<?php
/* Copyright (C) 2026  Eduard Wisch  <data@data-it-solution.de>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License, version 3.
 */

/**
 * \file       htdocs/custom/mahnung/class/mahnungstufe.class.php
 * \ingroup    mahnung
 * \brief      Konfigurations-Klasse fuer Mahnstufen (llx_mahnung_stufe).
 */

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

/**
 * Eine Mahnstufe (1..3): Frist-Konfiguration, Gebuehren, optionaler Zinssatz-Override,
 * Versandart-Default, E-Mail-/PDF-Templates.
 */
class MahnungStufe extends CommonObject
{
	/** @var string */
	public $element = 'mahnungstufe';

	/** @var string */
	public $table_element = 'mahnung_stufe';

	/** @var int */
	public $entity;

	/** @var int 1..3 */
	public $stufe;

	/** @var string */
	public $label;

	/** @var int Tage nach Faelligkeit (Stufe 1) bzw. nach Vorgaengerstufe (>1) */
	public $frist_tage = 0;

	/** @var int Neue Zahlungsfrist im Mahnschreiben (Tage) */
	public $neue_frist_tage = 7;

	/** @var float */
	public $mahngebuehr_b2c = 0;

	/** @var float */
	public $mahngebuehr_b2b = 0;

	/** @var int 1 = nur in dieser Stufe Pauschale §288 Abs. 5 berechnen */
	public $pauschale_b2b_einmalig = 0;

	/** @var float|null Override Basiszins+5 % B2C-Default */
	public $zinssatz_b2c_uebersteuern;

	/** @var float|null Override Basiszins+9 % B2B-Default */
	public $zinssatz_b2b_uebersteuern;

	/** @var string pdf|mail|druck|none */
	public $versandart_default = 'pdf';

	/** @var string */
	public $email_subject;

	/** @var string */
	public $email_body;

	/** @var string */
	public $pdf_intro;

	/** @var int 0|1 */
	public $active = 1;

	/** @var int Unix-Zeit */
	public $datec;

	/** @var int Unix-Zeit */
	public $tms;

	/**
	 * @param DoliDB $db Datenbank-Handler
	 */
	public function __construct($db)
	{
		global $conf;
		$this->db = $db;
		$this->entity = $conf->entity;
	}

	/**
	 * @param int $stufe 1..3
	 * @return int -1 Fehler, 0 nicht gefunden, >0 OK
	 */
	public function fetchByStufe($stufe)
	{
		$sql = "SELECT t.* FROM ".MAIN_DB_PREFIX."mahnung_stufe as t";
		$sql .= " WHERE t.entity = ".((int) $this->entity);
		$sql .= " AND t.stufe = ".((int) $stufe);

		$resql = $this->db->query($sql);
		if (!$resql) {
			$this->error = $this->db->lasterror();
			return -1;
		}
		if (!$this->db->num_rows($resql)) {
			$this->db->free($resql);
			return 0;
		}
		$obj = $this->db->fetch_object($resql);
		$this->loadFromObj($obj);
		$this->db->free($resql);
		return 1;
	}

	/**
	 * Alle aktiven Stufen geordnet nach stufe ASC.
	 *
	 * @return MahnungStufe[]
	 */
	public function fetchAllActive()
	{
		$sql = "SELECT t.* FROM ".MAIN_DB_PREFIX."mahnung_stufe as t";
		$sql .= " WHERE t.entity = ".((int) $this->entity);
		$sql .= " AND t.active = 1";
		$sql .= " ORDER BY t.stufe ASC";

		$resql = $this->db->query($sql);
		$result = array();
		if (!$resql) {
			$this->error = $this->db->lasterror();
			return $result;
		}
		while ($obj = $this->db->fetch_object($resql)) {
			$s = new self($this->db);
			$s->loadFromObj($obj);
			$result[] = $s;
		}
		$this->db->free($resql);
		return $result;
	}

	/**
	 * @param User $user
	 * @return int <0 Fehler, sonst rowid
	 */
	public function update($user)
	{
		if (empty($this->id)) {
			$this->error = 'MahnungStufe::update — id missing';
			return -1;
		}

		$sql = "UPDATE ".MAIN_DB_PREFIX."mahnung_stufe SET";
		$sql .= " label = '".$this->db->escape($this->label)."'";
		$sql .= ", frist_tage = ".((int) $this->frist_tage);
		$sql .= ", neue_frist_tage = ".((int) $this->neue_frist_tage);
		$sql .= ", mahngebuehr_b2c = ".((float) $this->mahngebuehr_b2c);
		$sql .= ", mahngebuehr_b2b = ".((float) $this->mahngebuehr_b2b);
		$sql .= ", pauschale_b2b_einmalig = ".((int) (!empty($this->pauschale_b2b_einmalig) ? 1 : 0));
		$sql .= ", zinssatz_b2c_uebersteuern = ".($this->zinssatz_b2c_uebersteuern !== null && $this->zinssatz_b2c_uebersteuern !== '' ? ((float) $this->zinssatz_b2c_uebersteuern) : "NULL");
		$sql .= ", zinssatz_b2b_uebersteuern = ".($this->zinssatz_b2b_uebersteuern !== null && $this->zinssatz_b2b_uebersteuern !== '' ? ((float) $this->zinssatz_b2b_uebersteuern) : "NULL");
		$sql .= ", versandart_default = '".$this->db->escape($this->versandart_default ?: 'pdf')."'";
		$sql .= ", email_subject = ".($this->email_subject ? "'".$this->db->escape($this->email_subject)."'" : "NULL");
		$sql .= ", email_body = ".($this->email_body ? "'".$this->db->escape($this->email_body)."'" : "NULL");
		$sql .= ", pdf_intro = ".($this->pdf_intro ? "'".$this->db->escape($this->pdf_intro)."'" : "NULL");
		$sql .= ", active = ".((int) (!empty($this->active) ? 1 : 0));
		$sql .= " WHERE rowid = ".((int) $this->id);

		dol_syslog(get_class($this).'::update', LOG_DEBUG);
		$resql = $this->db->query($sql);
		if (!$resql) {
			$this->error = $this->db->lasterror();
			return -1;
		}
		return $this->id;
	}

	/**
	 * Mahngebuehr fuer einen Kundentyp aus dieser Stufe lesen.
	 *
	 * @param  string $kundentyp 'B2C'|'B2B'
	 * @return float
	 */
	public function getMahngebuehr($kundentyp)
	{
		return $kundentyp === Mahnung::KUNDENTYP_B2B
			? (float) $this->mahngebuehr_b2b
			: (float) $this->mahngebuehr_b2c;
	}

	/**
	 * Override-Zinssatz fuer einen Kundentyp (oder null falls Default gewuenscht).
	 *
	 * @param  string $kundentyp
	 * @return float|null
	 */
	public function getZinssatzOverride($kundentyp)
	{
		$value = $kundentyp === Mahnung::KUNDENTYP_B2B
			? $this->zinssatz_b2b_uebersteuern
			: $this->zinssatz_b2c_uebersteuern;
		return ($value === null || $value === '') ? null : (float) $value;
	}

	/**
	 * Properties aus DB-Object-Reihe laden.
	 *
	 * @param  object $obj
	 * @return void
	 */
	private function loadFromObj($obj)
	{
		$this->id = $obj->rowid;
		$this->entity = $obj->entity;
		$this->stufe = (int) $obj->stufe;
		$this->label = $obj->label;
		$this->frist_tage = (int) $obj->frist_tage;
		$this->neue_frist_tage = (int) $obj->neue_frist_tage;
		$this->mahngebuehr_b2c = $obj->mahngebuehr_b2c;
		$this->mahngebuehr_b2b = $obj->mahngebuehr_b2b;
		$this->pauschale_b2b_einmalig = (int) $obj->pauschale_b2b_einmalig;
		$this->zinssatz_b2c_uebersteuern = $obj->zinssatz_b2c_uebersteuern;
		$this->zinssatz_b2b_uebersteuern = $obj->zinssatz_b2b_uebersteuern;
		$this->versandart_default = $obj->versandart_default;
		$this->email_subject = $obj->email_subject;
		$this->email_body = $obj->email_body;
		$this->pdf_intro = $obj->pdf_intro;
		$this->active = (int) $obj->active;
		$this->datec = $this->db->jdate($obj->datec);
		$this->tms = $this->db->jdate($obj->tms);
	}
}