<?php

namespace App\Ldap;

use Illuminate\Support\Arr;
use Illuminate\Support\Collection;
use LdapRecord\Models\Model;

use App\Classes\LDAP\Attribute\Factory;

class Entry extends Model
{
	/* OVERRIDES */

	public function getAttributes(): array
	{
		$result = collect();

		foreach (parent::getAttributes() as $attribute => $value) {
			$o = Factory::create($attribute,$value);

			// Set the rdn flag
			if (preg_match('/^'.$attribute.'=/i',$this->dn))
				$o->setRDN();

			// Set required flag
			$o->required_by(collect($this->getAttribute('objectclass')));

			$result->put($attribute,$o);
		}

		$sort = collect(config('ldap.attr_display_order',[]))->transform(function($item) { return strtolower($item); });

		// Order the attributes
		return $result->sortBy([function($a,$b) use ($sort) {
			if (! $sort->count() || $a === $b)
				return 0;

			// Check if $a/$b are in the configuration to be sorted first, if so get it's key
			$a_key = $sort->search($a->name_lc);
			$b_key = $sort->search($b->name_lc);

			// If the keys were not in the sort list, set the key to be the count of elements (ie: so it is last to be sorted)
			if ($a_key === FALSE)
				$a_key = $sort->count()+1;

			if ($b_key === FALSE)
				$b_key = $sort->count()+1;

			// Case where neither $a, nor $b are in ldap.attr_display_order, $a_key = $b_key = one greater than num elements.
			// So we sort them alphabetically
			if ($a_key === $b_key)
				return strcasecmp($a->name,$b->name);

			// Case where at least one attribute or its friendly name is in $attrs_display_order
			// return -1 if $a before $b in $attrs_display_order
			return ($a_key < $b_key) ? -1 : 1;
		} ])->toArray();
	}

	/* ATTRIBUTES */

	/**
	 * Return a key to use for sorting
	 *
	 * @todo This should be the DN in reverse order
	 * @return string
	 */
	public function getSortKeyAttribute(): string
	{
		return $this->getDn();
	}

	/* METHODS */

	public function getVisibleAttributes(): Collection
	{
		return collect($this->getAttributes())->filter(function($item) {
			return ! $item->is_internal;
		});
	}

	/**
	 * Return an icon for a DN based on objectClass
	 *
	 * @return string
	 */
	public function icon(): string
	{
		$objectclasses = array_map('strtolower',$this->objectclass);

		// Return icon based upon objectClass value
		if (in_array('person',$objectclasses) ||
			in_array('organizationalperson',$objectclasses) ||
			in_array('inetorgperson',$objectclasses) ||
			in_array('account',$objectclasses) ||
			in_array('posixaccount',$objectclasses))

			return 'fas fa-user';

		elseif (in_array('organization',$objectclasses))
			return 'fas fa-university';

		elseif (in_array('organizationalunit',$objectclasses))
			return 'fas fa-object-group';

		elseif (in_array('posixgroup',$objectclasses) ||
			in_array('groupofnames',$objectclasses) ||
			in_array('groupofuniquenames',$objectclasses) ||
			in_array('group',$objectclasses))

			return 'fas fa-users';

		elseif (in_array('dcobject',$objectclasses) ||
			in_array('domainrelatedobject',$objectclasses) ||
			in_array('domain',$objectclasses) ||
			in_array('builtindomain',$objectclasses))

			return 'fas fa-network-wired';

		elseif (in_array('alias',$objectclasses))
			return 'fas fa-theater-masks';

		elseif (in_array('country',$objectclasses))
			return sprintf('flag %s',strtolower(Arr::get($this->c,0)));

		elseif (in_array('device',$objectclasses))
			return 'fas fa-mobile-alt';

		elseif (in_array('document',$objectclasses))
			return 'fas fa-file-alt';

		elseif (in_array('iphost',$objectclasses))
			return 'fas fa-wifi';

		elseif (in_array('room',$objectclasses))
			return 'fas fa-door-open';

		elseif (in_array('server',$objectclasses))
			return 'fas fa-server';

		elseif (in_array('openldaprootdse',$objectclasses))
			return 'fas fa-info';

		// Default
		return 'fa-fw fas fa-cog';
	}
}