<?php
/**
 * JARVIS Sites Manager — read/write email settings across all hosted sites
 */

// ── Site definitions ────────────────────────────────────────────────
$SITES = [
    'tomsjavajive' => [
        'name'  => "Tom's Java Jive",
        'url'   => 'https://tomsjavajive.com',
        'type'  => 'db',
        'db'    => ['host'=>'localhost','name'=>'toms_tjj_db','user'=>'toms_tjj_user','pass'=>'+60wlPc+55e@gFq4'],
        'keys'  => ['api_key'=>'cybermail_api_key','from_email'=>'cybermail_from_email','from_name'=>'cybermail_from_name','admin_email'=>'smtp_admin_email'],
    ],
    'tomtomgames' => [
        'name'  => 'TomTomGames',
        'url'   => 'https://tomtomgames.com',
        'type'  => 'file',
        'file'  => '/home/tomtomgames.com/includes/config.php',
        'keys'  => ['api_key'=>'CYBERMAIL_API_KEY','from_email'=>'SMTP_FROM','from_name'=>'SMTP_FROM_NAME','admin_email'=>'ADMIN_EMAIL'],
    ],
    'epictravelexpeditions' => [
        'name'  => 'Epic Travel Expeditions',
        'url'   => 'https://epictravelexpeditions.com',
        'type'  => 'file',
        'file'  => '/home/epictravelexpeditions.com/public_html/api/config.php',
        'keys'  => ['api_key'=>'CYBERMAIL_API_KEY','from_email'=>'MAIL_FROM','from_name'=>'MAIL_FROM_NAME','admin_email'=>'ADMIN_EMAIL'],
    ],
    'parkerslingshot' => [
        'name'  => 'Parker Slingshot',
        'url'   => 'https://parkerslingshot.epictravelexpeditions.com',
        'type'  => 'file',
        'file'  => '/home/epictravelexpeditions.com/parkerslingshot/db.php',
        'keys'  => ['api_key'=>'CYBERMAIL_API_KEY','from_email'=>'MAIL_FROM','from_name'=>'MAIL_FROM_NAME','admin_email'=>'ADMIN_EMAIL'],
    ],
    'parkerslingshotrentals' => [
        'name'  => 'Parker Slingshot Rentals',
        'url'   => 'https://parkerslingshotrentals.com',
        'type'  => 'file',
        'file'  => '/home/parkerslingshotrentals.com/public_html/db.php',
        'keys'  => ['api_key'=>'CYBERMAIL_API_KEY','from_email'=>'MAIL_FROM','from_name'=>'MAIL_FROM_NAME','admin_email'=>'ADMIN_EMAIL'],
    ],
];

// ── Helpers ──────────────────────────────────────────────────────────
function fileGet(string $file, string $constant): string {
    if (!file_exists($file)) return '';
    $content = file_get_contents($file);
    if (preg_match("/define\s*\(\s*['\"]" . preg_quote($constant, '/') . "['\"],\s*['\"]([^'\"]*)['\"].*?\)/s", $content, $m))
        return $m[1];
    return '';
}

function fileSet(string $file, string $constant, string $value): bool {
    if (!file_exists($file)) return false;
    $content = file_get_contents($file);
    $safe = str_replace("'", "\\'", $value);
    $new = preg_replace(
        "/define\s*\(\s*['\"]" . preg_quote($constant, '/') . "['\"],\s*['\"][^'\"]*['\"](\s*)\)/",
        "define('" . $constant . "', '" . $safe . "'$1)",
        $content
    );
    if ($new === null || $new === $content) return false;
    return file_put_contents($file, $new) !== false;
}

function dbGet(array $db, string $key): string {
    try {
        $pdo = new PDO("mysql:host={$db['host']};dbname={$db['name']};charset=utf8mb4",
            $db['user'], $db['pass'], [PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION]);
        $s = $pdo->prepare("SELECT setting_value FROM settings WHERE setting_key=?");
        $s->execute([$key]);
        $row = $s->fetch(PDO::FETCH_ASSOC);
        if (!$row) return '';
        $decoded = json_decode($row['setting_value'], true);
        return $decoded ?? $row['setting_value'];
    } catch (Exception $e) { return ''; }
}

function dbSet(array $db, string $key, string $value): bool {
    try {
        $pdo = new PDO("mysql:host={$db['host']};dbname={$db['name']};charset=utf8mb4",
            $db['user'], $db['pass'], [PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION]);
        $existing = $pdo->prepare("SELECT id FROM settings WHERE setting_key=?");
        $existing->execute([$key]);
        if ($existing->fetch()) {
            $pdo->prepare("UPDATE settings SET setting_value=? WHERE setting_key=?")->execute([json_encode($value), $key]);
        } else {
            $pdo->prepare("INSERT INTO settings (setting_key, setting_value) VALUES (?,?)")->execute([$key, json_encode($value)]);
        }
        return true;
    } catch (Exception $e) { return false; }
}

function siteGet(array $site, string $field): string {
    $constant = $site['keys'][$field] ?? '';
    if (!$constant) return '';
    if ($site['type'] === 'db') return dbGet($site['db'], $constant);
    return fileGet($site['file'], $constant);
}

function siteSet(array $site, string $field, string $value): bool {
    $constant = $site['keys'][$field] ?? '';
    if (!$constant) return false;
    if ($site['type'] === 'db') return dbSet($site['db'], $constant, $value);
    return fileSet($site['file'], $constant, $value);
}

// ── Router ───────────────────────────────────────────────────────────
if ($method === 'GET') {
    $result = [];
    foreach ($SITES as $id => $site) {
        $result[$id] = [
            'name'       => $site['name'],
            'url'        => $site['url'],
            'api_key'    => siteGet($site, 'api_key'),
            'from_email' => siteGet($site, 'from_email'),
            'from_name'  => siteGet($site, 'from_name'),
            'admin_email'=> siteGet($site, 'admin_email'),
        ];
    }
    echo json_encode(['success' => true, 'sites' => $result]);
    exit;
}

if ($method === 'POST') {
    $action  = $data['action'] ?? '';
    $siteId  = $data['site']   ?? '';
    $results = [];

    if ($action === 'push_key') {
        // Push API key to all sites at once
        $apiKey = trim($data['api_key'] ?? '');
        if (!$apiKey) { echo json_encode(['success'=>false,'error'=>'API key required']); exit; }
        foreach ($SITES as $id => $site) {
            $results[$id] = siteSet($site, 'api_key', $apiKey);
        }
        echo json_encode(['success'=>true,'results'=>$results]);
        exit;
    }

    if ($action === 'save' && $siteId && isset($SITES[$siteId])) {
        $site   = $SITES[$siteId];
        $fields = ['api_key', 'from_email', 'from_name', 'admin_email'];
        foreach ($fields as $field) {
            if (isset($data[$field])) {
                $results[$field] = siteSet($site, $field, trim($data[$field]));
            }
        }
        echo json_encode(['success'=>true,'results'=>$results]);
        exit;
    }

    echo json_encode(['success'=>false,'error'=>'Unknown action']);
    exit;
}

echo json_encode(['success'=>false,'error'=>'Method not allowed']);