if (!defined('ABSPATH')) exit;

if (!defined('TN_ADMIN_PANEL_BUDGET')) define('TN_ADMIN_PANEL_BUDGET', 0.50);

if (!function_exists('tn_admin_panel_can')) {
    function tn_admin_panel_can() { return current_user_can('manage_options'); }
}

if (!function_exists('tn_admin_panel_backup')) {
    function tn_admin_panel_backup($post) {
        update_post_meta($post->ID, '_tn_admin_prev', base64_encode(wp_json_encode(array(
            'content' => $post->post_content, 'excerpt' => $post->post_excerpt,
            'status'  => $post->post_status, 'time' => current_time('mysql'),
        ))));
        $force = function () { return 5; };
        add_filter('wp_revisions_to_keep', $force, 99);
        wp_save_post_revision($post->ID);
        remove_filter('wp_revisions_to_keep', $force, 99);
    }
}

if (!function_exists('tn_admin_source_name')) {
    function tn_admin_source_name($pid) {
        $map = array(
            'lapatilla.com' => 'Lapatilla', 'ambito.com' => 'Ámbito', 'albertonews.com' => 'AlbertoNews',
            'dw.com' => 'DW', 'diarioavance.com' => 'Diario Avance', 'elnacional.com' => 'El Nacional',
            'elpais.com' => 'El País', 'vidaextra.com' => 'VidaExtra', 'bbc.com' => 'BBC',
            'infobae.com' => 'Infobae', 'primicia.com.ve' => 'Primicia', 'esconusted.com' => 'Es Con Usted',
            'okdiario.com' => 'OkDiario', 'elpitazo.net' => 'El Pitazo', 'runrun.es' => 'Runrun.es',
            'efe.com' => 'EFE', 'clarin.com' => 'Clarín', 'cnn.com' => 'CNN', 'elmundo.es' => 'El Mundo',
            'rt.com' => 'RT', 'eltiempo.com' => 'El Tiempo', 'noticiasaldiayalahora.co' => 'Noticias Al Día y a la Hora',
        );
        $link = get_post_meta($pid, 'original_link', true);
        if (!$link) return '';
        $host = preg_replace('/^www\./', '', strtolower((string) parse_url($link, PHP_URL_HOST)));
        if ($host === '') return '';
        foreach ($map as $d => $n) { if ($host === $d || substr($host, -strlen('.' . $d)) === '.' . $d) return $n; }
        $p = explode('.', $host); $i = max(0, count($p) - 2); $label = $p[$i];
        if (in_array($label, array('com','co','net','org','gob','edu'), true) && count($p) >= 3) $label = $p[count($p) - 3];
        return ucwords(str_replace('-', ' ', $label));
    }
}

if (!function_exists('tn_admin_img_identity')) {
    function tn_admin_img_identity(DOMElement $img) {
        $cand = '';
        foreach (array('data-src','data-lazy-src','data-lazyload','data-original','src') as $a) {
            $v = trim($img->getAttribute($a));
            if ($v !== '' && stripos($v, 'data:image') !== 0) { $cand = $v; break; }
        }
        if ($cand === '') {
            $ss = trim($img->getAttribute('srcset'));
            if ($ss !== '') { $first = explode(',', $ss); $cand = trim(explode(' ', trim($first[0]))[0]); }
        }
        if ($cand === '') return '';
        $u = html_entity_decode($cand, ENT_QUOTES);
        $u = preg_replace('/[?#].*$/', '', $u);
        $u = preg_replace('#^[a-z]+://#i', '', $u);
        $u = preg_replace('#^//#', '', $u);
        $u = preg_replace('/^www\./i', '', $u);
        return strtolower(rawurldecode($u));
    }
}

if (!function_exists('tn_admin_dedupe_images')) {
    function tn_admin_dedupe_images(DOMDocument $doc, DOMXPath $xp) {
        $root = $doc->getElementById('__tnroot');
        if (!$root) return 0;
        $tokens = array();
        $walk = function ($node) use (&$walk, &$tokens) {
            foreach ($node->childNodes as $c) {
                if ($c->nodeType === XML_TEXT_NODE) {
                    if (trim(preg_replace('/[\s\x{00a0}]+/u', ' ', $c->nodeValue)) !== '') $tokens[] = array('t' => 'text');
                    continue;
                }
                if (!($c instanceof DOMElement)) continue;
                $tag = strtolower($c->nodeName);
                if ($tag === 'img') { $tokens[] = array('t' => 'img', 'node' => $c); continue; }
                if (in_array($tag, array('iframe','video','audio','blockquote','script','embed','object','svg'), true)) { $tokens[] = array('t' => 'media'); continue; }
                $walk($c);
            }
        };
        $walk($root);
        $lastId = null; $broken = true; $uniq = 0; $toRemove = array();
        foreach ($tokens as $tk) {
            if ($tk['t'] !== 'img') { $broken = true; continue; }
            $idn = tn_admin_img_identity($tk['node']);
            if ($idn === '') $idn = "\0u" . (++$uniq);
            if ($lastId !== null && !$broken && $idn === $lastId) { $toRemove[] = $tk['node']; }
            else { $lastId = $idn; $broken = false; }
        }
        foreach ($toRemove as $imgn) {
            $p = $imgn->parentNode;
            if ($p) $p->removeChild($imgn);
            while ($p instanceof DOMElement && $p->getAttribute('id') !== '__tnroot' && $p->parentNode) {
                $hasMedia = false;
                foreach (array('img','iframe','video','audio','picture','blockquote','script','embed','object','svg') as $t) {
                    if ($p->getElementsByTagName($t)->length > 0) { $hasMedia = true; break; }
                }
                $txt = trim(preg_replace('/[\s\x{00a0}]+/u', '', $p->textContent));
                if (!$hasMedia && $txt === '') { $up = $p->parentNode; $up->removeChild($p); $p = $up; }
                else break;
            }
        }
        return count($toRemove);
    }
}

if (!function_exists('tn_admin_curar_safe')) {
    function tn_admin_curar_safe($pid, $html) {
        $rep = array('source' => '', 'footer' => 'ya_existe', 'credits' => array(), 'junk' => array(), 'dupes' => 0);
        if (trim($html) === '') return array($html, $rep);
        $src = tn_admin_source_name((int) $pid); $rep['source'] = $src;
        $has_footer = stripos($html, 'Fuente de TenemosNoticias.com:') !== false;
        $prev = libxml_use_internal_errors(true); libxml_clear_errors();
        $doc = new DOMDocument();
        $doc->loadHTML('<?xml encoding="UTF-8"?><div id="__tnroot">' . $html . '</div>', LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD | LIBXML_NONET);
        libxml_clear_errors(); libxml_use_internal_errors($prev);
        $xp = new DOMXPath($doc);
        $rep['dupes'] = tn_admin_dedupe_images($doc, $xp);
        $prot = function ($n) {
            if (!($n instanceof DOMElement)) return false;
            foreach (array('img','iframe','blockquote','script','video','audio','source','picture') as $t) { if ($n->getElementsByTagName($t)->length > 0) return true; }
            if (preg_match('/lazyload|wp-block-embed|twitter|instagram|tiktok|fb-|embed/i', $n->getAttribute('class') . ' ' . $n->getAttribute('id'))) return true;
            foreach ($n->attributes as $a) { if (stripos($a->name, 'data-src') !== false) return true; }
            return false;
        };
        $junk = array(
            '/^Publicidad( \/ Contenido Patrocinado)?$/iu',
            '/^Contenido Patrocinado( \/ Recomendado para ti)?$/iu',
            '/^Recomendado para ti$/iu', '/Para leer la nota completa/iu',
            '/Sigue en directo/iu', '/Venezuela atraviesa un plan de TRES FASES/iu',
        );
        foreach (iterator_to_array($xp->query('//p|//h2|//h3|//h4')) as $n) {
            if (!($n instanceof DOMElement) || !$n->parentNode) continue;
            if ($prot($n)) continue;
            $t = trim(preg_replace('/\s+/u', ' ', $n->textContent));
            if ($t === '') continue;
            $isj = false; foreach ($junk as $p) { if (preg_match($p, $t)) { $isj = true; break; } }
            if ($isj) { $rep['junk'][] = mb_substr($t, 0, 45); $n->parentNode->removeChild($n); continue; }
            if ($n->getElementsByTagName('a')->length > 0) continue;
            $iscred = false;
            if ($src !== '' && mb_strtolower($t) === mb_strtolower($src)) $iscred = true;
            if (!$iscred && preg_match('/^Por:?\s+[a-z0-9.\-]+\.[a-z]{2,}$/iu', $t)) $iscred = true;
            if ($iscred) { $rep['credits'][] = mb_substr($t, 0, 45); $n->parentNode->removeChild($n); }
        }
        foreach (iterator_to_array($xp->query('//*[@id="mc_embed_signup"]')) as $n) {
            if ($n instanceof DOMElement && !$prot($n) && $n->parentNode) { $rep['junk'][] = '#mc_embed_signup'; $n->parentNode->removeChild($n); }
        }
        foreach (iterator_to_array($xp->query('//p')) as $n) {
            if (!($n instanceof DOMElement) || !$n->parentNode) continue;
            if ($prot($n)) continue;
            if ($n->getElementsByTagName('a')->length > 0) continue;
            $t = trim(preg_replace('/\x{00a0}|\s+/u', '', $n->textContent));
            if ($t === '') $n->parentNode->removeChild($n);
        }
        foreach (iterator_to_array($xp->query('//*[contains(@style,"padding-bottom") or contains(@style,"padding-top") or contains(@style,"aspect-ratio")]')) as $n) {
            if (!($n instanceof DOMElement) || !$n->parentNode) continue;
            $hm = $n->getElementsByTagName('img')->length || $n->getElementsByTagName('iframe')->length || $n->getElementsByTagName('video')->length || $n->getElementsByTagName('picture')->length;
            if ($hm) {
                $st = preg_replace('/(?:^|;)\s*(?:padding-bottom|padding-top|aspect-ratio)\s*:[^;]*/i', '', (string) $n->getAttribute('style'));
                $st = trim($st, " ;");
                if ($st === '') { $n->removeAttribute('style'); } else { $n->setAttribute('style', $st); }
            } elseif (!$prot($n)) {
                $rep['junk'][] = 'aspect_vacio'; $n->parentNode->removeChild($n);
            }
        }
        for ($pass = 0; $pass < 2; $pass++) {
            foreach (iterator_to_array($xp->query('//div|//span|//section|//figure|//aside|//ul|//ol')) as $n) {
                if (!($n instanceof DOMElement) || !$n->parentNode) continue;
                if ($n->getAttribute('id') === '__tnroot') continue;
                if ($prot($n)) continue;
                if ($n->getElementsByTagName('a')->length > 0) continue;
                $t2 = trim(preg_replace('/\x{00a0}|\s+/u', '', $n->textContent));
                if ($t2 === '') $n->parentNode->removeChild($n);
            }
        }
        $root = $doc->getElementById('__tnroot'); $clean = '';
        if ($root) { foreach ($root->childNodes as $c) { $clean .= $doc->saveHTML($c); } }
        $clean = trim($clean);
        $clean = preg_replace('/^(?:\s*<br\s*\/?>\s*)+/i', '', $clean);
        $clean = preg_replace('/(?:\s*<br\s*\/?>\s*)+$/i', '', $clean);
        $clean = preg_replace('/(?:<br\s*\/?>\s*){2,}/i', '<br>', $clean);
        if (!$has_footer && $src !== '') {
            $clean .= "\n<p>Fuente de TenemosNoticias.com: " . esc_html($src) . "</p>"; $rep['footer'] = 'anadido';
        }
        return array($clean, $rep);
    }
}

add_action('wp_footer', function () {
    if (!is_singular('post') || !tn_admin_panel_can()) return;
    $pid    = (int) get_queried_object_id();
    $status = esc_html(get_post_status($pid));
    $nonce  = esc_attr(wp_create_nonce('tn_admin_panel_' . $pid));
    $ajax   = esc_url(admin_url('admin-ajax.php'));
    $html = <<<HTML
<style>
#tn-adm-panel{display:none;margin:14px 0;padding:12px;border:1px solid #e9ecef;border-radius:10px;background:#f8f9fa;box-shadow:0 3px 10px rgba(0,0,0,.06);font-family:inherit}
#tn-adm-panel .tn-adm-h{font-size:12px;font-weight:700;color:#868e96;text-transform:uppercase;letter-spacing:.04em;margin-bottom:8px}
#tn-adm-panel .tn-adm-row{display:flex;flex-wrap:wrap;gap:8px}
#tn-adm-panel button{flex:1 1 auto;min-width:120px;height:40px;border:none;border-radius:6px;color:#fff;font-size:14px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:6px}
#tn-adm-panel button:disabled{opacity:.5;cursor:default}
#tn-adm-b-draft{background:#868e96}#tn-adm-b-pending{background:#f08c00}#tn-adm-b-enrich{background:#1c7ed6}#tn-adm-b-clean{background:#0ca678}

#tn-adm-panel .tn-adm-st{font-weight:700;color:#212529}
#tn-adm-toast-wrap{position:fixed;z-index:2147483000;right:18px;bottom:18px;display:flex;flex-direction:column;gap:10px;max-width:340px;width:calc(100vw - 36px);font-family:inherit;pointer-events:none}
.tn-adm-toast{pointer-events:auto;display:flex;align-items:flex-start;gap:10px;padding:12px 13px;border-radius:10px;background:#fff;color:#212529;font-size:13.5px;line-height:1.45;box-shadow:0 10px 28px rgba(0,0,0,.16);border-left:4px solid #adb5bd;transform:translateX(120%);opacity:0;transition:transform .34s cubic-bezier(.22,1,.36,1),opacity .34s}
.tn-adm-toast.tn-show{transform:translateX(0);opacity:1}
.tn-adm-toast.tn-ok{border-left-color:#0ca678}.tn-adm-toast.tn-err{border-left-color:#e03131}.tn-adm-toast.tn-info{border-left-color:#1c7ed6}
.tn-adm-toast .tn-ic{flex:0 0 auto;width:20px;text-align:center;font-size:15px;margin-top:1px}
.tn-adm-toast.tn-ok .tn-ic{color:#0ca678}.tn-adm-toast.tn-err .tn-ic{color:#e03131}.tn-adm-toast.tn-info .tn-ic{color:#1c7ed6}
.tn-adm-toast .tn-bd{flex:1 1 auto;word-break:break-word}
.tn-adm-toast .tn-cl{flex:0 0 auto;cursor:pointer;color:#adb5bd;font-size:18px;line-height:1;background:none;border:none;padding:0;margin:-1px -2px 0 0;width:auto;min-width:0;height:auto}
.tn-adm-toast .tn-cl:hover{color:#495057}
@media (max-width:600px){#tn-adm-toast-wrap{right:10px;left:10px;bottom:10px;width:auto;max-width:none}}
.tn-adm-ov{position:fixed;inset:0;z-index:2147483600;display:flex;align-items:center;justify-content:center;padding:18px;background:rgba(20,22,28,.55);opacity:0;transition:opacity .2s;font-family:inherit}
.tn-adm-ov.tn-show{opacity:1}
.tn-adm-ov .tn-adm-modal{width:100%;max-width:380px;background:#fff;border-radius:14px;box-shadow:0 18px 50px rgba(0,0,0,.3);padding:20px;transform:translateY(14px) scale(.97);transition:transform .22s cubic-bezier(.22,1,.36,1)}
.tn-adm-ov.tn-show .tn-adm-modal{transform:translateY(0) scale(1)}
.tn-adm-ov .tn-adm-mh{display:flex;align-items:center;gap:11px;margin-bottom:12px}
.tn-adm-ov .tn-adm-mi{flex:0 0 auto;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:17px}
.tn-adm-ov .tn-adm-mt{font-size:17px;font-weight:700;color:#212529;line-height:1.2}
.tn-adm-ov .tn-adm-mb{font-size:14px;line-height:1.5;color:#495057;margin-bottom:20px}
.tn-adm-ov .tn-adm-mf{display:flex;gap:10px;justify-content:flex-end}
.tn-adm-ov .tn-adm-mf button{border:none;border-radius:8px;height:42px;padding:0 18px;font-size:14px;font-weight:600;cursor:pointer;font-family:inherit;display:flex;align-items:center}
.tn-adm-ov .tn-adm-no{background:#f1f3f5;color:#495057}
.tn-adm-ov .tn-adm-no:hover{background:#e9ecef}
.tn-adm-ov .tn-adm-yes{color:#fff}
.tn-adm-ov .tn-adm-yes:hover{filter:brightness(.94)}
@media (max-width:600px){.tn-adm-ov{align-items:flex-end;padding:0}.tn-adm-ov .tn-adm-modal{max-width:none;border-radius:16px 16px 0 0;padding:22px 18px calc(22px + env(safe-area-inset-bottom));transform:translateY(100%)}.tn-adm-ov.tn-show .tn-adm-modal{transform:translateY(0)}}
</style>
<div id='tn-adm-panel' data-pid='{$pid}' data-nonce='{$nonce}' data-ajax='{$ajax}'>
  <div class='tn-adm-h'><i class='fas fa-user-shield'></i> Admin &mdash; estado: <span class='tn-adm-st'>{$status}</span></div>
  <div class='tn-adm-row'>
    <button id='tn-adm-b-draft' data-op='draft'><i class='fas fa-file'></i> Borrador</button>
    <button id='tn-adm-b-pending' data-op='pending'><i class='fas fa-clock'></i> Pendiente</button>
    <button id='tn-adm-b-enrich' data-op='enrich'><i class='fas fa-magic'></i> Enriquecer</button>
    <button id='tn-adm-b-clean' data-op='clean'><i class='fas fa-broom'></i> Limpiar</button>
  </div>
</div>
<script>
(function(){
  var panel=document.getElementById('tn-adm-panel');
  if(!panel) return;
  var ajaxUrl=panel.getAttribute('data-ajax');
  function place(){
    var share=document.querySelector('.agregar-a-lista-whatsapp');
    var anchor=share?(share.closest('p,div,figure')||share):null;
    if(anchor&&anchor.parentNode){anchor.parentNode.insertBefore(panel,anchor.nextSibling);}
    else{var c=document.querySelector('.elementor-widget-theme-post-content, .entry-content, article');(c||document.body).appendChild(panel);}
    panel.style.display='block';
  }
  if(document.readyState!=='loading')place();else document.addEventListener('DOMContentLoaded',place);
  var tnTW,tnCur;
  function tnWrap(){if(!tnTW){tnTW=document.createElement('div');tnTW.id='tn-adm-toast-wrap';document.body.appendChild(tnTW);}return tnTW;}
  function tnDismiss(t){if(!t||!t.parentNode)return;t.classList.remove('tn-show');if(t===tnCur)tnCur=null;setTimeout(function(){if(t.parentNode)t.parentNode.removeChild(t);},340);}
  function tnToast(type,html,sticky){var ic={ok:'fas fa-check-circle',err:'fas fa-exclamation-triangle',info:'fas fa-spinner fa-spin'}[type]||'fas fa-info-circle';tnWrap();if(tnCur&&tnCur.parentNode){tnCur.className='tn-adm-toast tn-'+type+' tn-show';tnCur.querySelector('.tn-ic').innerHTML='<i class="'+ic+'"></i>';tnCur.querySelector('.tn-bd').innerHTML=html;}else{var t=document.createElement('div');t.className='tn-adm-toast tn-'+type;t.innerHTML='<span class="tn-ic"><i class="'+ic+'"></i></span><div class="tn-bd">'+html+'</div><button type="button" class="tn-cl" aria-label="Cerrar">&times;</button>';tnTW.appendChild(t);t.querySelector('.tn-cl').addEventListener('click',function(){tnDismiss(t);});requestAnimationFrame(function(){t.classList.add('tn-show');});tnCur=t;}if(tnCur._to)clearTimeout(tnCur._to);if(!sticky){var tt=tnCur;tnCur._to=setTimeout(function(){tnDismiss(tt);},type==='err'?7000:4500);}return tnCur;}
  function tnConfirm(op,onYes){var meta={draft:['Pasar a borrador','fas fa-file','#868e96','El artículo pasará a estado <b>borrador</b> y dejará de estar publicado.'],pending:['Pasar a pendiente','fas fa-clock','#f08c00','El artículo pasará a estado <b>pendiente</b> de revisión.'],clean:['Limpiar artículo','fas fa-broom','#0ca678','Quita el relleno y consolida la firma de la fuente. Conserva créditos, imágenes distintas (quita solo duplicados idénticos consecutivos) y embeds. Se guarda un respaldo.'],enrich:['Enriquecer con IA','fas fa-magic','#1c7ed6','Reescribe y amplía el contenido con IA (modelo de pago, ~1&nbsp;min). Se guarda un respaldo.']}[op]||['Confirmar acción','fas fa-question-circle','#495057','¿Confirmas esta acción sobre el artículo?'];var ov=document.createElement('div');ov.className='tn-adm-ov';ov.innerHTML='<div class="tn-adm-modal" role="dialog" aria-modal="true"><div class="tn-adm-mh"><span class="tn-adm-mi" style="background:'+meta[2]+'"><i class="'+meta[1]+'"></i></span><span class="tn-adm-mt">'+meta[0]+'</span></div><div class="tn-adm-mb">'+meta[3]+'</div><div class="tn-adm-mf"><button type="button" class="tn-adm-no">Cancelar</button><button type="button" class="tn-adm-yes" style="background:'+meta[2]+'">Confirmar</button></div></div>';document.body.appendChild(ov);function close(){ov.classList.remove('tn-show');document.removeEventListener('keydown',onkey);setTimeout(function(){if(ov.parentNode)ov.parentNode.removeChild(ov);},200);}function onkey(e){if(e.key==='Escape'){close();}else if(e.key==='Enter'){close();onYes();}}ov.querySelector('.tn-adm-no').addEventListener('click',close);ov.querySelector('.tn-adm-yes').addEventListener('click',function(){close();onYes();});ov.addEventListener('click',function(e){if(e.target===ov)close();});document.addEventListener('keydown',onkey);requestAnimationFrame(function(){ov.classList.add('tn-show');ov.querySelector('.tn-adm-yes').focus();});}
  var btns=panel.querySelectorAll('button');

  function lock(on){for(var i=0;i<btns.length;i++)btns[i].disabled=on;}
  panel.addEventListener('click',function(e){
    var b=e.target.closest('button[data-op]');if(!b)return;
    var op=b.getAttribute('data-op');
    tnConfirm(op,function(){runOp(op);});
  });
  function runOp(op){
    lock(true);
    tnToast('info',(op==='enrich')?'Enriqueciendo… puede tardar hasta ~1 min':'Procesando…',true);
    var fd=new FormData();
    fd.append('action','tn_admin_article_action');fd.append('op',op);
    fd.append('pid',panel.getAttribute('data-pid'));fd.append('nonce',panel.getAttribute('data-nonce'));
    var ctrl=new AbortController();var to=setTimeout(function(){ctrl.abort();},175000);
    fetch(ajaxUrl,{method:'POST',body:fd,credentials:'same-origin',signal:ctrl.signal})
      .then(function(r){return r.json();})
      .then(function(j){clearTimeout(to);
        if(j&&j.success){var rl=!!(j.data&&j.data.reload);tnToast('ok',(j.data&&j.data.msg)?j.data.msg:'Listo',rl);if(rl){setTimeout(function(){location.reload();},1100);}else{lock(false);}}
        else{tnToast('err',(j&&j.data&&j.data.msg)?j.data.msg:'Error',true);lock(false);}})
      .catch(function(err){clearTimeout(to);tnToast('err',(err&&err.name==='AbortError')?'Tiempo agotado (la acción puede seguir en curso)':'Error de red',true);lock(false);});
  }
})();
</script>
HTML;
    echo $html;
}, 50);

add_action('wp_ajax_tn_admin_article_action', function () {
    $pid = isset($_POST['pid']) ? (int) $_POST['pid'] : 0;
    if (!$pid || !tn_admin_panel_can() || !check_ajax_referer('tn_admin_panel_' . $pid, 'nonce', false)) {
        wp_send_json_error(array('msg' => 'No autorizado'), 403);
    }
    $op   = isset($_POST['op']) ? sanitize_key($_POST['op']) : '';
    $post = get_post($pid);
    if (!$post || $post->post_type !== 'post') wp_send_json_error(array('msg' => 'Articulo invalido'), 400);
    if (function_exists('set_time_limit')) @set_time_limit(180);

    if ($op === 'draft' || $op === 'pending') {
        $new_status = ($op === 'draft') ? 'draft' : 'pending';
        $r = wp_update_post(array('ID' => $pid, 'post_status' => $new_status), true);
        if (is_wp_error($r)) wp_send_json_error(array('msg' => $r->get_error_message()));
        wp_send_json_success(array('msg' => 'Estado cambiado a ' . $new_status, 'reload' => true));
    }

    if ($op === 'clean') {
        if (!function_exists('tn_admin_curar_safe')) wp_send_json_error(array('msg' => 'Limpiador no disponible'));
        $in = $post->post_content;
        list($clean, $rep) = tn_admin_curar_safe($pid, $in);
        if ($clean === $in) wp_send_json_success(array('msg' => 'Nada que limpiar (sin relleno ni firmas redundantes).', 'reload' => false));
        foreach (array('twitter-tweet','instagram-media','tiktok-embed','fb-post','<iframe','<img','platform.twitter','wp-block-embed','<script') as $m) {
            if (stripos($in, $m) !== false && stripos($clean, $m) === false) {
                wp_send_json_error(array('msg' => 'Abortado por seguridad: la limpieza habria afectado un embed/imagen (' . $m . '). No se guardo nada.'));
            }
        }
        tn_admin_panel_backup($post);
        $r = wp_update_post(array('ID' => $pid, 'post_content' => $clean), true);
        if (is_wp_error($r)) wp_send_json_error(array('msg' => $r->get_error_message()));
        $parts = array();
        if (!empty($rep['credits'])) $parts[] = count($rep['credits']) . ' firma(s) de fuente';
        if (!empty($rep['junk'])) $parts[] = count($rep['junk']) . ' bloque(s) de relleno';
        if (!empty($rep['dupes'])) $parts[] = $rep['dupes'] . ' imagen(es) duplicada(s)';
        if ($rep['footer'] === 'anadido') $parts[] = 'pie de fuente anadido (' . $rep['source'] . ')';
        $msg = 'Limpiado: ' . (empty($parts) ? 'ajustes menores' : implode(', ', $parts)) . '. Creditos, imagenes distintas y embeds conservados. Respaldo guardado.';
        wp_send_json_success(array('msg' => $msg, 'reload' => true));
    }

    if ($op === 'enrich') {
        if (!class_exists('TN_AI_Compiler\\Enrichment\\Runner')) wp_send_json_error(array('msg' => 'AI Compiler no disponible'));
        tn_admin_panel_backup($post);
        $cleanup = function () use ($pid) {
            global $wpdb;
            $wpdb->query($wpdb->prepare("DELETE FROM {$wpdb->postmeta} WHERE post_id = %d AND (meta_key LIKE %s OR meta_key LIKE %s)", $pid, $wpdb->esc_like('_tn_enrich_') . '%', $wpdb->esc_like('_tn_autopublish_') . '%'));
            clean_post_cache($pid);
        };
        try {
            $budget = new \TN_AI_Compiler\Enrichment\Budget((float) TN_ADMIN_PANEL_BUDGET);
            $runner = new \TN_AI_Compiler\Enrichment\Runner(array('budget' => $budget));
            $run_id = 'manual-' . $pid . '-' . time();
            $r = $runner->process_one($pid, 1, $run_id, false);
        } catch (\Throwable $e) { $cleanup(); wp_send_json_error(array('msg' => 'Error al enriquecer: ' . $e->getMessage())); }
        if ((isset($r['status']) ? $r['status'] : '') === 'review' && !empty($r['draft_id'])) {
            $draft = get_post((int) $r['draft_id']);
            if ($draft instanceof \WP_Post) {
                wp_update_post(array('ID' => $pid, 'post_content' => $draft->post_content, 'post_excerpt' => $draft->post_excerpt), true);
                wp_delete_post((int) $r['draft_id'], true);
            }
            $cleanup();
            wp_send_json_success(array('msg' => 'Enriquecido: modelo ' . (isset($r['model']) ? $r['model'] : '?') . ', ratio ' . round((float) (isset($r['ratio']) ? $r['ratio'] : 0), 2) . ', $' . round((float) (isset($r['cost_usd']) ? $r['cost_usd'] : 0), 3) . '. Respaldo guardado.', 'reload' => true));
        }
        $cleanup();
        wp_send_json_error(array('msg' => 'No se completo: ' . (isset($r['reason']) ? $r['reason'] : (isset($r['status']) ? $r['status'] : 'desconocido'))));
    }

    wp_send_json_error(array('msg' => 'Operacion desconocida'));
});
if (!defined('ABSPATH')) exit;

if (!defined('TN_ADMIN_PANEL_BUDGET')) define('TN_ADMIN_PANEL_BUDGET', 0.50);

if (!function_exists('tn_admin_panel_can')) {
    function tn_admin_panel_can() { return current_user_can('manage_options'); }
}

if (!function_exists('tn_admin_panel_backup')) {
    function tn_admin_panel_backup($post) {
        update_post_meta($post->ID, '_tn_admin_prev', base64_encode(wp_json_encode(array(
            'content' => $post->post_content, 'excerpt' => $post->post_excerpt,
            'status'  => $post->post_status, 'time' => current_time('mysql'),
        ))));
        $force = function () { return 5; };
        add_filter('wp_revisions_to_keep', $force, 99);
        wp_save_post_revision($post->ID);
        remove_filter('wp_revisions_to_keep', $force, 99);
    }
}

if (!function_exists('tn_admin_source_name')) {
    function tn_admin_source_name($pid) {
        $map = array(
            'lapatilla.com' => 'Lapatilla', 'ambito.com' => 'Ámbito', 'albertonews.com' => 'AlbertoNews',
            'dw.com' => 'DW', 'diarioavance.com' => 'Diario Avance', 'elnacional.com' => 'El Nacional',
            'elpais.com' => 'El País', 'vidaextra.com' => 'VidaExtra', 'bbc.com' => 'BBC',
            'infobae.com' => 'Infobae', 'primicia.com.ve' => 'Primicia', 'esconusted.com' => 'Es Con Usted',
            'okdiario.com' => 'OkDiario', 'elpitazo.net' => 'El Pitazo', 'runrun.es' => 'Runrun.es',
            'efe.com' => 'EFE', 'clarin.com' => 'Clarín', 'cnn.com' => 'CNN', 'elmundo.es' => 'El Mundo',
            'rt.com' => 'RT', 'eltiempo.com' => 'El Tiempo', 'noticiasaldiayalahora.co' => 'Noticias Al Día y a la Hora',
        );
        $link = get_post_meta($pid, 'original_link', true);
        if (!$link) return '';
        $host = preg_replace('/^www\./', '', strtolower((string) parse_url($link, PHP_URL_HOST)));
        if ($host === '') return '';
        foreach ($map as $d => $n) { if ($host === $d || substr($host, -strlen('.' . $d)) === '.' . $d) return $n; }
        $p = explode('.', $host); $i = max(0, count($p) - 2); $label = $p[$i];
        if (in_array($label, array('com','co','net','org','gob','edu'), true) && count($p) >= 3) $label = $p[count($p) - 3];
        return ucwords(str_replace('-', ' ', $label));
    }
}

if (!function_exists('tn_admin_img_identity')) {
    function tn_admin_img_identity(DOMElement $img) {
        $cand = '';
        foreach (array('data-src','data-lazy-src','data-lazyload','data-original','src') as $a) {
            $v = trim($img->getAttribute($a));
            if ($v !== '' && stripos($v, 'data:image') !== 0) { $cand = $v; break; }
        }
        if ($cand === '') {
            $ss = trim($img->getAttribute('srcset'));
            if ($ss !== '') { $first = explode(',', $ss); $cand = trim(explode(' ', trim($first[0]))[0]); }
        }
        if ($cand === '') return '';
        $u = html_entity_decode($cand, ENT_QUOTES);
        $u = preg_replace('/[?#].*$/', '', $u);
        $u = preg_replace('#^[a-z]+://#i', '', $u);
        $u = preg_replace('#^//#', '', $u);
        $u = preg_replace('/^www\./i', '', $u);
        return strtolower(rawurldecode($u));
    }
}

if (!function_exists('tn_admin_dedupe_images')) {
    function tn_admin_dedupe_images(DOMDocument $doc, DOMXPath $xp) {
        $root = $doc->getElementById('__tnroot');
        if (!$root) return 0;
        $tokens = array();
        $walk = function ($node) use (&$walk, &$tokens) {
            foreach ($node->childNodes as $c) {
                if ($c->nodeType === XML_TEXT_NODE) {
                    if (trim(preg_replace('/[\s\x{00a0}]+/u', ' ', $c->nodeValue)) !== '') $tokens[] = array('t' => 'text');
                    continue;
                }
                if (!($c instanceof DOMElement)) continue;
                $tag = strtolower($c->nodeName);
                if ($tag === 'img') { $tokens[] = array('t' => 'img', 'node' => $c); continue; }
                if (in_array($tag, array('iframe','video','audio','blockquote','script','embed','object','svg'), true)) { $tokens[] = array('t' => 'media'); continue; }
                $walk($c);
            }
        };
        $walk($root);
        $lastId = null; $broken = true; $uniq = 0; $toRemove = array();
        foreach ($tokens as $tk) {
            if ($tk['t'] !== 'img') { $broken = true; continue; }
            $idn = tn_admin_img_identity($tk['node']);
            if ($idn === '') $idn = "\0u" . (++$uniq);
            if ($lastId !== null && !$broken && $idn === $lastId) { $toRemove[] = $tk['node']; }
            else { $lastId = $idn; $broken = false; }
        }
        foreach ($toRemove as $imgn) {
            $p = $imgn->parentNode;
            if ($p) $p->removeChild($imgn);
            while ($p instanceof DOMElement && $p->getAttribute('id') !== '__tnroot' && $p->parentNode) {
                $hasMedia = false;
                foreach (array('img','iframe','video','audio','picture','blockquote','script','embed','object','svg') as $t) {
                    if ($p->getElementsByTagName($t)->length > 0) { $hasMedia = true; break; }
                }
                $txt = trim(preg_replace('/[\s\x{00a0}]+/u', '', $p->textContent));
                if (!$hasMedia && $txt === '') { $up = $p->parentNode; $up->removeChild($p); $p = $up; }
                else break;
            }
        }
        return count($toRemove);
    }
}

if (!function_exists('tn_admin_curar_safe')) {
    function tn_admin_curar_safe($pid, $html) {
        $rep = array('source' => '', 'footer' => 'ya_existe', 'credits' => array(), 'junk' => array(), 'dupes' => 0);
        if (trim($html) === '') return array($html, $rep);
        $src = tn_admin_source_name((int) $pid); $rep['source'] = $src;
        $has_footer = stripos($html, 'Fuente de TenemosNoticias.com:') !== false;
        $prev = libxml_use_internal_errors(true); libxml_clear_errors();
        $doc = new DOMDocument();
        $doc->loadHTML('<?xml encoding="UTF-8"?><div id="__tnroot">' . $html . '</div>', LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD | LIBXML_NONET);
        libxml_clear_errors(); libxml_use_internal_errors($prev);
        $xp = new DOMXPath($doc);
        $rep['dupes'] = tn_admin_dedupe_images($doc, $xp);
        $prot = function ($n) {
            if (!($n instanceof DOMElement)) return false;
            foreach (array('img','iframe','blockquote','script','video','audio','source','picture') as $t) { if ($n->getElementsByTagName($t)->length > 0) return true; }
            if (preg_match('/lazyload|wp-block-embed|twitter|instagram|tiktok|fb-|embed/i', $n->getAttribute('class') . ' ' . $n->getAttribute('id'))) return true;
            foreach ($n->attributes as $a) { if (stripos($a->name, 'data-src') !== false) return true; }
            return false;
        };
        $junk = array(
            '/^Publicidad( \/ Contenido Patrocinado)?$/iu',
            '/^Contenido Patrocinado( \/ Recomendado para ti)?$/iu',
            '/^Recomendado para ti$/iu', '/Para leer la nota completa/iu',
            '/Sigue en directo/iu', '/Venezuela atraviesa un plan de TRES FASES/iu',
        );
        foreach (iterator_to_array($xp->query('//p|//h2|//h3|//h4')) as $n) {
            if (!($n instanceof DOMElement) || !$n->parentNode) continue;
            if ($prot($n)) continue;
            $t = trim(preg_replace('/\s+/u', ' ', $n->textContent));
            if ($t === '') continue;
            $isj = false; foreach ($junk as $p) { if (preg_match($p, $t)) { $isj = true; break; } }
            if ($isj) { $rep['junk'][] = mb_substr($t, 0, 45); $n->parentNode->removeChild($n); continue; }
            if ($n->getElementsByTagName('a')->length > 0) continue;
            $iscred = false;
            if ($src !== '' && mb_strtolower($t) === mb_strtolower($src)) $iscred = true;
            if (!$iscred && preg_match('/^Por:?\s+[a-z0-9.\-]+\.[a-z]{2,}$/iu', $t)) $iscred = true;
            if ($iscred) { $rep['credits'][] = mb_substr($t, 0, 45); $n->parentNode->removeChild($n); }
        }
        foreach (iterator_to_array($xp->query('//*[@id="mc_embed_signup"]')) as $n) {
            if ($n instanceof DOMElement && !$prot($n) && $n->parentNode) { $rep['junk'][] = '#mc_embed_signup'; $n->parentNode->removeChild($n); }
        }
        foreach (iterator_to_array($xp->query('//p')) as $n) {
            if (!($n instanceof DOMElement) || !$n->parentNode) continue;
            if ($prot($n)) continue;
            if ($n->getElementsByTagName('a')->length > 0) continue;
            $t = trim(preg_replace('/\x{00a0}|\s+/u', '', $n->textContent));
            if ($t === '') $n->parentNode->removeChild($n);
        }
        foreach (iterator_to_array($xp->query('//*[contains(@style,"padding-bottom") or contains(@style,"padding-top") or contains(@style,"aspect-ratio")]')) as $n) {
            if (!($n instanceof DOMElement) || !$n->parentNode) continue;
            $hm = $n->getElementsByTagName('img')->length || $n->getElementsByTagName('iframe')->length || $n->getElementsByTagName('video')->length || $n->getElementsByTagName('picture')->length;
            if ($hm) {
                $st = preg_replace('/(?:^|;)\s*(?:padding-bottom|padding-top|aspect-ratio)\s*:[^;]*/i', '', (string) $n->getAttribute('style'));
                $st = trim($st, " ;");
                if ($st === '') { $n->removeAttribute('style'); } else { $n->setAttribute('style', $st); }
            } elseif (!$prot($n)) {
                $rep['junk'][] = 'aspect_vacio'; $n->parentNode->removeChild($n);
            }
        }
        for ($pass = 0; $pass < 2; $pass++) {
            foreach (iterator_to_array($xp->query('//div|//span|//section|//figure|//aside|//ul|//ol')) as $n) {
                if (!($n instanceof DOMElement) || !$n->parentNode) continue;
                if ($n->getAttribute('id') === '__tnroot') continue;
                if ($prot($n)) continue;
                if ($n->getElementsByTagName('a')->length > 0) continue;
                $t2 = trim(preg_replace('/\x{00a0}|\s+/u', '', $n->textContent));
                if ($t2 === '') $n->parentNode->removeChild($n);
            }
        }
        $root = $doc->getElementById('__tnroot'); $clean = '';
        if ($root) { foreach ($root->childNodes as $c) { $clean .= $doc->saveHTML($c); } }
        $clean = trim($clean);
        $clean = preg_replace('/^(?:\s*<br\s*\/?>\s*)+/i', '', $clean);
        $clean = preg_replace('/(?:\s*<br\s*\/?>\s*)+$/i', '', $clean);
        $clean = preg_replace('/(?:<br\s*\/?>\s*){2,}/i', '<br>', $clean);
        if (!$has_footer && $src !== '') {
            $clean .= "\n<p>Fuente de TenemosNoticias.com: " . esc_html($src) . "</p>"; $rep['footer'] = 'anadido';
        }
        return array($clean, $rep);
    }
}

add_action('wp_footer', function () {
    if (!is_singular('post') || !tn_admin_panel_can()) return;
    $pid    = (int) get_queried_object_id();
    $status = esc_html(get_post_status($pid));
    $nonce  = esc_attr(wp_create_nonce('tn_admin_panel_' . $pid));
    $ajax   = esc_url(admin_url('admin-ajax.php'));
    $html = <<<HTML
<style>
#tn-adm-panel{display:none;margin:14px 0;padding:12px;border:1px solid #e9ecef;border-radius:10px;background:#f8f9fa;box-shadow:0 3px 10px rgba(0,0,0,.06);font-family:inherit}
#tn-adm-panel .tn-adm-h{font-size:12px;font-weight:700;color:#868e96;text-transform:uppercase;letter-spacing:.04em;margin-bottom:8px}
#tn-adm-panel .tn-adm-row{display:flex;flex-wrap:wrap;gap:8px}
#tn-adm-panel button{flex:1 1 auto;min-width:120px;height:40px;border:none;border-radius:6px;color:#fff;font-size:14px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:6px}
#tn-adm-panel button:disabled{opacity:.5;cursor:default}
#tn-adm-b-draft{background:#868e96}#tn-adm-b-pending{background:#f08c00}#tn-adm-b-enrich{background:#1c7ed6}#tn-adm-b-clean{background:#0ca678}#tn-adm-b-headline{background:#9c36b5}

#tn-adm-panel .tn-adm-st{font-weight:700;color:#212529}
#tn-adm-toast-wrap{position:fixed;z-index:2147483000;right:18px;bottom:18px;display:flex;flex-direction:column;gap:10px;max-width:340px;width:calc(100vw - 36px);font-family:inherit;pointer-events:none}
.tn-adm-toast{pointer-events:auto;display:flex;align-items:flex-start;gap:10px;padding:12px 13px;border-radius:10px;background:#fff;color:#212529;font-size:13.5px;line-height:1.45;box-shadow:0 10px 28px rgba(0,0,0,.16);border-left:4px solid #adb5bd;transform:translateX(120%);opacity:0;transition:transform .34s cubic-bezier(.22,1,.36,1),opacity .34s}
.tn-adm-toast.tn-show{transform:translateX(0);opacity:1}
.tn-adm-toast.tn-ok{border-left-color:#0ca678}.tn-adm-toast.tn-err{border-left-color:#e03131}.tn-adm-toast.tn-info{border-left-color:#1c7ed6}
.tn-adm-toast .tn-ic{flex:0 0 auto;width:20px;text-align:center;font-size:15px;margin-top:1px}
.tn-adm-toast.tn-ok .tn-ic{color:#0ca678}.tn-adm-toast.tn-err .tn-ic{color:#e03131}.tn-adm-toast.tn-info .tn-ic{color:#1c7ed6}
.tn-adm-toast .tn-bd{flex:1 1 auto;word-break:break-word}
.tn-adm-toast .tn-cl{flex:0 0 auto;cursor:pointer;color:#adb5bd;font-size:18px;line-height:1;background:none;border:none;padding:0;margin:-1px -2px 0 0;width:auto;min-width:0;height:auto}
.tn-adm-toast .tn-cl:hover{color:#495057}
@media (max-width:600px){#tn-adm-toast-wrap{right:10px;left:10px;bottom:10px;width:auto;max-width:none}}
.tn-adm-ov{position:fixed;inset:0;z-index:2147483600;display:flex;align-items:center;justify-content:center;padding:18px;background:rgba(20,22,28,.55);opacity:0;transition:opacity .2s;font-family:inherit}
.tn-adm-ov.tn-show{opacity:1}
.tn-adm-ov .tn-adm-modal{width:100%;max-width:380px;background:#fff;border-radius:14px;box-shadow:0 18px 50px rgba(0,0,0,.3);padding:20px;transform:translateY(14px) scale(.97);transition:transform .22s cubic-bezier(.22,1,.36,1)}
.tn-adm-ov.tn-show .tn-adm-modal{transform:translateY(0) scale(1)}
.tn-adm-ov .tn-adm-mh{display:flex;align-items:center;gap:11px;margin-bottom:12px}
.tn-adm-ov .tn-adm-mi{flex:0 0 auto;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:17px}
.tn-adm-ov .tn-adm-mt{font-size:17px;font-weight:700;color:#212529;line-height:1.2}
.tn-adm-ov .tn-adm-mb{font-size:14px;line-height:1.5;color:#495057;margin-bottom:20px}
.tn-adm-ov .tn-adm-mf{display:flex;gap:10px;justify-content:flex-end}
.tn-adm-ov .tn-adm-mf button{border:none;border-radius:8px;height:42px;padding:0 18px;font-size:14px;font-weight:600;cursor:pointer;font-family:inherit;display:flex;align-items:center}
.tn-adm-ov .tn-adm-no{background:#f1f3f5;color:#495057}
.tn-adm-ov .tn-adm-no:hover{background:#e9ecef}
.tn-adm-ov .tn-adm-yes{color:#fff}
.tn-adm-ov .tn-adm-yes:hover{filter:brightness(.94)}
@media (max-width:600px){.tn-adm-ov{align-items:flex-end;padding:0}.tn-adm-ov .tn-adm-modal{max-width:none;border-radius:16px 16px 0 0;padding:22px 18px calc(22px + env(safe-area-inset-bottom));transform:translateY(100%)}.tn-adm-ov.tn-show .tn-adm-modal{transform:translateY(0)}}
</style>
<div id='tn-adm-panel' data-pid='{$pid}' data-nonce='{$nonce}' data-ajax='{$ajax}'>
  <div class='tn-adm-h'><i class='fas fa-user-shield'></i> Admin &mdash; estado: <span class='tn-adm-st'>{$status}</span></div>
  <div class='tn-adm-row'>
    <button id='tn-adm-b-draft' data-op='draft'><i class='fas fa-file'></i> Borrador</button>
    <button id='tn-adm-b-pending' data-op='pending'><i class='fas fa-clock'></i> Pendiente</button>
    <button id='tn-adm-b-enrich' data-op='enrich'><i class='fas fa-magic'></i> Enriquecer</button>
    <button id='tn-adm-b-clean' data-op='clean'><i class='fas fa-broom'></i> Limpiar</button>
    <button id='tn-adm-b-headline' data-op='headline'><i class='fas fa-heading'></i> Título/Slug</button>
  </div>
</div>
<script>
(function(){
  var panel=document.getElementById('tn-adm-panel');
  if(!panel) return;
  var ajaxUrl=panel.getAttribute('data-ajax');
  function place(){
    var share=document.querySelector('.agregar-a-lista-whatsapp');
    var anchor=share?(share.closest('p,div,figure')||share):null;
    if(anchor&&anchor.parentNode){anchor.parentNode.insertBefore(panel,anchor.nextSibling);}
    else{var c=document.querySelector('.elementor-widget-theme-post-content, .entry-content, article');(c||document.body).appendChild(panel);}
    panel.style.display='block';
  }
  if(document.readyState!=='loading')place();else document.addEventListener('DOMContentLoaded',place);
  var tnTW,tnCur;
  function tnWrap(){if(!tnTW){tnTW=document.createElement('div');tnTW.id='tn-adm-toast-wrap';document.body.appendChild(tnTW);}return tnTW;}
  function tnDismiss(t){if(!t||!t.parentNode)return;t.classList.remove('tn-show');if(t===tnCur)tnCur=null;setTimeout(function(){if(t.parentNode)t.parentNode.removeChild(t);},340);}
  function tnToast(type,html,sticky){var ic={ok:'fas fa-check-circle',err:'fas fa-exclamation-triangle',info:'fas fa-spinner fa-spin'}[type]||'fas fa-info-circle';tnWrap();if(tnCur&&tnCur.parentNode){tnCur.className='tn-adm-toast tn-'+type+' tn-show';tnCur.querySelector('.tn-ic').innerHTML='<i class="'+ic+'"></i>';tnCur.querySelector('.tn-bd').innerHTML=html;}else{var t=document.createElement('div');t.className='tn-adm-toast tn-'+type;t.innerHTML='<span class="tn-ic"><i class="'+ic+'"></i></span><div class="tn-bd">'+html+'</div><button type="button" class="tn-cl" aria-label="Cerrar">&times;</button>';tnTW.appendChild(t);t.querySelector('.tn-cl').addEventListener('click',function(){tnDismiss(t);});requestAnimationFrame(function(){t.classList.add('tn-show');});tnCur=t;}if(tnCur._to)clearTimeout(tnCur._to);if(!sticky){var tt=tnCur;tnCur._to=setTimeout(function(){tnDismiss(tt);},type==='err'?7000:4500);}return tnCur;}
  function tnConfirm(op,onYes){var meta={draft:['Pasar a borrador','fas fa-file','#868e96','El artículo pasará a estado <b>borrador</b> y dejará de estar publicado.'],pending:['Pasar a pendiente','fas fa-clock','#f08c00','El artículo pasará a estado <b>pendiente</b> de revisión.'],clean:['Limpiar artículo','fas fa-broom','#0ca678','Quita el relleno y consolida la firma de la fuente. Conserva créditos, imágenes distintas (quita solo duplicados idénticos consecutivos) y embeds. Se guarda un respaldo.'],enrich:['Enriquecer con IA','fas fa-magic','#1c7ed6','Reescribe y amplía el contenido con IA (modelo de pago, ~1&nbsp;min). Se guarda un respaldo.'],headline:['Curar título y slug','fas fa-heading','#9c36b5','La IA generará un titular corto y un slug limpio. La URL anterior redirige 301 a la nueva. Se guarda un respaldo.']}[op]||['Confirmar acción','fas fa-question-circle','#495057','¿Confirmas esta acción sobre el artículo?'];var ov=document.createElement('div');ov.className='tn-adm-ov';ov.innerHTML='<div class="tn-adm-modal" role="dialog" aria-modal="true"><div class="tn-adm-mh"><span class="tn-adm-mi" style="background:'+meta[2]+'"><i class="'+meta[1]+'"></i></span><span class="tn-adm-mt">'+meta[0]+'</span></div><div class="tn-adm-mb">'+meta[3]+'</div><div class="tn-adm-mf"><button type="button" class="tn-adm-no">Cancelar</button><button type="button" class="tn-adm-yes" style="background:'+meta[2]+'">Confirmar</button></div></div>';document.body.appendChild(ov);function close(){ov.classList.remove('tn-show');document.removeEventListener('keydown',onkey);setTimeout(function(){if(ov.parentNode)ov.parentNode.removeChild(ov);},200);}function onkey(e){if(e.key==='Escape'){close();}else if(e.key==='Enter'){close();onYes();}}ov.querySelector('.tn-adm-no').addEventListener('click',close);ov.querySelector('.tn-adm-yes').addEventListener('click',function(){close();onYes();});ov.addEventListener('click',function(e){if(e.target===ov)close();});document.addEventListener('keydown',onkey);requestAnimationFrame(function(){ov.classList.add('tn-show');ov.querySelector('.tn-adm-yes').focus();});}
  var btns=panel.querySelectorAll('button');

  function lock(on){for(var i=0;i<btns.length;i++)btns[i].disabled=on;}
  panel.addEventListener('click',function(e){
    var b=e.target.closest('button[data-op]');if(!b)return;
    var op=b.getAttribute('data-op');
    tnConfirm(op,function(){runOp(op);});
  });
  function runOp(op){
    lock(true);
    tnToast('info',(op==='enrich')?'Enriqueciendo… puede tardar hasta ~1 min':'Procesando…',true);
    var fd=new FormData();
    fd.append('action','tn_admin_article_action');fd.append('op',op);
    fd.append('pid',panel.getAttribute('data-pid'));fd.append('nonce',panel.getAttribute('data-nonce'));
    var ctrl=new AbortController();var to=setTimeout(function(){ctrl.abort();},175000);
    fetch(ajaxUrl,{method:'POST',body:fd,credentials:'same-origin',signal:ctrl.signal})
      .then(function(r){return r.json();})
      .then(function(j){clearTimeout(to);
        if(j&&j.success){var rl=!!(j.data&&j.data.reload);tnToast('ok',(j.data&&j.data.msg)?j.data.msg:'Listo',rl);if(rl){setTimeout(function(){location.reload();},1100);}else{lock(false);}}
        else{tnToast('err',(j&&j.data&&j.data.msg)?j.data.msg:'Error',true);lock(false);}})
      .catch(function(err){clearTimeout(to);tnToast('err',(err&&err.name==='AbortError')?'Tiempo agotado (la acción puede seguir en curso)':'Error de red',true);lock(false);});
  }
})();
</script>
HTML;
    echo $html;
}, 50);

add_action('wp_ajax_tn_admin_article_action', function () {
    $pid = isset($_POST['pid']) ? (int) $_POST['pid'] : 0;
    if (!$pid || !tn_admin_panel_can() || !check_ajax_referer('tn_admin_panel_' . $pid, 'nonce', false)) {
        wp_send_json_error(array('msg' => 'No autorizado'), 403);
    }
    $op   = isset($_POST['op']) ? sanitize_key($_POST['op']) : '';
    $post = get_post($pid);
    if (!$post || $post->post_type !== 'post') wp_send_json_error(array('msg' => 'Articulo invalido'), 400);
    if (function_exists('set_time_limit')) @set_time_limit(180);

    if ($op === 'draft' || $op === 'pending') {
        $new_status = ($op === 'draft') ? 'draft' : 'pending';
        $r = wp_update_post(array('ID' => $pid, 'post_status' => $new_status), true);
        if (is_wp_error($r)) wp_send_json_error(array('msg' => $r->get_error_message()));
        wp_send_json_success(array('msg' => 'Estado cambiado a ' . $new_status, 'reload' => true));
    }

    if ($op === 'clean') {
        if (!function_exists('tn_admin_curar_safe')) wp_send_json_error(array('msg' => 'Limpiador no disponible'));
        $in = $post->post_content;
        list($clean, $rep) = tn_admin_curar_safe($pid, $in);
        if ($clean === $in) wp_send_json_success(array('msg' => 'Nada que limpiar (sin relleno ni firmas redundantes).', 'reload' => false));
        foreach (array('twitter-tweet','instagram-media','tiktok-embed','fb-post','<iframe','<img','platform.twitter','wp-block-embed','<script') as $m) {
            if (stripos($in, $m) !== false && stripos($clean, $m) === false) {
                wp_send_json_error(array('msg' => 'Abortado por seguridad: la limpieza habria afectado un embed/imagen (' . $m . '). No se guardo nada.'));
            }
        }
        tn_admin_panel_backup($post);
        $r = wp_update_post(array('ID' => $pid, 'post_content' => $clean), true);
        if (is_wp_error($r)) wp_send_json_error(array('msg' => $r->get_error_message()));
        $parts = array();
        if (!empty($rep['credits'])) $parts[] = count($rep['credits']) . ' firma(s) de fuente';
        if (!empty($rep['junk'])) $parts[] = count($rep['junk']) . ' bloque(s) de relleno';
        if (!empty($rep['dupes'])) $parts[] = $rep['dupes'] . ' imagen(es) duplicada(s)';
        if ($rep['footer'] === 'anadido') $parts[] = 'pie de fuente anadido (' . $rep['source'] . ')';
        $msg = 'Limpiado: ' . (empty($parts) ? 'ajustes menores' : implode(', ', $parts)) . '. Creditos, imagenes distintas y embeds conservados. Respaldo guardado.';
        wp_send_json_success(array('msg' => $msg, 'reload' => true));
    }

    if ($op === 'enrich') {
        if (!class_exists('TN_AI_Compiler\\Enrichment\\Runner')) wp_send_json_error(array('msg' => 'AI Compiler no disponible'));
        tn_admin_panel_backup($post);
        $cleanup = function () use ($pid) {
            global $wpdb;
            $wpdb->query($wpdb->prepare("DELETE FROM {$wpdb->postmeta} WHERE post_id = %d AND (meta_key LIKE %s OR meta_key LIKE %s)", $pid, $wpdb->esc_like('_tn_enrich_') . '%', $wpdb->esc_like('_tn_autopublish_') . '%'));
            clean_post_cache($pid);
        };
        try {
            $budget = new \TN_AI_Compiler\Enrichment\Budget((float) TN_ADMIN_PANEL_BUDGET);
            $runner = new \TN_AI_Compiler\Enrichment\Runner(array('budget' => $budget));
            $run_id = 'manual-' . $pid . '-' . time();
            $r = $runner->process_one($pid, 1, $run_id, false);
        } catch (\Throwable $e) { $cleanup(); wp_send_json_error(array('msg' => 'Error al enriquecer: ' . $e->getMessage())); }
        if ((isset($r['status']) ? $r['status'] : '') === 'review' && !empty($r['draft_id'])) {
            $draft = get_post((int) $r['draft_id']);
            if ($draft instanceof \WP_Post) {
                wp_update_post(array('ID' => $pid, 'post_content' => $draft->post_content, 'post_excerpt' => $draft->post_excerpt), true);
                wp_delete_post((int) $r['draft_id'], true);
            }
            $cleanup();
            wp_send_json_success(array('msg' => 'Enriquecido: modelo ' . (isset($r['model']) ? $r['model'] : '?') . ', ratio ' . round((float) (isset($r['ratio']) ? $r['ratio'] : 0), 2) . ', $' . round((float) (isset($r['cost_usd']) ? $r['cost_usd'] : 0), 3) . '. Respaldo guardado.', 'reload' => true));
        }
        $cleanup();
        wp_send_json_error(array('msg' => 'No se completo: ' . (isset($r['reason']) ? $r['reason'] : (isset($r['status']) ? $r['status'] : 'desconocido'))));
    }

    if ($op === 'headline') {
        if (!class_exists('TN_AI_Compiler\Gemini_Provider')) wp_send_json_error(array('msg' => 'Proveedor de IA no disponible'));
        $old_title = (string) $post->post_title;
        $old_slug  = (string) $post->post_name;
        if (mb_strlen($old_title) <= 70 && strlen($old_slug) <= 70) {
            wp_send_json_success(array('msg' => 'El titulo y el slug ya tienen una longitud adecuada. Nada que curar.', 'reload' => false));
        }
        $body_txt  = trim(preg_replace('/\s+/u', ' ', (string) wp_strip_all_tags($post->post_content)));
        $ctx_title = mb_substr($old_title, 0, 400);
        $ctx_body  = mb_substr($body_txt, 0, 800);
        $system = 'Eres editor de titulares de un portal de noticias venezolano (espanol, es_VE). Redactas titulares claros, naturales y concisos. Devuelve EXCLUSIVAMENTE un objeto JSON valido, sin texto adicional.';
        $user = "El campo titulo viene contaminado con el cuerpo del articulo. A partir del material, redacta:\n1) \"title\": un titular de noticia en espanol, natural, de 45 a 70 caracteres, sin punto final, sin el nombre del medio ni del sitio, conservando hechos y entidades clave (personas, lugares, cifras).\n2) \"slug\": version corta del titular en minusculas con guiones (kebab-case), sin tildes, maximo 60 caracteres.\n\nTITULO CRUDO:\n" . $ctx_title . "\n\nCUERPO (extracto):\n" . $ctx_body . "\n\nResponde solo: {\"title\":\"...\",\"slug\":\"...\"}";
        try {
            $provider = new \TN_AI_Compiler\Gemini_Provider();
            if (!$provider->is_configured()) wp_send_json_error(array('msg' => 'IA no configurada (falta API key)'));
            $resp = $provider->generate_with_options(array(
                'model'              => 'gemini-2.5-flash-lite',
                'system_instruction' => $system,
                'user_content'       => $user,
                'temperature'        => 0.4,
                'max_output_tokens'  => 256,
                'thinking_budget'    => 0,
                'response_mime_type' => 'application/json',
            ));
        } catch (\Throwable $e) {
            wp_send_json_error(array('msg' => 'Error de IA: ' . $e->getMessage()));
        }
        $data = \TN_AI_Compiler\Gemini_Provider::decode_json((string) (isset($resp['text']) ? $resp['text'] : ''));
        $new_title = isset($data['title']) ? sanitize_text_field((string) $data['title']) : '';
        $new_title = rtrim(trim(preg_replace('/\s+/u', ' ', $new_title)), " \t.");
        if ($new_title === '' || mb_strlen($new_title) < 12 || mb_strlen($new_title) > 140) {
            wp_send_json_error(array('msg' => 'La IA no devolvio un titular valido. No se cambio nada.'));
        }
        $base = sanitize_title($new_title);
        if (strlen($base) > 75) { $base = preg_replace('/-[^-]*$/', '', substr($base, 0, 75)); }
        if ($base === '') $base = sanitize_title($old_slug);
        $new_slug = wp_unique_post_slug($base, $pid, $post->post_status, $post->post_type, $post->post_parent);
        tn_admin_panel_backup($post);
        update_post_meta($pid, '_tn_admin_prev_headline', base64_encode(wp_json_encode(array(
            'title' => $old_title, 'slug' => $old_slug, 'time' => current_time('mysql'),
        ))));
        $changed_slug = ($new_slug !== $old_slug);
        $r = wp_update_post(array('ID' => $pid, 'post_title' => $new_title, 'post_name' => $new_slug), true);
        if (is_wp_error($r)) wp_send_json_error(array('msg' => $r->get_error_message()));
        $msg = 'Titulo actualizado: ' . esc_html($new_title);
        if ($changed_slug && $old_slug !== '') $msg .= '. Slug nuevo: la URL anterior redirige 301 a la nueva.';
        $msg .= ' Respaldo guardado.';
        wp_send_json_success(array('msg' => $msg, 'reload' => true));
    }

    wp_send_json_error(array('msg' => 'Operacion desconocida'));
});