<?php
/* Copyright (C) 2026 Alles Watt lauft
 *
 * AJAX-Endpunkt: Liefert Anlagen als Cytoscape.js Graph
 * Gebäude-Typen (type_system_code=GLOBAL) = Räume (Compound-Container)
 * Geräte-Typen = Geräte (Nodes innerhalb der Räume)
 * Hierarchie über fk_parent (wie im Baum)
 * Connections = Kabel-Edges zwischen Geräten
 */

if (!defined('NOTOKENRENEWAL')) define('NOTOKENRENEWAL', '1');
if (!defined('NOREQUIREMENU')) define('NOREQUIREMENU', '1');
if (!defined('NOREQUIREHTML')) define('NOREQUIREHTML', '1');
if (!defined('NOREQUIREAJAX')) define('NOREQUIREAJAX', '1');

$res = 0;
if (!$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("Include of main fails");

dol_include_once('/kundenkarte/class/anlageconnection.class.php');

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

$langs->loadLangs(array('kundenkarte@kundenkarte'));

$socId = GETPOSTINT('socid');
$contactId = GETPOSTINT('contactid');

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

// Berechtigungsprüfung
if (!$user->hasRight('kundenkarte', 'read')) {
	$response['error'] = $langs->trans('ErrorPermissionDenied');
	echo json_encode($response);
	exit;
}

if ($socId <= 0) {
	$response['error'] = 'Missing socid';
	echo json_encode($response);
	exit;
}

// Feld-Metadaten laden (field_code → Label, Display-Modus, Badge-Farbe pro Typ)
$fieldMeta = array(); // [fk_anlage_type][field_code] = {label, display_mode, badge_color}
$sqlFields = "SELECT fk_anlage_type, field_code, field_label, field_type, tree_display_mode, badge_color";
$sqlFields .= " FROM ".MAIN_DB_PREFIX."kundenkarte_anlage_type_field WHERE active = 1 ORDER BY position";
$resFields = $db->query($sqlFields);
if ($resFields) {
	while ($fObj = $db->fetch_object($resFields)) {
		if ($fObj->field_type === 'header') continue;
		$fieldMeta[(int)$fObj->fk_anlage_type][$fObj->field_code] = array(
			'label' => $fObj->field_label,
			'display' => $fObj->tree_display_mode ?: 'badge',
			'color' => $fObj->badge_color ?: '',
			'type' => $fObj->field_type,
		);
	}
	$db->free($resFields);
}

// Elemente laden - OHNE GLOBAL-System (das ist nur die separate Gebäudestruktur)
// Gebäude/Räume werden über den Typ erkannt (type_system_code = GLOBAL)
// Hierarchie kommt aus fk_parent (wie im Baum)
$sql = "SELECT a.rowid, a.label, a.fk_parent, a.fk_system, a.fk_anlage_type,";
$sql .= " a.field_values, a.fk_contact, a.graph_x, a.graph_y,";
$sql .= " t.label as type_label, t.picto as type_picto,";
$sql .= " s.code as system_code, s.label as system_label,";
$sql .= " ts.code as type_system_code,";
$sql .= " (SELECT COUNT(*) FROM ".MAIN_DB_PREFIX."kundenkarte_anlage_files f WHERE f.fk_anlage = a.rowid AND f.file_type IN ('image/jpeg','image/png','image/gif','image/webp')) as image_count,";
$sql .= " (SELECT COUNT(*) FROM ".MAIN_DB_PREFIX."kundenkarte_anlage_files f WHERE f.fk_anlage = a.rowid AND f.file_type NOT IN ('image/jpeg','image/png','image/gif','image/webp')) as doc_count";
$sql .= " FROM ".MAIN_DB_PREFIX."kundenkarte_anlage as a";
$sql .= " LEFT JOIN ".MAIN_DB_PREFIX."kundenkarte_anlage_type as t ON a.fk_anlage_type = t.rowid";
$sql .= " LEFT JOIN ".MAIN_DB_PREFIX."c_kundenkarte_anlage_system as s ON a.fk_system = s.rowid";
$sql .= " LEFT JOIN ".MAIN_DB_PREFIX."c_kundenkarte_anlage_system as ts ON t.fk_system = ts.rowid";
$sql .= " WHERE a.fk_soc = ".(int)$socId;
$sql .= " AND s.code != 'GLOBAL'";
if ($contactId > 0) {
	$sql .= " AND a.fk_contact = ".(int)$contactId;
}
$sql .= " AND a.status = 1";
$sql .= " ORDER BY a.fk_parent, a.rang, a.rowid";

$elements = array('nodes' => array(), 'edges' => array());
$nodeIds = array();

$resql = $db->query($sql);
if ($resql) {
	while ($obj = $db->fetch_object($resql)) {
		// Typ bestimmt ob Raum oder Gerät (GLOBAL-Typ = Gebäude/Raum)
		$isBuilding = (!empty($obj->type_system_code) && $obj->type_system_code === 'GLOBAL');

		$nodeId = 'n_'.$obj->rowid;
		$nodeIds[$obj->rowid] = true;

		$nodeData = array(
			'id' => $nodeId,
			'label' => $obj->label,
			'type_label' => $obj->type_label ?: '',
			'type_picto' => $obj->type_picto ?: '',
			'system_code' => $obj->system_code ?: '',
			'system_label' => $obj->system_label ?: '',
			'fk_parent' => (int) $obj->fk_parent,
			'fk_anlage_type' => (int) $obj->fk_anlage_type,
			'is_building' => $isBuilding,
			'image_count' => (int) $obj->image_count,
			'doc_count' => (int) $obj->doc_count,
			'graph_x' => $obj->graph_x !== null ? (float) $obj->graph_x : null,
			'graph_y' => $obj->graph_y !== null ? (float) $obj->graph_y : null,
		);

		// Feldwerte mit Metadaten (Label, Display-Modus, Badge-Farbe)
		if (!empty($obj->field_values)) {
			$rawValues = json_decode($obj->field_values, true);
			if (is_array($rawValues) && !empty($rawValues)) {
				$typeId = (int) $obj->fk_anlage_type;
				$meta = isset($fieldMeta[$typeId]) ? $fieldMeta[$typeId] : array();
				$fields = array();
				foreach ($rawValues as $code => $val) {
					if ($val === '' || $val === null) continue;
					$fm = isset($meta[$code]) ? $meta[$code] : array();
					$display = isset($fm['display']) ? $fm['display'] : 'badge';
					// Versteckte Felder überspringen
					if ($display === 'none') continue;
					$label = isset($fm['label']) ? $fm['label'] : $code;
					// Checkbox-Werte anpassen
					if (isset($fm['type']) && $fm['type'] === 'checkbox') {
						$val = $val ? '1' : '0';
					}
					$fields[] = array(
						'label' => $label,
						'value' => $val,
						'display' => $display,
						'color' => isset($fm['color']) ? $fm['color'] : '',
					);
				}
				$nodeData['fields'] = $fields;
			}
		}

		// Compound-Parent aus fk_parent (wie im Baum)
		if ($obj->fk_parent > 0) {
			$nodeData['parent'] = 'n_'.$obj->fk_parent;
		}

		$elements['nodes'][] = array(
			'data' => $nodeData,
			'classes' => $isBuilding ? 'building-node' : 'device-node'
		);
	}
	$db->free($resql);
}

// Verbindungen laden
$connObj = new AnlageConnection($db);
$connections = $connObj->fetchBySociete($socId, 0);

// Verwendete Kabeltypen für die Legende sammeln
$usedCableTypes = array();

foreach ($connections as $conn) {
	// Nur Edges für tatsächlich geladene Nodes
	if (!isset($nodeIds[$conn->fk_source]) || !isset($nodeIds[$conn->fk_target])) {
		continue;
	}

	$isPassthrough = empty($conn->label) && empty($conn->medium_type_label) && empty($conn->medium_type_text) && empty($conn->medium_spec);

	// Edge-Label zusammenbauen
	$edgeLabel = '';
	$mediumType = !empty($conn->medium_type_label) ? $conn->medium_type_label : $conn->medium_type_text;
	if (!empty($mediumType)) {
		$edgeLabel = $mediumType;
		if (!empty($conn->medium_spec)) {
			$edgeLabel .= ' '.$conn->medium_spec;
		}
		if (!empty($conn->medium_length)) {
			$edgeLabel .= ', '.$conn->medium_length;
		}
	}

	// Farbe: aus Connection oder aus Medium-Type
	$color = $conn->medium_color;
	if (empty($color) && !empty($conn->fk_medium_type)) {
		// Farbe aus Medium-Type-Tabelle holen
		$sqlColor = "SELECT color, label_short FROM ".MAIN_DB_PREFIX."kundenkarte_medium_type WHERE rowid = ".(int)$conn->fk_medium_type;
		$resColor = $db->query($sqlColor);
		if ($resColor && $mtObj = $db->fetch_object($resColor)) {
			$color = $mtObj->color;
		}
	}

	// Kabeltyp für Legende merken
	if (!$isPassthrough && !empty($mediumType)) {
		$typeKey = $mediumType;
		if (!isset($usedCableTypes[$typeKey])) {
			$usedCableTypes[$typeKey] = array(
				'label' => $mediumType,
				'color' => $color ?: '#5a8a5a',
			);
		}
	}

	$elements['edges'][] = array(
		'data' => array(
			'id' => 'conn_'.$conn->id,
			'source' => 'n_'.$conn->fk_source,
			'target' => 'n_'.$conn->fk_target,
			'label' => $edgeLabel,
			'medium_type' => $mediumType,
			'medium_spec' => $conn->medium_spec,
			'medium_length' => $conn->medium_length,
			'medium_color' => $color,
			'connection_id' => (int) $conn->id,
			'is_passthrough' => $isPassthrough,
		),
		'classes' => $isPassthrough ? 'passthrough-edge' : 'cable-edge'
	);
}

// Prüfen ob gespeicherte Positionen vorhanden sind
$hasPositions = false;
foreach ($elements['nodes'] as $node) {
	if ($node['data']['graph_x'] !== null) {
		$hasPositions = true;
		break;
	}
}

$response['success'] = true;
$response['elements'] = $elements;
$response['cable_types'] = array_values($usedCableTypes);
$response['has_positions'] = $hasPositions;
$response['meta'] = array(
	'socid' => $socId,
	'contactid' => $contactId,
	'total_nodes' => count($elements['nodes']),
	'total_connections' => count($connections),
);

echo json_encode($response);