package com.Acrobot.ChestShop.Signs;
import com.Acrobot.Breeze.Utils.BlockUtil;
import com.Acrobot.ChestShop.Configuration.Messages;
import com.Acrobot.ChestShop.Events.PreTransactionEvent;
import com.Acrobot.ChestShop.Permission;
import org.bukkit.Location;
import org.bukkit.block.Block;
import org.bukkit.block.BlockFace;
import org.bukkit.block.Sign;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.EventPriority;
import org.bukkit.event.Listener;
import org.bukkit.event.block.BlockBreakEvent;
import org.bukkit.event.block.SignChangeEvent;
import static com.Acrobot.ChestShop.Events.PreTransactionEvent.TransactionOutcome.SHOP_IS_RESTRICTED;
import static com.Acrobot.ChestShop.Permission.ADMIN;
/**
* @author Acrobot
*/
public class RestrictedSign implements Listener {
private static final BlockFace[] SIGN_CONNECTION_FACES = {BlockFace.SELF, BlockFace.UP, BlockFace.EAST, BlockFace.WEST, BlockFace.NORTH, BlockFace.SOUTH};
@EventHandler(ignoreCancelled = true)
public static void onBlockDestroy(BlockBreakEvent event) {
Block destroyed = event.getBlock();
Sign attachedRestrictedSign = getRestrictedSign(destroyed.getLocation());
if (attachedRestrictedSign == null) {
return;
}
if (!canDestroy(event.getPlayer(), attachedRestrictedSign)) {
event.setCancelled(true);
}
}
@EventHandler(priority = EventPriority.LOW, ignoreCancelled = true)
public static void onSignChange(SignChangeEvent event) {
String[] lines = event.getLines();
Player player = event.getPlayer();
if (isRestricted(lines)) {
if (!hasPermission(player, lines)) {
player.sendMessage(Messages.prefix(Messages.ACCESS_DENIED));
dropSignAndCancelEvent(event);
return;
}
Block connectedSign = event.getBlock().getRelative(BlockFace.DOWN);
if (!Permission.has(player, ADMIN) || !ChestShopSign.isValid(connectedSign)) {
dropSignAndCancelEvent(event);
return;
}
Sign sign = (Sign) connectedSign.getState();
if (!ChestShopSign.canAccess(player, sign) && !Permission.has(player, ADMIN)) {
dropSignAndCancelEvent(event);
}
player.sendMessage(Messages.prefix(Messages.RESTRICTED_SIGN_CREATED));
}
}
@EventHandler(priority = EventPriority.LOW)
public static void onPreTransaction(PreTransactionEvent event) {
if (event.isCancelled()) {
return;
}
Sign sign = event.getSign();
if (isRestrictedShop(sign) && !canAccess(sign, event.getClient())) {
event.setCancelled(SHOP_IS_RESTRICTED);
}
}
public static Sign getRestrictedSign(Location location) {
Block currentBlock = location.getBlock();
if (BlockUtil.isSign(currentBlock)) {
Sign sign = (Sign) currentBlock.getState();
if (isRestricted(sign)) {
return sign;
} else {
return null;
}
}
for (BlockFace face : SIGN_CONNECTION_FACES) {
Block relative = currentBlock.getRelative(face);
if (!BlockUtil.isSign(relative)) {
continue;
}
Sign sign = (Sign) relative.getState();
if (!BlockUtil.getAttachedBlock(sign).equals(currentBlock)) {
continue;
}
if (isRestricted(sign)) {
return sign;
}
}
return null; //No sign found
}
public static boolean isRestrictedShop(Sign sign) {
Block blockUp = sign.getBlock().getRelative(BlockFace.UP);
return BlockUtil.isSign(blockUp) && isRestricted(((Sign) blockUp.getState()).getLines());
}
public static boolean isRestricted(String[] lines) {
return lines[0].equalsIgnoreCase("[restricted]");
}
public static boolean isRestricted(Sign sign) {
return isRestricted(sign.getLines());
}
public static boolean canAccess(Sign sign, Player player) {
Block blockUp = sign.getBlock().getRelative(BlockFace.UP);
return !BlockUtil.isSign(blockUp) || hasPermission(player, ((Sign) blockUp.getState()).getLines());
}
public static boolean canDestroy(Player player, Sign sign) {
if (Permission.has(player, ADMIN)) {
return true;
}
Sign shopSign = getAssociatedSign(sign);
return ChestShopSign.canAccess(player, shopSign);
}
public static Sign getAssociatedSign(Sign restricted) {
Block down = restricted.getBlock().getRelative(BlockFace.DOWN);
return BlockUtil.isSign(down) ? (Sign) down.getState() : null;
}
public static boolean hasPermission(Player p, String[] lines) {
if (Permission.has(p, ADMIN)) {
return true;
}
for (String line : lines) {
if (p.hasPermission(Permission.GROUP.toString() + line)) {
return true;
}
}
return false;
}
private static void dropSignAndCancelEvent(SignChangeEvent event) {
event.getBlock().breakNaturally();
event.setCancelled(true);
}
}