--[[

	TechAge
	=======

	Copyright (C) 2019-2020 Joachim Stolberg

	AGPL v3
	See LICENSE.txt for more information

	Tube support for default chests and furnace

]]--

local OwnerCache = {
}

-- Check if the chest is in the protected area of the owner
local function is_owner(pos, meta)
	local owner = meta:get_string("owner")
	local key = minetest.hash_node_position(pos)
	-- If successfull, store info in cache
	if OwnerCache[key] ~= owner then
		if not minetest.is_protected(pos, owner) then
			OwnerCache[key] = owner
		end
	end
	return OwnerCache[key] == owner
end


techage.register_node({"default:chest", "default:chest_open"}, {
	on_inv_request = function(pos, in_dir, access_type)
		local meta = minetest.get_meta(pos)
		return meta:get_inventory(), "main"
	end,
	on_pull_item = function(pos, in_dir, num)
		local meta = minetest.get_meta(pos)
		local inv = meta:get_inventory()
		return techage.get_items(pos, inv, "main", num)
	end,
	on_push_item = function(pos, in_dir, stack)
		local meta = minetest.get_meta(pos)
		local inv = meta:get_inventory()
		return techage.put_items(inv, "main", stack)
	end,
	on_unpull_item = function(pos, in_dir, stack)
		local meta = minetest.get_meta(pos)
		local inv = meta:get_inventory()
		return techage.put_items(inv, "main", stack)
	end,
})

techage.register_node({"default:chest_locked", "default:chest_locked_open"}, {
	on_inv_request = function(pos, in_dir, access_type)
		local meta = minetest.get_meta(pos)
		if is_owner(pos, meta) then
			return meta:get_inventory(), "main"
		end
	end,
	on_pull_item = function(pos, in_dir, num)
		local meta = minetest.get_meta(pos)
		if is_owner(pos, meta) then
			local inv = meta:get_inventory()
			return techage.get_items(pos, inv, "main", num)
		end
	end,
	on_push_item = function(pos, in_dir, stack)
		local meta = minetest.get_meta(pos)
		local inv = meta:get_inventory()
		return techage.put_items(inv, "main", stack)
	end,
	on_unpull_item = function(pos, in_dir, stack)
		local meta = minetest.get_meta(pos)
		local inv = meta:get_inventory()
		return techage.put_items(inv, "main", stack)
	end,
})

techage.register_node({"shop:shop"}, {
	on_inv_request = function(pos, in_dir, access_type)
		local meta = minetest.get_meta(pos)
		if is_owner(pos, meta) then
			if access_type == "push" then
				return meta:get_inventory(), "stock"
			elseif access_type == "pull" then
				return meta:get_inventory(), "register"
			end
		end
	end,
	on_pull_item = function(pos, in_dir, num)
		local meta = minetest.get_meta(pos)
		if is_owner(pos, meta) then
			local inv = meta:get_inventory()
			return techage.get_items(pos, inv, "register", num)
		end
	end,
	on_push_item = function(pos, in_dir, stack)
		local meta = minetest.get_meta(pos)
		local inv = meta:get_inventory()
		return techage.put_items(inv, "stock", stack)
	end,
	on_unpull_item = function(pos, in_dir, stack)
		local meta = minetest.get_meta(pos)
		local inv = meta:get_inventory()
		return techage.put_items(inv, "register", stack)
	end,
})

techage.register_node({"default:furnace", "default:furnace_active"}, {
	on_pull_item = function(pos, in_dir, num)
		local meta = minetest.get_meta(pos)
		local inv = meta:get_inventory()
		return techage.get_items(pos, inv, "dst", num)
	end,
	on_push_item = function(pos, in_dir, stack)
		local meta = minetest.get_meta(pos)
		local inv = meta:get_inventory()
		minetest.get_node_timer(pos):start(1.0)
		if in_dir == 5 then
			return techage.put_items(inv, "src", stack)
		elseif minetest.get_craft_result({method="fuel", width=1, items={stack}}).time ~= 0 then
			return techage.put_items(inv, "fuel", stack)
		else
			return techage.put_items(inv, "src", stack)
		end
	end,
	on_unpull_item = function(pos, in_dir, stack)
		local meta = minetest.get_meta(pos)
		local inv = meta:get_inventory()
		return techage.put_items(inv, "dst", stack)
	end,
})

techage.register_node({"mobs:beehive"}, {
	on_pull_item = function(pos, in_dir, num)
		local meta = minetest.get_meta(pos)
		local inv = meta:get_inventory()
		return techage.get_items(pos, inv, "beehive", num)
	end,
	on_unpull_item = function(pos, in_dir, stack)
		local meta = minetest.get_meta(pos)
		local inv = meta:get_inventory()
		return techage.put_items(inv, "beehive", stack)
	end,
})

techage.register_node({"xdecor:hive"}, {
	on_pull_item = function(pos, in_dir, num)
		local meta = minetest.get_meta(pos)
		local inv = meta:get_inventory()
		return techage.get_items(pos, inv, "honey", num)
	end,
	on_unpull_item = function(pos, in_dir, stack)
		local meta = minetest.get_meta(pos)
		local inv = meta:get_inventory()
		return techage.put_items(inv, "honey", stack)
	end,
})