<?php
/* Copyright (C) 2026 Eduard Wisch <data@data-it-solution.de>
 * GPL v3+
 */

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

/**
 * CRUD-Klasse für einen Bericht.
 * Eine Bericht-Instanz gehört zu einem Parent-Objekt (invoice|order|propal)
 * und enthält n Seiten (BerichtPage).
 */
class Bericht extends CommonObject
{
    public $element = 'bericht';
    public $table_element = 'bericht';
    public $picto = 'fa-file-pdf';

    public $id;
    public $entity;
    public $ref;
    public $titel;
    public $element_type;     // invoice | order | propal
    public $fk_element;
    public $auftragsnummer;
    public $template_odt;
    public $status;           // 0 = Entwurf, 1 = Final
    public $final_pdf_path;
    public $fk_user_creat;
    public $fk_user_modif;
    public $datec;
    public $tms;
    public $note;

    const STATUS_DRAFT = 0;
    const STATUS_FINAL = 1;

    public function __construct(DoliDB $db)
    {
        $this->db = $db;
    }

    public function create(User $user, $notrigger = 0)
    {
        global $conf;

        $this->entity   = $conf->entity;
        $this->datec    = dol_now();
        $this->status   = self::STATUS_DRAFT;
        $this->fk_user_creat = $user->id;

        if (empty($this->ref)) {
            $this->ref = 'BR'.date('ymd-His', $this->datec);
        }

        $sql = "INSERT INTO ".$this->db->prefix()."bericht ("
            ."entity, ref, titel, element_type, fk_element, auftragsnummer, template_odt, status, fk_user_creat, datec, note"
            .") VALUES ("
            .((int) $this->entity).","
            ."'".$this->db->escape($this->ref)."',"
            .($this->titel ? "'".$this->db->escape($this->titel)."'" : "NULL").","
            ."'".$this->db->escape($this->element_type)."',"
            .((int) $this->fk_element).","
            .($this->auftragsnummer ? "'".$this->db->escape($this->auftragsnummer)."'" : "NULL").","
            .($this->template_odt ? "'".$this->db->escape($this->template_odt)."'" : "NULL").","
            .((int) $this->status).","
            .((int) $this->fk_user_creat).","
            ."'".$this->db->idate($this->datec)."',"
            .($this->note ? "'".$this->db->escape($this->note)."'" : "NULL")
            .")";

        $this->db->begin();
        $res = $this->db->query($sql);
        if (!$res) {
            $this->error = $this->db->lasterror();
            $this->db->rollback();
            return -1;
        }
        $this->id = $this->db->last_insert_id($this->db->prefix()."bericht");
        $this->db->commit();
        return $this->id;
    }

    public function fetch($id)
    {
        $sql = "SELECT rowid, entity, ref, titel, element_type, fk_element, auftragsnummer, template_odt,"
            ." status, final_pdf_path, fk_user_creat, fk_user_modif, datec, tms, note"
            ." FROM ".$this->db->prefix()."bericht WHERE rowid = ".((int) $id);
        $res = $this->db->query($sql);
        if (!$res) {
            $this->error = $this->db->lasterror();
            return -1;
        }
        if ($this->db->num_rows($res) == 0) {
            return 0;
        }
        $obj = $this->db->fetch_object($res);
        $this->id              = $obj->rowid;
        $this->entity          = $obj->entity;
        $this->ref             = $obj->ref;
        $this->titel           = $obj->titel;
        $this->element_type    = $obj->element_type;
        $this->fk_element      = $obj->fk_element;
        $this->auftragsnummer  = $obj->auftragsnummer;
        $this->template_odt    = $obj->template_odt;
        $this->status          = (int) $obj->status;
        $this->final_pdf_path  = $obj->final_pdf_path;
        $this->fk_user_creat   = $obj->fk_user_creat;
        $this->fk_user_modif   = $obj->fk_user_modif;
        $this->datec           = $this->db->jdate($obj->datec);
        $this->tms             = $this->db->jdate($obj->tms);
        $this->note            = $obj->note;
        return 1;
    }

    public function update(User $user, $notrigger = 0)
    {
        $sql = "UPDATE ".$this->db->prefix()."bericht SET "
            ."titel = ".($this->titel ? "'".$this->db->escape($this->titel)."'" : "NULL").","
            ."auftragsnummer = ".($this->auftragsnummer ? "'".$this->db->escape($this->auftragsnummer)."'" : "NULL").","
            ."template_odt = ".($this->template_odt ? "'".$this->db->escape($this->template_odt)."'" : "NULL").","
            ."status = ".((int) $this->status).","
            ."final_pdf_path = ".($this->final_pdf_path ? "'".$this->db->escape($this->final_pdf_path)."'" : "NULL").","
            ."note = ".($this->note ? "'".$this->db->escape($this->note)."'" : "NULL").","
            ."fk_user_modif = ".((int) $user->id)
            ." WHERE rowid = ".((int) $this->id);
        $res = $this->db->query($sql);
        if (!$res) {
            $this->error = $this->db->lasterror();
            return -1;
        }
        return 1;
    }

    public function delete(User $user, $notrigger = 0)
    {
        $this->db->begin();
        // Seiten löschen (CASCADE räumt's bereits, aber explizit für robustes Verhalten)
        $this->db->query("DELETE FROM ".$this->db->prefix()."bericht_page WHERE fk_bericht = ".((int) $this->id));
        $res = $this->db->query("DELETE FROM ".$this->db->prefix()."bericht WHERE rowid = ".((int) $this->id));
        if (!$res) {
            $this->error = $this->db->lasterror();
            $this->db->rollback();
            return -1;
        }
        $this->db->commit();
        return 1;
    }

    /**
     * Liefert alle Berichte zu einem Parent-Objekt (direkt zugeordnet).
     *
     * @param string $element_type  invoice | order | propal
     * @param int    $fk_element    ID des Parent-Objekts
     * @return Bericht[]
     */
    public static function fetchAllForElement(DoliDB $db, $element_type, $fk_element)
    {
        $list = array();
        $sql = "SELECT rowid FROM ".$db->prefix()."bericht"
            ." WHERE element_type = '".$db->escape($element_type)."'"
            ." AND fk_element = ".((int) $fk_element)
            ." ORDER BY datec DESC";
        $res = $db->query($sql);
        if (!$res) return $list;
        while ($obj = $db->fetch_object($res)) {
            $b = new self($db);
            if ($b->fetch($obj->rowid) > 0) {
                $list[] = $b;
            }
        }
        return $list;
    }

    /**
     * Liefert Berichte, die per llx_element_element zusätzlich zu einem Parent verknüpft wurden.
     */
    public static function fetchLinkedForElement(DoliDB $db, $targettype, $fk_target)
    {
        $list = array();
        $sql = "SELECT b.rowid FROM ".$db->prefix()."bericht b"
            ." JOIN ".$db->prefix()."element_element e ON e.fk_source = b.rowid"
            ." WHERE e.sourcetype = 'bericht'"
            ." AND e.targettype = '".$db->escape($targettype)."'"
            ." AND e.fk_target = ".((int) $fk_target)
            ." ORDER BY b.datec DESC";
        $res = $db->query($sql);
        if (!$res) return $list;
        while ($obj = $db->fetch_object($res)) {
            $b = new self($db);
            if ($b->fetch($obj->rowid) > 0) {
                $list[] = $b;
            }
        }
        return $list;
    }

    /**
     * Erzeugt eine n:m-Verknüpfung zwischen einem Bericht und einem anderen Element.
     */
    public function linkToElement($targettype, $fk_target)
    {
        // Schon vorhanden?
        $sql = "SELECT rowid FROM ".$this->db->prefix()."element_element"
            ." WHERE sourcetype = 'bericht' AND fk_source = ".((int) $this->id)
            ." AND targettype = '".$this->db->escape($targettype)."'"
            ." AND fk_target = ".((int) $fk_target);
        $res = $this->db->query($sql);
        if ($res && $this->db->num_rows($res) > 0) return 1;

        $ins = "INSERT INTO ".$this->db->prefix()."element_element"
            ." (fk_source, sourcetype, fk_target, targettype) VALUES ("
            .((int) $this->id).", 'bericht', ".((int) $fk_target).", '".$this->db->escape($targettype)."')";
        return $this->db->query($ins) ? 1 : -1;
    }

    /**
     * Entfernt eine n:m-Verknüpfung.
     */
    public function unlinkFromElement($targettype, $fk_target)
    {
        $sql = "DELETE FROM ".$this->db->prefix()."element_element"
            ." WHERE sourcetype = 'bericht' AND fk_source = ".((int) $this->id)
            ." AND targettype = '".$this->db->escape($targettype)."'"
            ." AND fk_target = ".((int) $fk_target);
        return $this->db->query($sql) ? 1 : -1;
    }

    public function getLibStatut($mode = 0)
    {
        global $langs;
        $langs->load("bericht@bericht");
        if ($this->status == self::STATUS_FINAL) {
            return '<span class="badge badge-status4">'.$langs->trans("BerichtStatusFinal").'</span>';
        }
        return '<span class="badge badge-status0">'.$langs->trans("BerichtStatusDraft").'</span>';
    }
}

/**
 * Eine Seite eines Berichts.
 */
class BerichtPage
{
    public $db;
    public $id;
    public $fk_bericht;
    public $page_order;
    public $source_type;
    public $source_path;
    public $source_page;
    public $rotation;
    public $fabric_json;
    public $note;

    public function __construct(DoliDB $db)
    {
        $this->db = $db;
    }

    public function create()
    {
        $sql = "INSERT INTO ".$this->db->prefix()."bericht_page ("
            ."fk_bericht, page_order, source_type, source_path, source_page, rotation, fabric_json, note"
            .") VALUES ("
            .((int) $this->fk_bericht).","
            .((int) $this->page_order).","
            ."'".$this->db->escape($this->source_type)."',"
            ."'".$this->db->escape($this->source_path)."',"
            .($this->source_page !== null ? (int) $this->source_page : "NULL").","
            .((int) ($this->rotation ?? 0)).","
            .($this->fabric_json !== null ? "'".$this->db->escape($this->fabric_json)."'" : "NULL").","
            .($this->note ? "'".$this->db->escape($this->note)."'" : "NULL")
            .")";
        $res = $this->db->query($sql);
        if (!$res) return -1;
        $this->id = $this->db->last_insert_id($this->db->prefix()."bericht_page");
        return $this->id;
    }

    public function update()
    {
        $sql = "UPDATE ".$this->db->prefix()."bericht_page SET "
            ."page_order = ".((int) $this->page_order).","
            ."rotation = ".((int) ($this->rotation ?? 0)).","
            ."fabric_json = ".($this->fabric_json !== null ? "'".$this->db->escape($this->fabric_json)."'" : "NULL").","
            ."note = ".($this->note ? "'".$this->db->escape($this->note)."'" : "NULL")
            ." WHERE rowid = ".((int) $this->id);
        return $this->db->query($sql) ? 1 : -1;
    }

    public function delete()
    {
        return $this->db->query("DELETE FROM ".$this->db->prefix()."bericht_page WHERE rowid = ".((int) $this->id)) ? 1 : -1;
    }

    public static function fetchAllForBericht(DoliDB $db, $fk_bericht)
    {
        $list = array();
        $sql = "SELECT rowid, fk_bericht, page_order, source_type, source_path, source_page, rotation, fabric_json, note"
            ." FROM ".$db->prefix()."bericht_page"
            ." WHERE fk_bericht = ".((int) $fk_bericht)
            ." ORDER BY page_order ASC, rowid ASC";
        $res = $db->query($sql);
        if (!$res) return $list;
        while ($obj = $db->fetch_object($res)) {
            $p = new self($db);
            $p->id          = $obj->rowid;
            $p->fk_bericht  = $obj->fk_bericht;
            $p->page_order  = (int) $obj->page_order;
            $p->source_type = $obj->source_type;
            $p->source_path = $obj->source_path;
            $p->source_page = $obj->source_page !== null ? (int) $obj->source_page : null;
            $p->rotation    = (int) $obj->rotation;
            $p->fabric_json = $obj->fabric_json;
            $p->note        = $obj->note;
            $list[] = $p;
        }
        return $list;
    }
}