_BidiUtils.formatFilePath(this["@defaultPath"]) : this["@defaultPath"]) + '</span></p>' +
'		<table cellspacing="0" cellpadding="0" border="0"><tbody><tr>' +
'		<td class="clsControlLabel" valign="top">' + requiredImgHTML +
'		<label for="'+ inputFileId + '">' + PMT_SF_LABEL + '</label> ' +
'		</td></tr></tbody></table>' +
'       <input id="'+ inputFileId +'" type="file" style="' + (G_IsBidiEnabled ? 'position:absolute' : 'width:580px') + '" name="pdsContent" size="80" accept="*.csv;*.xml;*.xls"';
	if (this["@defaultPath"] && this["@defaultPath"].length >0 ) {
		result += ' defaultValue="' + this["@defaultPath"] + '" ';
	}
	if (G_IsBidiEnabled)
	{
		result += 'onchange="PRMT_BidiUtils.onFileChange(this, \'fake' + inputFileId + '\', \'FILEPATH\')" onkeydown="return PRMT_BidiUtils.focusElement(\'fake' + inputFileId + '\');"';
   		result += 'onfocus="PRMT_BidiUtils.onFileFocus(this, \'fake' + inputFileId + '\', \'FILEPATH\')" onmousedown="return PRMT_BidiUtils.focusElement(\'fake' + inputFileId + '\');"'; 
   	}
   	result +='> ';
   	if (G_IsBidiEnabled)
	{
       		result += '<input id="fake'+ inputFileId +'" type="text" dir="ltr" style="position:relative;z-index:2;background-color:#C0C0C0" name="fakePdsContent" size="80"';
   		result += 'onkeydown="return PRMT_BidiUtils.onFakeKeyDown(event, \'' + inputFileId + '\');" oncopy="PRMT_BidiUtils.processCopy(this);" ';
   		result += 'onpaste="return false;" oncut="return false;"';
   		result +='> ';
   	}
	result += '<input type="hidden" name="inSpec" id="inSpec"/> ' +
'      </form> ' +
'  </div> ';
	return result;
};

/**
 * Build the visible iframe to contain the form with the File input element
 */
function PRMTFormIframe(parentElement, iframeId, src) {
	var iframe = document.createElement('iframe');
	iframe.setAttribute("id", iframeId);
	iframe.src = src;
	iframe.width = "720px";
	iframe.height = "150";
	iframe.scrolling = "no";
	iframe.setAttribute("title","blank");
	iframe.setAttribute("frameBorder","0");
	iframe.setAttribute("noresize","noresize");
	parentElement.appendChild(iframe);
    // Depending on browser platform get the iframe's document, this is only
    // available if the iframe has already been appended to an element which
    // has been added to the document
    if(iframe.contentDocument) {
       // Firefox, Opera
       iframe.doc = iframe.contentDocument;
    } else if(iframe.contentWindow) {
       // Internet Explorer
       iframe.doc = iframe.contentWindow.document;
    } else if(iframe.document) {
       // Others?
       iframe.doc = iframe.document;
	}

    // Return the iframe, now with an extra property iframe.doc containing the
    // iframe's document
    return iframe;
}

/**
 * Event handler for change the file in the file input control.
 * It prepares the form and submit it to the metadata service
 *
 */
cognos.Prompt.Control.SelectFile.prototype.f_selectFileChange = function()
{
	var inputElem = this.m_elPrompt;
	var v_sFileName = inputElem.value;
	var v_aNameSegments = v_sFileName.split(".");
	var v_fileExtension = v_aNameSegments[v_aNameSegments.length - 1].toLowerCase();
	var v_sPersonalDataFormat="";
	if ( v_fileExtension == "xml" ) {
		v_sPersonalDataFormat="XML";
	} else if ( v_fileExtension == "csv" ) {
		v_sPersonalDataFormat="CSV";
	} else if ( v_fileExtension == "xls" ) {
		v_sPersonalDataFormat="Excel2003";
	} else if ( v_fileExtension == "xlsx" ) {
		v_sPersonalDataFormat="Excel2003";
	}


    var v_oForm = inputElem.form;

	var v_sInSpec  = '<input>';
	v_sInSpec += "<baseModelSearchPath>" + sXmlEncode(this["@baseModelSearchPath"]) + "</baseModelSearchPath>" ;
	v_sInSpec += '<dataSet type="' + v_sPersonalDataFormat + '">' ;
	v_sInSpec += "<name>" +  sXmlEncode(this["@parameter"]) + "</name>" ;
	v_sInSpec += "<sourcePath>" +  sXmlEncode(v_sFileName) + "</sourcePath>" ;
	v_oForm.inSpec.value = v_sInSpec + "</dataSet></input>";

	this.m_sFolderName ="";
	v_oForm.action = this.getGateway() + '/metadataUIService?pid=pdm_process&c=processPersonalData';
	var v_sIFrameId = this.f_CreateUploadIFrame();
	this.m_sUploadFrameId = v_sIFrameId;
	v_oForm.setAttribute('target', v_sIFrameId);
	v_oForm.submit();
};

cognos.Prompt.Control.SelectFile.prototype.f_CreateUploadIFrame = function ()
{
	var v_sIFrameId = 'IFrame' + Math.floor(Math.random() * 11111);
	var v_oEle = document.createElement('DIV');
	v_oEle.innerHTML = '<iframe style="display:none" src="about:blank" content="text/xml" id="'+v_sIFrameId+'" name="'+ v_sIFrameId + '"></iframe>';
	document.body.appendChild(v_oEle);
	var iFrame = document.getElementById(v_sIFrameId);
	PRMTUtils.f_addEvent(iFrame, "load", this.f_UploadCallback.bind(this) );

	return v_sIFrameId;
};

cognos.Prompt.Control.SelectFile.prototype.f_UploadCallback  = function (v_sIFrameId)
{
	// complete the upload
	v_sIFrameId = this.m_sUploadFrameId;
	var v_oIFrameEle = document.getElementById(v_sIFrameId);

	var v_oDoc = window.frames[v_sIFrameId].document;
	if (v_oIFrameEle.contentDocument)
	{
		v_oDoc = v_oIFrameEle.contentDocument;
	}
	else if (v_oIFrameEle.contentWindow)
	{
		v_oDoc = v_oIFrameEle.contentWindow.document;
	}

	if (v_oDoc.location.href == "about:blank")
	{
		return;
	}

	this.f_CompleteUpload(v_oDoc);
};

/*Helper function to convert HTML entities into actual tags*/
cognos.Prompt.Control.SelectFile.prototype.decodeHTML = function(htmlText) {
	var doDecode = function(htmlText) {
		var txt = document.createElement("textarea");
		txt.innerHTML = htmlText;
		return txt.value;
	};

	try {
		return doDecode(htmlText);
	} catch (e) {
		try {
			return doDecode(htmlText.replace(/</g, "&lt;").replace(/>/g, "&gt;"));
		} catch (e) {
			return htmlText;
		}
	}
};

cognos.Prompt.Control.SelectFile.prototype.f_CompleteUpload = function (v_oUploadResponseXML) {
	var xmlDoc = null;
	var v_sXMLString = null;
	if (v_oUploadResponseXML.implementation && v_oUploadResponseXML.implementation.createDocument)
	{
	    //For Firefox & Safari
		try
		{
			var v_oSerializer = new XMLSerializer();
			if (window.XML) { 
				xmlDoc = XML(v_oSerializer.serializeToString(v_oUploadResponseXML));
				v_sXMLString = xmlDoc.toXMLString();
			} else // Safari
			{
				v_sXMLString = v_oSerializer.serializeToString(v_oUploadResponseXML);
			}
		}
		catch (e)
		{
			var sError = v_oUploadResponseXML.body.textContent;
			var n1 = sError.indexOf("Mandatory parameter \"");
			var n2 = sError.indexOf("\" has not been specified");
			if (n1>=0 && n2>=0 && n2>n1)
			{
				alert(sError.substring(n1+21,n2));
			} else	{
				alert("Error 1! "+sError);
			}
			return;
		}
	}
	else if ("ActiveXObject" in window)
	{
	    //for IE
		if (null != v_oUploadResponseXML.XMLDocument)
		{
			xmlDoc = v_oUploadResponseXML.XMLDocument;
			// var v_sXMLString = v_oUploadResponseXML.XMLDocument.xml;
			v_sXMLString = xmlDoc.xml;
		} else	{
			var sContent = v_oUploadResponseXML.body.innerText;
			if (sContent.match(/^.*\r?\n?.*<pdSpec>\r?\n?.*<dataSet/)) {
				v_sXMLString = sContent;
			} else {
				var n1 = sContent.indexOf("Mandatory parameter \"");
				var n2 = sContent.indexOf("\" has not been specified");
				if (n1>=0 && n2>=0 && n2>n1)
				{
					alert(sContent.substring(n1+21,n2));
				} else	{
					alert("Error 2! "+sContent);
				}
				return;
			}
		}

	}
	this.m_sProcessResponse = v_sXMLString.replace(/.*<output>/g,"").replace(/<\/output>/g,""); //  there should be no "output" element anymore but I'm going to leave this here just to be safe...
	this.checkData();
};

cognos.Prompt.Control.SelectFile.prototype.getValue = function()
{
	return this.m_elPrompt.value;
};