-- Copyright (C) 2021 Sandro Del Toro De Ana

-- This file is part of Pvpinvul Minetest Mod.

-- Pvpinvul 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
-- any later version.

-- Pvpinvul 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 Pvpinvul.  If not, see <https://www.gnu.org/licenses/>.




-- Load support for MT game translation.
-- Check for translation method
local S
if minetest.get_translator ~= nil then
	S = minetest.get_translator(core.get_current_modname()) -- 5.x translation function
else
	if minetest.get_modpath("intllib") then
		dofile(minetest.get_modpath("intllib") .. "/init.lua")
		if intllib.make_gettext_pair then
			gettext, ngettext = intllib.make_gettext_pair() -- new gettext method
		else
			gettext = intllib.Getter() -- old text file method
		end
		S = gettext
	else -- boilerplate function
		S = function(str, ...)
			local args = {...}
			return str:gsub("@%d+", function(match)
				return args[tonumber(match:sub(2))]
			end)
		end
	end
end

local kill_hitter = core.settings:get_bool("pvpinvul_kill_hitter") or false

local admin_privs = core.settings:get_bool("pvpinvul_admin_privs") or true

-- compat with irc mod fork
if core.get_modpath("irc") then
   if irc.saysec == nil then
      irc.saysec = irc.say
   end
end

-- priv
core.register_privilege("pvpinvul", {
   description = S("Invulnerable in PVP"),
   give_to_singleplayer = false
   if admin_privs then
       give_to_admin = true
   end
})


core.register_on_punchplayer(
   function(player, hitter, time_from_last_punch, tool_capabilities, dir, damage)

      -- only in pvp
      if not hitter:is_player() or not player:is_player() then
	 return
      end
      
      local player_name = player:get_player_name()
      local hitter_name = hitter:get_player_name()
      local player_invul = core.check_player_privs(player_name, {pvpinvul=true})
      local hitter_invul = core.check_player_privs(hitter_name, {pvpinvul=true})
      
      if player_invul then
	 if kill_hitter and not hitter_invul then
	    hitter:set_hp(0)
	 end
	 core.chat_send_player(hitter_name, S("You can not hurt a God") )
	 core.chat_send_player(player_name, S("@1 try hurt you", hitter_name) )
	 if core.get_modpath("irc") then
	    irc.saysec(player_name, hitter_name.." try hurt to "..player_name)
	 end
	 return true
      end
      
   end
)