Clearing Turtle

--DYNAMIC GLOBAL VARS INPUT

print("Place the turtle facing on the edge of the clearing zone, facing west to east.")
print("Select the number of lines you wish to have mined.")
lines = tonumber(read())
print("You selected:", lines)
os.sleep(2)
term.clear()

print("Select the length of lines you wish to have mined.")
lineLength = tonumber(read())
print("You selected:", lineLength)
os.sleep(2)
term.clear()

--FIXED GLOBAL VARS

distance = 0
lineDist = 1
orrentation = 0

function Refuel()
    local fuelLvl = turtle.getFuelLevel()

    turtle.getFuelLevel()
    if turtle.getFuelLevel() then
        turtle.select(1)
        turtle.getItemCount()
    end
end

function Turn()
    local leftTurn = turtle.turnLeft()
    local rightTurn = turtle.turnRight()

    if lineDist == lineLength then    --LINE PROGRESS CHECK
        lines = lines + 1
        if (lines % 2 == 0) then      --LINE VAR EVEN CHECK
            turtle.turnLeft()
            turtle.dig()
            turtle.forward()
            turtle.turnLeft()
        elseif (lines % 2 ~= 0) then  --LINE VAR ODD CHECK
            turtle.turnRight()
            turtle.dig()
            turtle.forward()
            turtle.turnRight()
        end
        lineDist = lineDist - (lineLength - 1)  --LINE VAR RESET
    end

end

function Dig()
    local attemptForward = turtle.forward()

    for i=0,lineLength do
        turtle.select(1)
        turtle.dig()
        turtle.forward()
        if attemptForward == true then
            distance = distance + 1
        elseif attemptForward == false then
            Dig()
        elseif lineDist == lineLength then
            Turn()
        end
    end
end

function Quarry()
    for i=0,lines do
        Refuel()
        Dig()
    end
end

function Return()

end

Quarry()