local CONFIG_FILE = "slave.cfg"
local MODEM_SIDE = "bottom"

local config = {
outputs = {
straight = {},
cross = {},
},
defaultState = "straight",
}

local function saveConfig()
local h = fs.open(CONFIG_FILE, "w")
h.write(textutils.serialize(config))
h.close()
end

local function loadConfig()
if not fs.exists(CONFIG_FILE) then
saveConfig()
return
end
local h = fs.open(CONFIG_FILE, "r")
local raw = h.readAll()
h.close()
local t = textutils.unserialize(raw)
if type(t) == "table" then config = t end
end

local function splitSides(text)
local out = {}
for part in string.gmatch((text or ""), "[^,%s]+") do
if part ~= MODEM_SIDE then
table.insert(out, part)
end
end
return out
end

local function sideList(list)
if not list or #list == 0 then return "(nincs)" end
return table.concat(list, ",")
end

local function pulseTest(list)
for _, side in ipairs({"top","left","right","front","back"}) do
redstone.setOutput(side, false)
end
for _, side in ipairs(list) do
redstone.setOutput(side, true)
end
sleep(1)
for _, side in ipairs({"top","left","right","front","back"}) do
redstone.setOutput(side, false)
end
end

loadConfig()

while true do
term.setBackgroundColor(colors.black)
term.setTextColor(colors.white)
term.clear()
term.setCursorPos(1,1)
print("SLAVE SETUP")
print("===========")
print("Computer ID: " .. os.getComputerID())
print("Modem oldal: " .. MODEM_SIDE)
print("Straight -> " .. sideList(config.outputs.straight))
print("Cross -> " .. sideList(config.outputs.cross))
print("Default -> " .. tostring(config.defaultState))
print("")
print("1 - Straight oldalak beallitasa")
print("2 - Cross oldalak beallitasa")
print("3 - Default allapot")
print("4 - Straight teszt")
print("5 - Cross teszt")
print("6 - Mentes")
print("7 - Kilepes")
print("")
write("> ")
local cmd = read()

if cmd == "1" then
write("Straight oldalak (pl: top,left): ")
config.outputs.straight = splitSides(read())
elseif cmd == "2" then
write("Cross oldalak (pl: right,back): ")
config.outputs.cross = splitSides(read())
elseif cmd == "3" then
write("Default (straight/cross): ")
local v = read()
if v == "straight" or v == "cross" then config.defaultState = v end
elseif cmd == "4" then
pulseTest(config.outputs.straight)
elseif cmd == "5" then
pulseTest(config.outputs.cross)
elseif cmd == "6" then
saveConfig()
print("Mentve.")
sleep(1)
elseif cmd == "7" then
term.clear()
term.setCursorPos(1,1)
print("Kilepes")
break
end
end