-- Makes stuff out of whatever's in a chest above a turtle, according to a list of recipes in the "make" table.
-- Pulls new materials out of a container in front of the turtle and adds them to the chest as it goes.

-- Doesn't yet account too well for item types that don't stack up to 64 ('cause I'm lazy).

local sleepSeconds = 60  -- Lower this if you have a super-high ingredient flow.

local chest = peripheral.wrap("top")

local slots, items = chest.getInventorySize()

local make = {
	{
		["name"] = "Glowstone",
		["id"] = "minecraft:glowstone:0",
		["recipe"] = {
			"minecraft:glowstone_dust:0", "minecraft:glowstone_dust:0", nil,
			"minecraft:glowstone_dust:0", "minecraft:glowstone_dust:0"
		}
	},
	
	{
		["name"] = "Clay",
		["id"] = "minecraft:clay:0",
		["recipe"] = {
			"minecraft:clay_ball:0", "minecraft:clay_ball:0", nil,
			"minecraft:clay_ball:0", "minecraft:clay_ball:0"
		}
	},
	
	{
		["name"] = "Block of Quartz",
		["id"] = "minecraft:quartz_block:0",
		["recipe"] = {
			"minecraft:quartz:0", "minecraft:quartz:0", nil,
			"minecraft:quartz:0", "minecraft:quartz:0"
		}
	},

	{
		["name"] = "Yellorium Dust",
		["id"] = "BigReactors:BRIngot:4",
		["recipe"] = {
			"ExtraBees:misc:27", "ExtraBees:misc:27", nil,
			"ExtraBees:misc:27", "ExtraBees:misc:27"
		}
	},

	{
		["name"] = "Ferrous Ingot",
		["id"] = "ThermalFoundation:material:68",
		["recipe"] = {
			"ThermalFoundation:material:100", "ThermalFoundation:material:100", "ThermalFoundation:material:100",
			"ThermalFoundation:material:100", "ThermalFoundation:material:100", "ThermalFoundation:material:100",
			"ThermalFoundation:material:100", "ThermalFoundation:material:100", "ThermalFoundation:material:100"
		}
	},
	
	{
		["name"] = "Ferrous Block",
		["id"] = "ThermalFoundation:Storage:4",
		["recipe"] = {
			"ThermalFoundation:material:68", "ThermalFoundation:material:68", "ThermalFoundation:material:68",
			"ThermalFoundation:material:68", "ThermalFoundation:material:68", "ThermalFoundation:material:68",
			"ThermalFoundation:material:68", "ThermalFoundation:material:68", "ThermalFoundation:material:68"
		}
	},
	
	{
		["name"] = "Shiny Ingot",
		["id"] = "ThermalFoundation:material:69",
		["recipe"] = {
			"ThermalFoundation:material:101", "ThermalFoundation:material:101", "ThermalFoundation:material:101",
			"ThermalFoundation:material:101", "ThermalFoundation:material:101", "ThermalFoundation:material:101",
			"ThermalFoundation:material:101", "ThermalFoundation:material:101", "ThermalFoundation:material:101"
		}
	},
	
	{
		["name"] = "Shiny Block",
		["id"] = "ThermalFoundation:Storage:5",
		["recipe"] = {
			"ThermalFoundation:material:69", "ThermalFoundation:material:69", "ThermalFoundation:material:69",
			"ThermalFoundation:material:69", "ThermalFoundation:material:69", "ThermalFoundation:material:69",
			"ThermalFoundation:material:69", "ThermalFoundation:material:69", "ThermalFoundation:material:69"
		}
	},
	
	{
		["name"] = "Block of Redstone",
		["id"] = "minecraft:redstone_block:0",
		["recipe"] = {
			"minecraft:redstone:0", "minecraft:redstone:0", "minecraft:redstone:0",
			"minecraft:redstone:0", "minecraft:redstone:0", "minecraft:redstone:0",
			"minecraft:redstone:0", "minecraft:redstone:0", "minecraft:redstone:0"
		}
	},

	{
		["name"] = "Seeds",
		["id"] = "minecraft:wheat_seeds:0",
		["output"] = 2,
		["recipe"] = {
			"minecraft:wheat:0", "minecraft:wheat:0"
		}
	},

	{
		["name"] = "Gold Ingot",
		["id"] = "minecraft:gold_ingot:0",
		["recipe"] = {
			"minecraft:gold_nugget:0", "minecraft:gold_nugget:0", "minecraft:gold_nugget:0",
			"minecraft:gold_nugget:0", "minecraft:gold_nugget:0", "minecraft:gold_nugget:0",
			"minecraft:gold_nugget:0", "minecraft:gold_nugget:0", "minecraft:gold_nugget:0"
		}
	},

	{
		["name"] = "Block of Gold",
		["id"] = "minecraft:gold_block:0",
		["recipe"] = {
			"minecraft:gold_ingot:0", "minecraft:gold_ingot:0", "minecraft:gold_ingot:0",
			"minecraft:gold_ingot:0", "minecraft:gold_ingot:0", "minecraft:gold_ingot:0",
			"minecraft:gold_ingot:0", "minecraft:gold_ingot:0", "minecraft:gold_ingot:0"
		}
	},

	{
		["name"] = "Diamond",
		["id"] = "minecraft:diamond:0",
		["recipe"] = {
			"MagicBees:beeNugget:5", "MagicBees:beeNugget:5", "MagicBees:beeNugget:5",
			"MagicBees:beeNugget:5", "MagicBees:beeNugget:5", "MagicBees:beeNugget:5",
			"MagicBees:beeNugget:5", "MagicBees:beeNugget:5", "MagicBees:beeNugget:5"
		}
	},

	{
		["name"] = "Block of Diamond",
		["id"] = "minecraft:diamond_block:0",
		["recipe"] = {
			"minecraft:diamond:0", "minecraft:diamond:0", "minecraft:diamond:0",
			"minecraft:diamond:0", "minecraft:diamond:0", "minecraft:diamond:0",
			"minecraft:diamond:0", "minecraft:diamond:0", "minecraft:diamond:0"
		}
	},

	{
		["name"] = "Lapis Lazuli Block",
		["id"] = "minecraft:lapis_block:0",
		["recipe"] = {
			"minecraft:dye:4", "minecraft:dye:4", "minecraft:dye:4",
			"minecraft:dye:4", "minecraft:dye:4", "minecraft:dye:4",
			"minecraft:dye:4", "minecraft:dye:4", "minecraft:dye:4"
		}
	},

	{
		["name"] = "Block of Coal",
		["id"] = "minecraft:coal_block:0",
		["recipe"] = {
			"minecraft:coal:0", "minecraft:coal:0", "minecraft:coal:0",
			"minecraft:coal:0", "minecraft:coal:0", "minecraft:coal:0",
			"minecraft:coal:0", "minecraft:coal:0", "minecraft:coal:0"
		}
	},

	{
		["name"] = "Alveary",
		["id"] = "Forestry:alveary:0",
		["recipe"] = {
			"Forestry:craftingMaterial:6", "Forestry:craftingMaterial:6", "Forestry:craftingMaterial:6",
			"Forestry:craftingMaterial:6", "Forestry:impregnatedCasing:0", "Forestry:craftingMaterial:6",
			"Forestry:craftingMaterial:6", "Forestry:craftingMaterial:6", "Forestry:craftingMaterial:6"
		}
	},

	{
		["name"] = "Oak Wood Planks",
		["id"] = "minecraft:planks:0",
		["output"] = 4,
		["recipe"] = {
			"minecraft:log:0"
		}
	},

	{
		["name"] = "Dark Oak Wood Planks",
		["id"] = "minecraft:planks:5",
		["output"] = 4,
		["recipe"] = {
			"minecraft:log2:1"
		}
	},

	{
		["name"] = "Crafting Table",
		["id"] = "minecraft:crafting_table:0",
		["recipe"] = {
			"minecraft:planks:0", "minecraft:planks:0", nil,
			"minecraft:planks:0", "minecraft:planks:0"
		}
	},

	{
		["name"] = "Crafting Table",
		["id"] = "minecraft:crafting_table:0",
		["recipe"] = {
			"minecraft:planks:5", "minecraft:planks:5", nil,
			"minecraft:planks:5", "minecraft:planks:5"
		}
	},
	
	{
		["name"] = "Compressed Cobblestone",
		["id"] = "ExtraUtilities:cobblestone_compressed:0",
		["recipe"] = {
			"minecraft:cobblestone:0", "minecraft:cobblestone:0", "minecraft:cobblestone:0",
			"minecraft:cobblestone:0", "minecraft:cobblestone:0", "minecraft:cobblestone:0",
			"minecraft:cobblestone:0", "minecraft:cobblestone:0", "minecraft:cobblestone:0"
		}
	},
	
	{
		["name"] = "Double Compressed Cobblestone",
		["id"] = "ExtraUtilities:cobblestone_compressed:1",
		["recipe"] = {
			"ExtraUtilities:cobblestone_compressed:0", "ExtraUtilities:cobblestone_compressed:0", "ExtraUtilities:cobblestone_compressed:0",
			"ExtraUtilities:cobblestone_compressed:0", "ExtraUtilities:cobblestone_compressed:0", "ExtraUtilities:cobblestone_compressed:0",
			"ExtraUtilities:cobblestone_compressed:0", "ExtraUtilities:cobblestone_compressed:0", "ExtraUtilities:cobblestone_compressed:0"
		}
	},
	
	{
		["name"] = "Triple Compressed Cobblestone",
		["id"] = "ExtraUtilities:cobblestone_compressed:2",
		["recipe"] = {
			"ExtraUtilities:cobblestone_compressed:1", "ExtraUtilities:cobblestone_compressed:1", "ExtraUtilities:cobblestone_compressed:1",
			"ExtraUtilities:cobblestone_compressed:1", "ExtraUtilities:cobblestone_compressed:1", "ExtraUtilities:cobblestone_compressed:1",
			"ExtraUtilities:cobblestone_compressed:1", "ExtraUtilities:cobblestone_compressed:1", "ExtraUtilities:cobblestone_compressed:1"
		}
	},
	
	{
		["name"] = "Quadruple Compressed Cobblestone",
		["id"] = "ExtraUtilities:cobblestone_compressed:3",
		["recipe"] = {
			"ExtraUtilities:cobblestone_compressed:2", "ExtraUtilities:cobblestone_compressed:2", "ExtraUtilities:cobblestone_compressed:2",
			"ExtraUtilities:cobblestone_compressed:2", "ExtraUtilities:cobblestone_compressed:2", "ExtraUtilities:cobblestone_compressed:2",
			"ExtraUtilities:cobblestone_compressed:2", "ExtraUtilities:cobblestone_compressed:2", "ExtraUtilities:cobblestone_compressed:2"
		}
	},
	
	{
		["name"] = "Quintuple Compressed Cobblestone",
		["id"] = "ExtraUtilities:cobblestone_compressed:4",
		["recipe"] = {
			"ExtraUtilities:cobblestone_compressed:3", "ExtraUtilities:cobblestone_compressed:3", "ExtraUtilities:cobblestone_compressed:3",
			"ExtraUtilities:cobblestone_compressed:3", "ExtraUtilities:cobblestone_compressed:3", "ExtraUtilities:cobblestone_compressed:3",
			"ExtraUtilities:cobblestone_compressed:3", "ExtraUtilities:cobblestone_compressed:3", "ExtraUtilities:cobblestone_compressed:3"
		}
	},
	
	{
		["name"] = "Sextuple Compressed Cobblestone",
		["id"] = "ExtraUtilities:cobblestone_compressed:5",
		["recipe"] = {
			"ExtraUtilities:cobblestone_compressed:4", "ExtraUtilities:cobblestone_compressed:4", "ExtraUtilities:cobblestone_compressed:4",
			"ExtraUtilities:cobblestone_compressed:4", "ExtraUtilities:cobblestone_compressed:4", "ExtraUtilities:cobblestone_compressed:4",
			"ExtraUtilities:cobblestone_compressed:4", "ExtraUtilities:cobblestone_compressed:4", "ExtraUtilities:cobblestone_compressed:4"
		}
	},
	
	{
		["name"] = "Septuple Compressed Cobblestone",
		["id"] = "ExtraUtilities:cobblestone_compressed:6",
		["recipe"] = {
			"ExtraUtilities:cobblestone_compressed:5", "ExtraUtilities:cobblestone_compressed:5", "ExtraUtilities:cobblestone_compressed:5",
			"ExtraUtilities:cobblestone_compressed:5", "ExtraUtilities:cobblestone_compressed:5", "ExtraUtilities:cobblestone_compressed:5",
			"ExtraUtilities:cobblestone_compressed:5", "ExtraUtilities:cobblestone_compressed:5", "ExtraUtilities:cobblestone_compressed:5"
		}
	},
	
	{
		["name"] = "Octuple Compressed Cobblestone",
		["id"] = "ExtraUtilities:cobblestone_compressed:7",
		["recipe"] = {
			"ExtraUtilities:cobblestone_compressed:6", "ExtraUtilities:cobblestone_compressed:6", "ExtraUtilities:cobblestone_compressed:6",
			"ExtraUtilities:cobblestone_compressed:6", "ExtraUtilities:cobblestone_compressed:6", "ExtraUtilities:cobblestone_compressed:6",
			"ExtraUtilities:cobblestone_compressed:6", "ExtraUtilities:cobblestone_compressed:6", "ExtraUtilities:cobblestone_compressed:6"
		}
	},
	
	{
		["name"] = "White Petal Block",
		["id"] = "Botania:petalBlock:0",
		["recipe"] = {
			"Botania:petal:0", "Botania:petal:0", "Botania:petal:0",
			"Botania:petal:0", "Botania:petal:0", "Botania:petal:0",
			"Botania:petal:0", "Botania:petal:0", "Botania:petal:0"
		}
	},
	
	{
		["name"] = "Orange Petal Block",
		["id"] = "Botania:petalBlock:1",
		["recipe"] = {
			"Botania:petal:1", "Botania:petal:1", "Botania:petal:1",
			"Botania:petal:1", "Botania:petal:1", "Botania:petal:1",
			"Botania:petal:1", "Botania:petal:1", "Botania:petal:1"
		}
	},
	
	{
		["name"] = "Magenta Petal Block",
		["id"] = "Botania:petalBlock:2",
		["recipe"] = {
			"Botania:petal:2", "Botania:petal:2", "Botania:petal:2",
			"Botania:petal:2", "Botania:petal:2", "Botania:petal:2",
			"Botania:petal:2", "Botania:petal:2", "Botania:petal:2"
		}
	},
	
	{
		["name"] = "Light Blue Petal Block",
		["id"] = "Botania:petalBlock:3",
		["recipe"] = {
			"Botania:petal:3", "Botania:petal:3", "Botania:petal:3",
			"Botania:petal:3", "Botania:petal:3", "Botania:petal:3",
			"Botania:petal:3", "Botania:petal:3", "Botania:petal:3"
		}
	},
	
	{
		["name"] = "Yellow Petal Block",
		["id"] = "Botania:petalBlock:4",
		["recipe"] = {
			"Botania:petal:4", "Botania:petal:4", "Botania:petal:4",
			"Botania:petal:4", "Botania:petal:4", "Botania:petal:4",
			"Botania:petal:4", "Botania:petal:4", "Botania:petal:4"
		}
	},
	
	{
		["name"] = "Lime Petal Block",
		["id"] = "Botania:petalBlock:5",
		["recipe"] = {
			"Botania:petal:5", "Botania:petal:5", "Botania:petal:5",
			"Botania:petal:5", "Botania:petal:5", "Botania:petal:5",
			"Botania:petal:5", "Botania:petal:5", "Botania:petal:5"
		}
	},
	
	{
		["name"] = "Pink Petal Block",
		["id"] = "Botania:petalBlock:6",
		["recipe"] = {
			"Botania:petal:6", "Botania:petal:6", "Botania:petal:6",
			"Botania:petal:6", "Botania:petal:6", "Botania:petal:6",
			"Botania:petal:6", "Botania:petal:6", "Botania:petal:6"
		}
	},
	
	{
		["name"] = "Gray Petal Block",
		["id"] = "Botania:petalBlock:7",
		["recipe"] = {
			"Botania:petal:7", "Botania:petal:7", "Botania:petal:7",
			"Botania:petal:7", "Botania:petal:7", "Botania:petal:7",
			"Botania:petal:7", "Botania:petal:7", "Botania:petal:7"
		}
	},
	
	{
		["name"] = "Light Gray Petal Block",
		["id"] = "Botania:petalBlock:8",
		["recipe"] = {
			"Botania:petal:8", "Botania:petal:8", "Botania:petal:8",
			"Botania:petal:8", "Botania:petal:8", "Botania:petal:8",
			"Botania:petal:8", "Botania:petal:8", "Botania:petal:8"
		}
	},
	
	{
		["name"] = "Cyan Petal Block",
		["id"] = "Botania:petalBlock:9",
		["recipe"] = {
			"Botania:petal:9", "Botania:petal:9", "Botania:petal:9",
			"Botania:petal:9", "Botania:petal:9", "Botania:petal:9",
			"Botania:petal:9", "Botania:petal:9", "Botania:petal:9"
		}
	},
	
	{
		["name"] = "Purple Petal Block",
		["id"] = "Botania:petalBlock:10",
		["recipe"] = {
			"Botania:petal:10", "Botania:petal:10", "Botania:petal:10",
			"Botania:petal:10", "Botania:petal:10", "Botania:petal:10",
			"Botania:petal:10", "Botania:petal:10", "Botania:petal:10"
		}
	},
	
	{
		["name"] = "Blue Petal Block",
		["id"] = "Botania:petalBlock:11",
		["recipe"] = {
			"Botania:petal:11", "Botania:petal:11", "Botania:petal:11",
			"Botania:petal:11", "Botania:petal:11", "Botania:petal:11",
			"Botania:petal:11", "Botania:petal:11", "Botania:petal:11"
		}
	},
	
	{
		["name"] = "Brown Petal Block",
		["id"] = "Botania:petalBlock:12",
		["recipe"] = {
			"Botania:petal:12", "Botania:petal:12", "Botania:petal:12",
			"Botania:petal:12", "Botania:petal:12", "Botania:petal:12",
			"Botania:petal:12", "Botania:petal:12", "Botania:petal:12"
		}
	},
	
	{
		["name"] = "Green Petal Block",
		["id"] = "Botania:petalBlock:13",
		["recipe"] = {
			"Botania:petal:13", "Botania:petal:13", "Botania:petal:13",
			"Botania:petal:13", "Botania:petal:13", "Botania:petal:13",
			"Botania:petal:13", "Botania:petal:13", "Botania:petal:13"
		}
	},
	
	{
		["name"] = "Red Petal Block",
		["id"] = "Botania:petalBlock:14",
		["recipe"] = {
			"Botania:petal:14", "Botania:petal:14", "Botania:petal:14",
			"Botania:petal:14", "Botania:petal:14", "Botania:petal:14",
			"Botania:petal:14", "Botania:petal:14", "Botania:petal:14"
		}
	},
	
	{
		["name"] = "Black Petal Block",
		["id"] = "Botania:petalBlock:15",
		["recipe"] = {
			"Botania:petal:15", "Botania:petal:15", "Botania:petal:15",
			"Botania:petal:15", "Botania:petal:15", "Botania:petal:15",
			"Botania:petal:15", "Botania:petal:15", "Botania:petal:15"
		}
	},
}

for i = 1, #make do
	make[i].output = make[i].output or 1
	make[i].slotMax = make[i].slotMax or 64
end

-- Translation of recipe slots to turtle inventory slots.
local bench = {1, 2, 3, 5, 6, 7, 9, 10 ,11}

local function registerItem(slot, id, amount)
	if items[slot] then
		items[slot] = items[slot] + amount
		
		local ref = items[id]
		
		if ref then
			ref.amount = ref.amount + amount
			
			for i = 1, #ref do
				if ref[i] == slot then
					return
				end
			end
		end
		
		error("Attempt to register "..amount.." "..id.." in chest slot "..slot..", but it holds another item type.")
	else
		items[slot] = amount
		
		items.freeSlots = items.freeSlots - 1
		
		local ref = items[id]

		if ref then
			ref[#ref + 1] = slot
			ref.amount = ref.amount + amount
		else
			items[id] = {slot, ["amount"] = amount}
		end

		if slot == items.freeSlot then
			items.freeSlot = nil

			for i = 1, slots do
				if not items[i] then
					items.freeSlot = i
					break
				end
			end
		end
	end
end

local function readChestSlots()
	items = {["freeSlots"] = 0}
	
	for i = slots, 1, -1 do
		local stack = chest.getStackInSlot(i)
		
		if stack then
			registerItem(i, stack.id .. ":" .. stack.dmg, stack.qty)
		else
			items.freeSlot, items.freeSlots = i, items.freeSlots + 1
		end
	end
end

turtle.select(1)

while true do
	readChestSlots()
	
	-- Loop through all recipes in the database and attempt to craft them.
	for i = 1, #make do
		local crafted = true
		
		while crafted do
			crafted = false
		
			-- Eject anything the turtle's holding into the chest above.
			for j = 1, 16 do
				local item = turtle.getItemDetail(j)

				if item then
					local id, amount = item.name .. ":" .. item.damage, item.count

					-- Merge into whatever slots we can.
					if items[id] then
						local ref = items[id]

						for k = 1, #ref do
							if items[ref[k]] < 64 then
								local toPull = math.min(64 - items[ref[k]], amount)

								local pulled = chest.pullItemIntoSlot("down", j, toPull, ref[k])
								amount = amount - pulled
								if pulled > 0 then registerItem(ref[k], id, pulled) end

								if amount == 0 then break end
							end
						end
					end

					-- Use a free slot if we have to.
					while amount > 0 do
						if not items.freeSlot then error("Attempted to stash "..id..", but ran out of room in the chest!") end

						local pulled = chest.pullItemIntoSlot("down", j, amount, items.freeSlot)
						amount = amount - pulled
						if pulled > 0 then registerItem(items.freeSlot, id, pulled) end
						
						if amount > 0 then readChestSlots() end
					end
				end
			end

			-- Confirm whether we can craft the current recipe.
			-- First, how much of the recipe's output can we store?
			local item, maxCanStore, targetSlot = make[i], 0

			-- Is there a spare slot to stick things in?
			if items.freeSlot then
				maxCanStore, targetSlot = item.slotMax, items.freeSlot

			-- If not, will we be able to merge a stack?
			elseif items[item.id] then
				local list, lowest = items[item.id], item.slotMax

				for j = 1, #list do
					if items[list[j]] < lowest then
						lowest, targetSlot = items[list[j]], list[j]
					end
				end

				maxCanStore = item.slotMax - lowest
			end

			if maxCanStore > 0 then
				-- Have storage, but do we have ingrediants?
				local maxCanMake, resources = item.slotMax, {}

				-- Which ones do we need, and in what amounts?
				for j = 1, 9 do
					local part = item.recipe[j]

					if part then
						if not items[part] then
							maxCanMake = 0
							break
						end

						if resources[part] then
							resources[resources[part]] = resources[resources[part]] + 1
						else
							resources[part] = #resources + 1
							resources[resources[part]] = 1
						end

						if math.floor(items[part].amount / resources[resources[part]]) < maxCanMake then
							maxCanMake = math.floor(items[part].amount / resources[resources[part]])
						end
					end
				end

				local amount = math.min(math.floor(maxCanStore / item.output), maxCanMake)

				if amount > 0 then
					-- Let's craft some stuff!
					print("Crafting "..amount*item.output.." "..item.name..".")

					-- Gather the needed materials into the turtle's inventory.
					for j = 1, 9 do
						local part = item.recipe[j]

						if part then
							local needed = amount

							local slots = items[part]

							for k = #slots, 1, -1 do
								if needed < items[slots[k]] then
									chest.pushItemIntoSlot("down", slots[k], needed, bench[j])

									items[slots[k]] = items[slots[k]] - needed
									break
								else
									chest.pushItemIntoSlot("down", slots[k], items[slots[k]], bench[j])

									needed = needed - items[slots[k]]

									items[table.remove(slots, k)] = nil
									items.freeSlots = items.freeSlots + 1

									if needed == 0 then break end
								end
							end

							slots.amount = slots.amount - amount
						end
					end

					-- And then mash them together.
					crafted = turtle.craft()
				end
			end
		end
	end
	
	sleep(sleepSeconds)
end