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

class ts {
	file		""
	base		""
	title		""
	synopsis	""
	definition	""
	channel_num	0
	channel_name	""
	start		0
	end		0
	flags		""
	error		""
}

ts method duration {} {
	return [expr [expr $end - $start] / 60]
}

ts method size {} {
	file stat $file st
	return $st(size)
}

ts method _parse {line} {
	set vars [split $line "\t"]

	set title [lindex $vars 0]
	set synopsis [lindex $vars 1]
	set definition [lindex $vars 2]
	set channel_num [lindex $vars 3]
	set channel_name [lindex $vars 4]
	set start [lindex $vars 5]
	set end [lindex $vars 6]
	set flags [split [string range [lindex $vars 7] 0 end-1] ,]
}

ts method flag {f} {
	if {$f in $flags} {return 1} else {return 0}
}

ts method unlock {} {
	set cmd [list /mod/bin/hmt -lock $file]
	#puts "CMD: $cmd"
	exec {*}$cmd
	return 1
}

ts method lock {} {
	set cmd [list /mod/bin/hmt +lock $file]
	#puts "CMD: $cmd"
	exec {*}$cmd
	return 1
}

ts method setfile {f} { set file $f }

proc {ts parse} {file line} {
	set e [ts new]
	$e setfile $file
	$e _parse $line
	return $e
}

proc {ts exec} {file} {
	set raw 0
	set cmd [list /mod/bin/hmt]
	lappend cmd "-p"
	lappend cmd $file

	#puts "CMD -$cmd-"

	return [exec {*}$cmd]
}

proc {ts fetch} {file {checked 0}} {
	# Check that this is a .ts file which has at least one sidecar
	# file (.nts)
	if {!$checked} {
		if {[file extension $file] ne ".ts"} { return 0 }
		if {![file exists "[file rootname $file].nts"]} { return 0 }
	}

	return [ts parse $file [ts exec $file]]
}

ts method delete {} {
	# Extract file basename
	foreach f [glob -nocomplain "[file rootname $file].*"] {
		puts "Removed $f<br>"
		file delete $f
	}
	return 1
}