token = "PASTE TOKEN HERE"
mcIcon = "/Applications/Media Center 24.app/Contents/Resources/AppIcon.icns"
trackKey = nil

function systemKey(key)
	hs.eventtap.event.newSystemKeyEvent(string.upper(key), true):post()
	hs.eventtap.event.newSystemKeyEvent(string.upper(key), false):post()
end

function xmlParse(data,item)
	result = data:match("<Item Name=\""..item.."\">(.-)</Item>")

	if result == nil then
		result = ""
	else
		string.format(result)
	end

	return result
end

function mcNotify()
	hs.timer.doAfter(
		1,
		function()
			hs.http.asyncGet("http://localhost:52199/MCWS/v1/Playback/Info?Token="..token.."", {}, function(code,body,headers)
				if code == 200 then
					if trackKey ~= xmlParse(body, "FileKey") then
						trackKey = xmlParse(body, "FileKey")
						notif = hs.notify.new({title=xmlParse(body, "Artist"), informativeText=xmlParse(body, "Name")})
						notif:contentImage(hs.image.imageFromURL("http://localhost:52199/"..xmlParse(body, "ImageURL").."&Token="..token))
						notif:setIdImage(mcIcon)
						notif:send()
					end
				end
			end)
		end
	)
end

hs.hotkey.bind({}, "f1", function()
	systemKey("BRIGHTNESS_DOWN")
end, nil, function()
	systemKey("BRIGHTNESS_DOWN")
end)

hs.hotkey.bind({}, "f2", function()
	systemKey("BRIGHTNESS_UP")
end, nil, function()
	systemKey("BRIGHTNESS_UP")
end)

hs.hotkey.bind({}, "f5", function()
	systemKey("ILLUMINATION_DOWN")
end, nil, function()
	systemKey("ILLUMINATION_DOWN")
end)

hs.hotkey.bind({}, "f6", function()
	systemKey("ILLUMINATION_UP")
end, nil, function()
	systemKey("ILLUMINATION_UP")
end)

hs.hotkey.bind({}, "f7", function()
	hs.http.get("http://localhost:52199/MCWS/v1/Playback/Previous?Token="..token)
	mcNotify()
end)

hs.hotkey.bind({}, "f8", function()
	hs.http.get("http://localhost:52199/MCWS/v1/Playback/PlayPause?Token="..token)
end)

hs.hotkey.bind({}, "f9", function()
	hs.http.get("http://localhost:52199/MCWS/v1/Playback/Next?Token="..token)
	mcNotify()
end)

hs.hotkey.bind({}, "f10", function()
	systemKey("MUTE")
end)

hs.hotkey.bind({}, "f11", function()
	systemKey("SOUND_DOWN")
end, nil, function()
	systemKey("SOUND_DOWN")
end)

hs.hotkey.bind({}, "f12", function()
	systemKey("SOUND_UP")
end, nil, function()
	systemKey("SOUND_UP")
end)