--[[
    Late library for Minetest - Library adding temporary effects.
    (c) Pierre-Yves Rollo

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
--]]

-- Integration with 3D armor
if minetest.global_exists("armor") then
	print("[late] Integration with 3D Armors")

	-- Item equipment. May trigger an effect
	armor:register_on_equip(function(player, index, stack)
		late.set_equip_effect(player, stack:get_name())
	end)

	-- Overload is_equiped function to include armor inventory
	-- TODO: Overloading process could be more elegant
	local is_equiped_old = late.is_equiped
	late.is_equiped = function(target, item_name)
			if is_equiped_old(target, item_name) then return true end

			-- Check only for players
			if target.is_player and target:is_player() then
				local inv = minetest.get_inventory({ type="detached",
					name= target:get_player_name().."_armor" })
				if inv then
					local list = inv:get_list("armor")
					if list then
						for _, stack in pairs(list) do
							if stack:get_name() == item_name then
								return true
							end
						end
					end
				end
			end

			return false
		end

	-- In case of armor update, inform texture impact that base texture has changed
	armor:register_on_update(function(player)
			local data = late.get_storage_for_target(player)
			if data.impacts and data.impacts['texture'] then
				local impact_type = late.get_impact_type('player', 'texture')
				data.impacts['texture'].vars.initial_textures = nil
				-- TODO: add impact_type as metatable of impacts?
				impact_type.update(data.impacts['texture'])
			end
		end)

end