<?php
// Citami Connector — module. Loaded by citami-connector.php in a fixed
// order; never load this file on its own.
if (!defined('ABSPATH')) {
    exit;
}

/* ────────────────────────────────────────────────────────────────── */
/*  2.29 — STYLESHEETS                                                 */
/*  assets/admin.css on the screens the plugin touches (its settings  */
/*  page, the post editor, the posts lists, the dashboard) and        */
/*  assets/front.css on singular pages, where the TL;DR, FAQ, author  */
/*  box, breadcrumb and location blocks can appear. Nothing external, */
/*  nothing on other screens.                                         */
/* ────────────────────────────────────────────────────────────────── */

function citami_asset_url($file) {
    return plugins_url('assets/' . $file, CITAMI_PLUGIN_FILE);
}

/** Admin screens that get the stylesheet (hook suffixes). */
function citami_admin_asset_screens() {
    return array('toplevel_page_citami-connector', 'post.php', 'post-new.php', 'edit.php', 'index.php');
}

add_action('admin_enqueue_scripts', function ($hook) {
    if (!in_array((string) $hook, citami_admin_asset_screens(), true)) {
        return;
    }
    wp_enqueue_style('citami-admin', citami_asset_url('admin.css'), array(), CITAMI_PLUGIN_VERSION);
    // 2.38 — the app shell's small script, only on the plugin page.
    if ((string) $hook === citami_admin_hook()) {
        wp_enqueue_script('citami-app', citami_asset_url('app.js'), array(), CITAMI_PLUGIN_VERSION, true);
    }
    // 2.70.2 — the editor boxes (SEO box, internal links, FAQ editor) and the quick-edit
    // form: one enqueued file, no inline script tag (WordPress.org review).
    if (in_array((string) $hook, array('post.php', 'post-new.php', 'edit.php'), true)) {
        wp_enqueue_script('citami-boxes', citami_asset_url('boxes.js'), array(), CITAMI_PLUGIN_VERSION, true);
    }
    // 2.59 — post editor (classic and block): the SEO box's "write it with AI" links
    // say they are working, and after the reload the draft is brought into view.
    if (in_array((string) $hook, array('post.php', 'post-new.php'), true)) {
        wp_register_script('citami-postedit', false, array(), CITAMI_PLUGIN_VERSION, true);
        wp_enqueue_script('citami-postedit');
        wp_add_inline_script('citami-postedit', citami_postedit_inline_js());
        if (function_exists('citami_gsc_meta_ai_inline_js')) {
            wp_add_inline_script('citami-postedit', citami_gsc_meta_ai_inline_js());
        }
    }
});

/**
 * 2.60 — the SEO box's AI draft without leaving the editor (classic and
 * block): "write", "use", "discard" and "rewrite" call the same REST route
 * as the block sidebar, the draft is shown in the box, and "use" fills the
 * box's short-answer/FAQ fields so a later Save keeps them. No reload, so
 * edits not yet saved are never lost.
 */
function citami_postedit_inline_js() {
    $post = isset($GLOBALS['post']) && is_object($GLOBALS['post']) ? $GLOBALS['post'] : null;
    $cfg = array(
        'rest'   => rest_url('citami/v1/aeo-draft'),
        'nonce'  => wp_create_nonce('wp_rest'),
        'postId' => $post ? (int) $post->ID : 0,
        't'      => array(
            'title'   => citami_t('Bozza scritta dalla piattaforma', 'Draft written by the platform'),
            'intro'   => citami_t('Solo dal testo salvato di questa pagina. Non è ancora nella pagina: decidi tu.', 'From this page\'s saved text only. It is not on the page yet: you decide.'),
            'tldr'    => citami_t('Risposta breve', 'Short answer'),
            'use'     => citami_t('Usa la bozza', 'Use the draft'),
            'discard' => citami_t('Scarta', 'Discard'),
            'retry'   => citami_t('Riscrivi', 'Rewrite'),
            'now'     => citami_t('Ora nella pagina', 'Now on the page'),
            'proposed'=> citami_t('Proposta', 'Proposed'),
            'none'    => citami_t('nessuna risposta breve', 'no short answer'),
            'faqAdd'  => citami_t('%d FAQ da aggiungere in fondo alla pagina', '%d FAQ to add at the bottom of the page'),
            'useNote' => citami_t('"Usa la bozza" scrive risposta breve e FAQ nei campi di questo box e le salva; il resto della pagina resta com\'è.', '"Use the draft" writes the short answer and FAQ into this box\'s fields and saves them; the rest of the page stays as it is.'),
            'busy'    => citami_t('Sto scrivendo… 10-20 secondi', 'Writing… 10-20 seconds'),
            'working' => citami_t('Un momento…', 'One moment…'),
            'error'   => citami_t('La piattaforma non ha risposto: riprova tra poco.', 'The platform did not answer: try again shortly.'),
        ),
    );
    $js = <<<'JS'
(function(C){
if(!C||!C.postId||!window.fetch)return;
function esc(s){var d=document.createElement("div");d.textContent=s==null?"":String(s);return d.innerHTML;}
function holder(){var h=document.getElementById("citami-aeo-draft");if(h)return h;var b=document.getElementById("citami_seo");if(!b)return null;var inside=b.querySelector(".citami-seo-box")||b.querySelector(".inside")||b;h=document.createElement("div");h.id="citami-aeo-draft";h.className="citami-aeo-draft";h.setAttribute("data-citami","aeo-draft");inside.insertBefore(h,inside.firstChild);return h;}
function sync(applied){if(!applied)return;try{var tl=document.getElementById("citami_tldr");if(tl&&typeof applied.tldr==="string")tl.value=applied.tldr;var box=document.querySelector(".citami-faq-editor");if(!box||!Array.isArray(applied.faq))return;var rows=box.querySelector(".citami-faq-rows"),tpl=box.querySelector(".citami-faq-template");if(!rows||!tpl)return;rows.innerHTML="";applied.faq.forEach(function(it){var n=tpl.content.cloneNode(true);var q=n.querySelector("input"),a=n.querySelector("textarea");if(q)q.value=it.q||"";if(a)a.value=it.a||"";rows.appendChild(n);});}catch(e){}window.dispatchEvent(new Event("citami:refresh"));}
function render(d,msg,ok){var h=holder();if(!h)return;var b=h.closest(".postbox");if(b&&b.classList.contains("closed"))b.classList.remove("closed");var html='<p class="citami-aeo-draft-head"><strong>'+esc(C.t.title)+'</strong>'+(d?' <span class="description">'+esc(C.t.intro)+'</span>':'')+'</p>';if(msg)html+='<p class="citami-aeo-draft-notice citami-aeo-draft-notice--'+(ok?"success":"error")+'" role="status">'+esc(msg)+'</p>';if(d){var cur=document.getElementById("citami_tldr");cur=cur?cur.value.trim():"";if(d.tldr)html+='<div class="citami-aeo-compare"><div class="is-old"><span class="citami-aeo-draft-label">'+esc(C.t.now)+'</span><p>'+(cur?esc(cur):"<em>"+esc(C.t.none)+"</em>")+'</p></div><div class="is-new"><span class="citami-aeo-draft-label">'+esc(C.t.proposed)+'</span><p>'+esc(d.tldr)+'</p></div></div>';if(d.faq&&d.faq.length){html+='<span class="citami-aeo-draft-label">'+esc(C.t.faqAdd.replace("%d",d.faq.length))+'</span><dl class="citami-aeo-draft-faq">';d.faq.forEach(function(f){html+="<dt>"+esc(f.q)+"</dt><dd>"+esc(f.a)+"</dd>";});html+="</dl>";}html+='<p class="citami-aeo-draft-actions"><a href="#" class="button button-primary" data-citami-draft="apply">'+esc(C.t.use)+'</a> <a href="#" class="button" data-citami-draft="generate">'+esc(C.t.retry)+'</a> <a href="#" class="button-link" data-citami-draft="discard">'+esc(C.t.discard)+'</a></p><p class="description">'+esc(C.t.useNote)+"</p>";}h.innerHTML=html;h.style.outline="2px solid #7c3aed";h.style.outlineOffset="4px";h.scrollIntoView({block:"center"});}
document.addEventListener("click",function(e){var a=e.target&&e.target.closest?e.target.closest("a"):null;if(!a)return;var act=a.getAttribute("data-citami-draft"),kind="both";if(!act){var href=a.getAttribute("href")||"";if(href.indexOf("action=citami_aeo_draft")<0)return;var m=/[?&]do=([a-z_]+)/.exec(href);act=m?m[1]:"generate";var k=/[?&]kind=([a-z_]+)/.exec(href);if(k)kind=k[1];}
if(["generate","apply","discard"].indexOf(act)<0)return;e.preventDefault();if(a.getAttribute("aria-busy"))return;a.setAttribute("aria-busy","true");a.style.opacity=".7";a.textContent=act==="generate"?C.t.busy:C.t.working;
fetch(C.rest,{method:"POST",credentials:"same-origin",headers:{"Content-Type":"application/json","X-WP-Nonce":C.nonce},body:JSON.stringify({post_id:C.postId,do:act,kind:kind})}).then(function(r){return r.json();}).then(function(d){if(act==="apply"&&d.ok)sync(d.applied);render(d.draft,d.message,d.ok!==false);}).catch(function(){render(null,C.t.error,false);}).then(function(){a.removeAttribute("aria-busy");a.style.opacity="";});},true);
if(location.hash==="#citami-aeo-draft"){var n=0,t=setInterval(function(){var el=document.getElementById("citami-aeo-draft");if(el){var bx=el.closest(".postbox");if(bx&&bx.classList.contains("closed"))bx.classList.remove("closed");el.scrollIntoView({block:"center"});clearInterval(t);}if(++n>40)clearInterval(t);},250);}
})(CITAMI_CFG);
JS;
    return str_replace('CITAMI_CFG', wp_json_encode($cfg), $js);
}

/** Front-end: singular content, or anywhere the locations shortcode may print. */
function citami_front_assets_needed() {
    if (is_admin()) {
        return false;
    }
    if (is_singular()) {
        return true;
    }
    return function_exists('citami_locations') && !empty(citami_locations());
}

add_action('wp_enqueue_scripts', function () {
    if (!citami_front_assets_needed()) {
        return;
    }
    wp_enqueue_style('citami-front', citami_asset_url('front.css'), array(), CITAMI_PLUGIN_VERSION);
});

/**
 * 2.70.2 — the stylesheet of the standalone /ai-info documents (no theme, no
 * wp_head): registered, enqueued and printed by WordPress (wp_print_styles),
 * never a hand-written tag. 2.73.1 — no fallback tag either (WordPress.org
 * review). Returns the markup WordPress prints, for the document's head.
 */
function citami_ai_info_style_tag() {
    wp_register_style('citami-ai-info', citami_asset_url('ai-info.css'), array(), CITAMI_PLUGIN_VERSION);
    wp_enqueue_style('citami-ai-info');
    ob_start();
    wp_print_styles(array('citami-ai-info'));
    $tag = trim((string) ob_get_clean());
    return $tag === '' ? '' : $tag . "\n";
}