<?php

include_once __DIR__.'/core.php';

if (empty($structure) || empty($structure['enabled'])) {
    die(tr('Accesso negato'));
}

$upload_dir = DOCROOT.'/'.Uploads::getDirectory($id_module, $id_plugin);

$database->beginTransaction();

// Upload allegati e rimozione
if (filter('op') == 'link_file' || filter('op') == 'unlink_file') {
    // Controllo sui permessi di scrittura per il modulo
    if (Modules::getPermission($id_module) != 'rw') {
        flash()->error(tr('Non hai permessi di scrittura per il modulo _MODULE_', [
            '_MODULE_' => '"'.Modules::get($id_module)['name'].'"',
        ]));
    }

    // Controllo sui permessi di scrittura per il file system
    elseif (!directory($upload_dir)) {
        flash()->error(tr('Non hai i permessi di scrittura nella cartella _DIR_!', [
            '_DIR_' => '"files"',
        ]));
    }

    // Gestione delle operazioni
    else {
        // UPLOAD
        if (filter('op') == 'link_file' && !empty($_FILES) && !empty($_FILES['blob']['name'])) {
            $upload = Uploads::upload($_FILES['blob'], [
                'name' => filter('nome_allegato'),
                'category' => filter('categoria'),
                'id_module' => $id_module,
                'id_plugin' => $id_plugin,
                'id_record' => $id_record,
            ]);

            // Creazione file fisico
            if (!empty($upload)) {
                flash()->info(tr('File caricato correttamente!'));
            } else {
                flash()->error(tr('Errore durante il caricamento del file!'));
            }
        }

        // DELETE
        elseif (filter('op') == 'unlink_file' && filter('filename') !== null) {
            $name = Uploads::delete(filter('filename'), [
                'id_module' => $id_module,
                'id_plugin' => $id_plugin,
                'id_record' => $id_record,
            ]);

            if (!empty($name)) {
                flash()->info(tr('File _FILE_ eliminato!', [
                    '_FILE_' => '"'.$name.'"',
                ]));
            } else {
                flash()->error(tr("Errore durante l'eliminazione del file!"));
            }
        }

        redirect(ROOTDIR.'/editor.php?id_module='.$id_module.'&id_record='.$id_record.((!empty($options['id_plugin'])) ? '#tab_'.$options['id_plugin'] : ''));
    }
}

// Download allegati
elseif (filter('op') == 'download_file') {
    $rs = $dbo->fetchArray('SELECT * FROM zz_files WHERE id_module='.prepare($id_module).' AND id='.prepare(filter('id')).' AND filename='.prepare(filter('filename')));

    download($upload_dir.'/'.$rs[0]['filename'], $rs[0]['original']);
}

// Validazione dati
elseif (filter('op') == 'validate') {
    // Lettura informazioni di base
    $init = $structure->filepath('init.php');
    if (!empty($init)) {
        include_once $init;
    }

    // Validazione del campo
    $validation = $structure->filepath('validation.php');
    if (!empty($validation)) {
        include_once $validation;
    }

    echo json_encode($response);

    return;
}

// Invio email
elseif (post('op') == 'send-email') {
    $id_template = post('template');

    // Inizializzazione
    $mail = new Notifications\EmailNotification();
    $mail->setTemplate($id_template, $id_record);

    // Rimozione allegati predefiniti
    $mail->setAttachments([]);

    // Destinatari
    $receivers = array_clean(post('destinatari'));
    $types = post('tipo_destinatari');
    foreach ($receivers as $key => $receiver) {
        $mail->addReceiver($receiver, $types[$key]);
    }

    // Contenuti
    $mail->setSubject(post('subject'));
    $mail->setContent(post('body'));

    // Stampe da allegare
    $prints = post('prints');
    foreach ($prints as $print) {
        $mail->addPrint($print, $id_record);
    }

    // Allegati originali
    $files = post('attachments');
    foreach ($files as $file) {
        $mail->addUpload($file);
    }

    // Invio mail
    try {
        $mail->send(true); // Il valore true impone la gestione degli errori tramite eccezioni

        flash()->info(tr('Email inviata correttamente!'));
    } catch (PHPMailer\PHPMailer\Exception $e) {
        flash()->error(tr("Errore durante l'invio dell'email").': '.$e->errorMessage());
    }
}

// Inclusione di eventuale plugin personalizzato
if (!empty($structure['script'])) {
    include $structure->getEditFile();

    $database->commitTransaction();

    return;
}

// Lettura risultato query del modulo
$init = $structure->filepath('init.php');
if (!empty($init)) {
    include_once $init;
}

// Retrocompatibilità
if (!isset($record) && isset($records[0])) {
    $record = $records[0];
} elseif (!isset($records[0]) && isset($record)) {
    $records = [$record];
} elseif (!isset($record)) {
    $record = [];
    $records = [$record];
}

// Registrazione del record
HTMLBuilder\HTMLBuilder::setRecord($record);

if ($structure->permission == 'rw') {
    // Esecuzione delle operazioni di gruppo
    $id_records = post('id_records');
    $id_records = is_array($id_records) ? $id_records : explode(';', $id_records);
    $id_records = array_clean($id_records);
    $id_records = array_unique($id_records);

    $bulk = $structure->filepath('bulk.php');
    $bulk = empty($bulk) ? [] : include $bulk;
    $bulk = empty($bulk) ? [] : $bulk;

    if (in_array(post('op'), array_keys($bulk))) {
        redirect(ROOTDIR.'/controller.php?id_module='.$id_module, 'js');
    } else {
        // Esecuzione delle operazioni del modulo
        include $structure->filepath('actions.php');

        // Operazioni generiche per i campi personalizzati
        if (post('op') != null) {
            $custom_where = !empty($id_plugin) ? '`id_plugin` = '.prepare($id_plugin) : '`id_module` = '.prepare($id_module);

            $query = 'SELECT `id`, `html_name` AS `name` FROM `zz_fields` WHERE '.$custom_where;
            $customs = $dbo->fetchArray($query);

            if (!starts_with(post('op'), 'delete')) {
                $values = [];
                foreach ($customs as $custom) {
                    if (post($custom['name']) !== null) {
                        $values[$custom['id']] = post($custom['name']);
                    }
                }

                // Inserimento iniziale
                if (starts_with(post('op'), 'add')) {
                    // Informazioni di log
                    Filter::set('get', 'id_record', $id_record);

                    foreach ($values as $key => $value) {
                        $dbo->insert('zz_field_record', [
                            'id_record' => $id_record,
                            'id_field' => $key,
                            'value' => $value,
                        ]);
                    }
                }

                // Aggiornamento
                elseif (starts_with(post('op'), 'update')) {
                    $query = 'SELECT `zz_field_record`.`id_field` FROM `zz_field_record` JOIN `zz_fields` ON `zz_fields`.`id` = `zz_field_record`.`id_field` WHERE id_record = '.prepare($id_record).' AND '.$custom_where;
                    $customs_present = $dbo->fetchArray($query);
                    $customs_present = array_column($customs_present, 'id_field');

                    foreach ($values as $key => $value) {
                        if (in_array($key, $customs_present)) {
                            $dbo->update('zz_field_record', [
                                'value' => $value,
                            ], [
                                'id_record' => $id_record,
                                'id_field' => $key,
                            ]);
                        } else {
                            $dbo->insert('zz_field_record', [
                                'id_record' => $id_record,
                                'id_field' => $key,
                                'value' => $value,
                            ]);
                        }
                    }
                }
            }

            // Eliminazione
            elseif (!empty($customs)) {
                $dbo->query('DELETE FROM `zz_field_record` WHERE `id_record` = '.prepare($id_record).' AND `id_field` IN ('.implode(',', array_column($customs, 'id')).')');
            }
        }
    }
}

$database->commitTransaction();