<?php namespace ProcessWire;

/**
 * @param Page $paxina
 * @return array
 */

function getConfig($paxina)
{
    $configuracion = array();

    foreach($paxina->configuracion as $config)
    {
        switch ($config->parametro_tipo->value)
        {
            case 'texto':
                $configuracion[$config->parametro_nome] = $config->parametro_valor;
                break;
            case 'cor':
                list($r, $g, $b) = sscanf($config->parametro_cor, "%02x%02x%02x");
                $configuracion[$config->parametro_nome] = $r . ', ' . $g . ', ' . $b;
                break;
            case 'mantemento':
                if($config->parametro_mantemento==1)
                {
                    $configuracion['mantemento'] = array(
                        'activo' => true,
                        'titular' => $config->titular,
                        'artigo' => $config->artigo,
                        'imaxe' => $config->imaxe
                    );
                }
                else
                {
                    $configuracion['mantemento'] = array('activo' => false);
                }
                break;
            case 'logo':
                foreach($config->imaxes as $logo)
                {
                    $configuracion['logo'][$logo->tags] = array(
                        'url' => $logo->url,
                        'alt' => $logo->description
                    );
                }
                break;
        }
    }

    return $configuracion;
}

/**
 * @param array|PageArray $seccions
 * @return string
 */

function getSeccions($seccions)
{
    $saida = '';
    $posicion = 0;

    foreach($seccions as $seccion)
    {
        $posicion++;
        switch($seccion->template)
        {
            case 'repeater_seccions':
                switch ($seccion->seccion_tipo->value)
                {
                    case 'deslizante':
                        $saida .= renderDeslizante($seccion);
                        break;
                    case 'destacados':
                        $saida .= renderDestacado($seccion);
                        break;
                    case 'columnas':
                        $saida .= renderColumna($seccion);
                        break;
                    case 'imaxe_texto_lateral':
                        $saida .= renderImaxeTexto($seccion);
                        break;
                    case 'opinions':
                        $saida .= renderOpinions($seccion);
                        break;
                    case 'texto':
                        $saida .= renderTexto($seccion);
                        break;
                    case 'galeria':
                        $saida .= renderGaleria($seccion);
                        break;
                    case 'reixa':
                        $saida .= renderReixa($seccion);
                        break;
                }
                break;
            case 'repeater_deslizante':
                $saida .= renderDiapositiva($seccion, $posicion);
                break;
            case 'repeater_botons':
                $saida .= renderBoton($seccion);
                break;
            case 'repeater_ligazon_imaxe':
                $saida .= renderLigazonImaxe($seccion);
                break;
            case 'repeater_destacados':
            case 'repeater_columnas':
                $saida .= renderElemento($seccion, $posicion);
                break;
            case 'repeater_opinions':
                $saida .= renderCita($seccion);
                break;
        }
    }
    return $saida;
}

/**
 * @param string $texto
 * @return string
 */

function getTextoLimpo($texto)
{
    $texto = preg_replace ('/<[^>]*>/', ' ', $texto);
    $texto = str_replace("\r", '', $texto);
    $texto = str_replace("\n", ' ', $texto);
    $texto = str_replace("\t", ' ', $texto);
    $texto = trim(preg_replace('/ {2,}/', ' ', $texto));

    return $texto;
}

/**
 * @param PageArray $paxinas
 * @param string $clase
 * @return string
 */

function renderMenu($paxinas, $clase = 'navbar-nav')
{
    $saida = '';
    $inicio = wire('pages')->get('/');
    $actual = wire('page');

    if($paxinas instanceof Page)
    {
        $paxinas = array($paxinas);
    }

    $saida .= '<ul class="' . $clase . '">' . "\n";
    $saida .= '<li class="nav-item px-3 px-md-0 ' . (($inicio->id == $actual->id) ? ' active' : '') . '">';
    $saida .= '<a class="nav-link text-uppercase link-dark px-2' . (($inicio->id == $actual->id) ? ' active" aria-current="page' : '') . '" href="' . $inicio->url . '">' . mb_strtoupper($inicio->title) . '</a>';
    $saida .= '</li>' .  "\n";

    foreach($paxinas as $paxina)
    {
        $saida .= '<li class="nav-item px-3 px-md-0 ' . (($paxina->id == $actual->id) ? ' active' : '') . '">';
        $saida .= '<a class="nav-link text-uppercase link-dark px-2' . (($paxina->id == $actual->id) ? ' active" aria-current="page' : '') . '" href="' . $paxina->url . '">' . mb_strtoupper($paxina->title) . '</a>';   
        $saida .= '</li>' .  "\n";
    }
    $saida .= '</ul>' . "\n";

    return $saida;
}
 
/**
 * @param array|PageArray $paxina
* @param string $separador
* @return string
*/

function renderMigasPan($paxina, $separador = '<i class="icon-chevrons-right"></i>')
{
    $saida = '';
    $icono = '';

    switch ($paxina->template)
    {
        case 'inicio':
            $icono = 'home';
            break;
        case 'paxina':
        case 'habitacions':
        case 'habitacion':
            $icono = 'play';
            break;
        case 'blogue':
            $icono = 'book';
            break;
        case 'categoria':
            $icono = 'folder';
            break;
        case 'etiqueta':
            $icono = 'tag';
            break;
        case 'publicacion':
            $icono = 'book-open';
            break;
        case 'contacto':
            $icono = 'user';
            break;
    }

    $saida .= '<div id="migas_pan" class="container">' . "\n";
    $saida .= '<nav style="--bs-breadcrumb-divider: '. "''" . ';" aria-label="breadcrumb">' . "\n";
    $saida .= '<ol class="breadcrumb">' . "\n";

    foreach($paxina->parents() as $pai)
    {
        $saida .= '<li class="breadcrumb-item">' . $separador . '<a href="' . $pai->url . '">' . $pai->title . '</a></li>';
    }
    $saida .= '<li class="breadcrumb-item active" aria-current="page">' . $separador . ' ' . (($icono != '')? '<i class="icon-' . $icono . '"></i> ' : '') . '<span>' . $paxina->title . '</span>';
    if($paxina->editable()):
        $saida .= ' [ <a href="' . $paxina->editURL . '"><i class="icon-edit"></i> ' . _x('Edit', 'Edit page') . ' </a> ]';
    endif;
    $saida .= '</li>' . "\n";

    $saida .= '</ol>' . "\n";
    $saida .= '</nav>' . "\n";
    $saida .= '</div>';

    return $saida;
}

/**
 * @param string $titulo
 * @param string $texto
 * @param array|PageArray $imaxe
 * @return string
 */

function renderTextoMantemento($titulo, $texto, $imaxe)
{
    $saida = '';

    $saida .= '<div class="container px-lg-4 pb-5 text-center">' . "\n";
    $saida .= '<h2>' . $titulo . '</h2>' . "\n";
    $saida .= '<div class="col-lg-6 mx-auto">' . "\n";
    $saida .= $texto . "\n";
    $saida .= '</div>' . "\n";
    $saida .= '<div>' . "\n";
    $saida .= '<div class="container px-lg-5">' . "\n";
    $saida .= '<img src="' . $imaxe->url . '" class="img-fluid border rounded-3 shadow-lg p-3 p-lg-5 mb-4" alt="' . $imaxe->description . '" loading="lazy" width="700" height="500">' . "\n";
    $saida .= '</div>' . "\n";
    $saida .= '</div>' . "\n";

    return $saida;
}

/**
 * @param array|PageArray $seccion
 * @return string
 */

function renderGaleria($seccion)
{
    $saida = '';

    $saida .= '<section id="galeria" class="swiper d-none d-md-block">' . "\n";
    $saida .= '<h3 class="visually-hidden">' . (($seccion->titular) ? $seccion->titular : 'Galeria') . '</h3>' . "\n";
    $saida .= '<div class="swiper-wrapper">' . "\n";
    foreach($seccion->imaxes as $imaxe)
    {
        $saida .= '<div class="swiper-slide">' . "\n";
        $saida .= '<figure>' . "\n";
        $saida .= '<img src="' . $imaxe->url . '" alt="' . $imaxe->description . '" loading="lazy">' . "\n";
        $saida .= '<figcaption>' . $imaxe->description . '</figcaption>' . "\n";
        $saida .= '</figure>' . "\n";
        $saida .= '<div class="swiper-lazy-preloader swiper-lazy-preloader-white"></div>' . "\n";
        $saida .= '</div>' . "\n";
    }
    $saida .= '</div>' . "\n";

    $saida .= '<div class="swiper-button-prev"><span class="visually-hidden">Previous</span></div>' . "\n";
    $saida .= '<div class="swiper-button-next"><span class="visually-hidden">Next</span></div>' . "\n";
    $saida .= '<div class="swiper-pagination"></div>' . "\n";
    $saida .= '</section>';

    return $saida;
}

/**
 * @param array|PageArray $seccion
 * @return string
 */

function renderReixa($seccion)
{
    $saida = '';

    $saida .= '<section class="container">' . "\n";
    $saida .= '<h3 class="visually-hidden">' . (($seccion->titular) ? $seccion->titular : 'Reixa') . '</h3>' . "\n";
    $saida .= '<div class="row row-cols-1 row-cols-sm-2 row-cols-md-3">' . "\n";
    foreach($seccion->imaxes as $imaxe)
    {
        $saida .= '<figure class="col py-3">' . "\n";
        $saida .= '<img class="reixa-item" src="' . $imaxe->url . '" alt="' . $imaxe->description . '">' . "\n";
        $saida .= '</figure>' . "\n";
    }
    $saida .= '</div>'  . "\n";

    $saida .= '<div class="modal fade" id="reixa-modal" tabindex="-1" aria-labelledby="reixa-modal-label" aria-hidden="true">'  . "\n";
    $saida .= '<div class="modal-dialog modal-dialog-centered modal-lg">'  . "\n";
    $saida .= '<div class="modal-content">'  . "\n";
    $saida .= '<div class="modal-header">'  . "\n";
    $saida .= '<button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>'  . "\n";
    $saida .= '</div>'  . "\n";
    $saida .= '<div class="modal-body">'  . "\n";
    $saida .= '<figure class="col">' . "\n";
    $saida .= '<img class="modal-img" src="' . $imaxe->url . '" alt="' . $imaxe->description . '">' . "\n";
    $saida .= '<figcaption class="modal-label">' . $imaxe->description . '</figcaption>' . "\n";
    $saida .= '</figure>' . "\n";
    $saida .= '</div>'  . "\n";
    $saida .= '</div>'  . "\n";
    $saida .= '</div>'  . "\n";
    $saida .= '</div>'  . "\n";
    $saida .= '</section>';

    return $saida;
}

/**
 * @param array|PageArray $seccion
 * @return string
 */

function renderImaxeTexto($seccion)
{
    $saida = '';
    $imaxe = '';
    $texto = '';
    $botons = '';

    if($seccion->imaxe)
    {
        $imaxe .= renderImaxe($seccion);
    }

    $texto .= renderTexto($seccion);

    if($seccion->botons->isEmpty())
    {
        $botons .= '<div class="row text-center">' . "\n";
        $botons .= getSeccions($seccion->botons) . "\n";
        $botons .= '</div>' . "\n";
    }
    
    switch ($seccion->imaxe_posicion->value)
    {
        case 'superior':
            $saida .= '<section class="container mb-5 text-center">' . "\n";
            $saida .= '<div class="row mb-5">'  . "\n";
            $saida .= $imaxe . "\n";
            $saida .= '</div>'  . "\n";
            $saida .= '<div class="row text-start mb-5">'  . "\n";
            $saida .= $texto . "\n";
            $saida .= '</div>'  . "\n";
            $saida .= $botons . "\n";
            break;
        case 'esquerda':
            $saida .= '<section class="container mb-5">' . "\n";
            $saida .= '<div class="row align-items-center">'  . "\n";
            $saida .= '<div class="col col-lg-6 text-center">' . "\n";
            $saida .= $imaxe . "\n";
            $saida .= '</div>'  . "\n";
            $saida .= '<div class="col col-lg-6 text-center">' . "\n";
            $saida .= $texto . "\n";
            $saida .= $botons . "\n";
            $saida .= '</div>'  . "\n";
            $saida .= '</div>'  . "\n";
            break;
        case 'dereita':
            $saida .= '<section class="container mb-5">' . "\n";
            $saida .= '<div class="row align-items-center">'  . "\n";
            $saida .= '<div class="col col-lg-6 text-center">' . "\n";
            $saida .= $texto . "\n";
            $saida .= $botons . "\n";
            $saida .= '</div>'  . "\n";
            $saida .= '<div class="col col-lg-6  text-center">' . "\n";
            $saida .= $imaxe . "\n";
            $saida .= '</div>'  . "\n";
            $saida .= '</div>'  . "\n";
            break;
    }
    $saida .= '</section>' . "\n";

    return $saida;
}

/**
 * @param array|PageArray $seccion
 * @return string
 */

function renderImaxe($seccion)
{
    $saida = '';

    $saida .= '<figure>' . "\n";
    $saida .= '<img src="' . $seccion->imaxe->url . '" alt="' . $seccion->maxe->description . '" loading="lazy">' . "\n";
    $saida .= '<figcaption>' . $seccion->imaxe->description . '</figcaption>' . "\n";
    $saida .= '</figure>' . "\n";

    return $saida;
}

/**
 * @param array|PageArray $seccion
 * @return string
 */

function renderTexto($seccion)
{
    $saida = '';

    if($seccion->titular)
    {
        $saida .= '<div>' . "\n";
        $saida .= '<h3 class="fw-semibold">' . $seccion->titular . '</h3>' . "\n";
        $saida .= '</div>' . "\n";
    }
    $saida .= '<div class="row text-start mb-5">' . "\n";
    $saida .= $seccion->artigo  . "\n";
    $saida .= '</div>'  . "\n";

    return $saida;
}

/**
 * @param array|PageArray $seccion
 * @return string
 */

function renderBoton($seccion)
{
    $saida = '';
    $clases = '';
    $sufijo = '';

    switch ($seccion->botons_estilo->value)
    {
        case 'activo':
            $clases = 'btn btn-lg btn-primary';
            break;
        case 'secundario':
            $clases = 'btn btn-lg btn-secundary';
            break;
        case 'inactivo':
            $clases = 'btn btn-lg btn-primary disabled';
            break;
        case 'aviso':
            $clases = 'btn btn-lg text-black btn-outline-warning';
            break;
        case 'ligazon':
            $clases = 'd-inline-flex align-items-center link-primary text-decoration-none text-uppercase';
            $sufijo = ' <i class="icon-chevrons-right"></i>';
            break;
    }

    $saida .= '<div class="col mx-auto"><a href="' . (($seccion->ligazon_interna) ? $seccion->ligazon_interna->url : '#') . '" class="' . $clases . '">' . (($seccion->parametro_valor)? $seccion->parametro_valor : $seccion->ligazon_interna->title) . $sufijo . '</a></div>';
    
    return $saida;
}

/**
 * @param array|PageArray $seccion
 * @return string
 */

function renderLigazonImaxe($seccion)
{
    $saida = '';

    $saida .= '<figure class="col effect-ming">' . "\n";
    $saida .= '<img src="' . $seccion->imaxe->url . '" alt="' . $seccion->imaxe->description . '">' . "\n";
    $saida .= '<figcaption>' . "\n";
    $saida .= '<h3>' . $seccion->titular . '</h3>' . "\n";
    $saida .= '<p>' . _x('See details', 'see details') . '</p>' . "\n";
    $saida .= '<a href=' . $seccion->ligazon_interna->url . '></a>' . "\n";
    $saida .= '</figcaption>' . "\n";
    $saida .= '</figure>' . "\n";

    return $saida;
}

/**
 * @param array|PageArray $seccion
 * @return string
 */

 function renderDestacado($seccion)
 {
     $saida = '';
     $icona = '';
 
     $saida .= '<section class="container mb-5 text-center">' . "\n";
     $saida .= '<h2 class="border-bottom my-3">' . $seccion->titular . '</h2>' . "\n";
     $saida .= '<div class="row row-cols-1 row-cols-lg-3 g-4">'  . "\n";
     $saida .= getSeccions($seccion->destacados);
     $saida .= '</div>'  . "\n";
     $saida .= '</section>' . "\n";
 
     return $saida;
 }

/**
 * @param array|PageArray $seccion
 * @param int $posicion
 * @return string
 */

function renderElemento($seccion, $posicion = 0)
{
    $saida = '';

    $saida .= '<div class="col flex-grow-1 d-flex align-items-start">'  . "\n";
    switch($seccion->destacado_icona_tipo->value)
    {
        case 'icona':
            $saida .= '<div class="feature-icon d-inline-flex align-items-center justify-content-center flex-shrink-0 text-bg-primary bg-gradient fs-4 rounded-3 me-3"><i class="' . $seccion->parametro_valor .' bi"></i></div>';
            break;
        case 'imaxe':
            $saida .= '<div class="feature-icon d-inline-flex align-items-center justify-content-center flex-shrink-0 text-bg-primary bg-gradient fs-4 rounded-3 me-3"><img src="' . $seccion->imaxe->url . '" alt="' . $seccion->imaxe->description . '"></div>';
            break;
        case 'posicion':
            $saida .= '<div class="d-inline-flex align-items-center justify-content-center fs-4 flex-shrink-0 me-3"><span class="display-2 fw-bold text-secondary">' . $posicion . '</span></div>';
            break;
        default:
            $saida .= '';
            break;
    }
    $saida .= '<div class="row mb-5">'  . "\n";
    $saida .= '<div class="col mx-auto text-start">' . "\n";
    $saida .= renderTexto($seccion);
    if($seccion->botons && $seccion->botons->isEmpty())
    {
        $saida .= '<div class="row text-center">' . "\n";
        $saida .= getSeccions($seccion->botons) . "\n";
        $saida .= '</div>' . "\n";
    }
    $saida .= '</div>'  . "\n";
    $saida .= '</div>'  . "\n";
    $saida .= '</div>'  . "\n";

    return $saida;
}

/**
 * @param array|PageArray $seccion
 * @return string
 */

function renderCategoriasEtiquetas($seccion)
{
    $saida = '';

    switch ($seccion->first()->template->name)
    {
        case 'categoria':
            $icono = 'folder';
            $nome = 'categorias';
            break;
        
        case 'etiqueta':
            $icono = 'tag';
            $nome = 'etiquetas';
            break;
        default:
            $icono = 'sn';
            $nome = 'sin';
            break;
    }

    $saida .= '<div id="' . $nome . '" class="col p-3">' . "\n";
    $saida .= '<a class="collapse-head" data-bs-toggle="collapse" href="#collapse-' . $nome . '" role="button" aria-expanded="false" aria-controls="collapse-' . $nome . '">' . "\n";
    $saida .= '<h3>' . pages()->get('/noticias/' . $nome)->title . '</h3>' . "\n";
    $saida .= '</a>' . "\n";
    $saida .= '<div class="collapse" id="collapse-' . $nome . '">' . "\n";
    $saida .= '<ul class="list-group">' . "\n";
    foreach($seccion as $item)
    {
        $numPosts = pages()->count('template=publicacion, ' . $nome . '=' . $item->name);

        $saida .= '<li class="list-group-item d-flex justify-content-between align-items-start">' . "\n";
        $saida .= '<a class="ms-2 me-auto" href="' . $item->url . '"><i class="icon-' . $icono . '"></i> ' . $item->title . '</a>' . "\n";
        $saida .= '<span class="badge bg-primary rounded-pill">(' . sprintf(_n('%d post', '%d posts', $numPosts), $numPosts) . ')</span>' . "\n";
        $saida .= '</li>' . "\n";
    }
    $saida .= '</ul>' . "\n";
    $saida .= '</div>' . "\n";
    $saida .= '</div>' . "\n";

    return $saida;
}

/**
 * @param array|PageArray $artigos
 * @param int $posicion
 * @return string
 */

function renderPaxinacion($artigos, $posicion)
{
    $paxinacion = $artigos->renderPager(
        array(
            'listMarkup' => '<nav id="paxinacion-' . $posicion . '" class="paxinacion"><ul>{out}</ul></nav>',
            'itemMarkup' => '<li class="{class}">{out}</li>',
            'linkMarkup' => '<a href="{url}"><span>{out}</span></a>',
            'nextItemLabel' => '<i class="icon-skip-forward"></i>',
            'previousItemLabel' => '<i class="icon-skip-back"></i>',
            'separatorItemClass' => 'separador',
            'nextItemClass' => 'seguinte',
            'previousItemClass' => 'anterior',
            'lastItemClass' => 'derradeiro',
            'currentItemClass' => 'actual'
        )
    );
    
    return $paxinacion;
}

/**
 * @param array|PageArray $publicacion
 * @param string $locale
 * @param boolean $resumen
 * @return string
 */

function renderArtigos($publicacion, $locale, $resumen = true)
{
    $saida = '';

    $data = strtotime($publicacion->fecha_publicacion);

    $dateFormatter = \IntlDateFormatter::create(
        $locale,
        \IntlDateFormatter::NONE,
        \IntlDateFormatter::NONE,
        \date_default_timezone_get(),
        \IntlDateFormatter::GREGORIAN
    );

    $saida .= '<article id="' . $publicacion->name .'" class="container">' . "\n";
    $saida .= '<header class="d-flex gap-3 mb-3">' . "\n";
    $saida .= '<time datetime="' . $publicacion->fecha_publicacion . '">' ."\n";
    $dateFormatter->setPattern('EEEE');
    $saida .= '<em>' . ucfirst(datefmt_format($dateFormatter, $data)) . '</em>' . "\n";
    $dateFormatter->setPattern('MMMM');
    $saida .= '<strong>' . ucfirst(datefmt_format($dateFormatter, $data)) . '</strong>' . "\n";
    $dateFormatter->setPattern('dd');
    $saida .= '<span>' . datefmt_format($dateFormatter, $data) . '</span>' . "\n";
    $saida .= '</time>' . "\n";
    $saida .= '<div>' . "\n";
    $saida .= '<h3 class="publicacion-titulo">' . "\n";
    $saida .= '<a href="' . $publicacion->url . '"><i class="icon-' . (($resumen) ? 'book' : 'book-open') . '"></i> ' . $publicacion->title . '</a>' . "\n";
    $saida .= '</h3>' . "\n";
    $saida .= '<dl>' . "\n";
    $saida .= '<dt title="' . pages()->get('/noticias/categorias/')->title . '"><i class="icon-folder"></i><span class="d-none d-lg-inline"> ' . pages()->get('/noticias/categorias/')->title . '</span></dt>' . "\n";
    $saida .= '<dd><a href="' . $publicacion->categorias->url . '">' . $publicacion->categorias->title . '</a></dd>' . "\n";
    $saida .= '<dt title="' . pages()->get('/noticias/etiquetas/')->title . '"><i class="icon-tag"></i><span class="d-none d-lg-inline"> ' . pages()->get('/noticias/etiquetas/')->title . '</span></dt>' . "\n";
    $saida .= '<dd>' . $publicacion->etiquetas->each("<a href='{url}'>{title}</a>") . '</dd>' . "\n";
    $saida .= '</dl>' . "\n";
    $saida .= '</div>' . "\n";
    $saida .= '</header>' . "\n";

    if($resumen)
    {
        if($publicacion->imaxe)
        {
            $thumb = $publicacion->imaxe->size(466, 260);
            $saida .= '<img class="mw-100" src="' . $thumb->url . '" alt="' . $publicacion->imaxe->description . '">' . "\n";
        }
        $saida .= '<div class="resumo mb-5">' . "\n";
        $saida .= '<p>' . renderResumen(getTextoLimpo(getSeccions($publicacion->seccions))) . '</p>' . "\n";
        $saida .= '<p><a href="' . $publicacion->url . '"><i class="icon-arrow-right"></i>' . _x("Read more", "Read more") . '</a></p>' ."\n";
        $saida .= '</div>' . "\n";
    }
    else
    {
        if($publicacion->imaxe)
        {
            $thumb = $publicacion->imaxe->size(466, 260);
            $saida .= '<a href="' . $publicacion->imaxe->url . '"><img class="mw-100" src="' . $thumb->url . '" alt="' . $publicacion->imaxe->description . '"></a>' . "\n";
        }
        $saida .= '<div class="secciones mb-5">' . "\n";
        $saida .= getSeccions($publicacion->seccions) . "\n";
        $saida .= '</div>' . "\n";
    }
    $saida .= '</article>' . "\n";

    return $saida;
}

/**
 * @param string $texto
 * @param int $limite
 * @param string $fin
 * @return string
 */

function renderResumen($texto = '', $limite = 120, $fin = '...')
{
    $saida = '';

    if($texto == '') return '';

    if(strlen($texto) <= $limite) return $texto;

    $saida = substr($texto, 0, $limite);
    $pos = strrpos($saida, " ");
    if($pos>0)
    {
        $saida = substr($saida, 0, $pos);
    }
    $saida .= $fin;
    return $saida;

}