<?php

class PoprackmodulecableController extends mfBaseController
{

    protected function init()
    {
        $this->needlogin = true;
        $me = new User();
        $me->loadMe();
        $this->me = $me;
        $this->layout()->set("me", $me);

        if (!$me->is(["Admin"])) {
            $this->redirect("Dashboard");
        }
    }
    protected function apiAction()
    {
        $do = $this->request->do;
        $me = new User(); // Annahme, dass der User geladen werden muss für create_by etc.
        $me->loadMe();

        switch ($do) {
            case "addCable":
                $data = [
                    'poprackmodule_id' => $this->request->poprackmodule_id,
                    'cable_name' => trim($this->request->cable_name),
                    'port_start' => (int)$this->request->port_start,
                    'port_end' => (int)$this->request->port_end,
                    'fiber_start' => ($this->request->fiber_start) ? (int)$this->request->fiber_start : null,
                    'fiber_end' => ($this->request->fiber_end) ? (int)$this->request->fiber_end : null,
                    'description' => trim($this->request->description) ?: null,
                    'create_by' => $this->me->id,
                    'edit_by' => $this->me->id,
                ];

                $module = new Poprackmodule($data['poprackmodule_id']);
                if (!$module->id) {
                    $this->returnJson(['success' => false, 'error' => 'Modul nicht gefunden.']);
                    return;
                }
                if (empty($data['cable_name']) || empty($data['port_start']) || empty($data['port_end'])) {
                    $this->returnJson(['success' => false, 'error' => 'Alle Felder sind Pflichtfelder.']);
                    return;
                }
                if ($data['port_start'] > $data['port_end'] || $data['port_start'] < 1 || $data['port_end'] > $module->ports) {
                    $this->returnJson(['success' => false, 'error' => 'Ungültiger Port-Bereich. Ports müssen zwischen 1 und ' . $module->ports . ' liegen.']);
                    return;
                }
                if ($data['fiber_start'] && $data['fiber_end']) {
                    if ($data['fiber_start'] > $data['fiber_end']) {
                        $this->returnJson(['success' => false, 'error' => 'Faser-Start muss kleiner oder gleich Faser-Ende sein.']);
                        return;
                    }
                    $portCount = $data['port_end'] - $data['port_start'] + 1;
                    $fiberCount = $data['fiber_end'] - $data['fiber_start'] + 1;
                    if ($fiberCount > $portCount) {
                        $this->returnJson(['success' => false, 'error' => 'Anzahl der Fasern (' . $fiberCount . ') darf nicht größer als die der Ports (' . $portCount . ') sein.']);
                        return;
                    }
                }
                $existingCables = PoprackmodulecableModel::getForModule($data['poprackmodule_id']);
                $newStart = $data['port_start'];
                $newEnd = $data['port_end'];

                foreach ($existingCables as $existingCable) {
                    // Die Formel zur Prüfung auf Überlappung lautet: (StartA <= EndeB) und (EndeA >= StartB)
                    if ($newStart <= $existingCable->port_end && $newEnd >= $existingCable->port_start) {
                        $this->returnJson([
                            'success' => false,
                            'error' => 'Port-Bereich (' . $newStart . '-' . $newEnd . ') kollidiert mit Kabel "' . $existingCable->cable_name . '" (' . $existingCable->port_start . '-' . $existingCable->port_end . ').'
                        ]);
                        return; // Wichtig: Abbruch, wenn eine Kollision gefunden wurde
                    }
                }
                $cable = PoprackmodulecableModel::create($data);
                $newId = $cable->save();

                $this->returnJson(['success' => (bool)$newId]);
                break;
            case "updateCable":
                $cable_id = $this->request->id;
                $cable = new Poprackmodulecable($cable_id);
                if (!$cable->id) {
                    $this->returnJson(['success' => false, 'error' => 'Kabel nicht gefunden']);
                    return;
                }
                $data = [
                    'cable_name' => trim($this->request->cable_name),
                    'port_start' => (int)$this->request->port_start,
                    'port_end' => (int)$this->request->port_end,
                    'fiber_start' => ($this->request->fiber_start) ? (int)$this->request->fiber_start : null,
                    'fiber_end' => ($this->request->fiber_end) ? (int)$this->request->fiber_end : null,
                    'description' => trim($this->request->description) ?: null, // NEU
                    'edit_by' => $this->me->id,
                ];
                $module = new Poprackmodule($cable->poprackmodule_id);
                if (!$module->id) {
                    $this->returnJson(['success' => false, 'error' => 'Zugehöriges Modul nicht gefunden.']);
                    return;
                }
                if (empty($data['cable_name']) || empty($data['port_start']) || empty($data['port_end'])) {
                    $this->returnJson(['success' => false, 'error' => 'Alle Felder sind Pflichtfelder.']);
                    return;
                }
                if ($data['port_start'] > $data['port_end'] || $data['port_start'] < 1 || $data['port_end'] > $module->ports) {
                    $this->returnJson(['success' => false, 'error' => 'Ungültiger Port-Bereich. Ports müssen zwischen 1 und ' . $module->ports . ' liegen.']);
                    return;
                }
                if (($data['fiber_start'] && $data['fiber_end'])) {
                    if ($data['fiber_start'] > $data['fiber_end']) {
                        $this->returnJson(['success' => false, 'error' => 'Faser-Start muss kleiner oder gleich Faser-Ende sein.']);
                        return;
                    }
                    $portCount = $data['port_end'] - $data['port_start'] + 1;
                    $fiberCount = $data['fiber_end'] - $data['fiber_start'] + 1;
                    if ($fiberCount > $portCount) {
                        $this->returnJson(['success' => false, 'error' => 'Anzahl der Fasern (' . $fiberCount . ') darf nicht größer als die der Ports (' . $portCount . ') sein.']);
                        return;
                    }
                }
                $existingCables = PoprackmodulecableModel::getForModule($cable->poprackmodule_id);
                $newStart = $data['port_start'];
                $newEnd = $data['port_end'];

                foreach ($existingCables as $existingCable) {
                    if ($existingCable->id == $cable_id) {
                        continue;
                    }
                    if ($newStart <= $existingCable->port_end && $newEnd >= $existingCable->port_start) {
                        $this->returnJson([
                            'success' => false,
                            'error' => 'Port-Bereich (' . $newStart . '-' . $newEnd . ') kollidiert mit Kabel "' . $existingCable->cable_name . '" (' . $existingCable->port_start . '-' . $existingCable->port_end . ').'
                        ]);
                        return;
                    }
                }

                $cable->update($data);
                $cable->save();

                $this->returnJson(['success' => true]);
                break;

            case "removeCable":
                $cable_id = $this->request->id;
                if (!is_numeric($cable_id)) {
                    $this->returnJson(['success' => false, 'error' => 'Ungültige ID.']);
                    return;
                }

                $cable = new Poprackmodulecable($cable_id);
                if ($cable->id) {
                    $cable->delete();
                    $this->returnJson(['success' => true]);
                } else {
                    $this->returnJson(['success' => false, 'error' => 'Kabel nicht gefunden']);
                }
                break;

            default:
                $this->returnJson(['success' => false, 'error' => 'Unbekannte Aktion']);
                break;
        }
    }
    protected function indexAction()
    {

        $this->layout()->setTemplate("Poprackmodulecable/Index");
        $poprackmodulecables = PoprackmodulecableModel::getAll();
        $this->layout()->set("poprackmodulecables", $poprackmodulecables);

    }

    protected function addAction()
    {
        $poprackmodules=PoprackmoduleModel::getAll();
        $this->layout()->set("poprackmodules", $poprackmodules);
    
        $this->layout()->setTemplate("Poprackmodulecable/Form");

    }

    protected function editAction()
    {
        $id = $this->request->id;

        if (!is_numeric($id) || !$id) {
            $this->layout()->setFlash("dfsdf nicht gefunden", "error");
            $this->redirect("Poprackmodulecable");
        }

        $poprackmodulecables = new Poprackmodulecable($id);
        if ($poprackmodulecables->id != $id) {
            $this->layout()->setFlash("dfsdf nicht gefunden", "error");
            $this->redirect("Poprackmodulecable");
        }

        $this->layout()->set("poprackmodulecables", $poprackmodulecables);
        return $this->addAction();
    }

    protected function saveAction()
    {
        $r = $this->request;
        $id = $r->id;
        //var_dump($r->get());exit;
        if (is_numeric($id) && $id > 0) {
            $mode = "edit";
            $poprackmodulecables = new Poprackmodulecable($id);
            if (!$poprackmodulecables->id) {
                $this->layout()->setFlash("dfsdf nicht gefunden", "error");
                $this->redirect("Poprackmodulecable");
            }
        } else {
            $mode = "add";
        }

        $data = [];
        $data['poprackmodule_id'] = trim($r->poprackmodule_id);
        $data['cable_name'] = trim($r->cable_name);
        $data['port_start'] = trim($r->port_start);
        $data['port_end'] = trim($r->port_end);
        

        if (!$data['poprackmodule_id']) {
            $data['poprackmodule_id']=NULL;
        }
        if (!$data['cable_name']) {
            $data['cable_name']=NULL;
        }
        if (!$data['port_start']) {
            $data['port_start']=NULL;
        }
        if (!$data['port_end']) {
            $data['port_end']=NULL;
        }
        

//        var_dump($_FILES);
//        var_dump($upload);
//        exit;


        if ($mode == "edit") {
            $poprackmodulecables->update($data);

        } else {
            $poprackmodulecables = PoprackmodulecableModel::create($data);
        }
//        var_dump($filestore);
//        exit;
        $id = $poprackmodulecables->save();

        if (!$id) {
            $this->layout()->setFlash("dfsdf konnte nicht angelegt werden", "error");
            $this->redirect("Poprackmodulecable");
        }

        if ($mode == "edit") {
            $this->layout()->setFlash("dfsdf erfolgreich geändert", "success");
        } else if ($mode = "add") {
            $this->layout()->setFlash("dfsdf erfolgreich angelegt", "success");
        }
        $this->redirect("Poprackmodulecable");
    }


    protected function deleteAction()
    {
        $id = $this->request->id;
        $poprackmodulecables = new Poprackmodulecable($id);
        if (!$poprackmodulecables->id || $poprackmodulecables->id != $id) {
            $this->layout()->setFlash("dfsdf nicht gefunden.", "error");
            $this->redirect("Poprackmodulecable");
        }

        $poprackmodulecables->delete();
        $this->redirect("Poprackmodulecable");
    }

}