#!/usr/bin/ruby

### config
user=""
pass=""
ip="192.168.x.x"

### No need to change anything below
require "httparty"

url="http://#{user}:#{pass}@#{ip}/white"

## funkce
def rgbwstatus(url,channel=0)
	page_data = HTTParty.get("#{url}/#{channel}")
	responses = page_data.parsed_response
	return responses
end

def rgbwtoggle(url,channel=0)
	if rgbwstatus(url,channel)["ison"] == true then
		page_data = HTTParty.get("#{url}/#{channel}?turn=off")
		status = page_data.parsed_response
	else
		page_data = HTTParty.get("#{url}/#{channel}?turn=on")
		status = page_data.parsed_response
	end
end

def rgbwbrup(url,channel=0)
	brightness = rgbwstatus(url,channel)["brightness"].to_i
	brightness = brightness+5
	
	if brightness > 100 then brightness=100 end
	if brightness < 5 then brightness=5 end

	page_data = HTTParty.get("#{url}/#{channel}?brightness=#{brightness}")
	status = page_data.parsed_response
end

def rgbwbrdown(url,channel=0)

	brightness = rgbwstatus(url,channel)["brightness"].to_i
	brightness = brightness-5
	
	if brightness > 100 then brightness=100 end
	if brightness < 5 then brightness=5 end

	page_data = HTTParty.get("#{url}/#{channel}?brightness=#{brightness}")
	status = page_data.parsed_response
end

def rgbwbright(url,brightness,channel=0)
	brightness=brightness.to_i
	if brightness > 100 then
		brightness=100
	end
	if brightness < 5 then
		brightness=5
	end

	page_data = HTTParty.get("#{url}/#{channel}?brightness=#{brightness}")
	status = page_data.parsed_response
end

def rgbwtoggle(url,channel=0)
	if rgbwstatus(url,channel)["ison"] == true then
		page_data = HTTParty.get("#{url}/#{channel}?turn=off")
		status = page_data.parsed_response
	else
		page_data = HTTParty.get("#{url}/#{channel}?turn=on")
		status = page_data.parsed_response
	end
end

def rgbwoff(url,channel=0)
	page_data = HTTParty.get("#{url}/#{channel}?turn=off")
	status = page_data.parsed_response
end

def rgbwon(url,channel=0)
	page_data = HTTParty.get("#{url}/#{channel}?turn=on")
	status = page_data.parsed_response
end

## Ovladani
command, *parametry = ARGV

case command
	when "on"
		if ! parametry[0].nil? then
			channel = parametry[0].to_i
			if ! channel.between?(0,3) then
				puts "Neplatny kanal, hodnota musi byt v rozsahu 0 - 3"
				exit
			end
			rgbwon(url,channel)
		else
			rgbwon(url)
		 end
	when "off"
		if ! parametry[0].nil? then
			channel = parametry[0].to_i
			if ! channel.between?(0,3) then
				puts "Neplatny kanal, hodnota musi byt v rozsahu 0 - 3"
				exit
			end
			rgbwoff(url,channel)
		else
			rgbwoff(url)
		 end
	when "toggle"
		if ! parametry[0].nil? then
			channel = parametry[0].to_i
			if ! channel.between?(0,3) then
				puts "Neplatny kanal, hodnota musi byt v rozsahu 0 - 3"
				exit
			end
			rgbwtoggle(url,channel)
		else
			rgbwtoggle(url)
		 end
	when "up"
		if ! parametry[0].nil? then
			channel = parametry[0].to_i
			if ! channel.between?(0,3) then
				puts "Neplatny kanal, hodnota musi byt v rozsahu 0 - 3"
				exit
			end
			rgbwbrup(url,channel)
		else
			rgbwbrup(url)
		 end
	when "down"
		if ! parametry[0].nil? then
			channel = parametry[0].to_i
			if ! channel.between?(0,3) then
				puts "Neplatny kanal, hodnota musi byt v rozsahu 0 - 3"
				exit
			end
			rgbwbrdown(url,channel)
		else
			rgbwbrdown(url)
		 end
	when "brightness"
		if parametry[0].nil? then
			puts "Musite zadat hodnotu intenzity v procentech (5-100)"
			exit 1
		else
			brightness=parametry[0].to_i
		end
		if ! parametry[1].nil? then
			channel = parametry[1].to_i
			if ! channel.between?(0,3) then
				puts "Neplatny kanal, hodnota musi byt v rozsahu 0 - 3"
				exit
			end
			rgbwbright(url,brightness,channel)
		else
			rgbwbright(url,brightness)
		 end
end