<?php

$ctx->withData([
    'title' => 'Novaconium Edit Page',
    'pageclass' => 'novaconium',
    'pageid' => 'controlPanel',
    'editor' => 'ace'
]);

// Check if logged in
if (empty($ctx->session->get('username'))) {
    $ctx->messages->error('You are not logged in');
    $ctx->redirect->url('/novaconium/login');
    makeitso();
}

// Get page ID from router parameters
$pageid = $ctx->router->parameters['id'] ?? null;

if (!empty($pageid)) {
    // Existing page: fetch from database
    $query = <<<EOSQL
        WITH all_tags AS (
  SELECT GROUP_CONCAT(DISTINCT name ORDER BY name SEPARATOR ',') AS tags_list
  FROM tags
)
SELECT 
    p.id, 
    p.title, 
    p.heading, 
    p.description, 
    p.keywords, 
    p.author, 
    p.slug, 
    p.path, 
    p.intro, 
    p.body, 
    p.notes, 
    p.draft, 
    p.changefreq, 
    p.priority, 
    p.created, 
    p.updated, 
    COALESCE(GROUP_CONCAT(DISTINCT t.name ORDER BY t.name SEPARATOR ','), '') AS page_tags,
    at.tags_list AS existing_tags
FROM pages p 
LEFT JOIN page_tags pt ON p.id = pt.page_id 
LEFT JOIN tags t ON pt.tag_id = t.id 
CROSS JOIN all_tags at  -- Zero-cost join for scalar
WHERE p.id = ? 
GROUP BY p.id;
EOSQL;

    $ctx->data['rows'] = $ctx->db->getRow($query, [$pageid]);

    // If no row is found, treat as new page
    if (!$ctx->data['rows']) {
        $pageid = null;
    }
}

if (empty($pageid)) {
    // New page: set default values for all fields
    $ctx->data['rows'] = [
        'id'          => 'newpage',
        'title'       => '',
        'heading'     => '',
        'description' => '',
        'keywords'    => '',
        'author'      => $ctx->session->get('username') ?? '',
        'slug'        => '',
        'path'        => '',
        'intro'       => '',
        'body'        => '',
        'notes'       => '',
        'draft'       => 0,
        'changefreq'  => 'monthly',
        'priority'    => 0.0,
        'created'     => date('Y-m-d H:i:s'),
        'updated'     => date('Y-m-d H:i:s')
    ];
}

// Render the edit page view
view('@novacore/editpage/index', $ctx->data);