$ ->
	timeout = (ms, f) -> setTimeout(f, ms)
	term = null
	palette = [
		# normal colours
		'2e3436',
		'cc0000',
		'4e9a06',
		'c4a000',
		'3465a4',
		'75507b',
		'06989a',
		'd3d7cf',

		# brighter versions (for bold, and 16-color sequences)
		'555753',
		'ef2929',
		'8ae234',
		'fce94f',
		'729fcf',
		'ad7fa8',
		'34e2e2',
		'eeeeec',

		# 256 colors
		'000000', '00005f', '000087', '0000af', '0000d7', '0000ff', '005f00', '005f5f',
		'005f87', '005faf', '005fd7', '005fff', '008700', '00875f', '008787', '0087af',
		'0087d7', '0087ff', '00af00', '00af5f', '00af87', '00afaf', '00afd7', '00afff',
		'00d700', '00d75f', '00d787', '00d7af', '00d7d7', '00d7ff', '00ff00', '00ff5f',
		'00ff87', '00ffaf', '00ffd7', '00ffff', '5f0000', '5f005f', '5f0087', '5f00af',
		'5f00d7', '5f00ff', '5f5f00', '5f5f5f', '5f5f87', '5f5faf', '5f5fd7', '5f5fff',
		'5f8700', '5f875f', '5f8787', '5f87af', '5f87d7', '5f87ff', '5faf00', '5faf5f',
		'5faf87', '5fafaf', '5fafd7', '5fafff', '5fd700', '5fd75f', '5fd787', '5fd7af',
		'5fd7d7', '5fd7ff', '5fff00', '5fff5f', '5fff87', '5fffaf', '5fffd7', '5fffff',
		'870000', '87005f', '870087', '8700af', '8700d7', '8700ff', '875f00', '875f5f',
		'875f87', '875faf', '875fd7', '875fff', '878700', '87875f', '878787', '8787af',
		'8787d7', '8787ff', '87af00', '87af5f', '87af87', '87afaf', '87afd7', '87afff',
		'87d700', '87d75f', '87d787', '87d7af', '87d7d7', '87d7ff', '87ff00', '87ff5f',
		'87ff87', '87ffaf', '87ffd7', '87ffff', 'af0000', 'af005f', 'af0087', 'af00af',
		'af00d7', 'af00ff', 'af5f00', 'af5f5f', 'af5f87', 'af5faf', 'af5fd7', 'af5fff',
		'af8700', 'af875f', 'af8787', 'af87af', 'af87d7', 'af87ff', 'afaf00', 'afaf5f',
		'afaf87', 'afafaf', 'afafd7', 'afafff', 'afd700', 'afd75f', 'afd787', 'afd7af',
		'afd7d7', 'afd7ff', 'afff00', 'afff5f', 'afff87', 'afffaf', 'afffd7', 'afffff',
		'd70000', 'd7005f', 'd70087', 'd700af', 'd700d7', 'd700ff', 'd75f00', 'd75f5f',
		'd75f87', 'd75faf', 'd75fd7', 'd75fff', 'd78700', 'd7875f', 'd78787', 'd787af',
		'd787d7', 'd787ff', 'd7af00', 'd7af5f', 'd7af87', 'd7afaf', 'd7afd7', 'd7afff',
		'd7d700', 'd7d75f', 'd7d787', 'd7d7af', 'd7d7d7', 'd7d7ff', 'd7ff00', 'd7ff5f',
		'd7ff87', 'd7ffaf', 'd7ffd7', 'd7ffff', 'ff0000', 'ff005f', 'ff0087', 'ff00af',
		'ff00d7', 'ff00ff', 'ff5f00', 'ff5f5f', 'ff5f87', 'ff5faf', 'ff5fd7', 'ff5fff',
		'ff8700', 'ff875f', 'ff8787', 'ff87af', 'ff87d7', 'ff87ff', 'ffaf00', 'ffaf5f',
		'ffaf87', 'ffafaf', 'ffafd7', 'ffafff', 'ffd700', 'ffd75f', 'ffd787', 'ffd7af',
		'ffd7d7', 'ffd7ff', 'ffff00', 'ffff5f', 'ffff87', 'ffffaf', 'ffffd7', 'ffffff',
		'080808', '121212', '1c1c1c', '262626', '303030', '3a3a3a', '444444', '4e4e4e',
		'585858', '626262', '6c6c6c', '767676', '808080', '8a8a8a', '949494', '9e9e9e',
		'a8a8a8', 'b2b2b2', 'bcbcbc', 'c6c6c6', 'd0d0d0', 'dadada', 'e4e4e4', 'eeeeee'
	]

	$body = $('body')
	$body.css backgroundColor: "##{palette[0]}", color: "##{palette[7]}"

	socket = io.connect('http://localhost')

	color_to_css = (i) ->
		# handle inverse bit
		if i & 0x080000
			index = ((i >> 8) & 0xff)
		else
			index = (i & 0xff)

		# lighten the basic 8 colors when they're bold
		if ((i & 0x10000) and index < 8)
			index += 8
		return 'color: #' + palette[index] + '; '

	bg_color_to_css = (i) ->
		# xor the inverse bit, to get color_to_css to use the bg color
		return 'background-' + color_to_css(i ^ 0x080000)

	stylize = (txt, style) ->
		if (txt.length == 0 or style == 0x000007)
			return txt
		css = ''
		css += 'font-weight: bold; ' if style & 0x010000
		css += 'text-decoration: underline; ' if style & 0x020000
		css += 'font-style: italic; ' if style & 0x200000 # italic
		css += 'opacity: 0; ' if style & 0x100000 # invisible
		css += color_to_css(style) if ((style & 0x0800ff) isnt 0x07)
		css += bg_color_to_css(style) if (style & 0x08ff00)
		return $('<span style="'+css+'"></span>').text(txt)

	redraw_wait = false
	redraw_again = false
	redraw_now = ->
		$body.children().remove()
		for i in [0...term.text.length]
			div = $('<div>')
			txt = ''
			a = 0x000007
			for j in [0...term.text[i].length]
				if (term.attributes[i][j] isnt a)
					if (txt.length)
						div.append(stylize(txt, a))
						txt = ''
					a = term.attributes[i][j]
				txt += term.text[i][j]
			if txt.length
				div.append(stylize(txt, a))
			$body.append(div)

	# limit to 50fps
	redraw = ->
		if (redraw_wait)
			redraw_again = true
		else
			redraw_now()
			redraw_wait = true
			redraw_again = false
			timeout 20, ->
				redraw_wait = false
				if (redraw_again)
					redraw_again = false
					redraw()

	update = (data) ->
		if (term)
			term.update(data)
			redraw()

	socket.on 'data', (data) ->
		update(data)

	socket.on 'init', (v) ->
		term = terminal.new(v.width, v.height)
		term.x = v.x
		term.y = v.y
		term.a = v.a
		term.text = v.text
		term.attributes = v.attributes
		redraw()