#!/mod/bin/jimsh

package require cgi
source /mod/webif/lib/setup
require system.class pretty_size

header
jqplugin easy-pie-chart

puts {
<link href=style.css rel=stylesheet type=text/css />
<script type=text/javascript src=script.js></script>
}

set dustbin [system dustbin 1]
set root [system mediaroot]
set lroot [string length $root]

proc hasnew {dir} {
	if {![file exists "$dir/.series"]} { return 0 }
	if {[catch {set fd [open "$dir/.series"]}]} { return 0 }
	set bytes [read $fd 8]
	$fd close
	set recs [unpack $bytes -uintle 0 32]
	set plays [unpack $bytes -uintle 32 32]
	set diff $($recs - $plays)
	if {$diff != 0} { return 1 }
	return 0
}

set rsize 0

proc gen {dir ddir {depth 0} {expand 0}} {
	global root lroot rsize

	if {[catch {set dsize [exec /mod/bin/busybox/du -s "$dir/"]} msg]} {
		puts "Error, $dir, $msg"
		return
	}
	lassign $dsize dsize
	if {!$rsize} { set rsize $dsize }

	set dlist {}
	foreach entry [lsort [readdir -nocomplain $dir]] {
		if {[string index $entry 0] eq "."} continue
		if {![file isdirectory "$dir/$entry"]} continue
		lappend dlist $entry
	}

	set img "/images/711_1_09_Media_Folder.png"
	if {[hasnew $dir]} { set img "/img/Folder_New.png" }
	if {[string first "/$::dustbin" $dir] > -1} {
		set img "/img/Dustbin_Folder.png"
	}

	if {$expand > 0} { set class "open" } else { set class "closed" }
	if {$expand > 1} { set timg "minus" } else { set timg "plus" }
	if {![llength $dlist]} { set timg "join" }

	set perc $($dsize * 100 / $rsize)

	puts -nonewline "
	    <div class=\"va $class\" style=\"padding-left: ${depth}em\">
		<img border=0 class=\"va tlink\" src=/img/tree/$timg.png>
		<span class=\"va fileperc\" data-percent=$perc>
		    <img border=0 class=va src=\"$img\"></span>
		<span class=filesize>
		    ([pretty_size $($dsize * 1024)] - $perc%)
		</span>
		<span class=path>
		    <a target=dspace_drill
			href=\"/browse/index.jim?dir=[cgi_quote_url $dir]\">$ddir</a>
		</span>
	"

	incr depth 2
	incr expand -1

	foreach subd $dlist { gen "$dir/$subd" $subd $depth $expand }

	puts {</div>}
}

puts {
<fieldset style="display: inline">
<legend> Disk Utilisation </legend>
}

gen $root "/" 0 2

puts {
</fieldset>
}

footer