menu

local loctable = {}
local currline = 0
local pos = 1
local wire = 0
local t

function readFile()
  term.clear()
  term.setCursorPos(1,1)

  local countlines = 1
  file = io.open("power","r")

  for line in file:lines() do
    for name, active in string.gmatch(line, "(.+):(%w+)") do
      loctable[countlines] = {["name"] = name, ["active"] = active}
    end
    countlines = countlines + 1
  end
  file:close()
end

--readFile()
function printMenu()
  term.clear()
  term.setCursorPos(1,1)
  t = 0

  for i = 1, #loctable do
    t = t + 1
    wire = redstone.getBundledOutput("bottom")
    if loctable[i].active == "Open" then
      term.setTextColor(colors.lime)
      wire = colors.combine(wire, 2^t)
    else
      term.setTextColor(colors.red)
      wire=colors.subtract(wire, 2^t)
    end
    redstone.setBundledOutput("bottom", wire)

    if i == pos then
      print(loctable[i].name.."="..loctable[i].active.."*")
    else
      print(loctable[i].name.."="..loctable[i].active)
    end
  end
  term.setTextColor(colors.white)
end

readFile()
while true do
  printMenu()
  local event, a = os.pullEvent("key")
  if a == 200 and pos > 1 then
    pos = pos - 1
  end
  if a == 208 and pos < 3 then
    pos = pos + 1
  end
  if a == 28 then

    if loctable[pos].active == "Open" then
       loctable[pos].active = "Closed"
       printMenu()
     else
       loctable[pos].active = "Open"
       printMenu()
     end


  end
end