//This function is called just before the players level changes
void OnPlayerLevelChanged(Player* player, uint8 oldLevel, uint8 newLevel)
{
	// Define newlevel, trainderID, teamID
	uint32 newlevel = newLevel;
	uint32 trainerID;
	uint32 teamID = player->GetTeamId();
	// Select the correct trainer for class and faction
	switch (player->getClass())
	{
	case CLASS_WARRIOR:
		if (teamID == TEAM_ALLIANCE)
		{
			trainerID = 17504;
		} else
			trainerID = 985;
		break;
	case CLASS_ROGUE:
		if (teamID == TEAM_ALLIANCE)
		{
			trainerID = 13283;
		}
		else
			trainerID = 3401;
		break;
	case CLASS_SHAMAN:
		if (teamID == TEAM_ALLIANCE)
		{
			trainerID = 20407;
		}
		else
			trainerID = 13417;
		break;
	case CLASS_PRIEST:
		if (teamID == TEAM_ALLIANCE)
		{
			trainerID = 11406;
		}
		else
			trainerID = 16658;
		break;
	case CLASS_MAGE:
		if (teamID == TEAM_ALLIANCE)
		{
			trainerID = 7312;
		}
		else
			trainerID = 16653;
		break;
	case CLASS_WARLOCK:
		if (teamID == TEAM_ALLIANCE)
		{
			trainerID = 5172;
		}
		else
			trainerID = 16648;
		break;
	case CLASS_HUNTER:
		if (teamID == TEAM_ALLIANCE)
		{
			trainerID = 5516;
		}
		else
		trainerID = 3039;
		break;
	case CLASS_DRUID:
		if (teamID == TEAM_ALLIANCE)
		{
			trainerID = 5504;
		}
		else
			trainerID = 16655;
		break;
	case CLASS_PALADIN:
		if (teamID == TEAM_ALLIANCE)
		{
			trainerID = 20407;
		}
		else
			trainerID = 16681;
		break;
	}

	QueryResult_AutoPtr result = WorldDatabase.PQuery("SELECT spell FROM npc_trainer WHERE reqlevel BETWEEN 1 AND %i AND entry = %i", newlevel, trainerID);

	if (!result)
	{
		return;
	}

	do
	{
		Field* fields = result->Fetch();

		uint32 spellID = fields[0].GetUInt32();

		SpellEntry const* spellInfo = sSpellStore.LookupEntry(spellID);

		if (!spellInfo)
			continue;

		// skip wrong class/race skills
		if (!player->IsSpellFitByClassAndRace(spellInfo->Id))
			continue;

		// Skip known spells
		if (player->HasSpell(spellInfo->Id))
			continue;

		// skip spells with first rank learned as talent (and all talents then also)
		if (GetTalentSpellCost(sSpellMgr.GetFirstSpellInChain(spellInfo->Id)) > 0)
			continue;

		// skip broken spells
		if (!SpellMgr::IsSpellValid(spellInfo, player, false))
			continue;

		player->LearnSpell(spellInfo->Id);
	} while (result->NextRow());

	return;
}