var cpdTemplate;
var cpdCounter = 0;
var cpdNodes = {};

function cpdBuild( contextTbody, contextRow, record, callnumber, orgid, depth, copy_location ) {
var i = cpdCheckExisting(contextRow);
	if(i) return i;

	var counter = cpdCounter++;

	/* yank out all of the template rows */
	if(!cpdTemplate) cpdTemplate = $('rdetail_volume_details_row');
	var templateRow = cpdTemplate.cloneNode(true);
	templateRow.id = 'cpd_row_' + counter;

	/* shove a dummy a tag in before the context previous sibling */
	/*
	contextTbody.insertBefore( 
		elem('a',{name:'slot_'+templateRow.id}), contextRow.previousSibling);
	goTo('#slot_'+templateRow.id);
	*/

	if(isXUL()) {
		/* unhide before we unhide/clone the parent */
		//unHideMe($n(templateRow, 'age_protect_label'));
		unHideMe($n(templateRow, 'create_date_label'));
		unHideMe($n(templateRow, 'holdable_label'));
	}

	unHideMe(templateRow);


	var mainTbody = $n(templateRow, 'copies_tbody');

        var req = new Request(FETCH_COPIES_FROM_VOLUME, record.doc_id(), callnumber, orgid);
        req.callback(cpdDrawCopies);

        req.request.args = {
                contextTbody    : contextTbody, /* tbody that holds the contextrow */
                contextRow              : contextRow, /* the row our new row will be inserted after */
                record                  : record,
                callnumber              : callnumber,
                orgid                           : orgid,
                depth                           : depth,
                templateRow             : templateRow, /* contains everything */
                mainTbody               : mainTbody, /* holds the copy rows */
                counter                 : counter
        };


	if( contextRow.nextSibling ) 
		contextTbody.insertBefore( templateRow, contextRow.nextSibling );
	else
		contextTbody.appendChild( templateRow );

	req.send();
	_debug('creating new details row with id ' + templateRow.id);
	cpdNodes[templateRow.id] = { templateRow : templateRow };
	return templateRow.id;
}


function cpdBuildPrintWindow(record, orgid) {
	var div = $('rdetail_print_details').cloneNode(true);
	div.id = "";

	$n(div, 'lib').appendChild(text(findOrgUnit(orgid).name()));
	$n(div, 'title').appendChild(text(record.title()));
	$n(div, 'author').appendChild(text(record.author()));
	$n(div, 'edition').appendChild(text(record.edition()));
	$n(div, 'pubdate').appendChild(text(record.pubdate()));
	$n(div, 'publisher').appendChild(text(record.publisher()));
	$n(div, 'phys').appendChild(text(record.physical_description()));

	return div;
}

function cpdStylePopupWindow(div) {
	var tds = div.getElementsByTagName('td');
	for( var i = 0; i < tds.length ; i++ ) {
		var td = tds[i];
		var sty = td.getAttribute('style');
		if(!sty) sty = "";
		td.setAttribute('style', sty + 'padding: 2px; border: 1px solid #F0F0E0;');
		if( td.className && td.className.match(/hide_me/) ) 
			td.parentNode.removeChild(td);
	}
}


/* builds a friendly print window for this CNs data */
function cpdBuildPrintPane(contextRow, record, callnumber, orgid, depth) {

	var div = cpdBuildPrintWindow( record, orgid);

	$n(div, 'cn').appendChild(text(callnumber));

	unHideMe($n(div, 'copy_header'));

//	var subtbody = $n(contextRow.nextSibling, 'copies_tbody');
//	var rows = subtbody.getElementsByTagName('tr');
	var rows = contextRow;

	for( var r = 0; r < rows.length; r++ ) {
		var row = rows[r];
		if(!row) continue;
		var name = row.getAttribute('name');
		if( name.match(/extras_row/) ) continue; /* hide the copy notes, stat-cats */
		var clone = row.cloneNode(true);
		var links = clone.getElementsByTagName('a');
		for( var i = 0; i < links.length; i++ ) 
			links[i].style.display = 'none';

		$n(div, 'tbody').appendChild(clone);
	}

	cpdStylePopupWindow(div);
	openWindow( div.innerHTML);
}



/* hide any open tables and if we've already 
	fleshed this cn, just unhide it */
function cpdCheckExisting( contextRow ) {

	var existingid;
	var next = contextRow.nextSibling;

	if( next && next.getAttribute('templateRow') ) {
		var obj = cpdNodes[next.id];
		if(obj.templateRow.className.match(/hide_me/)) 
			unHideMe(obj.templateRow);
		else hideMe(obj.templateRow);
		existingid = next.id;
	}

	if(existingid) _debug('row exists with id ' + existingid);

	for( var o in cpdNodes ) {
		var node = cpdNodes[o];
		if( existingid && o == existingid ) continue;
		hideMe(node.templateRow);
		removeCSSClass(node.templateRow.previousSibling, 'rdetail_context_row');
	}

	addCSSClass(contextRow, 'rdetail_context_row');
	if(existingid) return existingid;
	return null;
}

/*
function cpdFetchCopies(r) {
	var args = r.args;
	args.cn	= r.getResultObject();
	var req = new Request(FETCH_COPIES_FROM_VOLUME, args.cn.id());
	req.request.args = args;
	req.callback(cpdDrawCopies);
	req.send();
}
*/

function cpdDrawCopies(r) {

	var copies		= r.getResultObject();
	var args			= r.args;
	var copytbody	= $n(args.templateRow, 'copies_tbody');
	var copyrow		= copytbody.removeChild($n(copytbody, 'copies_row'));

	if(isXUL()) {
		/* unhide before we unhide/clone the parent */
		//unHideMe($n(copyrow, 'age_protect_value'));
		unHideMe($n(copyrow, 'create_date_value'));
		unHideMe($n(copyrow, 'copy_holdable_td'));
		//unHideMe($n(copyrow, 'copy_due_date_td'));
	}

	for( var i = 0; i < copies.length; i++ ) {
		var row = copyrow.cloneNode(true);
		var copyid = copies[i];
		var req = new Request(FETCH_FLESHED_COPY, copies[i]);
		req.callback(cpdDrawCopy);
		req.request.args = r.args;
		req.request.row = row;
		req.send();
		copytbody.appendChild(row);
	}
}

function cpdDrawCopy(r) {
	var copy = r.getResultObject();
	var row  = r.row;

    if (r.args.copy_location && copy.location().name() != r.args.copy_location) {
        hideMe(row);
        return;
    }

	$n(row, 'barcode').appendChild(text(copy.barcode()));
	$n(row, 'location').appendChild(text(copy.location().name()));
	$n(row, 'status').appendChild(text(copy.status().name()));

	if(isXUL()) {
		/* show the hold link */
		var l = $n(row, 'copy_hold_link');
		unHideMe(l);
		l.onclick = function() {
			holdsDrawEditor( 
				{ 
					type			: 'C',
					copyObject	: copy,
					onComplete	: function(){}
				}
			);
		}

		if( copy.age_protect() ) 
			appendClear($n(row, 'age_protect_value'), text(copy.age_protect().name()));

		var cd = copy.create_date();
		cd = cd.replace(/T.*/, '');
		$n(row, 'create_date_value').appendChild(text(cd));

		var yes = $('rdetail.yes').innerHTML;
		var no = $('rdetail.no').innerHTML;

		if( isTrue(copy.holdable()) &&
				isTrue(copy.location().holdable()) &&
				isTrue(copy.status().holdable()) ) {
			$n(row, 'copy_is_holdable').appendChild(text(yes));	
		} else {
			$n(row, 'copy_is_holdable').appendChild(text(no));	
		}

		var circ;
		if( copy.circulations() ) {
			circ = copy.circulations()[0];
			if( circ ) {
				$n(row, 'copy_due_date').appendChild(text(circ.due_date().replace(/[T ].*/,'')));
			}
		}

	}

	r.args.copy = copy;
	r.args.copyrow = row;
	cpdShowNotes(copy, r.args)
	cpdShowStats(copy, r.args);

}

function _cpdExtrasInit(args) {

	var newrid	= 'extras_row_' + args.copy.barcode();
	var newrow	= $(newrid);
	if(!newrow) newrow = args.extrasRow.cloneNode(true);
	var tbody	= $n(newrow, 'extras_tbody');
	var rowt		= $n(tbody, 'extras_row');
	newrow.id	= newrid;

	var cr = args.copyrow;
	var nr = cr.nextSibling;
	var np = args.mainTbody;

	/* insert the extras row into the main table */
	if(nr) np.insertBefore( newrow, nr );
	else np.appendChild(newrow);

	var link = $n(args.copyrow, 'details_link');
	var link2 = $n(args.copyrow, 'less_details_link');
	var id = newrow.id;
	link.id = id + '_morelink';
	link2.id = id + '_lesslink';
	unHideMe(link);
	hideMe(link2);

	link.setAttribute('href', 
			'javascript:unHideMe($("'+link2.id+'")); hideMe($("'+link.id+'"));unHideMe($("'+newrow.id+'"));');

	link2.setAttribute('href', 
			'javascript:unHideMe($("'+link.id+'")); hideMe($("'+link2.id+'"));hideMe($("'+newrow.id+'"));');

	return [ tbody, rowt ];
}

function cpdShowNotes(copy, args) {
	var notes = copy.notes();
	if(!notes || notes.length == 0) return;

	var a = _cpdExtrasInit(args);
	var tbody = a[0];
	var rowt = a[1];

	for( var n in notes ) {
		var note = notes[n];
		if(!isTrue(note.pub())) continue;
		var row = rowt.cloneNode(true);
		$n(row, 'key').appendChild(text(note.title()));
		$n(row, 'value').appendChild(text(note.value()));
		unHideMe($n(row, 'note'));
		unHideMe(row);
		tbody.appendChild(row);
	}
}


function cpdShowStats(copy, args) {
	var entries = copy.stat_cat_entry_copy_maps();
	if(!entries || entries.length == 0) return;

	var visibleStatCat = false;

	/*
		check all copy stat cats; if we find one that's OPAC visible,
		set the flag and break the loop. If we've found one, or we're
		in the staff client, build the table. if not, we return doing
		nothing, as though the stat_cat_entry_copy_map was empty or null
	*/

	for( var n in entries )
	{
			var entry = entries[n];
			if(isTrue(entry.stat_cat().opac_visible()))
			{
				visibleStatCat = true;
				break;
			}
	}

	if(!(isXUL() || visibleStatCat)) return;

	var a = _cpdExtrasInit(args);
	var tbody = a[0];
	var rowt = a[1];

	for( var n in entries ) {
		var entry = entries[n];
		if(!(isXUL() || isTrue(entry.stat_cat().opac_visible()))) continue;
		var row = rowt.cloneNode(true);
		$n(row, 'key').appendChild(text(entry.stat_cat().name()));
		$n(row, 'value').appendChild(text(entry.stat_cat_entry().value()));
		unHideMe($n(row, 'cat'));
		unHideMe(row);
		tbody.appendChild(row);
	}
}

function oneLineDrawCopies(r){
        var copies = r.getResultObject();
        var args = r.args;
        for( var i = 0; i < copies.length; i++ ) {
           if (i == 0 ) {
                var newrow = args.row;
           }else{
                var newrow = args.row.cloneNode(true);
           }
           var copyid = copies[i];
           var req = new Request(FETCH_FLESHED_COPY, copies[i]);
           req.callback(oneLineDrawCopy);
           req.request.args = r.args;
           req.request.row = newrow;
           req.send();
           args.contextTbody.appendChild(newrow);
        }

}

function oneLineDrawCopy(r){
        var copy = r.getResultObject();
        var row  = r.row;
        var args = r.args;
        var notes = copy.notes();

//GRPL : add note on Storage items
    	var display_location = copy.location().name();

    	if (display_location == 'Storage')
                display_location = display_location+' (see staff)';

        $n(row, 'location').appendChild(text(display_location));
        $n(row, 'status').appendChild(text(copy.status().name()));

if (notes && notes.length > 0){
    for( var n in notes ) {
        var note = notes[n];
        if(!isTrue(note.pub())) continue;
        $n(row, 'notes').appendChild(text(note.title()+' - '));
        $n(row, 'notes').appendChild(text(note.value()+' '));
    }
}
                if (isXUL()){
                        unHideMe($n(row, 'xulonly_copy_links'));
                        unHideMe($n(row, 'barcode_link'));
                        var ib = $n(row, 'barcode_link');
                        $n(row, 'barcode_link').appendChild(text(copy.barcode()));
                        ib.onclick = function () { copy_to_clipboard(copy.barcode()); }
                }

                var print = $n(row,'print');
                print.onclick = function() { cpdBuildPrintPane(
                        row, args.record, args.callnumber, args.orgid, args.depth) };

                var circ;
                if( copy.circulations() ) {
                        circ = copy.circulations()[0];
                        if( circ )
                                $n(row, 'copy_due_date').appendChild(text(circ.due_date().replace(/[T ].*/,'')));
                }
        if (isXUL()){
                unHideMe($n(row, 'barcode_div'));
                var l = $n(row, 'copy_hold_link');
                unHideMe(l);
                l.onclick = function() {
                        holdsDrawEditor(
                                {
                                        type                    : 'C',
                                        copyObject      : copy,
                                        onComplete      : function(){}
                                }
                        );
                }
                var link = $n(row, 'item_details_link');
                unHideMe(link);
                link.onclick = function () {
                        show_copy_details(copy.id());
                }
        }

}