local lockedDoors = {
	1628, 1631, 1650, 1653, 1668, 1671, 1682, 1691, 5006, 5007, 5097
}

local closedNormalDoors = {
	[1629] = 1630,
	[1632] = 1633,
	[1638] = 1639,
	[1640] = 1641,
	[1651] = 1652,
	[1654] = 1655,
	[1656] = 1657,
	[1658] = 1659,
	[1669] = 1670,
	[1672] = 1673,
	[1683] = 1684,
	[1685] = 1686,
	[1692] = 1693,
	[1694] = 1695,
	[4912] = 4911,
	[4913] = 4914,
	[5082] = 5083,
	[5084] = 5085,
	[2177] = 2178,
	[2179] = 2180,
	[5098] = 5099,
}

local openVerticalDoors = {
	[1630] = 1629,
	[1639] = 1638,
	[1643] = 1642,
	[1647] = 1646,
	[1652] = 1651,
	[1657] = 1656,
	[1661] = 1660,
	[1665] = 1664,
	[1670] = 1669,
	[1675] = 1674,
	[1679] = 1678,
	[1693] = 1692,
	[1695] = 1694,
	[1697] = 1696,
	[1699] = 1698,
	[4914] = 4913,
	[5083] = 5082,
	[2178] = 2177,
}

local openHorizontalDoors = {
	[1633] = 1632,
	[1641] = 1640,
	[1645] = 1644,
	[1649] = 1648,
	[1655] = 1654,
	[1659] = 1658,
	[1663] = 1662,
	[1667] = 1666,
	[1673] = 1672,
	[1677] = 1676,
	[1681] = 1680,
	[1684] = 1683,
	[1686] = 1685,
	[1688] = 1687,
	[1690] = 1689,
	[4911] = 4912,
	[5085] = 5084,
	[2180] = 2179,
	[5099] = 5098,
}

local levelDoors = {
	[1646] = 1647,
	[1648] = 1649,
	[1664] = 1665,
	[1666] = 1667,
	[1678] = 1679,
	[1680] = 1681,
	[1687] = 1688,
	[1696] = 1697,
}

local questDoors = {
	[1642] = 1643,
	[1644] = 1645,
	[1660] = 1661,
	[1662] = 1663,
	[1674] = 1675,
	[1676] = 1677,
	[1689] = 1690,
	[1698] = 1699,
}

local passthrough = {
	[2334] = 2335,
	[2335] = 2334,
	[2336] = 2337,
	[2337] = 2336,
	[2338] = 2339,
	[2339] = 2338,
	[2340] = 2341,
	[2341] = 2340,
}

function onUse(player, item, fromPosition, target, toPosition)
	if table.contains(lockedDoors, item:getId()) then
		player:sendTextMessage(MESSAGE_INFO_DESCR, "It is locked.")
		return true
	end
	
	local door = closedNormalDoors[item:getId()]
	if door then
		item:transform(door, 1)
		item:decay()
		return true
	end
	
	door = openVerticalDoors[item:getId()]
	if door then
		local doorCreature = Tile(item:getPosition()):getTopCreature()
		if doorCreature then
			doorCreature:teleportTo(item:getPosition():moveRel(1, 0, 0), true)
		end
		item:transform(door, 1)
		item:decay()
		return true
	end
	
	door = openHorizontalDoors[item:getId()]
	if door then
		local doorCreature = Tile(item:getPosition()):getTopCreature()
		if doorCreature then
			doorCreature:teleportTo(item:getPosition():moveRel(0, 1, 0), true)
		end
		item:transform(door, 1)
		item:decay()
		return true
	end
	
	door = levelDoors[item:getId()]
	if door then
		if player:getLevel() < item:getAttribute(ITEM_ATTRIBUTE_DOORLEVEL) then
			player:sendTextMessage(MESSAGE_INFO_DESCR, item:getType():getDescription() .. ".")
			return true
		end
		
		player:teleportTo(item:getPosition(), true)
		item:transform(door, 1)
		item:decay()
		return true
	end
	
	door = questDoors[item:getId()]
	if door then
		local questNumber = item:getAttribute(ITEM_ATTRIBUTE_DOORQUESTNUMBER)
		local questValue = item:getAttribute(ITEM_ATTRIBUTE_DOORQUESTVALUE)
		if questNumber > 0 then
			if player:getStorageValue(questNumber) ~= questValue then
				player:sendTextMessage(MESSAGE_INFO_DESCR, "The door seems to be sealed against unwanted intruders.")
				return true
			end
		end
		
		player:teleportTo(item:getPosition(), true)
		item:transform(door, 1)
		item:decay()
		return true
	end
	
	door = passthrough[item:getId()]
	if door then
		item:transform(door, 1)
		item:decay()
		return true
	end
	return true
end