-- see elepower_papi >> external_nodes_items.lua for explanation
-- shorten table ref
local epr = ele.external.ref 
local epi = ele.external.ing

----------------
-- Craftitems --
----------------

-- Ingots

minetest.register_craftitem("elepower_dynamics:lead_ingot", {
	description = "Lead Ingot",
	inventory_image = "elepower_lead_ingot.png",
	groups = {lead = 1, ingot = 1}
})

minetest.register_craftitem("elepower_dynamics:iron_ingot", {
	description = "Iron Ingot",
	inventory_image = "elepower_iron_ingot.png",
	groups = {iron = 1, ingot = 1}
})

minetest.register_craftitem("elepower_dynamics:nickel_ingot", {
	description = "Nickel Ingot",
	inventory_image = "elepower_nickel_ingot.png",
	groups = {nickel = 1, ingot = 1}
})

minetest.register_craftitem("elepower_dynamics:invar_ingot", {
	description = "Invar Ingot",
	inventory_image = "elepower_invar_ingot.png",
	groups = {invar = 1, ingot = 1}
})

minetest.register_craftitem("elepower_dynamics:electrum_ingot", {
	description = "Electrum Ingot",
	inventory_image = "elepower_electrum_ingot.png",
	groups = {electrum = 1, ingot = 1}
})

minetest.register_craftitem("elepower_dynamics:viridisium_ingot", {
	description = "Viridisium Ingot",
	inventory_image = "elepower_viridisium_ingot.png",
	groups = {viridisium = 1, ingot = 1}
})

minetest.register_craftitem("elepower_dynamics:zinc_ingot", {
	description = "Zinc Ingot",
	inventory_image = "elepower_zinc_ingot.png",
	groups = {zinc = 1, ingot = 1}
})

minetest.register_craftitem("elepower_dynamics:graphite_ingot", {
	description = "Graphite Ingot",
	inventory_image = "elepower_graphite_ingot.png",
	groups = {graphite = 1, ingot = 1}
})

-- Lumps

minetest.register_craftitem("elepower_dynamics:lead_lump", {
	description = "Lead Lump",
	inventory_image = "elepower_lead_lump.png",
	groups = {lead = 1, lump = 1}
})

minetest.register_craftitem("elepower_dynamics:nickel_lump", {
	description = "Nickel Lump",
	inventory_image = "elepower_nickel_lump.png",
	groups = {nickel = 1, lump = 1}
})

minetest.register_craftitem("elepower_dynamics:viridisium_lump", {
	description = "Viridisium Lump",
	inventory_image = "elepower_viridisium_lump.png",
	groups = {viridisium = 1, lump = 1}
})

minetest.register_craftitem("elepower_dynamics:zinc_lump", {
	description = "Zinc Lump",
	inventory_image = "elepower_zinc_lump.png",
	groups = {zinc = 1, lump = 1}
})

minetest.register_craftitem("elepower_dynamics:xycrone_lump", {
	description = "Xycrone\nUsed for Quantum Entanglement\nUnstable",
	inventory_image = "elepower_xycrone.png",
	groups = {xycrone = 1, lump = 1}
})

-- Special

minetest.register_craftitem("elepower_dynamics:graphite_rod", {
	description = "Graphite Rod",
	inventory_image = "elepower_graphite_rod.png",
	groups = {graphite = 1, rod = 1}
})

minetest.register_craftitem("elepower_dynamics:carbon_fiber", {
	description = "Carbon Fibers",
	inventory_image = "elepower_carbon_fiber.png",
	groups = {carbon_fiber = 1}
})

minetest.register_craftitem("elepower_dynamics:carbon_sheet", {
	description = "Carbon Fiber Sheet",
	inventory_image = "elepower_carbon_fiber_sheet.png",
	groups = {carbon_fiber_sheet = 1, sheet = 1}
})

minetest.register_craftitem("elepower_dynamics:silicon_wafer", {
	description = "Silicon Wafer",
	inventory_image = "elepower_silicon_wafer.png",
	groups = {wafer = 1}
})

minetest.register_craftitem("elepower_dynamics:silicon_wafer_doped", {
	description = "Doped Silicon Wafer",
	inventory_image = "elepower_silicon_wafer_solar.png",
	groups = {wafer = 2}
})

minetest.register_craftitem("elepower_dynamics:tree_tap", {
	description = "Steel Treetap",
	inventory_image = "elepower_tree_tap.png",
	groups = {treetap = 1, static_component = 1}
})

minetest.register_craftitem("elepower_dynamics:tin_can", {
	description = "Tin Can",
	inventory_image = "elepower_tin_can.png",
	groups = {can = 1, food_grade = 1}
})

minetest.register_craftitem("elepower_dynamics:pcb_blank", {
	description = "Printed Circuit Board (PCB) Blank\nUse Etching Acid to etch",
	inventory_image = "elepower_blank_pcb.png",
	liquids_pointable = true,
	groups = {blank_board = 1, static_component = 1},
	on_place = function (itemstack, placer, pointed_thing)
		local pos = pointed_thing.under
		if not pos or pointed_thing.type ~= "node" then return itemstack end

		local node = minetest.get_node_or_nil(pos)
		if not node or node.name ~= "elepower_dynamics:etching_acid_source" then
			return itemstack
		end

		local istack = itemstack:get_name()
		if not placer or placer:get_player_name() == "" then
			return itemstack
		end

		local out  = ItemStack("elepower_dynamics:pcb")
		local inv  = placer:get_inventory()
		local meta = minetest.get_meta(pos)
		local uses = meta:get_int("uses")

		uses = uses + 1
		itemstack:take_item(1)

		if inv:room_for_item("main", out) then
			inv:add_item("main", out)
		else
			minetest.item_drop(out, placer, pos)
		end

		-- Limited etchings
		if uses == 10 then
			minetest.set_node(pos, {name = epr.water_source})
		else
			meta:set_int("uses", uses)
		end

		return itemstack
	end
})

minetest.register_craftitem("elepower_dynamics:pcb", {
	description = "Printed Circuit Board (PCB)",
	inventory_image = "elepower_pcb.png",
	groups = {pcb = 1, static_component = 1}
})

minetest.register_craftitem("elepower_dynamics:acidic_compound", {
	description = "Acidic Compound\nRight-Click on Water to turn it into Etching Acid",
	inventory_image = "elepower_acidic_compound.png",
	liquids_pointable = true,
	groups = {acid = 1, static_component = 1},
	on_place = function (itemstack, placer, pointed_thing)
		local pos  = pointed_thing.under
		local node = minetest.get_node(pos)
		
		if node.name ~= epr.water_source then
			return itemstack
		end

		minetest.set_node(pos, {name = "elepower_dynamics:etching_acid_source"})
		itemstack:take_item(1)

		return itemstack
	end,
})

-- Electronics

minetest.register_craftitem("elepower_dynamics:wound_copper_coil", {
	description = "Wound Copper Coil\nTier 1 Coil",
	inventory_image = "elepower_copper_coil.png",
	groups = {copper = 1, coil = 1, component = 1}
})

minetest.register_craftitem("elepower_dynamics:wound_silver_coil", {
	description = "Wound Silver Coil\nTier 2 Coil",
	inventory_image = "elepower_silver_coil.png",
	groups = {silver = 1, coil = 1, component = 1}
})

minetest.register_craftitem("elepower_dynamics:induction_coil", {
	description = "Induction Coil\nTier 3 Coil",
	inventory_image = "elepower_induction_coil.png",
	groups = {induction_coil = 1, component = 1}
})

minetest.register_craftitem("elepower_dynamics:induction_coil_advanced", {
	description = "Advanced Induction Coil\nSuitable for high-power applications\nTier 4 Coil",
	inventory_image = "elepower_induction_coil_advanced.png",
	groups = {induction_coil = 1, component = 1}
})

minetest.register_craftitem("elepower_dynamics:chip", {
	description = "Chip\nTier 1 Chip",
	inventory_image = "elepower_chip.png",
	groups = {chip = 1, component = 1}
})

minetest.register_craftitem("elepower_dynamics:microcontroller", {
	description = "Microcontroller\nTier 2 Chip",
	inventory_image = "elepower_microcontroller.png",
	groups = {chip = 2, component = 1}
})

minetest.register_craftitem("elepower_dynamics:soc", {
	description = "System on a Chip (SoC)\nTier 3 Chip",
	inventory_image = "elepower_soc.png",
	groups = {chip = 3, component = 1}
})

minetest.register_craftitem("elepower_dynamics:capacitor", {
	description = "Capacitor\nTier 1 Capacitor",
	inventory_image = "elepower_capacitor.png",
	groups = {capacitor = 1, component = 1}
})

minetest.register_craftitem("elepower_dynamics:uv_bulb", {
	description = "Ultraviolet Light Bulb",
	inventory_image = "elepower_uv_bulb.png",
	groups = {component = 1, bulb = 1}
})

-- Assembled Components

minetest.register_craftitem("elepower_dynamics:battery", {
	description = "Battery",
	inventory_image = "elepower_battery.png",
	groups = {battery = 1, component = 1}
})

minetest.register_craftitem("elepower_dynamics:servo_valve", {
	description = "Servo Valve",
	inventory_image = "elepower_servo_valve.png",
	groups = {servo_valve = 1, assembled_component = 1}
})

minetest.register_craftitem("elepower_dynamics:integrated_circuit", {
	description = "Integrated Circuit\nTier 1 Circuit",
	inventory_image = "elepower_ic.png",
	groups = {circuit = 1, assembled_component = 1}
})

minetest.register_craftitem("elepower_dynamics:control_circuit", {
	description = "Integrated Control Circuit\nTier 2 Circuit",
	inventory_image = "elepower_ic_2.png",
	groups = {circuit = 2, assembled_component = 1, control_circuit = 1}
})

minetest.register_craftitem("elepower_dynamics:micro_circuit", {
	description = "Microcontroller Circuit\nTier 3 Circuit",
	inventory_image = "elepower_ic_3.png",
	groups = {circuit = 3, assembled_component = 1, control_circuit = 2}
})

minetest.register_craftitem("elepower_dynamics:lcd_panel", {
	description = "LCD Panel",
	inventory_image = "elepower_lcd_panel.png",
	groups = {lcd = 1, assembled_component = 1}
})

minetest.register_craftitem("elepower_dynamics:pv_cell", {
	description = "Photovoltaic Cell",
	inventory_image = "elepower_pv_cell.png",
	groups = {pv = 1, assembled_component = 1}
})

---------------
-- Overrides --
---------------

minetest.override_item(epi.steel_ingot, {
	description = "Low Carbon Steel Ingot"
})