Opencomputer drone remote

component = require("component")


m=component.modem
m.broadcast(5, "drone=component.proxy(component.list('drone')())")

mover = function()
   for dir in string.gmatch(line, "[^%s]+") do
       round = (round+1)
   if round == 1 then
        direction = dir
        else if round == 2 then
            anzahl = dir
            if anzahl == "down" then
                anzahl = 0
                else if anzahl == "up" then
                    anzahl = 1
                    else if anzahl == "left" then
                        anzahl = 2
                        else if anzahl == "right" then
                            anzahl = 3
                            else if anzahl == "back" then
                                anzahl = 4
                                else if anzahl == "front" then
                                    anzahl = 5
                                    end
                                end
                            end
                        end
                    end
                end
            end
        end
    end
    

if direction == "w" then
    m.broadcast(5, "drone.move("..anzahl..",0,0)")
    else if direction == "s" then
        m.broadcast(5, "drone.move(-"..anzahl..",0,0)")
        else if direction == "d" then
            m.broadcast(5, "drone.move(0,0,"..anzahl..")")
            else if direction == "a" then
                m.broadcast(5, "drone.move(0,0,-"..anzahl..")")
                else if direction == "u" then
                    m.broadcast(5, "drone.move(0,"..anzahl..",0)")
                    else if direction == "dd" then
                        m.broadcast(5, "drone.move(0,-"..anzahl..",0)")
                        else if direction == "rce" then
                            lin = io.read()
                            m.broadcast(5, lin)
                            else if direction == "use" then
                                m.broadcast(5, "drone.use("..anzahl..")")
                                end
                            end
                        end
                    end
                end
            end
        end
    end
end


ex = false
while ex == false do
    round = 0
    anzahl = 1
    line = io.read()
    if line == "exit" then
        ex = true
        else
            mover()
        end
    end