<?php
/**
 * Buchung Klasse für manuelle EÜR-Buchungen
 *
 * @package    steuer
 * @subpackage class
 */

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

/**
 * Klasse zur Verwaltung von manuellen EÜR-Buchungen
 */
class SteuerBuchung extends CommonObject
{
    public $element = 'steuer_buchung';
    public $table_element = 'steuer_buchung';
    public $picto = 'bill';

    public $id;
    public $ref;
    public $datum;
    public $belegnummer;
    public $beschreibung;
    public $fk_konto;
    public $betrag_netto;
    public $betrag_ust;
    public $betrag_brutto;
    public $ust_satz;
    public $typ; // 'einnahme' oder 'ausgabe'
    public $zahlungsart;
    public $fk_soc;
    public $fk_facture;
    public $fk_facture_fourn;
    public $note_private;
    public $date_creation;
    public $tms;
    public $fk_user_creat;
    public $fk_user_modif;
    public $status;
    public $entity;

    // Verknüpfte Objekte
    public $konto_bezeichnung;
    public $konto_nummer;

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

    /**
     * Erstellt eine neue Buchung
     *
     * @param User $user Benutzer
     * @param int $notrigger Keine Trigger ausführen
     * @return int >0 bei Erfolg, <0 bei Fehler
     */
    public function create($user, $notrigger = 0)
    {
        global $conf;

        $error = 0;
        $now = dol_now();

        // Standardwerte
        if (empty($this->status)) {
            $this->status = 1;
        }
        $this->entity = $conf->entity;

        // Referenz generieren
        if (empty($this->ref)) {
            $this->ref = $this->getNextRef();
        }

        // Brutto berechnen falls nicht gesetzt
        if (empty($this->betrag_brutto)) {
            $this->betrag_brutto = $this->betrag_netto + $this->betrag_ust;
        }

        $this->db->begin();

        $sql = "INSERT INTO ".MAIN_DB_PREFIX."steuer_buchung (";
        $sql .= "ref, datum, belegnummer, beschreibung, fk_konto,";
        $sql .= " betrag_netto, betrag_ust, betrag_brutto, ust_satz,";
        $sql .= " typ, zahlungsart, fk_soc, fk_facture, fk_facture_fourn,";
        $sql .= " note_private, date_creation, fk_user_creat, status, entity";
        $sql .= ") VALUES (";
        $sql .= "'".$this->db->escape($this->ref)."',";
        $sql .= "'".$this->db->escape($this->datum)."',";
        $sql .= ($this->belegnummer ? "'".$this->db->escape($this->belegnummer)."'" : "NULL").",";
        $sql .= "'".$this->db->escape($this->beschreibung)."',";
        $sql .= ((int) $this->fk_konto).",";
        $sql .= ((float) $this->betrag_netto).",";
        $sql .= ((float) $this->betrag_ust).",";
        $sql .= ((float) $this->betrag_brutto).",";
        $sql .= ((float) $this->ust_satz).",";
        $sql .= "'".$this->db->escape($this->typ)."',";
        $sql .= ($this->zahlungsart ? "'".$this->db->escape($this->zahlungsart)."'" : "NULL").",";
        $sql .= ($this->fk_soc > 0 ? ((int) $this->fk_soc) : "NULL").",";
        $sql .= ($this->fk_facture > 0 ? ((int) $this->fk_facture) : "NULL").",";
        $sql .= ($this->fk_facture_fourn > 0 ? ((int) $this->fk_facture_fourn) : "NULL").",";
        $sql .= ($this->note_private ? "'".$this->db->escape($this->note_private)."'" : "NULL").",";
        $sql .= "'".$this->db->idate($now)."',";
        $sql .= ((int) $user->id).",";
        $sql .= ((int) $this->status).",";
        $sql .= ((int) $this->entity);
        $sql .= ")";

        $resql = $this->db->query($sql);
        if (!$resql) {
            $error++;
            $this->errors[] = "Error ".$this->db->lasterror();
        }

        if (!$error) {
            $this->id = $this->db->last_insert_id(MAIN_DB_PREFIX."steuer_buchung");
        }

        if (!$error) {
            $this->db->commit();
            return $this->id;
        } else {
            $this->db->rollback();
            return -1;
        }
    }

    /**
     * Aktualisiert eine Buchung
     *
     * @param User $user Benutzer
     * @param int $notrigger Keine Trigger ausführen
     * @return int >0 bei Erfolg, <0 bei Fehler
     */
    public function update($user, $notrigger = 0)
    {
        $error = 0;

        // Brutto berechnen
        $this->betrag_brutto = $this->betrag_netto + $this->betrag_ust;

        $this->db->begin();

        $sql = "UPDATE ".MAIN_DB_PREFIX."steuer_buchung SET";
        $sql .= " datum = '".$this->db->escape($this->datum)."',";
        $sql .= " belegnummer = ".($this->belegnummer ? "'".$this->db->escape($this->belegnummer)."'" : "NULL").",";
        $sql .= " beschreibung = '".$this->db->escape($this->beschreibung)."',";
        $sql .= " fk_konto = ".((int) $this->fk_konto).",";
        $sql .= " betrag_netto = ".((float) $this->betrag_netto).",";
        $sql .= " betrag_ust = ".((float) $this->betrag_ust).",";
        $sql .= " betrag_brutto = ".((float) $this->betrag_brutto).",";
        $sql .= " ust_satz = ".((float) $this->ust_satz).",";
        $sql .= " typ = '".$this->db->escape($this->typ)."',";
        $sql .= " zahlungsart = ".($this->zahlungsart ? "'".$this->db->escape($this->zahlungsart)."'" : "NULL").",";
        $sql .= " fk_soc = ".($this->fk_soc > 0 ? ((int) $this->fk_soc) : "NULL").",";
        $sql .= " note_private = ".($this->note_private ? "'".$this->db->escape($this->note_private)."'" : "NULL").",";
        $sql .= " fk_user_modif = ".((int) $user->id);
        $sql .= " WHERE rowid = ".((int) $this->id);

        $resql = $this->db->query($sql);
        if (!$resql) {
            $error++;
            $this->errors[] = "Error ".$this->db->lasterror();
        }

        if (!$error) {
            $this->db->commit();
            return 1;
        } else {
            $this->db->rollback();
            return -1;
        }
    }

    /**
     * Lädt eine Buchung
     *
     * @param int $id ID der Buchung
     * @param string $ref Referenz der Buchung
     * @return int >0 bei Erfolg, <0 bei Fehler
     */
    public function fetch($id, $ref = '')
    {
        global $conf;

        $sql = "SELECT b.*, k.kontonummer, k.bezeichnung as konto_bezeichnung";
        $sql .= " FROM ".MAIN_DB_PREFIX."steuer_buchung as b";
        $sql .= " LEFT JOIN ".MAIN_DB_PREFIX."steuer_konto as k ON b.fk_konto = k.rowid";
        $sql .= " WHERE b.entity = ".((int) $conf->entity);
        if ($id > 0) {
            $sql .= " AND b.rowid = ".((int) $id);
        } elseif ($ref) {
            $sql .= " AND b.ref = '".$this->db->escape($ref)."'";
        }

        $resql = $this->db->query($sql);
        if ($resql) {
            if ($this->db->num_rows($resql)) {
                $obj = $this->db->fetch_object($resql);

                $this->id = $obj->rowid;
                $this->ref = $obj->ref;
                $this->datum = $this->db->jdate($obj->datum);
                $this->belegnummer = $obj->belegnummer;
                $this->beschreibung = $obj->beschreibung;
                $this->fk_konto = $obj->fk_konto;
                $this->betrag_netto = $obj->betrag_netto;
                $this->betrag_ust = $obj->betrag_ust;
                $this->betrag_brutto = $obj->betrag_brutto;
                $this->ust_satz = $obj->ust_satz;
                $this->typ = $obj->typ;
                $this->zahlungsart = $obj->zahlungsart;
                $this->fk_soc = $obj->fk_soc;
                $this->fk_facture = $obj->fk_facture;
                $this->fk_facture_fourn = $obj->fk_facture_fourn;
                $this->note_private = $obj->note_private;
                $this->date_creation = $this->db->jdate($obj->date_creation);
                $this->tms = $obj->tms;
                $this->fk_user_creat = $obj->fk_user_creat;
                $this->fk_user_modif = $obj->fk_user_modif;
                $this->status = $obj->status;
                $this->entity = $obj->entity;

                $this->konto_bezeichnung = $obj->konto_bezeichnung;
                $this->konto_nummer = $obj->kontonummer;

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

    /**
     * Löscht eine Buchung
     *
     * @param User $user Benutzer
     * @param int $notrigger Keine Trigger ausführen
     * @return int >0 bei Erfolg, <0 bei Fehler
     */
    public function delete($user, $notrigger = 0)
    {
        $error = 0;

        $this->db->begin();

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

        $resql = $this->db->query($sql);
        if (!$resql) {
            $error++;
            $this->errors[] = "Error ".$this->db->lasterror();
        }

        if (!$error) {
            $this->db->commit();
            return 1;
        } else {
            $this->db->rollback();
            return -1;
        }
    }

    /**
     * Generiert die nächste Referenznummer
     *
     * @return string Nächste Referenz
     */
    private function getNextRef()
    {
        global $conf;

        $sql = "SELECT MAX(CAST(SUBSTRING(ref, 5) AS UNSIGNED)) as maxref";
        $sql .= " FROM ".MAIN_DB_PREFIX."steuer_buchung";
        $sql .= " WHERE ref LIKE 'BUC-%'";
        $sql .= " AND entity = ".((int) $conf->entity);

        $resql = $this->db->query($sql);
        if ($resql) {
            $obj = $this->db->fetch_object($resql);
            $num = isset($obj->maxref) ? $obj->maxref + 1 : 1;
            return 'BUC-'.sprintf('%06d', $num);
        }
        return 'BUC-000001';
    }

    /**
     * Gibt den Link zur Buchung zurück
     *
     * @param int $withpicto Mit Piktogramm
     * @param string $option Option
     * @return string HTML-Link
     */
    public function getNomUrl($withpicto = 0, $option = '')
    {
        global $langs;

        $result = '';
        $url = dol_buildpath('/steuer/buchung_card.php', 1).'?id='.$this->id;

        $label = '<u>'.$langs->trans("Buchung").'</u><br>';
        $label .= '<b>'.$langs->trans("Ref").':</b> '.$this->ref;

        $linkstart = '<a href="'.$url.'" title="'.dol_escape_htmltag($label, 1).'" class="classfortooltip">';
        $linkend = '</a>';

        if ($withpicto) {
            $result .= img_object($label, $this->picto, 'class="classfortooltip"');
        }
        $result .= $linkstart.$this->ref.$linkend;

        return $result;
    }

    /**
     * Holt alle Konten für Dropdown
     *
     * @param string $typ Optional: 'einnahme' oder 'ausgabe'
     * @return array Konten-Array
     */
    public static function getKonten($db, $typ = '')
    {
        global $conf;

        $konten = array();
        $sql = "SELECT rowid, kontonummer, bezeichnung, kategorie";
        $sql .= " FROM ".MAIN_DB_PREFIX."steuer_konto";
        $sql .= " WHERE aktiv = 1";
        $sql .= " AND entity = ".((int) $conf->entity);
        if ($typ) {
            $sql .= " AND kategorie = '".$db->escape($typ)."'";
        }
        $sql .= " ORDER BY kontonummer";

        $resql = $db->query($sql);
        if ($resql) {
            while ($obj = $db->fetch_object($resql)) {
                $konten[$obj->rowid] = $obj->kontonummer.' - '.$obj->bezeichnung;
            }
        }
        return $konten;
    }
}