// Comments

var comment_template = false;

var comment_render_track = 0;

window.ajaxComments = function(parms)

{

	load_component(['l10n', 'paginate', 'template-compiler', 'toolbar', 'flyin', 'jquery', 'jquery-ui']);

	setAjaxLoading();

	var pid = strToPageID(title);

	if(!parms)

	{

		var parms = {

			mode: 'fetch',

			pagenum: 0

		};

	}

	parms.page_id = pid[0];

	parms.namespace = pid[1];

	if(comment_template)

		parms.have_template = true;

	parms = ajaxEscape(toJSONString(parms));

	ajaxPost(stdAjaxPrefix+'&_mode=comments', 'data=' + parms, function(ajax) {

		if ( ajax.readyState == 4 && ajax.status == 200 ) {

			unsetAjaxLoading();

			selectButtonMajor('discussion');

			unselectAllButtonsMinor();

			// IE compatibility - doing ajax.responseText.substr() doesn't work

			var rsptxt = ajax.responseText + '';

			if ( rsptxt.substr(0, 1) != '{' )

			{

				document.getElementById('ajaxEditContainer').innerHTML = '<p>Comment system Javascript runtime: invalid JSON response from server, response text:</p><pre>' + ajax.responseText + '</pre>';

				return false;

			}

			var response = parseJSON(ajax.responseText);

			switch(response.mode)

			{

				case 'fetch':

					if(response.template)

						comment_template = response.template;

					setAjaxLoading();

					renderComments(response);

					unsetAjaxLoading();

					break;

				case 'refetch':

					var html = '';

					for ( var i = 0; i < response.comments.length; i++ )

					{

						html += window._render_comment(response.comments[i], response);

					}

					$('#' + response.passback.paginator_id + '_0')

						.css('height', 'auto')

						.css('background-color', 'transparent')

						.css('background-image', 'none')

						.fadeTo('fast', 100)

						.html(html);

					break;

				case 'redraw':

					redrawComment(response);

					break;

				case 'annihilate':

					annihiliateComment(response.id);

					break;

				case 'materialize':

					alert($lang.get('comment_msg_comment_posted'));

					hideCommentForm();

					materializeComment(response);

					break;

				case 'error':

					load_component(['messagebox', 'fadefilter', 'flyin']);

					new MessageBox(MB_OK|MB_ICONSTOP, ( response.title ? response.title : $lang.get('comment_ajax_err_generic_title') ), response.error);

					break;

				default:

					alert(ajax.responseText);

					break;

			}

		}

	});

}

window.renderComments = function(data)

{

	var html = '';

	// Header

		html += '<h3>' + $lang.get('comment_heading') + '</h3>';

		var ns = ENANO_PAGE_TYPE;

	// Counters

		if ( data.auth_mod_comments )

		{

			var cnt = ( data.auth_mod_comments ) ? data.count_total : data.count_appr;

			var subst = {

				num_comments: cnt,

				page_type: ns

			}

			var count_msg = ( cnt == 0 ) ? $lang.get('comment_msg_count_zero', subst) : ( ( cnt == 1 ) ? $lang.get('comment_msg_count_one', subst) : $lang.get('comment_msg_count_plural', subst) );

			html += "<p id=\"comment_status\"><span>" + count_msg + '</span>';

			if ( data.count_unappr > 0 )

			{

				html += ' <span style="color: #D84308" id="comment_status_unapp">' + $lang.get('comment_msg_count_unapp_mod', { num_unapp: data.count_unappr }) + '</span>';

			}

			html += '</p>';

		}

		else

		{

			var cnt = data.count_appr;

			var subst = {

				num_comments: cnt,

				page_type: ns

			}

			var count_msg = ( cnt == 0 ) ? $lang.get('comment_msg_count_zero', subst) : ( ( cnt == 1 ) ? $lang.get('comment_msg_count_one', subst) : $lang.get('comment_msg_count_plural', subst) );

			html += "<p id=\"comment_status\">" + count_msg;

			if ( data.count_unappr > 0 )

			{

				var unappr_msg  = ( data.count_unappr == 1 ) ? $lang.get('comment_msg_count_unapp_one') : $lang.get('comment_msg_count_unapp_plural', { num_unapp: data.count_unappr });

				html += ' ' + unappr_msg;

			}

			html += '</p>';

		}

	// Comment display

	if ( data.count_total > 0 )

	{

		comment_render_track = 0;

		var commentpages = new paginator(data.comments, _render_comment, 0, data.per_page, data, Math.ceil(data.count_total / data.per_page), window._comment_page_flip);

		html += commentpages.html;

	}

	if ( data.auth_post_comments )

	{

		// Posting form

		html += '<h3>' + $lang.get('comment_postform_title') + '</h3>';

		html += '<p>' + $lang.get('comment_postform_blurb');

		if ( data.approval_needed )

			html+=' ' + $lang.get('comment_postform_blurb_unapp');

		html += ' <a id="leave_comment_button" href="#" onclick="displayCommentForm(); return false;">' + $lang.get('comment_postform_blurb_link') + '</a></p>';

		html += '<div id="comment_form" style="display: none;">';

		html += '  <table border="0" style="width: 100%;">';

		html += '    <tr><td>' + $lang.get('comment_postform_field_name') + '</td><td>';

		if ( data.user_id > 1 ) html += data.username + '<input id="commentform_name" type="hidden" value="'+data.username+'" size="40" />';

		else html += '<input id="commentform_name" type="text" size="40" style="width: 100%;" />';

		html += '    </td></tr>';

		html += '    <tr><td>' + $lang.get('comment_postform_field_subject') + '</td><td><input id="commentform_subject" type="text" size="40" style="width: 100%;" /></td></tr>';

		html += '    <tr><td>' + $lang.get('comment_postform_field_comment') + '</td><td><textarea id="commentform_message" rows="15" cols="50" style="width: 100%;"></textarea></td></tr>';

		if ( !data.logged_in && data.guest_posting == '1' )

		{

			html += '  <tr><td>' + $lang.get('comment_postform_field_captcha_title') + '<br /><small>' + $lang.get('comment_postform_field_captcha_blurb') + '</small></td><td>';

			html += '  <img alt="CAPTCHA image" src="'+makeUrlNS('Special', 'Captcha/' + data.captcha)+'" onclick="this.src=\''+makeUrlNS('Special', 'Captcha/' + data.captcha)+'/\'+Math.floor(Math.random()*10000000);" style="cursor: pointer;" /><br />';

			html += '  ' + $lang.get('comment_postform_field_captcha_label') + ' <input type="text" size="8" id="commentform_captcha" />';

			html += '  <!-- This input is used to track the ID of the CAPTCHA image --> <input type="hidden" id="commentform_captcha_id" value="'+data.captcha+'" />';

			html += '  </td></tr>';

		}

		html += '    <tr><td colspan="2" style="text-align: center;"><input type="button" onclick="submitComment();" value="' + $lang.get('comment_postform_btn_submit') + '" /></td></tr>';

		html += '  </table>';

		html += '</div>';

	}

	document.getElementById('ajaxEditContainer').innerHTML = html;

	if ( document.getElementById('commentform_message') )

	{

		document.getElementById('commentform_message').allow_wysiwyg = data.auth_edit_wysiwyg

	}

	for ( i = 0; i < data.comments.length; i++ )

	{

		document.getElementById('comment_source_'+i).value = data.comments[i].comment_source;

	}

}

var _render_comment = function(this_comment, data)

{

	var i = comment_render_track;

	comment_render_track++;

	var parser = new templateParser(comment_template);

	var tplvars = new Object();

	if ( this_comment.approved != '1' && !data.auth_mod_comments )

		return '';

	tplvars.ID = i;

	tplvars.DATETIME = this_comment.time;

	tplvars.SUBJECT = this_comment.subject;

	tplvars.DATA = this_comment.comment_data;

	tplvars.SIGNATURE = this_comment.signature;

	if ( this_comment.approved == '0' )

		tplvars.SUBJECT += ' <span style="color: #D84308">' + $lang.get('comment_msg_note_unapp') + '</span>';

	else if ( this_comment.approved == '2' )

		tplvars.SUBJECT += ' <span style="color: #D84308">' + $lang.get('comment_msg_note_spam') + '</span>';

	// Name

	tplvars.NAME = this_comment.name;

	if ( this_comment.user_id > 1 )

		tplvars.NAME = '<a href="' + makeUrlNS('User', this_comment.name) + '" style="' + this_comment.rank_style + '">' + this_comment.name + '</a>';

	// Avatar

	if ( this_comment.user_has_avatar == '1' )

	{

		tplvars.AVATAR_URL = this_comment.avatar_path;

		tplvars.USERPAGE_LINK = makeUrlNS('User', this_comment.name);

		tplvars.AVATAR_ALT = $lang.get('usercp_avatar_image_alt', { username: this_comment.name });

	}

	// User level

	tplvars.USER_LEVEL = '';

	if ( this_comment.user_title )

		tplvars.USER_LEVEL += this_comment.user_title;

	if ( this_comment.rank_title && this_comment.user_title )

		tplvars.USER_LEVEL += '<br />';

	if ( this_comment.rank_title )

		tplvars.USER_LEVEL += $lang.get(this_comment.rank_title);

	// Send PM link

	tplvars.SEND_PM_LINK=(this_comment.user_id>1)?'<a class="abutton icon abutton_blue" style="background-image: url(' + cdnPath + '/images/icons/send_pm.png);" onclick="window.open(this.href); return false;" href="'+ makeUrlNS('Special', 'PrivateMessages/Compose/To/' + ( this_comment.name.replace(/ /g, '_') )) +'">' + $lang.get('comment_btn_send_privmsg') + '</a><br /><br />':'';

	// Add buddy link

	tplvars.ADD_BUDDY_LINK=(this_comment.user_id>1)?'<a class="abutton icon abutton_green" style="background-image: url(' + cdnPath + '/images/icons/add_buddy.png);" onclick="window.open(this.href); return false;" href="'+ makeUrlNS('Special', 'PrivateMessages/FriendList/Add/' + ( this_comment.name.replace(/ /g, '_') )) +'">' + $lang.get('comment_btn_add_buddy') + '</a><br />':'';

	// Edit link

	tplvars.EDIT_LINK='<a href="#edit_'+i+'" onclick="editComment(\''+i+'\', this); return false;" id="cmteditlink_'+i+'">' + $lang.get('comment_btn_edit') + '</a>';

	// Delete link

	tplvars.DELETE_LINK='<a href="#delete_'+i+'" onclick="deleteComment(\''+i+'\'); return false;">' + $lang.get('comment_btn_delete') + '</a>';

	// Moderation: (Un)approve link

	var appr = ( this_comment.approved == 1 ) ? $lang.get('comment_btn_mod_unapprove') : $lang.get('comment_btn_mod_approve');

	tplvars.MOD_APPROVE_LINK='<a href="#approve_'+i+'" id="comment_approve_'+i+'" onclick="approveComment(\''+i+'\'); return false;">'+appr+'</a>';

	// Moderation: Delete post link

	tplvars.MOD_DELETE_LINK='<a href="#mod_del_'+i+'" onclick="deleteComment(\''+i+'\'); return false;">' + $lang.get('comment_btn_mod_delete') + '</a>';

	// Moderation: IP address link

	if ( this_comment.have_ip )

	{

		tplvars.MOD_IP_LINK = '<span id="comment_ip_' + i + '"><a href="#mod_ip_' + i + '" onclick="viewCommentIP(' + this_comment.comment_id + ', ' + i + '); return false;">' + $lang.get('comment_btn_mod_ip_logged') + '</a></span>';

	}

	else

	{

		tplvars.MOD_IP_LINK = $lang.get('comment_btn_mod_ip_missing');

	}

	var tplbool = new Object();

	tplbool.signature = ( this_comment.signature == '' ) ? false : true;

	tplbool.can_edit = ( data.auth_edit_comments && ( ( this_comment.user_id == data.user_id && data.logged_in ) || data.auth_mod_comments ) );

	tplbool.auth_mod = data.auth_mod_comments;

	tplbool.is_friend = ( this_comment.is_buddy == 1 && this_comment.is_friend == 1 );

	tplbool.is_foe = ( this_comment.is_buddy == 1 && this_comment.is_friend == 0 );

	tplbool.user_has_avatar = ( this_comment.user_has_avatar == '1' );

	if ( tplbool.is_friend )

		tplvars.USER_LEVEL += '<br /><b>' + $lang.get('comment_on_friend_list') + '</b>';

	else if ( tplbool.is_foe )

		tplvars.USER_LEVEL += '<br /><b>' + $lang.get('comment_on_foe_list') + '</b>';

	parser.assign_vars(tplvars);

	parser.assign_bool(tplbool);

	var ret = '<div id="comment_holder_' + i + '">';

	ret += '<input type="hidden" value="'+this_comment.comment_id+'" />';

	ret += '<input type="hidden" id="comment_source_'+i+'" />';

	ret += parser.run();

	ret += '</div>';

	return ret;

}

window.displayCommentForm = function()

{

	document.getElementById('leave_comment_button').style.display = 'none';

	document.getElementById('comment_form').style.display = 'block';

	if ( $dynano('commentform_message').object.allow_wysiwyg )

		$dynano('commentform_message').makeSwitchable();

}

window.hideCommentForm = function()

{

	document.getElementById('leave_comment_button').style.display = 'inline';

	document.getElementById('comment_form').style.display = 'none';

}

window.editComment = function(id, link)

{

	var ctr = document.getElementById('subject_'+id);

	var subj = ( ctr.firstChild ) ? trim(ctr.firstChild.nodeValue) : ''; // If there's a span in there that says 'unapproved', this eliminates it

	ctr.innerHTML = '';

	var ipt = document.createElement('input');

	ipt.id = 'subject_edit_'+id;

	ipt.value = subj;

	ctr.appendChild(ipt);

	var src = document.getElementById('comment_source_'+id).value;

	var cmt = document.getElementById('comment_'+id);

	cmt.innerHTML = '';

	var ta = document.createElement('textarea');

	ta.rows = '10';

	ta.cols = '40';

	ta.style.width = '98%';

	ta.value = src;

	ta.id = 'comment_edit_'+id;

	cmt.appendChild(ta);

	$dynano(ta).makeSwitchable();

	link.style.fontWeight = 'bold';

	link.innerHTML = $lang.get('comment_btn_save');

	link.onclick = function() { var id = this.id.substr(this.id.indexOf('_')+1); saveComment(id, this); return false; };

}

window.saveComment = function(id, link)

{

	var data = document.getElementById('comment_edit_'+id).value;

	var subj = document.getElementById('subject_edit_'+id).value;

	var div = document.getElementById('comment_holder_'+id);

	var real_id = div.getElementsByTagName('input')[0]['value'];

	var req = {

		'mode' : 'edit',

		'id'   : real_id,

		'local_id' : id,

		'data' : data,

		'subj' : subj

	};

	link.style.fontWeight = 'normal';

	link.innerHTML = $lang.get('comment_btn_edit');

	link.onclick = function() { var id = this.id.substr(this.id.indexOf('_')+1); editComment(id, this); return false; };

	ajaxComments(req);

}

window.deleteComment = function(id)

{

	if ( !shift )

	{

		var c = confirm($lang.get('comment_msg_delete_confirm'));

		if(!c)

			return false;

	}

	var div = document.getElementById('comment_holder_'+id);

	var real_id = div.getElementsByTagName('input')[0]['value'];

	var req = {

		'mode' : 'delete',

		'id'   : real_id,

		'local_id' : id

	};

	ajaxComments(req);

}

window.submitComment = function()

{

	var name = document.getElementById('commentform_name').value;

	var subj = document.getElementById('commentform_subject').value;

	var text = $dynano('commentform_message').getContent();

	if ( document.getElementById('commentform_captcha') )

	{

		var captcha_code = document.getElementById('commentform_captcha').value;

		var captcha_id   = document.getElementById('commentform_captcha_id').value;

	}

	else

	{

		var captcha_code = '';

		var captcha_id   = '';

	}

	if ( subj == '' )

	{

		load_component(['messagebox', 'fadefilter']);

		new MessageBox(MB_OK|MB_ICONSTOP, 'Input validation failed', 'Please enter a subject for your comment.');

		return false;

	}

	if ( text == '' )

	{

		load_component(['messagebox', 'fadefilter']);

		new MessageBox(MB_OK|MB_ICONSTOP, 'Input validation failed', 'Please enter some text for the body of your comment .');

		return false;

	}

	var req = {

		'mode' : 'submit',

		'name' : name,

		'subj' : subj,

		'text' : text,

		'captcha_code' : captcha_code,

		'captcha_id'   : captcha_id

	};

	ajaxComments(req);

}

window.redrawComment = function(data)

{

	if ( data.subj )

	{

		document.getElementById('subject_' + data.id).innerHTML = data.subj;

	}

	if ( data.approved && data.approved != '1' )

	{

		document.getElementById('subject_' + data.id).innerHTML += ' <span style="color: #D84308">' + ( data.approved == '2' ? $lang.get('comment_msg_note_spam') : $lang.get('comment_msg_note_unapp') ) + '</span>';

	}

	if ( data.approved && ( typeof(data.approve_updated) == 'string' && data.approve_updated == 'yes' ) )

	{

		var appr = ( data.approved == '1' ) ? $lang.get('comment_btn_mod_unapprove') : $lang.get('comment_btn_mod_approve');

		document.getElementById('comment_approve_'+data.id).innerHTML = appr;

		if ( data.approved == '1' )

			comment_decrement_unapproval();

		else

			comment_increment_unapproval();

	}

	if ( data.text )

	{

		document.getElementById('comment_' + data.id).innerHTML = data.text;

	}

	if ( data.src )

	{

		document.getElementById('comment_source_' + data.id).value = data.src;

	}

	if ( data.ip_addr )

	{

		var span = $dynano('comment_ip_' + data.local_id).object;

		if ( !span )

			return false;

		span.innerHTML = $lang.get('comment_msg_ip_address') + ' <a href="#rdns" onclick="ajaxReverseDNS(this); return false;">' + data.ip_addr + '</a>';

	}

}

window.approveComment = function(id)

{

	var div = document.getElementById('comment_holder_'+id);

	var real_id = div.getElementsByTagName('input')[0]['value'];

	var req = {

		'mode' : 'approve',

		'id'   : real_id,

		'local_id' : id

	};

	ajaxComments(req);

}

// Does the actual DOM object removal

window.annihiliateComment = function(id) // Did I spell that right?

{

	var approved = true;

	if(document.getElementById('comment_approve_'+id))

	{

		var appr = document.getElementById('comment_approve_'+id).firstChild.nodeValue;

		if ( appr == $lang.get('comment_btn_mod_approve') )

		{

			approved = false;

		}

	}

	var div = document.getElementById('comment_holder_'+id);

	div.parentNode.removeChild(div);

	// update approval status

	if ( document.getElementById('comment_count_unapp_inner') && !approved )

	{

		comment_decrement_unapproval();

	}

}

window.materializeComment = function(data)

{

	// Intelligently get an ID

	var i = 0;

	var brother;

	while ( true )

	{

		var x = document.getElementById('comment_holder_'+i);

		if(!x)

			break;

		brother = x;

		i++;

	}

	var parser = new templateParser(comment_template);

	var tplvars = new Object();

	if ( data.approved != '1' && !data.auth_mod_comments )

		return false;

	tplvars.ID = i;

	tplvars.DATETIME = data.time;

	tplvars.SUBJECT = data.subject;

	tplvars.DATA = data.comment_data;

	tplvars.SIGNATURE = data.signature;

	tplvars.NAME = data.name;

	if ( data.user_id > 1 )

		tplvars.NAME = '<a href="' + makeUrlNS('User', data.name) + '">' + data.name + '</a>';