<?php
/**
 * ============================================================================
 * {{HEADER_TITLE}}
 * ----------------------------------------------------------------------------
 * Generated by content_script_builder.php (compile model: gpt-5) on {{DATE}}.
 * Runtime AI model is forced to **gpt-4.1-nano** for all completions.
 * Reads marching orders from `c_domain_build_queue` and creates a new page.
 * ============================================================================
 */

error_reporting(E_ALL & ~E_NOTICE);
ini_set('display_errors', 1);

require_once('config.php');
require_once('db_router_legacy.php');
@if_ai_loader@
@if_ai_stub@

/* ----------- force nano at runtime (safe wrapper if missing) --------------- */
if (!function_exists('ai_model_get')) {
    function ai_model_get(){ return 'gpt-4.1-nano'; }
}

/* -------------------------- params + toggles ------------------------------- */
$DRY_RUN = isset($_GET['dry_run']) ? (intval($_GET['dry_run'])?1:0) : 0;
$PROFILE = isset($_GET['profile']) ? (intval($_GET['profile'])?1:0) : 1;

$domain  = isset($_GET['domain']) ? trim($_GET['domain']) : '{{DOMAIN}}';
$conn_id = isset($_GET['conn_id']) ? intval($_GET['conn_id']) : {{CONN_ID}};
$queue_id = isset($_GET['queue_id']) ? intval($_GET['queue_id']) : 0; // optional

/* ------------------------------- DB links ---------------------------------- */
$qLink = function_exists('db_queue_connect') ? db_queue_connect() : null;
$tLink = (function_exists('db_connect_by_conn_id') && $conn_id) ? db_connect_by_conn_id($conn_id) : null;

/* ---------------------------- Topic from tenant ----------------------------- */
$topic = 'Home Services'; $domain_keyword=''; $x_main_keyword='';
if (function_exists('derive_topic_from_tenant') && $tLink) {
    $tmp = derive_topic_from_tenant($tLink, $domain, 'domain');
    if (is_array($tmp) && count($tmp)>=3) { $topic=$tmp[0]; $domain_keyword=$tmp[1]; $x_main_keyword=$tmp[2]; }
}


/* ----------------------------- Queue marching orders ----------------------- */
$queue_row = null;
if ($qLink && $queue_id) {
    $rs = @mysql_query("SELECT * FROM c_domain_build_queue WHERE id=".(int)$queue_id." LIMIT 1", $qLink);
} elseif ($qLink && $domain !== '') {
    $rs = @mysql_query("SELECT * FROM c_domain_build_queue WHERE domain='".mysql_real_escape_string($domain)."' ORDER BY id DESC LIMIT 1", $qLink);
}
if (isset($rs) && $rs && mysql_num_rows($rs)) { $queue_row = mysql_fetch_assoc($rs); }

if (is_array($queue_row)) {
    if (isset($queue_row['slug']) && $queue_row['slug']!=='') { $SLUG = $queue_row['slug']; }
    if (isset($queue_row['type']) && $queue_row['type']!=='') { $TEMPLATE = $queue_row['type']; }
}

/* ------------------------------- Build plan -------------------------------- */
$PLAN = @json_decode('{{PLAN_JSON}}', true); if (!is_array($PLAN)) $PLAN=array();

/* ------------------------------- Meta/title -------------------------------- */
$dividers = array(' - ', ' | ');
$divider = $dividers[ (crc32($domain) % count($dividers)) ];
$meta_title = (isset($PLAN['title_prefix'])?$PLAN['title_prefix']:'') . $divider . $topic;
$meta_title = trim($meta_title, ' -|');
if (function_exists('ai_complete')) {
    $ask = "Write a concise, data-backed H1 title (max 60 chars) for a page about: {$topic}. Return ONLY the title.";
    $meta_title = ai_complete($ask, 'Title');
}

$meta_desc = isset($PLAN['meta_override'])?$PLAN['meta_override']:'';
if ($meta_desc==='') {
    if (function_exists('ai_complete')) {
        $meta_desc = ai_complete("Write a 2-sentence meta description (<= 160 chars) about {$topic}. No emojis. No guarantees.", "Meta Description");
    } else {
        $meta_desc = "Learn about {$topic}.";
    }
}
if (function_exists('smart_meta')) $meta_desc = smart_meta($meta_desc, 160);

/* ------------------------------ Content HTML -------------------------------- */
$content = array(); // collect sections, then implode

// Intro paragraph
if (function_exists('ai_complete')) {
    $intro = ai_complete("Write a short, friendly intro paragraph about {$topic}. No links, no guarantees.", "Intro");
} else {
    $intro = "Welcome! This page covers {$topic}.";
}
$content[] = '<p>'.htmlspecialchars($intro, ENT_QUOTES, 'UTF-8').'</p>';

// Images
$imgCount = isset($PLAN['images_count']) ? intval($PLAN['images_count']) : 0;
$imgTopic = isset($PLAN['images_topic']) && strlen($PLAN['images_topic']) ? $PLAN['images_topic'] : $topic;
if ($imgCount > 0) {
    $imgs = array();
    for ($i=0; $i<$imgCount; $i++) {
        // At runtime you likely use your vector/images helper
        $imgs[] = '<img src="/media/placeholder/'.($i+1).'.jpg" alt="'.htmlspecialchars($imgTopic, ENT_QUOTES, 'UTF-8').'" />';
    }
    $content[] = '<div class="img-grid">'.implode("\n", $imgs).'</div>';
}

// Table
$r = isset($PLAN['table_rows'])?intval($PLAN['table_rows']):0;
$c = isset($PLAN['table_cols'])?intval($PLAN['table_cols']):0;
if ($r>0 && $c>0) {
    $tt = isset($PLAN['table_topic'])?$PLAN['table_topic']:$topic;
    $html = '<table class="table"><thead><tr>';
    for ($j=0;$j<$c;$j++){ $html.='<th>'.htmlspecialchars($tt.' Col '.($j+1), ENT_QUOTES, 'UTF-8').'</th>'; }
    $html.='</tr></thead><tbody>';
    for ($i=0;$i<$r;$i++){
        $html.='<tr>';
        for ($j=0;$j<$c;$j++){
            $cell = $tt.' R'.($i+1).'C'.($j+1);
            $html.='<td>'.htmlspecialchars($cell, ENT_QUOTES, 'UTF-8').'</td>';
        }
        $html.='</tr>';
    }
    $html.='</tbody></table>';
    $content[] = $html;
}

// Freeform block
$free = isset($PLAN['freeform'])?$PLAN['freeform']:'';
if ($free !== '') {
    if (function_exists('ai_complete')) {
        $ask = "Using this instruction, write an HTML-ready section about {$topic}: \n".$free."\nRules: no links, no claims, neutral tone.";
        $free_html = ai_complete($ask, 'Freeform');
        $content[] = '<div class="freeform">'. $free_html .'</div>';
    } else {
        $content[] = '<div class="freeform"><p>'.htmlspecialchars($free, ENT_QUOTES, 'UTF-8').'</p></div>';
    }
}

$CONTENT_HTML = implode("\n\n", $content);

/* ------------------------------- Upsert ------------------------------------ */
$TARGET = '{{TARGET}}'; // custom_page | content_group
$SLUG   = '{{SLUG}}';
$TEMPLATE = '{{TEMPLATE}}';

$payload = array(
    'conn_id' => $conn_id,
    'domain'  => $domain,
    'slug'    => $SLUG,
    'title'   => $meta_title,
    'meta_title' => $meta_title,
    'meta_description' => $meta_desc,
    'type'    => $TEMPLATE,
    'type_data' => array()
);
if ($TARGET === 'content_group') {
    $payload['body'] = $CONTENT_HTML;
} else {
    $payload['content'] = $CONTENT_HTML;
}

$result = array('error'=>'LpV2ApiHelper not available');
if (class_exists('\\App\\Support\\LpV2ApiHelper')) {
    if (!$DRY_RUN) {
        if ($TARGET === 'content_group') {
            $result = \App\Support\LpV2ApiHelper::contentGroupsUpsert($payload);
        } else {
            $result = \App\Support\LpV2ApiHelper::customPagesUpsert($payload);
        }
    } else {
        $result = array('dry_run'=>1);
    }
}

/* ------------------------------- Output ------------------------------------ */
header('Content-Type: application/json; charset=UTF-8');
echo json_encode(array(
    'ok' => 1,
    'payload' => $payload,
    'result' => $result,
    'meta' => array('title'=>$meta_title, 'description'=>$meta_desc),
    'plan' => $PLAN
), JSON_UNESCAPED_SLASHES);