<?php
/* Copyright (C) 2026 Alles Watt lauft
 *
 * PWA API - AJAX Endpoints für die mobile App
 * Token-basierte Authentifizierung
 */

if (!defined('NOLOGIN')) {
	define('NOLOGIN', '1');
}
if (!defined('NOREQUIREMENU')) {
	define('NOREQUIREMENU', '1');
}
if (!defined('NOREQUIREHTML')) {
	define('NOREQUIREHTML', '1');
}
if (!defined('NOREQUIREAJAX')) {
	define('NOREQUIREAJAX', '1');
}

// Load Dolibarr environment
$res = 0;
if (!$res && file_exists("../../main.inc.php")) {
	$res = @include "../../main.inc.php";
}
if (!$res && file_exists("../../../main.inc.php")) {
	$res = @include "../../../main.inc.php";
}
if (!$res) {
	die(json_encode(array('success' => false, 'error' => 'Dolibarr not loaded')));
}

header('Content-Type: application/json; charset=UTF-8');

$response = array('success' => false);

// Verify token
$token = GETPOST('token', 'none');
if (empty($token)) {
	echo json_encode(array('success' => false, 'error' => 'Nicht authentifiziert'));
	exit;
}

$tokenData = json_decode(base64_decode($token), true);
if (!$tokenData || empty($tokenData['user_id']) || empty($tokenData['expires']) || $tokenData['expires'] < time()) {
	echo json_encode(array('success' => false, 'error' => 'Token ungültig oder abgelaufen'));
	exit;
}

// Verify hash
$expectedHash = md5($tokenData['user_id'] . $tokenData['login'] . getDolGlobalString('MAIN_SECURITY_SALT', 'defaultsalt'));
if ($tokenData['hash'] !== $expectedHash) {
	echo json_encode(array('success' => false, 'error' => 'Token manipuliert'));
	exit;
}

// Load user
require_once DOL_DOCUMENT_ROOT.'/user/class/user.class.php';
$user = new User($db);
$user->fetch($tokenData['user_id']);

if ($user->id <= 0 || $user->statut != 1) {
	echo json_encode(array('success' => false, 'error' => 'Benutzer nicht mehr aktiv'));
	exit;
}

// Check permission
if (!$user->hasRight('kundenkarte', 'read')) {
	echo json_encode(array('success' => false, 'error' => 'Keine Berechtigung'));
	exit;
}

// Load required classes
require_once DOL_DOCUMENT_ROOT.'/custom/kundenkarte/class/anlage.class.php';
require_once DOL_DOCUMENT_ROOT.'/custom/kundenkarte/class/equipmentpanel.class.php';
require_once DOL_DOCUMENT_ROOT.'/custom/kundenkarte/class/equipmentcarrier.class.php';
require_once DOL_DOCUMENT_ROOT.'/custom/kundenkarte/class/equipment.class.php';
require_once DOL_DOCUMENT_ROOT.'/custom/kundenkarte/class/equipmenttype.class.php';

$action = GETPOST('action', 'aZ09');

switch ($action) {
	// ============================================
	// CUSTOMER SEARCH
	// ============================================
	case 'search_customers':
		$query = GETPOST('query', 'alphanohtml');
		if (strlen($query) < 2) {
			$response['error'] = 'Mindestens 2 Zeichen';
			break;
		}

		$sql = "SELECT s.rowid, s.nom as name, s.town";
		$sql .= " FROM ".MAIN_DB_PREFIX."societe as s";
		$sql .= " WHERE s.entity IN (".getEntity('societe').")";
		$sql .= " AND s.status = 1";
		$sql .= " AND (s.nom LIKE '%".$db->escape($query)."%'";
		$sql .= " OR s.name_alias LIKE '%".$db->escape($query)."%')";
		$sql .= " ORDER BY s.nom ASC";
		$sql .= " LIMIT 30";

		$resql = $db->query($sql);
		$customers = array();

		if ($resql) {
			while ($obj = $db->fetch_object($resql)) {
				$customers[] = array(
					'id' => $obj->rowid,
					'name' => $obj->name,
					'town' => $obj->town
				);
			}
		}

		$response['success'] = true;
		$response['customers'] = $customers;
		break;

	// ============================================
	// GET ANLAGEN FOR CUSTOMER
	// ============================================
	case 'get_anlagen':
		$customerId = GETPOSTINT('customer_id');
		if ($customerId <= 0) {
			$response['error'] = 'Keine Kunden-ID';
			break;
		}

		$anlage = new Anlage($db);
		$anlagen = $anlage->fetchAll('ASC', 'label', 0, 0, array('fk_soc' => $customerId));

		$result = array();
		if (is_array($anlagen)) {
			foreach ($anlagen as $a) {
				$result[] = array(
					'id' => $a->id,
					'label' => $a->label,
					'has_editor' => !empty($a->schematic_editor_enabled)
				);
			}
		}

		$response['success'] = true;
		$response['anlagen'] = $result;
		break;

	// ============================================
	// GET ANLAGE DATA (Panels, Carriers, Equipment)
	// ============================================
	case 'get_anlage_data':
		$anlageId = GETPOSTINT('anlage_id');
		if ($anlageId <= 0) {
			$response['error'] = 'Keine Anlagen-ID';
			break;
		}

		// Load panels
		$panel = new EquipmentPanel($db);
		$panels = $panel->fetchByAnlage($anlageId);
		$panelsData = array();
		foreach ($panels as $p) {
			$panelsData[] = array(
				'id' => $p->id,
				'label' => $p->label,
				'position' => $p->position
			);
		}

		// Load carriers
		$carrier = new EquipmentCarrier($db);
		$carriersData = array();
		foreach ($panels as $p) {
			$p->fetchCarriers();
			foreach ($p->carriers as $c) {
				$carriersData[] = array(
					'id' => $c->id,
					'fk_panel' => $c->fk_panel,
					'label' => $c->label,
					'total_te' => $c->total_te,
					'position' => $c->position
				);
			}
		}

		// Load equipment
		$equipment = new Equipment($db);
		$equipmentData = array();
		foreach ($carriersData as $c) {
			$items = $equipment->fetchByCarrier($c['id']);
			foreach ($items as $eq) {
				$equipmentData[] = array(
					'id' => $eq->id,
					'fk_carrier' => $eq->fk_carrier,
					'fk_equipment_type' => $eq->fk_equipment_type,
					'label' => $eq->label,
					'position_te' => $eq->position_te,
					'width_te' => $eq->width_te,
					'field_values' => $eq->getFieldValues()
				);
			}
		}

		// Load equipment types
		$eqType = new EquipmentType($db);
		$types = $eqType->fetchAllBySystem(1, 1); // System 1 = Elektro, nur aktive
		$typesData = array();
		foreach ($types as $t) {
			$typesData[] = array(
				'id' => $t->id,
				'ref' => $t->ref,
				'label' => $t->label,
				'label_short' => $t->label_short,
				'width_te' => $t->width_te,
				'color' => $t->color
			);
		}

		$response['success'] = true;
		$response['panels'] = $panelsData;
		$response['carriers'] = $carriersData;
		$response['equipment'] = $equipmentData;
		$response['types'] = $typesData;
		break;

	// ============================================
	// CREATE PANEL
	// ============================================
	case 'create_panel':
		if (!$user->hasRight('kundenkarte', 'write')) {
			$response['error'] = 'Keine Schreibberechtigung';
			break;
		}

		$anlageId = GETPOSTINT('anlage_id');
		$label = GETPOST('label', 'alphanohtml');

		if ($anlageId <= 0) {
			$response['error'] = 'Keine Anlagen-ID';
			break;
		}

		$panel = new EquipmentPanel($db);
		$panel->fk_anlage = $anlageId;
		$panel->label = $label ?: 'Feld';

		$result = $panel->create($user);
		if ($result > 0) {
			$response['success'] = true;
			$response['panel_id'] = $result;
		} else {
			$response['error'] = $panel->error ?: 'Fehler beim Anlegen';
		}
		break;

	// ============================================
	// CREATE CARRIER
	// ============================================
	case 'create_carrier':
		if (!$user->hasRight('kundenkarte', 'write')) {
			$response['error'] = 'Keine Schreibberechtigung';
			break;
		}

		$panelId = GETPOSTINT('panel_id');
		$totalTe = GETPOSTINT('total_te') ?: 12;
		$label = GETPOST('label', 'alphanohtml');

		if ($panelId <= 0) {
			$response['error'] = 'Keine Panel-ID';
			break;
		}

		$carrier = new EquipmentCarrier($db);
		$carrier->fk_panel = $panelId;
		$carrier->label = $label ?: 'Hutschiene';
		$carrier->total_te = $totalTe;

		$result = $carrier->create($user);
		if ($result > 0) {
			$response['success'] = true;
			$response['carrier_id'] = $result;
		} else {
			$response['error'] = $carrier->error ?: 'Fehler beim Anlegen';
		}
		break;

	// ============================================
	// CREATE EQUIPMENT
	// ============================================
	case 'create_equipment':
		if (!$user->hasRight('kundenkarte', 'write')) {
			$response['error'] = 'Keine Schreibberechtigung';
			break;
		}

		$carrierId = GETPOSTINT('carrier_id');
		$typeId = GETPOSTINT('type_id');
		$label = GETPOST('label', 'alphanohtml');
		$positionTe = GETPOSTINT('position_te') ?: 1;
		$fieldValues = GETPOST('field_values', 'nohtml');

		if ($carrierId <= 0 || $typeId <= 0) {
			$response['error'] = 'Carrier-ID und Typ-ID erforderlich';
			break;
		}

		// Load type for width
		$eqType = new EquipmentType($db);
		$eqType->fetch($typeId);

		$equipment = new Equipment($db);
		$equipment->fk_carrier = $carrierId;
		$equipment->fk_equipment_type = $typeId;
		$equipment->label = $label;
		$equipment->position_te = $positionTe;
		$equipment->width_te = $eqType->width_te ?: 1;
		$equipment->field_values = $fieldValues;

		$result = $equipment->create($user);
		if ($result > 0) {
			$response['success'] = true;
			$response['equipment_id'] = $result;
		} else {
			$response['error'] = $equipment->error ?: 'Fehler beim Anlegen';
		}
		break;

	default:
		$response['error'] = 'Unbekannte Aktion: ' . $action;
}

echo json_encode($response);
$db->close();