// ////////////////////////////////////////////////////////////////////////////

// Symbian Foundation Example Code

//

// This software is in the public domain. No copyright is claimed, and you 

// may use it for any purpose without license from the Symbian Foundation.

// No warranty for any purpose is expressed or implied by the authors or

// the Symbian Foundation. 

// ////////////////////////////////////////////////////////////////////////////

var allowRetry = true;

function ForumPostForm(aParentView, forumid) {

	ListView.prototype.init.call(this, null, null);

	this.previousView = aParentView;

	this.forumid = forumid;

	// add the banner / 'title bar' - avoids the caption bug

	var titleBar = new NavigationButton(null, "titlebar.png", "New thread in " + aParentView.feedName);

	titleBar.setEnabled(false);

	this.addControl(titleBar);

	// add topic name textfield

	this.topicNameTf = new TextField('threadPostTopic', "Topic title", "");

	this.addControl(this.topicNameTf);

	// add content textarea

	this.contentTa = new TextArea('threadPostContent', "Message", "", 6);

	this.addControl(this.contentTa);

	var self = this;

    // post button

    this.postButton = new FormButton(null, "Submit");

    this.postButton.addEventListener("ActionPerformed", function(){

		isHideNotifications = false;

		login( function(){

			submitNewTopic(

				self.topicNameTf.getText(), // title

				self.contentTa.getText(), // message

				self.forumid, // forumid

				function() { self.goBack();uiManager.currentView.update(true);}

				);

			});

		});

    this.addControl(this.postButton);

    // cancel settings button

    this.cancelButton = new FormButton(null, "Cancel");

    this.cancelButton.addEventListener("ActionPerformed", function(){self.goBack();});

    this.addControl(this.cancelButton);

}

ForumPostForm.prototype = new ListView(null, null);

function ForumReplyForm(aParentView, threadid, postid, parentTitle) {

	ListView.prototype.init.call(this, null, null);

	this.previousView = aParentView;

	this.threadid = threadid;

	this.postid = postid;

	this.parentTitle = parentTitle;

	// add the banner / 'title bar' - avoids the caption bug

	var titleBar = new NavigationButton(null, "titlebar.png", "Reply to " + parentTitle);

	titleBar.setEnabled(false);

	this.addControl(titleBar);

	// add topic name textfield

	this.topicNameTf = new TextField('threadPostTopic', "Title", "");

	this.addControl(this.topicNameTf);

	// add content textarea

	this.contentTa = new TextArea('threadPostContent', "Message", "", 6);

	this.addControl(this.contentTa);

	var self = this;

    // post button

    this.postButton = new FormButton(null, "Submit");

    this.postButton.addEventListener("ActionPerformed", function(){

		isHideNotifications = false;

		login(

		function(){

			submitNewReply(self.topicNameTf.getText(), // title

			 self.contentTa.getText(), // message

			 self.threadid, // threadid

			 self.postid, // threadid

			 function(){

				self.goBack();

				uiManager.currentView.update(true);

			});

		});

	});

    this.addControl(this.postButton);

    // cancel settings button

    this.cancelButton = new FormButton(null, "Cancel");

    this.cancelButton.addEventListener("ActionPerformed", function(){self.goBack();});

    this.addControl(this.cancelButton);

}

ForumReplyForm.prototype = new ListView(null, null);

// Submitting a new to vBulletin is somewhat complex. There appears to be

// no XML based interface so we have to go through the usual web posting

// procedure. So, first we must be logged in. Then, we must request forums

// home page to get bbsessionhash cookie. Next, we request the form,

// to collect required security information (securitytoken etc) from the form.

// If all goes well, we can now post a message.

var submitUrlContent = null;

var submitUrlHttpReq = null;

var submitCallback = null;

var submitTitle = null;

var submitContent = null;

var submitForumId = null;

var submitThreadId = null;

var submitPostId = null;

var submitCallback = null;

var reply = false;

// Initiates the submission process by requesting the form

function submitNewTopic(title, content, forumid, callback){

	uiManager.showNotification(-1, "wait", "Submitting...", -1);

	isHideNotifications = false;

	// Dealing with vBulletin nastiness...

	// ensure we have all the cookies we need

	var vbCookieGet = new Ajax();

	var vburl = symbianOrgBaseUrl + "/forum/";

	vbCookieGet.open('GET', vburl, false);

	vbCookieGet.send(null);

	// Now we have to harvest some info from the post form. 	

	submitUrlHttpReq = new Ajax();

	var self = this;

	submitTitle = title;

	submitContent = content;

	submitForumId = forumid;

	submitThreadId = null;

	submitPostId = null;

	submitCallback = callback;

    submitUrlHttpReq.onreadystatechange = submitFormReady;

	reply = false;

	var url = symbianOrgBaseUrl + "/forum/newthread.php?do=newthread&f=" + forumid;

	submitUrlHttpReq.open('GET', url, true);

	submitUrlHttpReq.send(null);

}

// Initiates the submission process by requesting the form

function submitNewReply(title, content, threadid, postid, callback){

	uiManager.showNotification(-1, "wait", "Submitting...", -1);

	isHideNotifications = false;

	// Dealing with vBulletin nastiness...

	// ensure we have all the cookies we need

	var vbCookieGet = new Ajax();

	var vburl = symbianOrgBaseUrl + "/forum/";

	vbCookieGet.open('GET', vburl, false);

	vbCookieGet.send(null);

	// Now we have to harvest some info from the post form. 	

	submitUrlHttpReq = new Ajax();

	var self = this;

	submitTitle = title;

	submitContent = content;

	submitForumId = null;

	submitThreadId = threadid;

	submitPostId = postid;

	submitCallback = callback;

    submitUrlHttpReq.onreadystatechange = submitFormReady;

	reply = true;

	var url = symbianOrgBaseUrl + "/forum/newreply.php?do=newreply&noquote=1&p=" + postid;

	submitUrlHttpReq.open('GET', url, true);

	submitUrlHttpReq.send(null);

}

var forumPostHarvestString_loggedinuser = "name=\"loggedinuser\" value=\"";

var forumPostHarvestString_poststarttime = "name=\"poststarttime\" value=\"";		

var forumPostHarvestString_posthash = "name=\"posthash\" value=\"";		

var forumPostHarvestString_securitytoken = "name=\"securitytoken\" value=\"";		

// Form has been received, extract important info

function submitFormReady(){

	uiManager.showNotification(-1, "wait", "Submitting...", -1);

	isHideNotifications = false;

    if (submitUrlHttpReq.readyState == 4) {

        // attempt to get response status

        var responseStatus = null;

        try {

            responseStatus = submitUrlHttpReq.status;

        } catch (noStatusException) {}

		var content = submitUrlHttpReq.responseText;

		checkForSecurityToken("submitFormReady", content);

		// this is what we need to hardvest

		var forumPostSecurityToken, forumPostHash, forumPostStartTime, forumPostLoggedInUser;

		if ( content.indexOf(forumPostHarvestString_loggedinuser) == -1 ) {

			uiManager.showNotification(5000, "warning", "Submit failed.");	

		} else {

			forumPostLoggedInUser = extractFormField(content, forumPostHarvestString_loggedinuser);

			forumPostStartTime = extractFormField(content, forumPostHarvestString_poststarttime);

			forumPostHash = extractFormField(content, forumPostHarvestString_posthash);

			forumPostSecurityToken = extractFormField(content, forumPostHarvestString_securitytoken);

			if (forumPostSecurityToken == null || forumPostSecurityToken.length < 5) {

				if (!allowRetry) {

					uiManager.showNotification(3000, "warning", "Failed, please try again...");

				}

				else {

				    // workaround for a vBulletin bug, restart the process...

					isHideNotifications = true;

					login( function(){

						if (reply) {

							submitNewReply(submitTitle, // title

							 submitContent, // message

							 submitThreadId, // threadid

							 submitPostId, // threadid

							 submitCallback);

						}

						else {

							submitNewTopic(submitTitle, // title

								 submitContent, // message

								 submitForumId, // forumid

								 submitCallback);

						}

					});

					// avoid loop

					allowRetry = false;

				}

			} else {

				doSubmitPost(submitTitle, submitContent, submitForumId, submitCallback, forumPostSecurityToken, forumPostHash, forumPostStartTime, forumPostLoggedInUser);

			}

		}

    }

}

// Send a POST request with our post information

function doSubmitPost(title, message, forumid, callback, 

			forumPostSecurityToken, forumPostHash, forumPostStartTime, forumPostLoggedInUser){

	uiManager.showNotification(-1, "wait", "Submitting...", -1);

	isHideNotifications = false;

	var url = null;

	var parameters = null;

	if (reply) {

		// posting a reply to an article

		url = symbianOrgNewReplyUrl + "do=postreply&t=" + submitThreadId;

		parameters = "title=" + title + "&message=" + message +

		"&wysiwyg=0&iconid=0&s=&securitytoken=" + forumPostSecurityToken +

		"&do=postreply" +

		"&t=" + submitThreadId + "&p=" + submitPostId + 

		"&specifiedpost=0" +

		"&posthash" + forumPostHash +

		"&poststarttime=" + forumPostStartTime +

		"&loggedinuser=" + forumPostLoggedInUser +

		"&multiquoteempty=&sbutton=Submit+Reply&parseurl=1&emailupdate=9999&rating=0";

	} else {

		// posting a new thread

		url = symbianOrgNewThreadUrl + "do=postthread&f=" + forumid;

		parameters = "do=postthread&f=" + forumid + "&subject=" + title + "&message=" + message +

		"&wysiwyg=0&taglist=&iconid=0&s=&securitytoken=" + forumPostSecurityToken +

		"&posthash" + forumPostHash +

		"&poststarttime=" + forumPostStartTime +

		"&loggedinuser=" + forumPostLoggedInUser +

		"&sbutton=Submit+New+Thread&parseurl=1&emailupdate=9999&polloptions=4";

	}

	submitUrlHttpReq = new Ajax();

    submitUrlHttpReq.onreadystatechange = submitComplete;

    // initiate the request

	submitUrlHttpReq.open('POST', url, true);

	submitUrlHttpReq.setRequestHeader("Content-type", "application/x-www-form-urlencoded");

	submitUrlHttpReq.setRequestHeader("Content-length", parameters.length);

	submitUrlHttpReq.setRequestHeader("Connection", "close");

	submitUrlHttpReq.send(parameters);

}

// Response to our POST has been received, analyse the result

function submitComplete(){

    if (submitUrlHttpReq.readyState == 4) {

		// attempt to get response status

		var responseStatus = null;

		try {

			responseStatus = submitUrlHttpReq.status;

		} 

		catch (noStatusException) {

		}

		var content = submitUrlHttpReq.responseText;

		if ( content.indexOf(submitTitle) == -1 ) {

			uiManager.showNotification(3000, "warning", "Posting failed.");	

		} else {

			uiManager.showNotification(3000, "warning", "Please wait...");	

			if ( submitCallback != null ) {

				submitCallback.call();

			}

		}

	}	

}

// Test weather page HTML contains a login form. This is useful in

// being able to tell weather a login has been successfull, or if

// we received login prompt instead of XML at any point.

function isLoginPrompt (text) {

	return text.indexOf("<title>Sign in</title>") != -1;

}

// Stores the current view, then shows the settings dialog

// so that once settings dialog is closed, we go back to current screen

function promptForPassword() {

		if (uiManager.currentView == settings) {

			settings.previousView = home;

		}

		else {

			settings.previousView = uiManager.currentView;

		}

		if (isHideNotifications) {

			uiManager.hideNotification();

		}

		settings.show();

}

function extractFormField(content, harvestString){

	var startind = content.indexOf(harvestString);

	if ( startind == -1 ) {

		return null;

	}

	startind += harvestString.length;

	var endind = content.indexOf("\"", startind);

	return content.substring(startind, endind);

}

function checkForSecurityToken(where, content) {

//	var stpos = content.indexOf("securitytoken");

//	if ( stpos == -1 ) {

//		var test = content.substring(stpos , stpos + 100);

//		alert("securityToken not found in " + where + " : "+ test);

//	}

}