print("Starting!")

branchLength = 5
spacing = 3
trash = { "minecraft:dirt", "minecraft:sand", "minecraft:cobblestone", "minecraft:stone", "minecraft:gravel",
    "chisel:basalt2", "chisel:marble2", "chisel:limestone2", "biomesoplenty:gem", "minecraft:yellow_flower",
    "biomesoplenty:mushroom", "minecraft:flint", "minecraft:mossy_cobblestone", "thaumcraft:nugget", "xlfoodmod:salt",
    "botania:mushroom", "thaumcraft:crystal_essence", "biomesoplenty:flower_1", "thermalfoundation:material", "extrautils2:ingredients" }

donotStore = { "minecraft:torch" }



function table.contains(table, element)
    for _, value in pairs(table) do
        if value == element then
            return true
        end
    end
    return false
end

function slotsLeft()
    slotsempty = 0

    for i = 1, 16, 1 do
        local data = turtle.getItemDetail(i)

        if not data then
            slotsempty = slotsempty + 1
        end
    end
    return slotsempty
end

function findItem(item)
    for i = 1, 16, 1 do
        local data = turtle.getItemDetail(i)

        if data then
            if data.name == item then
                return i
            end
        end
    end
    return nil
end

torchInterval = 5

currentTorch = 0

function tryTorch()
    if currentTorch == torchInterval then
        print("TORCH-PLACE")
        torch = findItem("minecraft:torch")
        if torch ~= nil then
            turtle.select(torch)
            turtle.digDown()
            turtle.placeDown()
        end
    end
    print("TORCHINT:", currentTorch)
    currentTorch = (currentTorch + 1) % torchInterval + 1
end

while true do

    print("TORCHINT:", currentTorch)


    print("FUEL LEVEL--------", turtle.getFuelLevel())

    for i = 1, 16, 1 do
        local data = turtle.getItemDetail(i)

        if data then
            turtle.select(i)
            turtle.refuel()
            if table.contains(trash, data.name) then
                print("dropping:", data.name)
                turtle.select(i)
                turtle.drop()
            end
        end
    end

    chestIndex = findItem("enderstorage:ender_storage")
    if chestIndex ~= nil then

        turtle.select(chestIndex)
        while not turtle.placeUp() do
            turtle.digUp()
        end

        for i = 1, 16, 1 do
            local data = turtle.getItemDetail(i)

            if data then
                if not table.contains(donotStore, data.name) then
                    turtle.select(i)
                    turtle.dropUp()
                end
            end
        end
        turtle.digUp()
    end


    while slotsLeft() < 2 do
        print(slotsLeft())
        print("TURTLE NEEDS EMPTYING!!!")
        sleep(1)
    end

    for i = 1, spacing + 1, 1 do
        while not turtle.forward() do
            turtle.dig()
        end
        while turtle.detectUp() do
            turtle.digUp()
        end
        while turtle.detectDown() do
            turtle.digDown()
        end
        tryTorch()
    end

    turtle.turnLeft()

    for i = 1, branchLength, 1 do
        print(tostring(i), "/", tostring(branchLength + 1), "Left")
        while not turtle.forward() do
            turtle.dig()
        end

        while turtle.detectUp() do
            turtle.digUp()
        end
        while turtle.detectDown() do
            turtle.digDown()
        end



    end

    turtle.turnLeft()
    turtle.turnLeft()

    for i = 1, branchLength, 1 do
        print(tostring(i), "/", tostring(branchLength * 2 + 1), "Left")
        while not turtle.forward() do
            turtle.dig()
        end

        while turtle.detectUp() do
            turtle.digUp()
        end
        while turtle.detectDown() do
            turtle.digDown()
        end
        tryTorch()



    end

    for i = 1, branchLength, 1 do
        print(tostring(i), "/", tostring(branchLength * 2 + 1), "Left")
        while not turtle.forward() do
            turtle.dig()
        end

        while turtle.detectUp() do
            turtle.digUp()
        end
        while turtle.detectDown() do
            turtle.digDown()
        end



    end

    turtle.turnLeft()
    turtle.turnLeft()

    for i = 1, branchLength, 1 do
        print(tostring(i), "/", tostring(branchLength + 1), "Left")
        while not turtle.forward() do
            turtle.dig()
        end



        while turtle.detectUp() do
            turtle.digUp()
        end
        while turtle.detectDown() do
            turtle.digDown()
        end
        tryTorch()

    end
    turtle.turnRight()



end