HouseBuilding

local length = 0
local width = 0
local depth = 0
local gone = 0
local lr = 0
local lengthgone = 0
local chest = turtle.getItemCount(3)

local function CheckItems()
         if turtle.getItemCount(16)>0 then -- If slot 16 in turtle has item slot 5 to 16 will go to chest
                        if chest > 0 then
                                turtle.select(3)
                                turtle.placeUp()
                                chest = chest - 1
                                for slot = 4, 16 do
                                        turtle.select(slot)
                                        turtle.dropUp()
                                        sleep(1.5)
                                end
                                turtle.select(4)
                                print("emptied storage")
                        else
                                print("turtle run out of chest")
                                print("press enter after refilling them in slot 3")
                                input5 = io.read()
                                chest = turtle.getItemCount(3)
                        end
                end
end

local function DigLength()
    repeat
        while turtle.detect() == true do
            turtle.dig()
        end
        turtle.forward()
        lengthgone = lengthgone+1

        CheckItems()
    until lengthgone == length

    lengthgone = 0

    if lr == 0 then
        lr = 1
    else
        lr = 0
    end
end

local function down()
    if turtle.detectDown() == true then turtle.digDown() end
    turtle.turnLeft()
    turtle.turnLeft()
    turtle.down()
    depth = depth-1
    if lr == 0 then
        lr = 1
    else
        lr = 0
    end
end

local function Check()
             if turtle.getFuelLevel() == "unlimited" then
                print("NO NEED FOR FUEL")
             elseif turtle.getFuelLevel() < 1000 then
                turtle.refuel()
            end
end

-- start from here
print("What Length shall the house be?")
input = io.read()
length = tonumber(input)
length = length-1
print("What Width shall the house be?")
input2 = io.read()
width = tonumber(input2)
width = width - 1
print("What Depth shall the house be?")
input3 = io.read()
depth = tonumber(input3)
print("First turn left or right? 0=right, 1=left")
input4 = io.read()
lr = tonumber(input4)
print("place fuel in slots 1 and 2, chests in slot 3")

Check()

repeat
    DigLength()
    if gone == width then
        if depth > 1 then
        gone = 0
        down()
        print("finished level")
        else
            depth = depth-1
            print("turtle has finished")
        end
    elseif lr == 0 then
        turtle.turnLeft()
        if turtle.detect() == true then turtle.dig() end
        turtle.forward()
        turtle.turnLeft()
        gone = gone+1
    elseif lr == 1 then
        turtle.turnRight()
        if turtle.detect() == true then turtle.dig() end
        turtle.forward()
        turtle.turnRight()
        gone = gone+1
    end
Check()
until depth == 0

turtle.turnLeft()
turtle.turnLeft()
length = 0
width = 0
depth = 0
gone = 0
lr = 0
lengthgone = 0