local Craft  = require('milo.craft2')
local Milo   = require('milo')
local Sound  = require('opus.sound')
local Util   = require('opus.util')

local context = Milo:getContext()

local craftTask = {
	name = 'crafting',
	priority = 70,
}

function craftTask:craft(recipe, item)
	if Milo:isCraftingPaused() then
		return
	end

	-- create a mini-list of items that are required for this recipe
	item.ingredients = Craft.getResourceList(
		recipe, Milo:listItems(), item.requested - item.crafted, item.pending)

	for k,v in pairs(item.ingredients) do
		if item.pending[k] then
			v.status = 'processing'
			v.statusCode = Craft.STATUS_INFO
		end
	end

	for k, v in pairs(item.ingredients) do
		v.crafted = v.used
		v.count = v.used
		v.key = k
		if v.need > 0 then
			v.status = 'No recipe'
			v.statusCode = Craft.STATUS_ERROR
		end
	end
	item.ingredients[recipe.result] = item
	item.ingredients[recipe.result].total = item.count
	item.ingredients[recipe.result].crafted = item.crafted

	Craft.craftRecipe(recipe, item.requested - item.crafted, context.storage, item)
end

function craftTask:cycle()
	for _,item in pairs(context.craftingQueue) do
		Craft.processPending(item, context.storage)
	end

	context.storage.activity = { }

	for _,key in pairs(Util.keys(context.craftingQueue)) do
		local item = context.craftingQueue[key]
		if item.requested - item.crafted > 0 then
			local recipe = Craft.findRecipe(key)
			if recipe then

				if not item.notified then
					Sound.play('block.end_portal_frame.fill')
					item.notified = true
				end

				self:craft(recipe, item)

			else
				item.status = '(no recipe)'
				item.statusCode = Craft.STATUS_ERROR
				item.crafted = 0
			end
		end

		if item.crafted >= item.requested then
			item.status = 'crafted'
			item.statusCode = Craft.STATUS_SUCCESS
			if item.callback then
				item.callback(item) -- invoke callback
			end
		end
	end
end

Milo:registerTask(craftTask)