local component = require("component")
API = require("button")
local event = require("event")
local gpu = component.gpu
local dialer = component.rftools_dialing_device

local receivers = dialer.getReceivers()
local locations = {}
local positions = {}
local dimensions = {}
local transmitter = dialer.getTransmitters()
local homePos = 0
local numLocations = 0
local dialMode = true  --dial once if true


local colors = { blue = 0x4286F4, purple = 0xB673d6, red = 0xC14141, green = 0xDA841,
  black = 0x000000, white = 0xFFFFFF, grey = 0x47494C, lightGrey = 0xBBBBBB}
-- set size of the screen for lvl 3
gpu.setResolution(132, 38)
gpu.setBackground(colors.black)
gpu.fill(1, 1, 132, 38, " ")

function clearScreen()
	local oldColor = gpu.getBackground( false )
	local w,h = gpu.getResolution()
	gpu.setBackground( colors.black, false )
	gpu.fill(1, 1, 132, 38, " ")
	gpu.setBackground( oldColor, false )
end

function getNumLocations()
	for k,v in pairs(receivers) do
		numLocations = numLocations + 1
	end
end

getNumLocations()

for i=1, numLocations-1 do
	table.insert(locations, receivers[i].name)
	table.insert(positions, receivers[i].position)
	table.insert(dimensions, receivers[i].dimension)

	if receivers[i].name == "Home" then
		homePos = i
	end
end

function setButtons()
	y = 0
	for i=1, numLocations-1 do
		API.setTable(locations[i], tele(i), 10, 2+y, 30, 3+y,locations[i], {on = colors.green, off = colors.red})
		y = y + 3
	end
end

function tele(i)
	dialer.dial(transmitter[1].position, receivers[i].position, receivers[i].dimension, dialMode)
end

event.listen("touch", API.checkxy)

--clearScreen()
	setButtons()
	API.screen()