Tree Farm V2

x = 0

y = 0

z = 0

function mineTree()
    temp = 0
    turtle.turnRight()
    success, data = turtle.inspect()
    if data.name == "minecraft:log" then
        turtle.dig()
        turtle.forward()
        turtle.turnLeft()
        turtle.turnLeft()
        success, data = turtle.inspectUp()
        while data.name == "minecraft:log" do
            turtle.digUp()
            if turtle.up() then
                y = y + 1
            end
            success, data = turtle.inspect()
            while data.name == "minecraft:leaves" do
                turtle.dig()
                if turtle.forward() then
                    temp = temp + 1
                end
                success, data = turtle.inspect()
            end
            turtle.turnLeft()
            turtle.turnLeft()
            while temp > 0 do
                turtle.dig()
                if turtle.forward() then
                    temp = temp - 1
                end
            end
            success, data = turtle.inspect()
            while data.name == "minecraft:leaves" do
                turtle.dig()
                if turtle.forward() then
                    temp = temp + 1
                end
                success, data = turtle.inspect()
            end
            turtle.turnLeft()
            turtle.turnLeft()
            while temp > 0 do
                turtle.dig()
                if turtle.forward() then
                    temp = temp - 1
                end
            end
            success, data = turtle.inspectUp()
        end
        while y > 0 do
            turtle.digDown()
            if turtle.down() then
                y = y - 1
            end
        end
        turtle.forward()
        turtle.turnRight()
        turtle.turnRight()
    end
    if not turtle.detect() then
        turtle.select(16)
        turtle.place()
        turtle.select(1)
    end
    turtle.turnLeft()
end

function getFuel()
    turtle.select(2)
    turtle.dropDown(15)
    turtle.select(1)
    sleep(1)
    local c = turtle.getItemCount(1) - 4
    turtle.refuel(c)
    print("My fuel is at", turtle.getFuelLevel())
end

function goAround()
    while z < l + 1 do
        turtle.suck()
        mineTree()
        turtle.forward()
        z = z + 1
    end
    turtle.turnRight()
    while x < w + 1 do
        turtle.suck()
        mineTree()
        turtle.forward()
        x = x + 1
    end
    turtle.turnRight()
    while z > 0 do
        turtle.suck()
        mineTree()
        turtle.forward()
        z = z - 1
    end
    turtle.turnRight()
    while x > 0 do
        turtle.suck()
        mineTree()
        turtle.forward()
        x = x - 1
    end
    turtle.turnRight()
end

function feller()
    getFuel()
    goAround()
end

function crafty()
    if turtle.getItemCount() > 0 then
        turtle.craft()
        turtle.dropUp()
    end
    sleep(0)
end



print("+-------------------------------------+")
print("| Tree Farm V2                        |")
print("+-------------------------------------+")
print("| Slot 1: Wood Planks                 |")
print("| Slot 2-15: Logs                     |")
print("| Slot 16: Saplings                   |")
print("+-------------------------------------+")
print("| Place feller turtle at bottom left  |")
print("| of the farm. Specify width and      |")
print("| length. Press enter to start.       |")
print("| Place crafty turtle under feller.   |")
print("+-------------------------------------+")
read()
print("+-------------------------------------+")
print("| Crafty or Feller?                   |")
print("+-------------------------------------+")
type = tostring(read())
print("+-------------------------------------+")
print("| Farm Width = ?                      |")
print("+-------------------------------------+")
w = tonumber(read())
print("+-------------------------------------+")
print("| Farm length = ?                     |")
print("+-------------------------------------+")
l = tonumber(read())

while type == "Feller" do
    feller()
end

while type == "Crafty" do
    crafty()
end