Tree Turtle v1.0

function fuelCheck()
    local fuelLevel = turtle.getFuelLevel()
    if fuelLevel < 20 then
        turtle.select(1)
        turtle.refuel(1)
        print("Refueled.")
    end
end


function chopTree()
    local success, data = turtle.inspect()
    if data.name == "minecraft:log" then
        print("Tree detected... chopping.")
        turtle.dig()
        turtle.suck()
        turtle.suckUp()
        turtle.forward()
        turtle.suck()
        while turtle.detect() == true do
            turtle.digUp()
            turtle.up()
        end
        while turtle.detectDown() == false do
            turtle.down()
        end
        turtle.suck()
        turtle.back()
        turtle.suck()
        turtle.select(3)
        turtle.place()
        turtle.select(1)
    end
end

local chopping = true
while chopping do
    fuelCheck()
    chopTree()
    turtle.suck()
    turtle.suckUp()
    turtle.turnLeft()
    turtle.suck()
    turtle.turnRight()
    turtle.turnRight()
    turtle.suck()
    turtle.turnRight()
    for i = 1, 16 do
        if i > 3 then
            if turtle.getItemCount(i) > 0 then
                turtle.select(i)
                turtle.drop()
            end
        end
    end
    turtle.turnLeft()
    turtle.turnLeft()
    turtle.select(1)
end