<?php
// ─── Public-site data (plain-PDO replacements for the old CI4 models) ─────────
// The ported website/* partials read the same shapes the CI4 models returned.
// Every query is defensive — the gym-content tables can be empty on a fresh DB.

// Every site_*() reader takes the gym (functions_gyms.php); by default the one
// the current page renders (current_gym()), so single-gym code paths — the
// privacy page, events, mail handlers — keep working unchanged.
function _site_gym_id(?int $gym_id): int {
    return $gym_id ?? (int) current_gym()['id'];
}

// fitme3070_info row of the gym (id = gyms.id). Always returns every key the
// views read, so empty installs render without warnings.
function site_info(PDO $pdo, ?int $gym_id = null): array {
    $cols = ['id','name','adress','phone','telephone','whatsapp','instagram',
             'facebook','messenger','email','website','google_maps','google_maps_link'];
    $row = [];
    try {
        $st = $pdo->prepare("SELECT * FROM fitme3070_info WHERE id = ? LIMIT 1");
        $st->execute([_site_gym_id($gym_id)]);
        $row = $st->fetch(PDO::FETCH_ASSOC) ?: [];
    } catch (Throwable $e) { $row = []; }
    foreach ($cols as $c) {
        if (!array_key_exists($c, $row) || $row[$c] === null) $row[$c] = '';
    }
    // wa.me only accepts digits — a stray "+" or space would break the link.
    $row['whatsapp'] = preg_replace('/\D+/', '', (string) $row['whatsapp']);
    return $row;
}

// Top navigation (label => absolute URL): anchors on the gym's own page, only
// for the sections that gym shows, plus its CrossFit page when it has one.
function site_navbar(?array $gym = null): array {
    $gym = $gym ?? current_gym();
    $items = ['Home' => ['#home', null]];
    foreach (['Modalidades' => 'modalidades', 'Equipa' => 'equipa', 'Horário' => 'horario',
              'Mensalidades' => 'mensalidades', 'Contactos' => 'contactos'] as $label => $sec) {
        if (!gym_section_on($gym, $sec)) continue;
        // No active plans → the section isn't rendered, so no link to it either.
        if ($sec === 'mensalidades' && !empty($GLOBALS['pdo']) && !site_memberships($GLOBALS['pdo'], (int) $gym['id'])) continue;
        $items[$label] = ['#' . $sec, $sec];
    }
    $nav = [];
    foreach ($items as $label => [$hash]) $nav[$label] = gym_url($gym, $hash);
    if (!empty($gym['has_crossfit'])) $nav['CrossFit'] = gym_url($gym, 'crossfit');
    return $nav;
}

function site_offer(PDO $pdo, ?int $gym_id = null): array {
    try {
        $st = $pdo->prepare(
            "SELECT * FROM website_offer
             WHERE gym_id = ? AND (o_deleted_at IS NULL OR o_deleted_at = '0000-00-00 00:00:00' OR o_deleted_at = '')"
        );
        $st->execute([_site_gym_id($gym_id)]);
        return $st->fetchAll(PDO::FETCH_ASSOC);
    } catch (Throwable $e) { return []; }
}

function site_work_hours(PDO $pdo, ?int $gym_id = null): array {
    try {
        $st = $pdo->prepare("SELECT * FROM work_hours WHERE deleted_at IS NULL AND gym_id = ?");
        $st->execute([_site_gym_id($gym_id)]);
        return $st->fetchAll(PDO::FETCH_ASSOC);
    } catch (Throwable $e) { return []; }
}

function site_team(PDO $pdo, ?int $gym_id = null): array {
    try {
        $st = $pdo->prepare("SELECT * FROM team WHERE deleted_at IS NULL AND gym_id = ?");
        $st->execute([_site_gym_id($gym_id)]);
        return $st->fetchAll(PDO::FETCH_ASSOC);
    } catch (Throwable $e) { return []; }
}

function site_modalidades(PDO $pdo, ?int $gym_id = null): array {
    try {
        $st = $pdo->prepare("SELECT * FROM modalidades WHERE deleted_at IS NULL AND gym_id = ? ORDER BY item_order DESC");
        $st->execute([_site_gym_id($gym_id)]);
        return $st->fetchAll(PDO::FETCH_ASSOC);
    } catch (Throwable $e) { return []; }
}

// Currently-visible time-limited events for the homepage banner: the gym's own
// plus those for every gym (gym_id NULL).
function site_active_events(PDO $pdo, ?int $gym_id = null): array {
    if (!function_exists('db_events_active')) return [];
    $gid = _site_gym_id($gym_id);
    return array_values(array_filter(db_events_active($pdo), fn($e) =>
        !isset($e['gym_id']) || $e['gym_id'] === null || (int) $e['gym_id'] === $gid));
}

// ─── Image-path resolver ──────────────────────────────────────────────────────
// DB stores either a bare filename ("1.jpg") or a full relative path
// ("uploads/team/foto/1.jpg"). This normalises both to a working URL.
// $base_dir is the upload subdirectory (e.g. "uploads/team/foto").
function site_img_url($value, $base_dir): string {
    // Coerce null/empty to empty string
    $value = (string) $value;
    if ($value === '') return '';
    // Already a full URL
    if (substr($value, 0, 4) === 'http') return $value;
    // Already has the uploads/ prefix — use as-is
    if (substr($value, 0, 8) === 'uploads/') return base_url($value);
    // Bare filename — prepend the base directory
    return base_url(rtrim((string) $base_dir, '/') . '/' . ltrim($value, '/'));
}

// Same value/$base_dir resolution as site_img_url(), but to a filesystem path
// (for getimagesize()) instead of a URL. Empty string for a remote http(s)
// image or anything that doesn't resolve to a local file.
function site_img_path($value, $base_dir): string {
    $value = (string) $value;
    if ($value === '' || substr($value, 0, 4) === 'http') return '';
    $root = dirname(__DIR__);
    $rel  = (substr($value, 0, 8) === 'uploads/')
        ? $value
        : rtrim((string) $base_dir, '/') . '/' . ltrim($value, '/');
    return $root . '/' . $rel;
}

// width="" height="" attribute string for an uploaded image, read from the
// file itself (uploads aren't resized to one fixed size — see
// config/functions_images.php — so this can't be hardcoded). Empty string
// when the file is missing/unreadable, so the <img> just renders without the
// attributes rather than with bogus 0x0 ones.
function site_img_dims_attr($value, $base_dir): string {
    $path = site_img_path($value, $base_dir);
    if ($path === '') return '';
    return svg_img_dims_attr($path);
}

// width="" height="" for any local raster or SVG file. getimagesize() covers
// raster; for SVG (which it doesn't decode) this reads the width/height
// attributes and falls back to the viewBox aspect ratio when only that is
// set (e.g. the site logos). Empty string when the file is missing or has no
// size info to go on.
function svg_img_dims_attr(string $path): string {
    if (!is_file($path)) return '';
    if (strtolower(pathinfo($path, PATHINFO_EXTENSION)) !== 'svg') {
        $info = @getimagesize($path);
        return $info ? 'width="' . (int) $info[0] . '" height="' . (int) $info[1] . '"' : '';
    }
    $svg = (string) @file_get_contents($path, false, null, 0, 4096);
    if (preg_match('/\bwidth="([\d.]+)"/', $svg, $mw) && preg_match('/\bheight="([\d.]+)"/', $svg, $mh)) {
        return 'width="' . (int) round((float) $mw[1]) . '" height="' . (int) round((float) $mh[1]) . '"';
    }
    if (preg_match('/\bviewBox="[\d.\-]+\s+[\d.\-]+\s+([\d.]+)\s+([\d.]+)"/', $svg, $mv)) {
        return 'width="' . (int) round((float) $mv[1]) . '" height="' . (int) round((float) $mv[2]) . '"';
    }
    return '';
}

// Schedule joined to modalidades (name/colour/icon), optionally filtered by
// local (e.g. 'crossfit'). Mirrors Horario_model::getAll().
function site_horario(PDO $pdo, string $local = '', ?int $gym_id = null): array {
    $sql = "SELECT h.*,
                   TIME_FORMAT(h.hora_inicio, '%H:%i') AS hora_inicio,
                   TIME_FORMAT(h.hora_fim,    '%H:%i') AS hora_fim,
                   m.nome, m.cor, m.icon
            FROM horario h
            JOIN modalidades m ON m.m_id = h.id_modalidade AND m.deleted_at IS NULL
            WHERE h.deleted_at IS NULL AND m.gym_id = ?";
    $args = [_site_gym_id($gym_id)];
    if ($local !== '') { $sql .= " AND h.local = ?"; $args[] = $local; }
    $sql .= " ORDER BY h.hora_inicio ASC, m.nome ASC";
    try { $st = $pdo->prepare($sql); $st->execute($args); return $st->fetchAll(PDO::FETCH_ASSOC); }
    catch (Throwable $e) { return []; }
}

// ─── Indexing ─────────────────────────────────────────────────────────────────
// SEO_NOINDEX=true in .env keeps an install out of search results (meta robots
// + robots.txt "Disallow: /"). For staging copies such as fitme.andmore.pt,
// which serve the same content as the real domain and would otherwise compete
// with it as duplicate content.
function seo_noindex(): bool {
    return filter_var(env('SEO_NOINDEX', 'false'), FILTER_VALIDATE_BOOLEAN);
}

// Public, indexable URLs for sitemap.xml: the fixed pages plus any live event
// landing page.
function site_sitemap_urls(PDO $pdo): array {
    // One entry per PUBLISHED gym (unpublished ones must not be discoverable).
    $urls = [];
    foreach (db_gyms_published($pdo) ?: [gym_fallback()] as $g) {
        $urls[] = ['loc' => gym_url($g), 'priority' => '1.0'];
        if (!empty($g['has_crossfit'])) $urls[] = ['loc' => gym_url($g, 'crossfit'), 'priority' => '0.8'];
    }
    $urls[] = ['loc' => base_url('home/privacidade'), 'priority' => '0.2'];
    $urls[] = ['loc' => base_url('home/termos'),      'priority' => '0.1'];
    foreach (function_exists('db_events_active') ? db_events_active($pdo) : [] as $ev) {
        $urls[] = ['loc' => base_url('evento/' . rawurlencode($ev['slug'])), 'priority' => '0.6'];
    }
    return $urls;
}

// E.164 form for tel: links and structured data. Numbers are stored however
// the admin typed them ("964 201 137", "+351 231 451 346"); a bare 9-digit
// Portuguese number gets +351 so the link also works from a foreign phone.
function site_tel(?string $phone): string {
    $p = preg_replace('/[^\d+]/', '', (string) $phone);
    if ($p === '') return '';
    if ($p[0] !== '+' && strlen($p) === 9) return '+351' . $p;
    if ($p[0] !== '+' && str_starts_with($p, '00')) return '+' . substr($p, 2);
    return $p;
}

// ─── Modalidade icon markup ───────────────────────────────────────────────────
// The FitMe icon set (uploads/modalidades/icons/fitme-*.svg, shipped in the repo
// — backoffice uploads are always named upl_*) is inlined so CSS can animate
// the strokes: every drawable element gets pathLength="1" for the draw-in, and
// the <svg> carries data-anim, a per-family movement (see style.css). Anything
// else (legacy PNGs, uploaded SVGs) stays a plain <img>.
function modalidade_icon_anim(string $slug): string {
    $map = [
        'lift'    => ['yourfit-pump', 'crossfit', 'crossfit-teen-s', 'fbb', 'yourfit-core', 'total-workout'],
        'punch'   => ['yourfit-fight', 'bootcamp'],
        'breathe' => ['yourfit-mind', 'yoga', 'pilates'],
        'bounce'  => ['zumba', 'jump', 'yourfit-pulse', 'hybrid'],
        'flicker' => ['fitburn'],
        'ride'    => ['cycling'],
        'run'     => ['run3070', 'on-ramp', 'localizada'],
    ];
    foreach ($map as $anim => $slugs) if (in_array($slug, $slugs, true)) return $anim;
    return 'lift';
}

function modalidade_icon_html(?string $icon): string {
    $icon = trim((string) $icon);
    if ($icon === '') return '';
    if (preg_match('/^fitme-([a-z0-9-]+)\.svg$/', $icon, $m)) {
        $file = dirname(__DIR__) . '/uploads/modalidades/icons/' . $icon;
        $svg  = is_file($file) ? (string) file_get_contents($file) : '';
        if (str_starts_with(ltrim($svg), '<svg')) {
            // Belt and braces: no scripts / event handlers, whatever the file says.
            $svg = preg_replace('~<script\b.*?</script>~is', '', $svg);
            $svg = preg_replace('~\son\w+\s*=\s*("[^"]*"|\'[^\']*\')~i', '', $svg);
            $svg = preg_replace('~\scolor="[^"]*"~', '', $svg, 1);       // colour comes from CSS
            $svg = preg_replace('~<(path|circle|rect|line|polyline|polygon|ellipse)\b~', '<$1 pathLength="1"', $svg);
            $svg = preg_replace('~^\s*<svg\b~', '<svg class="mi" data-anim="' . modalidade_icon_anim($m[1]) . '" aria-hidden="true" focusable="false"', $svg, 1);
            return $svg;
        }
    }
    $dims = site_img_dims_attr($icon, 'uploads/modalidades/icons');
    return '<img loading="lazy" decoding="async" draggable="false" ' . $dims
        . ' src="' . htmlspecialchars(site_img_url($icon, 'uploads/modalidades/icons')) . '" alt="">';
}