require system.class

#if {![exists -proc class]} { package require oo }
#class browse {}

set _flatten [system pkginst flatten]

proc _addicon {img {hover ""} {class va}} {
	set icon "<img src=$img class=\"$class\" height=21"
	if {$hover ne ""} {
		append icon " alt=\"$hover\" title=\"$hover\""
	}
	append icon ">"
	return $icon
}

proc {dir expiry} {dir} {
	if {[catch {
		set fd [open "$dir/.autoexpire"]
		set days $([read $fd] + 0)
		$fd close
	}]} { set days 0 }
	if {!$days} { set days 7 }
	return $days
}

proc {dir iconset} {dir} {
	set icons {}
	set attrs {}

	set noflat 0
	if $::_flatten {
		if {[string match {\[*\]} [file tail $dir]]} { set noflat 1 }
		if {[file exists "$dir/.noflatten"]} { set noflat 1 }
		if $noflat { lappend icons \
		    [_addicon "/img/flat-tyre.png" "No-flatten" }
		lappend attrs "noflat=$noflat"
	}

	set autoshrinkr 0
	if {[file exists "$dir/.autoshrinkr"]} {
		set autoshrinkr 1
		lappend icons [_addicon "/img/compressr.png" \
		    "Recursive Auto-shrink"]
		lappend attrs "autoshrinkr=1"
	}

	set autoshrink 0
	if {!$autoshrinkr && [file exists "$dir/.autoshrink"]} {
		set autoshrink 1
		lappend icons [_addicon "/img/compress.png" "Auto-shrink"]
		lappend attrs "autoshrink=1"
	}


	set autodedup 0
	if {[file exists "$dir/.autodedup"]} {
		set autodedup 1
		lappend icons [_addicon "/img/dedup.png" "Auto-dedup"]
		lappend attrs "autodedup=1"
	}

	set autodecryptr 0
	if {[file exists "$dir/.autodecryptr"]} {
		set autodecryptr 1
		lappend icons [_addicon "/img/decryptr.png" \
		    "Recursive Auto-decrypt"]
		lappend attrs "autodecryptr=1"
	}

	set autodecrypt 0
	if {!$autodecryptr && [file exists "$dir/.autodecrypt"]} {
		set autodecrypt 1
		lappend icons [_addicon "/img/decrypt.png" "Auto-decrypt"]
		lappend attrs "autodecrypt=1"
	}

	set autompg 0
	if {[file exists "$dir/.autompg"]} {
		set autompg 1
		lappend icons [_addicon "/img/mpg.png" "Auto-MPG Extract"]
		lappend attrs "autompg=1"
	}

	set automp3 0
	if {[file exists "$dir/.automp3"]} {
		set automp3 1
		lappend icons [_addicon "/img/mp3.png" "Auto-Audio Extract"]
		lappend attrs "automp3=1"
	}

	set autoexpire 0
	if {[file exists "$dir/.autoexpire"]} {
		set days [{dir expiry} $dir]
		set autoexpire 1
		lappend icons [_addicon "/img/clock.png" \
		    "Auto-Expire ($days day$($days == 1 ? "" : "s"))"]
		lappend attrs "autoexpire=1" "autoexpiredays=$days"
	}

	return [list $icons $attrs]
}