<?php

namespace App\Controllers\Soporte;

use App\Models\Soporte\TicketModel;
use App\Models\CategoriaModel;
use App\Models\EstadoModel;
use CodeIgniter\Controller;
use App\Entities\Soporte\TicketEntity;
use App\Models\Soporte\ticketFileModel;


use App\Models\Collection;

class Ticketcontroller extends \App\Controllers\BaseResourceController
{

    protected $modelName = TicketModel::class;
    protected $format = 'json';

    protected static $singularObjectNameCc = 'ticket';
    protected static $singularObjectName = 'Ticket';
    protected static $pluralObjectName = 'Tickets';
    protected static $controllerSlug = 'ticket';

    protected static $viewPath = 'themes/vuexy/form/soporte/';

    protected $indexRoute = 'TicketIndex';


    public function initController(\CodeIgniter\HTTP\RequestInterface $request, \CodeIgniter\HTTP\ResponseInterface $response, \Psr\Log\LoggerInterface $logger)
    {
        $this->viewData['pageTitle'] = lang('Tickets.moduleTitle');

        // Breadcrumbs
        $this->viewData['breadcrumb'] = [
            ['title' => lang("App.menu_soporte"), 'route' => "javascript:void(0);", 'active' => false],
            ['title' => lang("App.menu_soporte_ticket_list"), 'route' => route_to('TicketIndex'), 'active' => true]
        ];

        parent::initController($request, $response, $logger);
    }

    public function index()
    {
        checkPermission('tickets.menu');

        $viewData = [
            'currentModule' => static::$controllerSlug,
            'pageSubTitle' => lang('Basic.global.ManageAllRecords', [lang('Tickets.tickets')]),
            'usingServerSideDataTable' => true,
            'userType' => auth()->user()->can('tickets.edit') ? 1 : 0,
        ];

        $viewData = array_merge($this->viewData, $viewData); // merge any possible values from the parent controller class

        return view(static::$viewPath . 'viewTicketList', $viewData);
    }

    private function sendMail($subject, $body, $recipient)
    {
        // Funcion wrapper para el servicio de envio de correos dentro de la fucionalidad previa
        $emailService = service('emailService');

        return $emailService->send($subject, $body, $recipient);
    }

    public function add()
    {

        checkPermission('tickets.create');

        if ($this->request->getPost()):

            $nullIfEmpty = false; // !(phpversion() >= '8.1');

            $postData = $this->request->getPost();

            // get user id
            $postData['usuario_id'] = auth()->user()->id;
            $postData['user_soporte_id'] = model('App\Models\Configuracion\ConfigVariableModel')->getVariable('default_soporte_user_id')->value;

            $sanitizedData = $this->sanitized($postData, $nullIfEmpty);

            $noException = true;
            if ($successfulResult = $this->canValidate()): // if ($successfulResult = $this->validate($this->formValidationRules) ) :


                if ($this->canValidate()):
                    try {
                        $successfulResult = $this->model->skipValidation(true)->save($sanitizedData);
                    } catch (\Exception $e) {
                        $noException = false;
                        $this->dealWithException($e);
                    }
                else:
                    $this->viewData['errorMessage'] = lang('Basic.global.formErr1', [lang('Basic.global.record')]);
                    $this->session->setFlashdata('formErrors', $this->model->errors());
                endif;

                $thenRedirect = true;  // Change this to false if you want your user to stay on the form after submission
            endif;
            if ($noException && $successfulResult):

                $id = $this->model->db->insertID();

                $this->saveImages($id, $this->request->getFiles());

                $message = lang('Basic.global.saveSuccess', [lang('Basic.global.record')]) . '.';

                $userModel = new \App\Models\Usuarios\UserModel();

                $this->sendMail(lang('Tickets.newTicket'), lang('Tickets.newTicketBody') . base_url(route_to('editTicket', $id)), $userModel->find($sanitizedData['user_soporte_id'])->email);

                if ($thenRedirect):
                    if (!empty($this->indexRoute)):
                        return redirect()->to(route_to($this->indexRoute))->with('successMessage', $message);
                    else:
                        return $this->redirect2listView('successMessage', $message);
                    endif;
                else:
                    $this->session->setFlashData('sweet-success', $message);
                endif;

            endif; // $noException && $successfulResult

        endif; // ($requestMethod === 'post')

        $this->viewData['ticket'] = isset($sanitizedData) ? new TicketEntity($sanitizedData) : new TicketEntity();

        $this->viewData['formAction'] = route_to('NewTicket');

        $this->viewData['categorias'] = $this->model->getCategorias();
        $this->viewData['estados'] = $this->model->getEstados();
        $this->viewData['secciones'] = $this->model->getSecciones();

        $this->viewData['supportUsers'] = $this->getSupportUsers();

        $this->viewData['boxTitle'] = lang('Basic.global.addNew') . ' ' . lang('Tickets.ticket') . ' ' . lang('Basic.global.addNewSuffix');


        return $this->displayForm(__METHOD__);
    } // end function add()

    public function edit($requestedId = null)
    {

        checkPermission('tickets.edit');

        $modelRespuesta = new \App\Models\Soporte\TicketRespuestaModel();

        if ($requestedId == null):
            return $this->redirect2listView();
        endif;
        $id = filter_var($requestedId, FILTER_SANITIZE_URL);
        $ticket = $this->model->find($id);

        if ($ticket == false):
            $message = lang('Basic.global.notFoundWithIdErr', [mb_strtolower(lang('Tickets.ticket')), $id]);
            return $this->redirect2listView('errorMessage', $message);
        endif;

        if (!auth()->user()->can('Tickets.edit') && auth()->user()->id != $ticket->usuario_id) {
            return redirect()->to(route_to('TicketIndex'))->with('errorMessage', lang('Basic.global.noPermission'));
        }

        if ($this->request->getPost()):

            $oldUserSupport = $ticket->user_soporte_id;
            $oldState = $ticket->estado_id;

            $postData = $this->request->getPost();
            $sanitizedData = $this->sanitized($postData, false);

            $noException = true;
            if ($successfulResult = $this->canValidate()): // if ($successfulResult = $this->validate($this->formValidationRules) ) :
                if ($this->canValidate()):
                    try {
                        $successfulResult = $this->model->skipValidation(true)->update($id, $sanitizedData);

                        $this->saveImages($id, $this->request->getFiles());

                        if (auth()->user()->can('Tickets.edit')) {

                            $respuesta = $modelRespuesta->where('ticket_id', $id)->first();
                            if ($respuesta == null) {
                                $modelRespuesta->insert([
                                    'ticket_id' => $id,
                                    'usuario_id' => auth()->user()->id,
                                    'mensaje' => $sanitizedData['respuesta_mensaje']
                                ]);
                            } else {
                                $modelRespuesta->update($respuesta->id, [
                                    'mensaje' => $sanitizedData['respuesta_mensaje'],
                                    'usuario_id' => auth()->user()->id,
                                ]);
                            }

                            // envio de correos
                            $userModel = new \App\Models\Usuarios\UserModel();
                            if ($oldUserSupport != $sanitizedData['user_soporte_id']) {
                                $this->sendMail(lang('Tickets.asgignToChanged'), lang('Tickets.asgignToChangedBody') . base_url(route_to('editTicket', $id)), $userModel->find($sanitizedData['user_soporte_id'])->email);
                            }

                            if ($oldState != $sanitizedData['estado_id']) {
                                $this->sendMail(lang('Tickets.stateChange'), lang('Tickets.stateChangeBody') . base_url(route_to('editTicket', $id)), $userModel->find($ticket->usuario_id)->email);
                            }

                        }

                    } catch (\Exception $e) {
                        $noException = false;
                        $this->dealWithException($e);
                    }
                else:
                    $this->viewData['warningMessage'] = lang('Basic.global.formErr1', [mb_strtolower(lang('Tickets.ticket'))]);
                    $this->session->setFlashdata('formErrors', $this->model->errors());

                endif;

                $ticket->fill($sanitizedData);

                $thenRedirect = false;
            endif;
            if ($noException && $successfulResult):
                $id = $ticket->id ?? $id;
                $message = lang('Basic.global.updateSuccess', [lang('Basic.global.record')]) . '.';

                if ($thenRedirect):
                    if (!empty($this->indexRoute)):
                        return redirect()->to(route_to($this->indexRoute))->with('successMessage', $message);
                    else:
                        return $this->redirect2listView('successMessage', $message);
                    endif;
                else:
                    return redirect()->to(route_to("editTicket", $id))->with('successMessage', $message);
                    //$this->session->setFlashData('sweet-success', $message);
                endif;

            endif; // $noException && $successfulResult
        endif; // ($requestMethod === 'post')

        $this->viewData['ticket'] = $ticket;
        $this->viewData['respuesta'] = $modelRespuesta->where('ticket_id', $id)->first();

        $this->viewData['formAction'] = route_to('updateTicket', $id);

        $this->viewData['categorias'] = $this->model->getCategorias();
        $this->viewData['estados'] = $this->model->getEstados();
        $this->viewData['secciones'] = $this->model->getSecciones();
        $this->viewData['supportUsers'] = $this->getSupportUsers();

        $this->viewData['imagesTicket'] = $this->getImages('ticket', $id);
        $this->viewData['imagesRespuesta'] = $this->getImages('respuesta', $id);

        $this->viewData['boxTitle'] = lang('Basic.global.edit2') . ' ' . lang('Tickets.ticket') . ' ' . lang('Basic.global.edit3');


        return $this->displayForm(__METHOD__, $id);
    } // end function edit(...)

    public function datatable()
    {
        if ($this->request->isAJAX()) {
            $reqData = $this->request->getPost();
            if (!isset($reqData['draw']) || !isset($reqData['columns'])) {
                $errstr = 'No data available in response to this specific request.';
                $response = $this->respond(Collection::datatable([], 0, 0, $errstr), 400, $errstr);
                return $response;
            }
            $start = $reqData['start'] ?? 0;
            $length = $reqData['length'] ?? 5;

            $requestedOrder = $reqData['order'] ?? [];

            $searchValues = get_filter_datatables_columns($reqData);

            if (auth()->user()->can('tickets.edit')) {
                $user_id = null;
            } else {
                $user_id = auth()->user()->id;
            }

            $resourceData = $this->model->getResource($searchValues, $user_id);
            foreach ($requestedOrder as $order) {
                $column = $order['column'] ?? 0;
                $dir = $order['dir'] ?? 'asc';
                $orderColumn = $this->model::SORTABLE[$column] ?? null;
                if ($orderColumn) {
                    $resourceData->orderBy($orderColumn, $dir);
                }
            }
            $resourceData = $resourceData->limit($length, $start)->get()->getResultObject();

            return $this->respond(Collection::datatable(
                $resourceData,
                $this->model->getResource($searchValues)->countAllResults(),
                $this->model->getResource($searchValues)->countAllResults()
            ));
        } else {
            return $this->failUnauthorized('Invalid request', 403);
        }
    }

    public function image($imageName)
    {
        $filePath = WRITEPATH . "uploads/tickets/" . $imageName;

        if (!file_exists($filePath)) {
            return $this->response->setStatusCode(404, 'Imagen no encontrada');
        }

        $mimeType = mime_content_type($filePath);

        return $this->response
            ->setHeader('Content-Type', $mimeType)
            ->setBody(file_get_contents($filePath));
    }

    private function saveImages($ticket_id, $files = [])
    {
        $uploadPath = WRITEPATH . 'uploads/tickets/';

        $fileModel = new ticketFileModel();

        if ($files && isset($files['files'])) {
            foreach ($files['files'] as $file) {
                if ($file->isValid() && !$file->hasMoved()) {
                    $originalName = $file->getClientName();
                    $fileExt = $file->getExtension();

                    // Generar hash SHA-256 basado en el contenido del archivo
                    $fileHash = hash_file("sha256", $file->getTempName());
                    $newFileName = $fileHash . '.' . $fileExt;

                    // Mover el archivo con el nombre basado en el hash
                    $file->move($uploadPath, $newFileName);

                    // Guardar en la base de datos
                    $fileModel->insert([
                        'nombre' => $originalName,
                        'ticket_id' => $ticket_id,
                        'hash' => $fileHash,
                        'path' => 'uploads/tickets/' . $newFileName
                    ]);
                }
            }
        }
    }

    private function getImages($tipo = 'ticket', $id = null)
    {
        $images = [];

        $model = new ticketFileModel();
        if ($tipo == 'ticket') {
            $files = $model->where('ticket_id', $id)->findAll();
            foreach ($files as $file) {
                $ext = pathinfo($file['nombre'], PATHINFO_EXTENSION);
                array_push($images, array(
                    "path" => '/soporte/image/' . $file['hash'] . "." . $ext,
                    "name" => $file['nombre']
                ));
            }
        } else {
            $files = $model->where('respuesta_id', $id)->findAll();
            foreach ($files as $file) {
                $ext = pathinfo($file['nombre'], PATHINFO_EXTENSION);
                array_push($images, array(
                    "path" => '/soporte/image/' . $file['hash'] . "." . $ext,
                    "name" => $file['nombre']
                ));
            }
        }
        return $images;
    }

    private function getSupportUsers()
    {
        $defatulSoporteUserId = model('App\Models\Configuracion\ConfigVariableModel')->getVariable('default_soporte_user_id')->value;
        $supportUsers = array(
            array(
                'id' => $defatulSoporteUserId,
                'name' => model('App\Models\Usuarios\UserModel')->getFullName($defatulSoporteUserId)
            ),
            array(
                'id' => 2,
                'name' => model('App\Models\Usuarios\UserModel')->getFullName(2)
            ),
            array(
                'id' => 1,
                'name' => model('App\Models\Usuarios\UserModel')->getFullName(1)
            ),
        );

        return $supportUsers;
    }
}