package org.bukkit.util.permissions;

import org.bukkit.Bukkit;
import org.bukkit.permissions.Permission;
import org.bukkit.permissions.PermissionDefault;

import java.util.Map;

public final class DefaultPermissions
{
	private static final String ROOT = "craftbukkit";
	private static final String LEGACY_PREFIX = "craft";

	private DefaultPermissions()
	{
	}

	public static Permission registerPermission(Permission perm)
	{
		return registerPermission(perm, true);
	}

	public static Permission registerPermission(Permission perm, boolean withLegacy)
	{
		Permission result = perm;

		try
		{
			Bukkit.getPluginManager().addPermission(perm);
		} catch(IllegalArgumentException ex)
		{
			result = Bukkit.getPluginManager().getPermission(perm.getName());
		}

		if(withLegacy)
		{
			Permission legacy = new Permission(LEGACY_PREFIX + result.getName(), result.getDescription(), PermissionDefault.FALSE);
			legacy.getChildren().put(result.getName(), true);
			registerPermission(perm, false);
		}

		return result;
	}

	public static Permission registerPermission(Permission perm, Permission parent)
	{
		parent.getChildren().put(perm.getName(), true);
		return registerPermission(perm);
	}

	public static Permission registerPermission(String name, String desc)
	{
		Permission perm = registerPermission(new Permission(name, desc));
		return perm;
	}

	public static Permission registerPermission(String name, String desc, Permission parent)
	{
		Permission perm = registerPermission(name, desc);
		parent.getChildren().put(perm.getName(), true);
		return perm;
	}

	public static Permission registerPermission(String name, String desc, PermissionDefault def)
	{
		Permission perm = registerPermission(new Permission(name, desc, def));
		return perm;
	}

	public static Permission registerPermission(String name, String desc, PermissionDefault def, Permission parent)
	{
		Permission perm = registerPermission(name, desc, def);
		parent.getChildren().put(perm.getName(), true);
		return perm;
	}

	public static Permission registerPermission(String name, String desc, PermissionDefault def, Map<String, Boolean> children)
	{
		Permission perm = registerPermission(new Permission(name, desc, def, children));
		return perm;
	}

	public static Permission registerPermission(String name, String desc, PermissionDefault def, Map<String, Boolean> children, Permission parent)
	{
		Permission perm = registerPermission(name, desc, def, children);
		parent.getChildren().put(perm.getName(), true);
		return perm;
	}

	public static void registerCorePermissions()
	{
		Permission parent = registerPermission(ROOT, "Gives the user the ability to use all CraftBukkit utilities and commands");

		CommandPermissions.registerPermissions(parent);
		BroadcastPermissions.registerPermissions(parent);

		parent.recalculatePermissibles();
	}
}