local skin_selection =
   'formspec_version[3]'..
   'size[9,7]'..
   'textarea[.5,.5;8,2.5;;;Enter the number of the skin tone in the box below. This change is free, future changes will cost 500XP.]'..
   'image[1,3;7,1;gamer_skin_swatch.png]'..
   'field[1,5.5;2,1;tone;What skin tone would you like?;]'..
   'button_exit[3.5,5.5;2,1;exit;Close]'..
   'button_exit[6,5.5;2,1;save;Save]'..
   'tooltip[save;!!!You can only do this once!!!]'

local skin_selection_1 =
   'formspec_version[3]'..
   'size[9,7]'..
   'textarea[.5,.5;8,2.5;;;Enter the number of the skin tone in the box below. If you do not have 500XP you will not be able to change skin color.]'..
   'image[1,3;7,1;gamer_skin_swatch.png]'..
   'field[1,5.5;2,1;tone;What skin tone would you like?;]'..
   'button_exit[3.5,5.5;2,1;exit;Close]'..
   'button_exit[6,5.5;2,1;save;Save]'..
   'tooltip[save;!!!This will cost 500XP!!!]'

minetest.register_chatcommand('skin', {
   description = 'Change your skin.',
   privs = {server=true},
   func = function(name)
      local player = minetest.get_player_by_name(name)
      local player_attributes = player:get_meta()
      local tone = player_attributes:get_int('tone')
      print (tone)
      if tone == 0 or nil then
         minetest.show_formspec(name, 'gamer:skin_selection', skin_selection)
      else
         minetest.show_formspec(name, 'gamer:skin_selection_1', skin_selection_1)
      end
   end
})

minetest.register_on_player_receive_fields(function(player, formname, fields)
   local name = player:get_player_name()
   if formname == 'gamer:skin_selection' then
      if fields.save then
         local tone = tonumber(fields.tone)
         if tone >= 1 and tone <= 7 then
            local player_attributes = player:get_meta()
            local skin_col = 'gamer_skin_'..tone..'.png'
            player_attributes:set_int('tone', tone)
            gamer.player_set_textures(player, {skin_col})
            minetest.chat_send_player(name, 'Skin tone updated!')
            gamer.save_skins()
         else
            minetest.chat_send_player(name, 'Select a valid skin tone.')
         end
      end
   elseif formname == 'gamer:skin_selection_1' then
      if fields.save then
         local tone = tonumber(fields.tone)
         if tone >= 1 and tone <= 7 then
            if lobby.take_xp(player, 500) then
               local player_attributes = player:get_meta()
               local skin_col = 'gamer_skin_'..tone..'.png'
               player_attributes:set_int('tone', tone)
               gamer.player_set_textures(player, {skin_col})
               minetest.chat_send_player(name, 'Skin tone updated!')
               gamer.save_skins()
            else
               minetest.chat_send_player(name, 'Sorry, you need more XP.')
            end
         else
            minetest.chat_send_player(name, 'Select a valid skin tone.')
         end
      end
   end
end)