Farming Script start

--[[Local Variables]]--
local termWidth, termHeight = term.getSize()
local selectItem = 1
local turtleId
local isWirelessTurtle
local messageOutputFileName


--[Wireless Print Functions]--
isWirelessTurtle = peripheral.isPresent("right")
if (isWirelessTurtle == true) then
  turtleId = os.getComputerLabel()
  rednet.open("right")
end

function writeMessage(message)
    print(message)

    -- If this turtle has a modem, then write the message to red net
    if (isWirelessTurtle == true) then
      if (turtleId == nil) then
        rednet.broadcast(message)
      else
        -- Broadcast the message (prefixed with the turtle's id)
        rednet.broadcast("[".. turtleId.."] "..message)
      end
    end

    if (messageOutputFileName ~= nil) then
      -- Open file, write message and close file (flush doesn't seem to work!)
      local outputFile = io.open(messageOutputFileName, "a")
      outputFile:write(message)
      outputFile:write("\n")
      outputFile:close()
    end
end

--[[menu methods]]--
function farmsize()
    term.clear()
    term.setCursorPos(1,1)
    term.write("please input a width of farm and length")

end

function farmtype()
    term.clear()
    term.setCursorPos(1,1)
    term.write("please select a farm type")

end

function potatoes()

end

function wheat()

end

function carrots()

end

function sugarcane()

end

function help()
    term.clear()
    term.setCursorPos(1,1)
    term.write("=========================================")
    term.write("==This program is made by: The Stuntman==")
    term.write("==Set turtle one block behind first row==")
    term.write("==on the left most corner of your farm ==")
    term.write("==make sure there is a chest behind it ==")
    term.write("==then run the program and use menu    ==")
    term.write("=========================================")
    sleep(10)
    menu()
end

function Exit()
    running = false
end


--[[Menu Definitions ]]--
term.write("my name is" ..is.getComputerLabel)
term.write("please select from the following")
mainMenu = (
    [1] = { text = "Farm Size" }, handler = farmsize),
    [2] = { text = "Farm Type" }, handler = farmtype),
    [3] = { text = "Help" }, handler = help),
    [4] = { text = "Exit"}, handler )
)

--[[print menu]]--

function printMenu( menu )
    for i=1, #menu do
        if i == selectedItem then
            print ("> "..menu[i].text)
        else
            print("   "..menu[i].text)
        end
    end
end

--[[ Handler Method]]--
function onKeyPressed(key, menu)
    if key == keys.enter then
        onItemSelected(menu)
    elseif key == keys.up then
        if selectedItem > 1 then
            selectedItem = selectedItem - 1
        end
    elseif key == key.down then
        if selectedItem < #menu then
            selectedItem = selectedItem + 1
    end
end

function onItemSelected( menu )
    menu[selectedItem].handler()
end

--[[ Main method ]]--

function main()
    while running do
    term.clear()
    term.setCursorPos(1,1)
    printMenu(mainMenu)

    even, key = os.pullEvent("key")
    onKeyPressed(key,mainMenu)
    end
    end

menu()