magma_create

local function printClear(msg)
    term.clear()
    term.setCursorPos(1, 1)
    print(msg)
end

-- Clear the turtle's inventory by dropping all items into the inventory below
local function clearInventory()
    for i = 1, 16 do
        turtle.select(i)
        while turtle.getItemCount(i) > 0 do
            if not turtle.dropDown() then
                printClear("Waiting for space in inventory below to clear slot", i)
                sleep(2)
            end
        end
    end
end

-- Pull 9 items from the inventory below (enough for one craft)
local function getCraftingItems()
    clearInventory()  -- just to be safe before fetching
    while true do
        turtle.select(1)
        if not turtle.suckDown(9) then
            printClear("Waiting for items...")
            sleep(2)
        else
            local item = turtle.getItemDetail(1)
            if item and item.count >= 9 then
                return
            else
                printClear("Not enough items pulled, retrying...")
                clearInventory()
                sleep(2)
            end
        end
    end
end

-- Arrange 9 items into the crafting grid: slots 1,2,3,5,6,7,9,10,11
local function arrangeItemsForCraft()
    local craftingSlots = {
        [1] = true, [2] = true, [3] = true,
        [5] = true, [6] = true, [7] = true,
        [9] = true, [10] = true, [11] = true
    }

    -- Ensure at least 9 items in slot 1
    printClear("Crafting block")
    turtle.select(1)
    local itemDetail = turtle.getItemDetail(1)
    if not itemDetail or itemDetail.count < 9 then
        clearInventory()
        getCraftingItems()
        return arrangeItemsForCraft()  -- Retry with fresh items
    end

    -- Distribute 1 item each to crafting grid slots
    local targetSlots = {2, 3, 5, 6, 7, 9, 10, 11}
    for _, slot in ipairs(targetSlots) do
        turtle.select(1)
        turtle.transferTo(slot, 1)
    end

    -- Cleanup: ensure each crafting slot has exactly 1 item, and dump extras elsewhere
    for slot = 1, 16 do
        turtle.select(slot)
        local item = turtle.getItemDetail(slot)
        if item then
            local count = item.count
            if craftingSlots[slot] then
                if count > 1 then
                    turtle.dropDown(count - 1)
                end
            else
                -- Not part of the crafting grid: drop it
                turtle.dropDown()
            end
        end
    end

    return true
end

-- Craft the item (requires turtle with crafting upgrade)
local function craftItem()
    if not turtle.craft() then
        printClear("Crafting failed")
        return false
    end
    return true
end

-- Place crafted item in front (avoid crafting slots to reduce error chance)
local function placeCraftedItem()
    local craftingGrid = {
        [1] = true, [2] = true, [3] = true,
        [5] = true, [6] = true, [7] = true,
        [9] = true, [10] = true, [11] = true
    }

    for i = 1, 16 do
        if not craftingGrid[i] then
            turtle.select(i)
            if turtle.getItemCount(i) > 0 then
                if turtle.place() then
                    return true
                end
            end
        end
    end

    printClear("Failed to place crafted item")
    return false
end

-- Wait until the block in front becomes a magma block, then dig it and store it above
local function waitForMagma()
    while true do
        local success, data = turtle.inspect()
        if success and data.name == "minecraft:magma_block" then
            turtle.dig()
            -- Deposit magma block into inventory above
            for i = 1, 16 do
                turtle.select(i)
                local detail = turtle.getItemDetail(i)
                if detail and detail.name == "minecraft:magma_block" then
                    turtle.dropUp()
                end
            end
            return
        else
            sleep(2)
        end
    end
end

-- Startup check: if there's already a block in front, handle it
local function handleStartupBlock()
    local success, data = turtle.inspect()
    if success then
        if data.name == "minecraft:magma_block" then
            turtle.dig()
            for i = 1, 16 do
                turtle.select(i)
                local detail = turtle.getItemDetail(i)
                if detail and detail.name == "minecraft:magma_block" then
                    turtle.dropUp()
                end
            end
        else
            -- Assume it's a crafted block still transforming
            printClear("Found block in front, waiting for it to become magma...")
            waitForMagma()
        end
    end
end

-- Main loop: run forever
local success, data = turtle.inspect()
if success and data.name == "minecraft:magma_block" then
    turtle.dig()
    -- Deposit magma block into inventory above
    for i = 1, 16 do
        turtle.select(i)
        local detail = turtle.getItemDetail(i)
        if detail and detail.name == "minecraft:magma_block" then
            turtle.dropUp()
        end
    end
end

handleStartupBlock()
while true do
    clearInventory()
    getCraftingItems()
    arrangeItemsForCraft()
    if craftItem() then
        if placeCraftedItem() then
            waitForMagma()
        end
    end
    sleep(1)
end