lua turtle simple 1 tree

left = function()
    return turtle.turnLeft()
end

right = function()
    return turtle.turnRight()
end

up = function()
    return turtle.up()
end

down = function()
    return turtle.down()
end

back = function()
    return turtle.back()
end

go = function()
    return turtle.forward()
end

fuel = function()
    return turtle.getFuelLevel()
end

select = function(id)
    return turtle.select(id)
end

count = function(id)
    return turtle.getItemCount(id)
end

move = function(id, nb)
    return turtle.transferTo(id, nb)
end

--coucou coucou- -------------------------------------------
function testFuel()
    if(fuel() < 100)then
        print('Plus de coco, test de refuel')
        j = 1
        if (count(j)>0) then
            select(j)
        end
        flagstop = false
        while(flagstop == false)do
            if(count(j)>0 and turtle.refuel(3)==true)then
                print('refuel 3, slot '..j)
                return true
            end
            if(j==16)then
                print('imposible de refuel, exit')
                return false
            end
            j=j+1
            if(count(j)>0) then
                select(j)
            end
        end
    end
end


function init()
    if(count(1)==0) then
        print('Besoin du block a couper en slot 1')
        return false
    end
    if(turtle.detectDown()==false)then
        print('Pas de coffre ?')
        return false
    end
    if(count(16)==0 and turtle.suck()==false) then
        print('Pas de slaping ?')
        return false
    end



    if(count(16)==0) then
        select(2)
        move(16, count(1))
    end
    if(count(16)<64) then
        print('Ya pas beaucoup de slapping :/')
    end
    if(testFuel()==false)then
        return false
    end
    return true
end

function testSlaping()
    if(count(16)==0)then
        print('plus de slaping')
        return false
    end
    if(turtle.detect()==false)then
        select(16)

        print('place un slaping')
        turtle.place()
        return true
    end
end
function videInv()
    for i=2,15 do
        select(i)
        turtle.dropDown()
    end
end
function coupeArbre(i)
    if(testFuel()==false)then
        print('coupeArbre false:testFuel')
        return false
    end
    flag=turtle.detectUp()
    if(flag==true) then
        --print('detectUp = true')
        turtle.digUp()
        up()
        sleep(1)
        i=i+1
    end

    if (flag==false) then
        --print('detectUp = false')
        while(i>0)do
            down()
            i=i-1
        end
        while(back() == false)do
            sleep(2)
        end
        select(16)
        turtle.place(1)
        --print('coupeArbre true')
        videInv()

        return true
    end
    return coupeArbre(i)
end
-- ---------------------------------------------------------



stop=false
if(init()==false) then
    stop=true
end
while(stop==false)do
    if(testSlaping() == false)then
        stop=true
    end
    select(1)
    if(turtle.compare()==true)then
        turtle.dig()
        go()
        if(coupeArbre(0)==false)then
            stop=true
        end
    end
    sleep(1)
end
print('End')
if(fuel() == 0) then
  print('Ya plus de coco mon coco !')
end