<?php
/* Copyright (C) 2026 Alles Watt lauft
 *
 * Building Type class (Gebäudetypen)
 * Global structure elements for all systems
 */

require_once DOL_DOCUMENT_ROOT.'/core/class/commonobject.class.php';

class BuildingType extends CommonObject
{
	public $element = 'buildingtype';
	public $table_element = 'kundenkarte_building_type';

	// Level type constants
	const LEVEL_BUILDING = 'building';
	const LEVEL_FLOOR = 'floor';
	const LEVEL_WING = 'wing';
	const LEVEL_CORRIDOR = 'corridor';
	const LEVEL_ROOM = 'room';
	const LEVEL_AREA = 'area';

	public $id;
	public $entity;
	public $ref;
	public $label;
	public $label_short;
	public $description;
	public $fk_parent;
	public $level_type;
	public $icon;
	public $color;
	public $picto;
	public $is_system;
	public $can_have_children;
	public $position;
	public $active;
	public $date_creation;
	public $tms;
	public $fk_user_creat;
	public $fk_user_modif;

	// Loaded parent info
	public $parent_label;

	/**
	 * Constructor
	 *
	 * @param DoliDB $db Database handler
	 */
	public function __construct($db)
	{
		$this->db = $db;
	}

	/**
	 * Create building type
	 *
	 * @param User $user User object
	 * @return int >0 if OK, <0 if KO
	 */
	public function create($user)
	{
		global $conf;

		$now = dol_now();
		$this->ref = trim($this->ref);
		$this->label = trim($this->label);

		$sql = "INSERT INTO ".MAIN_DB_PREFIX.$this->table_element." (";
		$sql .= "entity, ref, label, label_short, description, fk_parent, level_type,";
		$sql .= "icon, color, picto, is_system, can_have_children, position, active,";
		$sql .= "date_creation, fk_user_creat";
		$sql .= ") VALUES (";
		$sql .= (int)$conf->entity;
		$sql .= ", '".$this->db->escape($this->ref)."'";
		$sql .= ", '".$this->db->escape($this->label)."'";
		$sql .= ", ".($this->label_short ? "'".$this->db->escape($this->label_short)."'" : "NULL");
		$sql .= ", ".($this->description ? "'".$this->db->escape($this->description)."'" : "NULL");
		$sql .= ", ".(int)($this->fk_parent ?: 0);
		$sql .= ", ".($this->level_type ? "'".$this->db->escape($this->level_type)."'" : "NULL");
		$sql .= ", ".($this->icon ? "'".$this->db->escape($this->icon)."'" : "NULL");
		$sql .= ", ".($this->color ? "'".$this->db->escape($this->color)."'" : "NULL");
		$sql .= ", ".($this->picto ? "'".$this->db->escape($this->picto)."'" : "NULL");
		$sql .= ", ".(int)($this->is_system ?: 0);
		$sql .= ", ".(int)($this->can_have_children !== null ? $this->can_have_children : 1);
		$sql .= ", ".(int)($this->position ?: 0);
		$sql .= ", ".(int)($this->active !== null ? $this->active : 1);
		$sql .= ", '".$this->db->idate($now)."'";
		$sql .= ", ".(int)$user->id;
		$sql .= ")";

		$resql = $this->db->query($sql);
		if ($resql) {
			$this->id = $this->db->last_insert_id(MAIN_DB_PREFIX.$this->table_element);
			return $this->id;
		} else {
			$this->error = $this->db->lasterror();
			return -1;
		}
	}

	/**
	 * Fetch building type
	 *
	 * @param int $id ID
	 * @param string $ref Reference
	 * @return int >0 if OK, <0 if KO
	 */
	public function fetch($id, $ref = '')
	{
		$sql = "SELECT t.*, p.label as parent_label";
		$sql .= " FROM ".MAIN_DB_PREFIX.$this->table_element." as t";
		$sql .= " LEFT JOIN ".MAIN_DB_PREFIX.$this->table_element." as p ON t.fk_parent = p.rowid";
		$sql .= " WHERE ";
		if ($id > 0) {
			$sql .= "t.rowid = ".(int)$id;
		} else {
			$sql .= "t.ref = '".$this->db->escape($ref)."'";
		}

		$resql = $this->db->query($sql);
		if ($resql) {
			if ($obj = $this->db->fetch_object($resql)) {
				$this->id = $obj->rowid;
				$this->entity = $obj->entity;
				$this->ref = $obj->ref;
				$this->label = $obj->label;
				$this->label_short = $obj->label_short;
				$this->description = $obj->description;
				$this->fk_parent = $obj->fk_parent;
				$this->level_type = $obj->level_type;
				$this->icon = $obj->icon;
				$this->color = $obj->color;
				$this->picto = $obj->picto;
				$this->is_system = $obj->is_system;
				$this->can_have_children = $obj->can_have_children;
				$this->position = $obj->position;
				$this->active = $obj->active;
				$this->date_creation = $this->db->jdate($obj->date_creation);
				$this->fk_user_creat = $obj->fk_user_creat;
				$this->fk_user_modif = $obj->fk_user_modif;
				$this->parent_label = $obj->parent_label;

				$this->db->free($resql);
				return 1;
			}
			$this->db->free($resql);
			return 0;
		} else {
			$this->error = $this->db->lasterror();
			return -1;
		}
	}

	/**
	 * Update building type
	 *
	 * @param User $user User object
	 * @return int >0 if OK, <0 if KO
	 */
	public function update($user)
	{
		$sql = "UPDATE ".MAIN_DB_PREFIX.$this->table_element." SET";
		$sql .= " ref = '".$this->db->escape($this->ref)."'";
		$sql .= ", label = '".$this->db->escape($this->label)."'";
		$sql .= ", label_short = ".($this->label_short ? "'".$this->db->escape($this->label_short)."'" : "NULL");
		$sql .= ", description = ".($this->description ? "'".$this->db->escape($this->description)."'" : "NULL");
		$sql .= ", fk_parent = ".(int)($this->fk_parent ?: 0);
		$sql .= ", level_type = ".($this->level_type ? "'".$this->db->escape($this->level_type)."'" : "NULL");
		$sql .= ", icon = ".($this->icon ? "'".$this->db->escape($this->icon)."'" : "NULL");
		$sql .= ", color = ".($this->color ? "'".$this->db->escape($this->color)."'" : "NULL");
		$sql .= ", can_have_children = ".(int)$this->can_have_children;
		$sql .= ", position = ".(int)$this->position;
		$sql .= ", active = ".(int)$this->active;
		$sql .= ", fk_user_modif = ".(int)$user->id;
		$sql .= " WHERE rowid = ".(int)$this->id;

		$resql = $this->db->query($sql);
		if ($resql) {
			return 1;
		} else {
			$this->error = $this->db->lasterror();
			return -1;
		}
	}

	/**
	 * Delete building type
	 *
	 * @param User $user User object
	 * @return int >0 if OK, <0 if KO
	 */
	public function delete($user)
	{
		// Don't allow deleting system types
		if ($this->is_system) {
			$this->error = 'CannotDeleteSystemType';
			return -1;
		}

		// Check if type is used as parent
		$sql = "SELECT COUNT(*) as cnt FROM ".MAIN_DB_PREFIX.$this->table_element;
		$sql .= " WHERE fk_parent = ".(int)$this->id;
		$resql = $this->db->query($sql);
		if ($resql) {
			$obj = $this->db->fetch_object($resql);
			if ($obj->cnt > 0) {
				$this->error = 'CannotDeleteTypeWithChildren';
				return -2;
			}
		}

		$sql = "DELETE FROM ".MAIN_DB_PREFIX.$this->table_element;
		$sql .= " WHERE rowid = ".(int)$this->id;

		$resql = $this->db->query($sql);
		if ($resql) {
			return 1;
		} else {
			$this->error = $this->db->lasterror();
			return -1;
		}
	}

	/**
	 * Fetch all building types
	 *
	 * @param int $activeOnly Only active types
	 * @param string $levelType Filter by level type
	 * @return array Array of BuildingType objects
	 */
	public function fetchAll($activeOnly = 1, $levelType = '')
	{
		global $conf;

		$result = array();

		$sql = "SELECT t.*, p.label as parent_label";
		$sql .= " FROM ".MAIN_DB_PREFIX.$this->table_element." as t";
		$sql .= " LEFT JOIN ".MAIN_DB_PREFIX.$this->table_element." as p ON t.fk_parent = p.rowid";
		$sql .= " WHERE (t.entity = ".(int)$conf->entity." OR t.entity = 0)";
		if ($activeOnly) {
			$sql .= " AND t.active = 1";
		}
		if ($levelType) {
			$sql .= " AND t.level_type = '".$this->db->escape($levelType)."'";
		}
		$sql .= " ORDER BY t.level_type, t.position, t.label";

		$resql = $this->db->query($sql);
		if ($resql) {
			while ($obj = $this->db->fetch_object($resql)) {
				$type = new BuildingType($this->db);
				$type->id = $obj->rowid;
				$type->entity = $obj->entity;
				$type->ref = $obj->ref;
				$type->label = $obj->label;
				$type->label_short = $obj->label_short;
				$type->description = $obj->description;
				$type->fk_parent = $obj->fk_parent;
				$type->level_type = $obj->level_type;
				$type->icon = $obj->icon;
				$type->color = $obj->color;
				$type->picto = $obj->picto;
				$type->is_system = $obj->is_system;
				$type->can_have_children = $obj->can_have_children;
				$type->position = $obj->position;
				$type->active = $obj->active;
				$type->parent_label = $obj->parent_label;
				$result[] = $type;
			}
			$this->db->free($resql);
		}

		return $result;
	}

	/**
	 * Fetch types grouped by level type
	 *
	 * @param int $activeOnly Only active types
	 * @return array Array grouped by level_type
	 */
	public function fetchGroupedByLevel($activeOnly = 1)
	{
		$all = $this->fetchAll($activeOnly);
		$grouped = array();

		foreach ($all as $type) {
			$level = $type->level_type ?: 'other';
			if (!isset($grouped[$level])) {
				$grouped[$level] = array();
			}
			$grouped[$level][] = $type;
		}

		return $grouped;
	}

	/**
	 * Get level type label
	 *
	 * @return string Translated label
	 */
	public function getLevelTypeLabel()
	{
		global $langs;
		$langs->load('kundenkarte@kundenkarte');

		$labels = array(
			self::LEVEL_BUILDING => $langs->trans('BuildingLevelBuilding'),
			self::LEVEL_FLOOR => $langs->trans('BuildingLevelFloor'),
			self::LEVEL_WING => $langs->trans('BuildingLevelWing'),
			self::LEVEL_CORRIDOR => $langs->trans('BuildingLevelCorridor'),
			self::LEVEL_ROOM => $langs->trans('BuildingLevelRoom'),
			self::LEVEL_AREA => $langs->trans('BuildingLevelArea'),
		);

		return isset($labels[$this->level_type]) ? $labels[$this->level_type] : $this->level_type;
	}

	/**
	 * Get all level types with labels
	 *
	 * @return array Array of level_type => label
	 */
	public static function getLevelTypes()
	{
		global $langs;
		$langs->load('kundenkarte@kundenkarte');

		return array(
			self::LEVEL_BUILDING => $langs->trans('BuildingLevelBuilding'),
			self::LEVEL_FLOOR => $langs->trans('BuildingLevelFloor'),
			self::LEVEL_WING => $langs->trans('BuildingLevelWing'),
			self::LEVEL_CORRIDOR => $langs->trans('BuildingLevelCorridor'),
			self::LEVEL_ROOM => $langs->trans('BuildingLevelRoom'),
			self::LEVEL_AREA => $langs->trans('BuildingLevelArea'),
		);
	}

	/**
	 * Get next available position
	 *
	 * @param string $levelType Level type
	 * @return int Next position
	 */
	public function getNextPosition($levelType = '')
	{
		$sql = "SELECT MAX(position) as maxpos FROM ".MAIN_DB_PREFIX.$this->table_element;
		if ($levelType) {
			$sql .= " WHERE level_type = '".$this->db->escape($levelType)."'";
		}

		$resql = $this->db->query($sql);
		if ($resql) {
			$obj = $this->db->fetch_object($resql);
			return ($obj->maxpos ?: 0) + 10;
		}
		return 10;
	}
}