<?php

require_once __DIR__ . '/vendor/autoload.php';

chdir(__DIR__);

use Ubnt\UcrmPluginSdk\Service\PluginConfigManager;
use Ubnt\UcrmPluginSdk\Service\UcrmApi;
use SmsNotifier\Service\PaymentIntentService;

// Carga manual del servicio
require_once __DIR__ . '/src/Service/PaymentIntentService.php';

if (!file_exists(__DIR__ . '/data/config.json')) {
    die('Acceso denegado o configuración no encontrada.');
}

$configManager = PluginConfigManager::create();
$config = $configManager->loadConfig();
$logger = new \SmsNotifier\Service\Logger();

// LOG DE EMERGENCIA
$debugLogPath = __DIR__ . '/data/debug_public.log';

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    $input = file_get_contents('php://input');
    $jsonData = json_decode((string)$input, true);

    if ($jsonData && (isset($jsonData['uuid']) || isset($jsonData['eventName']) || isset($jsonData['type']))) {
        file_put_contents($debugLogPath, "[" . date('Y-m-d H:i:s') . "] Webhook in public.php. Delegating..." . PHP_EOL, FILE_APPEND);

        $builder = new \DI\ContainerBuilder();
        $container = $builder->build();
        $plugin = $container->get(\SmsNotifier\Plugin::class);
        $plugin->run();
        exit;
    }
}

$ipServer = $config['ipserver'] ?? 'localhost';
$ucrmApiUrl = 'https://' . $ipServer . '/crm/api/v1.0/';
$ucrmPublicUrl = 'https://' . $ipServer . '/crm';

$httpClient = new \GuzzleHttp\Client([
    'base_uri' => $ucrmApiUrl,
    'verify' => false,
    'timeout' => 15
]);

$ucrmApi = new UcrmApi($httpClient, $config['apitoken'] ?? '');

$stripeService = new PaymentIntentService(
    $ucrmApi,
    $config['tokenstripe'] ?? '',
    $logger
);

// Admins Logic
$admins = [];
$defaultStripeAdminId = null;
try {
    $adminsRaw = $ucrmApi->get('users/admins');
    foreach ($adminsRaw as $admin) {
        $nombre = trim(($admin['firstName'] ?? '') . ' ' . ($admin['lastName'] ?? ''));
        $admins[] = ['id' => $admin['id'], 'nombre' => $nombre];
        if (strtolower($nombre) === 'stripe' || strtolower($admin['username'] ?? '') === 'stripe') {
            $defaultStripeAdminId = $admin['id'];
        }
    }
    if ($defaultStripeAdminId === null && !empty($admins)) $defaultStripeAdminId = $admins[0]['id'];
} catch (\Exception $e) {
}


// API HANDLERS
if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['action'])) {
    if ($_POST['action'] === 'save_installers') {
        $installersJson = $_POST['installers_data'] ?? '';
        if (json_decode($installersJson) !== null) {
            $configPath = __DIR__ . '/data/config.json';
            $currentConfig = json_decode(file_get_contents($configPath), true);
            $currentConfig['installersDataWhatsApp'] = $installersJson;
            file_put_contents($configPath, json_encode($currentConfig, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE));
            echo json_encode(['success' => true]);
            exit;
        }
        echo json_encode(['success' => false]);
        exit;
    }

    if ($_POST['action'] === 'resend_payment') {
        $paymentId = $_POST['paymentId'] ?? null;
        try {
            $payment = $ucrmApi->get("payments/$paymentId");
            $client = $ucrmApi->get("clients/{$payment['clientId']}");

            $payload = [
                'uuid' => 'manual-trigger',
                'changeType' => 'insert',
                'entity' => 'payment',
                'entityId' => (int)$paymentId,
                'eventName' => 'payment.add',
                'clientData' => $client,
                'paymentData' => $payment
            ];

            // Internal Loopback
            $protocol = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' || $_SERVER['SERVER_PORT'] == 443) ? "https://" : "http://";
            $selfUrl = $protocol . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF'];

            $ch = curl_init($selfUrl);
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
            curl_setopt($ch, CURLOPT_POST, true);
            curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($payload));
            curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/json']);
            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
            curl_setopt($ch, CURLOPT_TIMEOUT, 5);
            $res = curl_exec($ch);
            curl_close($ch);

            echo json_encode(['success' => true, 'message' => 'Notificación disparada.']);
        } catch (\Exception $e) {
            echo json_encode(['success' => false, 'message' => $e->getMessage()]);
        }
        exit;
    }
}

if (isset($_GET['action'])) {
    header('Content-Type: application/json');

    if ($_GET['action'] === 'search_clients') {
        $q = $_GET['q'] ?? '';
        try {
            $clients = $ucrmApi->get('clients', ['query' => $q, 'limit' => 6]);
            echo json_encode($clients);
        } catch (\Exception $e) {
            echo json_encode([]);
        }
        exit;
    }

    if ($_GET['action'] === 'get_payments') {
        $clientId = $_GET['clientId'] ?? null;
        try {
            $payments = $ucrmApi->get('payments', ['clientId' => $clientId, 'limit' => 20, 'order' => 'createdDate', 'direction' => 'DESC']);
            $methods = $ucrmApi->get('payment-methods');
            $methodMap = [];
            foreach ($methods as $m) $methodMap[$m['id']] = $m['name'];
            $formatted = array_slice($payments, 0, 10);
            foreach ($formatted as &$p) $p['methodName'] = $methodMap[$p['methodId']] ?? 'N/A';
            echo json_encode($formatted);
        } catch (\Exception $e) {
            echo json_encode([]);
        }
        exit;
    }

    if ($_GET['action'] === 'search_stripe') {
        $q = $_GET['q'] ?? '';
        echo json_encode($stripeService->searchClients($q));
        exit;
    }

    if ($_GET['action'] === 'get_stripe_details') {
        echo json_encode($stripeService->getClientDetails($_GET['id'] ?? null));
        exit;
    }

    if ($_GET['action'] === 'image' || $_GET['action'] === 'get_image') {
        // Image Handler
        if (ob_get_level()) ob_end_clean();
        $filename = basename($_GET['file'] ?? $_GET['name'] ?? '');
        $paths = [__DIR__ . '/img/' . $filename, __DIR__ . '/vouchers_oxxo/' . $filename];
        $finalPath = null;
        foreach ($paths as $p) {
            if (file_exists($p)) {
                $finalPath = $p;
                break;
            }
        }

        if ($finalPath) {
            $ext = strtolower(pathinfo($filename, PATHINFO_EXTENSION));
            $type = ($ext === 'png') ? 'image/png' : (($ext === 'webp') ? 'image/webp' : 'image/jpeg');
            header("Content-Type: $type");
            header("Content-Length: " . filesize($finalPath));
            readfile($finalPath);
        } else {
            http_response_code(404);
            echo "Not Found";
        }
        exit;
    }
}

// POST Actions for Intents
if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['action'])) {
    header('Content-Type: application/json');
    if ($_POST['action'] === 'create_intent') {
        $clientId = $_POST['clientId'] ?? null;
        $amount = $_POST['amount'] ?? 0;
        $stripeCustomerId = $_POST['stripeCustomerId'] ?? null;
        $adminId = $_POST['adminId'] ?? null;
        echo json_encode($stripeService->createPaymentIntent($clientId, $amount, $stripeCustomerId, $adminId));
        exit;
    }
    if ($_POST['action'] === 'create_oxxo_intent') {
        try {
            $builder = new \DI\ContainerBuilder();
            $container = $builder->build();
            $oxxoService = $container->get(\SmsNotifier\Facade\PluginOxxoNotifierFacade::class);
            if (ob_get_length()) ob_clean();
            $result = $oxxoService->createOxxoPaymentIntent(['client_id' => $_POST['clientId']], $_POST['amount'], false);
            if (ob_get_length()) ob_clean();
            echo json_encode(['success' => true, 'data' => $result]);
        } catch (\Exception $e) {
            echo json_encode(['success' => false, 'error' => $e->getMessage()]);
        }
        exit;
    }
}

$installersData = json_decode($config['installersDataWhatsApp'] ?? '{"instaladores":[]}', true);
?>
<!DOCTYPE html>
<html lang="es" data-theme="light">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>SIIP - Notificaciones y Pagos</title>
    <link href="https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;700&display=swap" rel="stylesheet">
    <style>
        :root {
            --primary: #2563eb;
            --primary-hover: #1d4ed8;
            --bg-body: #f8fafc;
            --bg-card: #ffffff;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --border: #e2e8f0;
            --danger: #ef4444;
            --success: #22c55e;
            --transition: all 0.3s ease;
            --primary-surface: rgba(37, 99, 235, 0.08);
            /* Re-added for standard consistency */
        }

        [data-theme="dark"] {
            --primary: #60a5fa;
            --primary-hover: #93c5fd;
            --bg-body: #0f172a;
            --bg-card: #1e293b;
            --text-main: #f1f5f9;
            --text-muted: #94a3b8;
            --border: #334155;
            --primary-surface: rgba(96, 165, 250, 0.15);
        }

        /* RESET BOX-SIZING */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        body {
            font-family: 'Outfit', sans-serif;
            background-color: var(--bg-body);
            color: var(--text-main);
            padding: 2rem;
            margin: 0;
            min-height: 100vh;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .container {
            max-width: 1400px;
            margin: 0 auto;
            flex: 1;
        }

        /* HEADER - Restored Layout */
        .header {
            background: var(--bg-card);
            padding: 2rem;
            border-radius: 16px;
            margin-bottom: 2rem;
            border: 1px solid var(--border);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        /* MENU DASHBOARD */
        .menu-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .menu-item {
            background-color: var(--bg-card);
            border-radius: 12px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
            padding: 25px;
            text-align: center;
            transition: var(--transition);
            cursor: pointer;
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            align-items: center;
            min-height: 250px;
        }

        .menu-item:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
        }

        .menu-item img {
            width: 120px;
            height: 120px;
            object-fit: contain;
            margin-bottom: 20px;
        }

        .menu-item h3 {
            margin: 0 0 10px 0;
            font-size: 1.6em;
        }

        .menu-item p {
            margin: 0;
            color: var(--text-muted);
        }

        /* MODULES & NEW SEARCH UI */
        .section-view {
            display: none;
        }

        .section-view.active {
            display: block;
        }

        /* TAB NAVIGATION SYSTEM */
        .tabs {
            display: flex;
            gap: 10px;
            padding: 1rem 0;
            border-bottom: 2px solid var(--border);
            margin-bottom: 2rem;
            flex-wrap: wrap;
            position: sticky;
            top: 0;
            background: var(--bg-body);
            z-index: 100;
        }

        .tab {
            padding: 12px 24px;
            border-radius: 8px 8px 0 0;
            text-decoration: none;
            color: var(--text-main);
            font-weight: 500;
            transition: all 0.3s ease;
            border: 2px solid transparent;
            white-space: nowrap;
            display: flex;
            align-items: center;
            cursor: pointer;
        }

        .tab:hover {
            background: var(--bg-card);
            border-color: var(--primary);
        }

        .tab.active {
            background: var(--primary);
            color: white;
            border-color: var(--primary);
        }


        .hidden {
            display: none !important;
        }

        .card {
            background: var(--bg-card);
            border-radius: 16px;
            padding: 2rem;
            border: 1px solid var(--border);
            margin-bottom: 2rem;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
        }

        /* SEARCH STYLES */
        .search-wrapper {
            position: relative;
            width: 100%;
        }

        .search-icon {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            width: 20px;
            height: 20px;
        }

        .search-input-padded {
            padding-left: 45px !important;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border-radius: 10px;
            border: 1px solid var(--border);
            background: var(--bg-body);
            color: var(--text-main);
            font-size: 1rem;
        }

        /* RICH SEARCH RESULTS */
        .search-results {
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 10px;
            margin-top: 5px;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
            z-index: 2000;
            display: none;
            max-height: 400px;
            overflow-y: auto;
        }

        .search-item {
            padding: 15px;
            border-bottom: 1px solid var(--border);
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }

        .search-item:hover {
            background: var(--bg-body);
        }

        .search-item:last-child {
            border-bottom: none;
        }

        .status-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            margin-top: 6px;
            flex-shrink: 0;
        }

        .status-dot.active {
            background-color: var(--success);
        }

        .status-dot.suspended {
            background-color: var(--danger);
            box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.2);
        }

        .client-info {
            flex: 1;
        }

        .client-header {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 4px;
        }

        .client-name {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-main);
        }

        .highlight {
            background-color: #fde047;
            color: black;
            padding: 0 2px;
            border-radius: 2px;
        }

        .badge-suspended {
            background-color: #fffbeb;
            color: #d97706;
            border: 1px solid #fcd34d;
            font-size: 0.7rem;
            padding: 2px 8px;
            border-radius: 4px;
            text-transform: uppercase;
            font-weight: 700;
        }

        .client-details {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.4;
        }

        /* BUTTONS & BADGES */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: 10px;
            border: none;
            font-weight: 600;
            cursor: pointer;
        }

        .btn-primary {
            background: var(--primary);
            color: white;
        }

        .btn-secondary {
            background: var(--bg-body);
            border: 1px solid var(--border);
            color: var(--text-main);
        }

        .btn-whatsapp {
            background-color: #25D366;
            color: white !important;
        }

        .badge {
            padding: 4px 12px;
            border-radius: 100px;
            font-size: 0.85rem;
            font-weight: 600;
        }

        /* THEME TOGGLE (Restored) */
        .theme-toggle {
            background: var(--bg-card);
            border: 1px solid var(--border);
            padding: 10px;
            border-radius: 10px;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* Modal & Tables */
        .modal-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            display: none;
            align-items: center;
            justify-content: center;
            z-index: 3000;
        }

        .modal {
            background: var(--bg-card);
            padding: 2rem;
            border-radius: 16px;
            width: 90%;
            max-width: 500px;
        }

        table {
            width: 100%;
            border-collapse: collapse;
        }

        th,
        td {
            padding: 12px;
            text-align: left;
            border-bottom: 1px solid var(--border);
        }

        /* Toast */
        #toast {
            position: fixed;
            bottom: 2rem;
            left: 50%;
            transform: translate(-50%, 150%);
            padding: 1rem 2rem;
            border-radius: 12px;
            background: #333;
            color: #fff;
            transition: transform 0.3s;
            z-index: 4000;
        }

        #toast.show {
            transform: translate(-50%, 0);
        }

        /* STRIPE MODULE REDESIGN */
        .client-header-grid {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid var(--border);
            margin-bottom: 1.5rem;
        }

        .client-info h3 {
            margin: 0 0 4px 0;
            font-size: 1.25rem;
        }

        .client-info p {
            margin: 0;
            font-size: 0.9rem;
        }

        .client-balance {
            text-align: right;
        }

        .client-balance .label {
            display: block;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 4px;
        }

        .client-balance .badge {
            font-size: 1.1rem;
            padding: 6px 16px;
        }

        .details-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
            margin-bottom: 2rem;
            background: var(--bg-body);
            padding: 1.5rem;
            border-radius: 12px;
            border: 1px solid var(--border);
        }

        .detail-item label {
            display: block;
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-bottom: 6px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            font-weight: 700;
        }

        .detail-item .value-box {
            font-family: 'Courier New', monospace;
            font-size: 1rem;
            color: var(--text-main);
            word-break: break-all;
            background: var(--bg-card);
            padding: 8px 12px;
            border-radius: 6px;
            border: 1px solid var(--border);
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin-bottom: 1.5rem;
        }

        @media (max-width: 768px) {
            .form-grid {
                grid-template-columns: 1fr;
            }
        }

        .form-group {
            margin-bottom: 0;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--text-main);
            font-size: 0.9rem;
        }

        .section-title {
            margin: 0 0 1.5rem 0;
            font-size: 1.1rem;
            color: var(--text-main);
            border-left: 4px solid var(--primary);
            padding-left: 12px;
        }

        .input-group {
            position: relative;
            display: flex;
            align-items: center;
        }

        .input-prefix {
            position: absolute;
            left: 12px;
            color: var(--text-muted);
            font-weight: 500;
            z-index: 10;
        }

        .input-with-prefix {
            padding-left: 35px !important;
        }

        .actions-row {
            display: flex;
            gap: 1rem;
            margin-top: 2rem;
            justify-content: flex-end;
        }

        .btn-lg {
            padding: 12px 24px;
            font-size: 1rem;
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--border);
            color: var(--text-main);
        }

        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
    </style>
</head>

<body>
    <div class="container">
        <!-- HEADER -->
        <div class="header">
            <div style="display: flex; align-items: center; gap: 15px;">
                <img src="?action=image&file=logo-empresa.png" style="width:80px; height:80px; object-fit: contain; border-radius: 12px; background: white; padding: 5px; border: 1px solid var(--border);">
                <div>
                    <!-- RESTORED HEADER TEXT -->
                    <h1 style="margin: 0; font-size: 24px;">Portal Administrativo de Pagos de STRIPE y Notificaciones WhatsApp</h1>
                    <p style="margin: 0; color: #666;">Administración de Notificaciones vía WhatsApp, Intenciones de pago con Stripe y Fichas de OXXO Pay</p>
                </div>
            </div>
            <div style="display: flex; gap: 10px; align-items: center;">
                <button class="btn btn-secondary hidden" id="btnBackToMenu" onclick="showDashboard()">
                    <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                        <path d="M3 9l9-7 9 7v11a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z" />
                        <polyline points="9 22 9 12 15 12 15 22" />
                    </svg>
                    Menú Principal
                </button>
                <!-- RESTORED THEME BUTTON -->
                <button class="theme-toggle" id="themeBtn" onclick="toggleTheme()">
                    <span class="theme-icon">☀️</span>
                    <span class="theme-text" id="themeText">Modo Oscuro</span>
                </button>
            </div>
        </div>

        <!-- MAIN MENU -->
        <div class="menu-container" id="mainDashboard">
            <div class="menu-item" onclick="showModule('installers')">
                <img src="?action=image&file=instalador.png">
                <h3>Instaladores</h3>
                <p>Administra los técnicos e instaladores registrados en el sistema.</p>
            </div>
            <div class="menu-item" onclick="showModule('notifications')">
                <img src="?action=image&file=whatsapp-logo.png">
                <h3>Notificaciones</h3>
                <p>Re-envía manualmente notificaciones de pago vía WhatsApp.</p>
            </div>
            <div class="menu-item" onclick="showModule('stripe')">
                <img src="?action=image&file=stripe-logo.png">
                <h3>Pagos SPEI</h3>
                <p>Genera referencias de Transferencia Bancaria personalizadas.</p>
            </div>
            <div class="menu-item" onclick="showModule('oxxo')">
                <img src="?action=image&file=oxxo-logo.png">
                <h3>Pagos OXXO</h3>
                <p>Genera fichas y códigos de barras para pago en tiendas OXXO.</p>
            </div>
        </div>

        <!-- MODULES -->
        <div id="moduleView" class="hidden">
            <!-- Tabs Navigation -->
            <nav class="tabs">
                <a href="#" class="tab active" onclick="switchTab('instaladores'); return false;">
                    <img src="?action=get_image&name=installers-management.png" style="width:24px;height:24px;vertical-align:middle;margin-right:8px;"> Instaladores
                </a>
                <a href="#" class="tab" onclick="switchTab('notificaciones'); return false;">
                    <img src="?action=get_image&name=whatsapp-notification.png" style="width:24px;height:24px;vertical-align:middle;margin-right:8px;"> Notificaciones
                </a>
                <a href="#" class="tab" onclick="switchTab('pagos-spei'); return false;">
                    <img src="?action=get_image&name=online-payments-stripe.png" style="width:24px;height:24px;vertical-align:middle;margin-right:8px;"> Pagos SPEI
                </a>
                <a href="#" class="tab" onclick="switchTab('pagos-oxxo'); return false;">
                    <img src="?action=get_image&name=oxxo-payments.png" style="width:24px;height:24px;vertical-align:middle;margin-right:8px;"> Pagos OXXO
                </a>
            </nav>

            <!-- MODULE 1: INSTALLERS -->
            <section id="section-instaladores" class="section-view active">
                <div class="card">
                    <div style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 2rem;">
                        <div>
                            <h2 style="margin: 0; display: flex; align-items: center; gap: 10px;">
                                <img src="?action=get_image&name=installers-management.png" style="width:64px;height:64px;"> Gestión de Instaladores
                            </h2>
                            <p style="color: var(--text-muted); margin: 5px 0 0 0;">👷 Administra tu equipo de técnicos y asigna instalaciones de manera eficiente</p>
                        </div>
                        <button class="btn btn-primary" onclick="openInstallerModal()">+ Nuevo Instalador</button>
                    </div>
                    <div style="overflow-x: auto;">
                        <table id="installersTable">
                            <thead>
                                <tr>
                                    <th>ID</th>
                                    <th>Nombre</th>
                                    <th>WhatsApp</th>
                                    <th>Acciones</th>
                                </tr>
                            </thead>
                            <tbody></tbody>
                        </table>
                    </div>
                </div>
            </section>

            <!-- MODULE 2: NOTIFICATIONS -->
            <section id="section-notificaciones" class="section-view">
                <div class="card">
                    <div style="margin-bottom: 1.5rem;">
                        <h2 style="margin: 0; display: flex; align-items: center; gap: 10px;">
                            <img src="?action=get_image&name=whatsapp-notification.png" style="width:64px;height:64px;"> Notificaciones WhatsApp
                        </h2>
                        <p style="color: var(--text-muted); margin: 5px 0 0 0;">📱 Busca clientes y envía comprobantes de pago directamente a su WhatsApp</p>
                    </div>
                    <div class="form-group" style="position: relative;">
                        <label>Buscar Cliente (Nombre, Email o ID)</label>
                        <div class="search-wrapper">
                            <svg class="search-icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                                <circle cx="11" cy="11" r="8" />
                                <line x1="21" y1="21" x2="16.65" y2="16.65" />
                            </svg>
                            <input type="text" id="clientSearch" class="form-control search-input-padded" placeholder="Escribe para buscar (ej. Juan Perez)..." autocomplete="off">
                        </div>
                        <div id="searchResults" class="search-results"></div>
                    </div>
                </div>

                <div id="paymentsContainer" class="card" style="display: none;">
                    <div style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; flex-wrap: wrap; gap: 10px;">
                        <h3 id="selectedClientName" style="margin: 0;">Pagos del Cliente</h3>
                        <div style="display: flex; gap: 8px;">
                            <a id="btnNotifCrm" href="#" target="_blank" class="btn btn-secondary" style="height: 38px;">Ver en CRM</a>
                            <button class="btn btn-secondary" onclick="refreshClientPayments()" style="height: 38px;">
                                <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                                    <path d="M23 4v6h-6" />
                                    <path d="M1 20v-6h6" />
                                    <path d="M3.51 9a9 9 0 0 1 14.85-3.36L23 10M1 14l4.64 4.36A9 9 0 0 0 20.49 15" />
                                </svg>
                                Refrescar Pagos
                            </button>
                        </div>
                    </div>
                    <div style="overflow-x: auto;">
                        <table id="paymentsTable">
                            <thead>
                                <tr>
                                    <th>ID</th>
                                    <th>Fecha</th>
                                    <th>Monto</th>
                                    <th>Método</th>
                                    <th>Acción</th>
                                </tr>
                            </thead>
                            <tbody></tbody>
                        </table>
                    </div>
                </div>
            </section>

            <!-- MODULE 3: STRIPE -->
            <section id="section-pagos-spei" class="section-view">
                <div class="card">
                    <div style="margin-bottom: 1.5rem;">
                        <h2 style="margin: 0; display: flex; align-items: center; gap: 10px;">
                            <img src="?action=get_image&name=online-payments-stripe.png" style="width:64px;height:64px;"> Pagos SPEI
                        </h2>
                        <p style="color: var(--text-muted); margin: 5px 0 0 0;">🏦 Genera referencias de transferencia bancaria para que tus clientes paguen vía SPEI</p>
                    </div>
                    <label>Buscar Cliente para Stripe</label>
                    <div class="search-wrapper">
                        <svg class="search-icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                            <circle cx="11" cy="11" r="8" />
                            <line x1="21" y1="21" x2="16.65" y2="16.65" />
                        </svg>
                        <input type="text" id="stripeSearch" class="form-control search-input-padded" placeholder="Buscar cliente..." autocomplete="off">
                        <div id="stripeResults" class="search-results"></div>
                    </div>
                </div>

                <div id="stripeDetailContainer" class="card" style="display: none;">
                    <!-- HEADER: CLIENT INFO & BALANCE -->
                    <div class="client-header-grid">
                        <div class="client-info">
                            <h3 id="stripeClientName">Nombre del Cliente</h3>
                            <p id="stripeClientIdDisplay" style="color: var(--text-muted);">ID: #0</p>
                        </div>
                        <div class="client-balance">
                            <span class="label">Saldo Actual</span>
                            <span class="badge" id="stripeBalanceBadge">$0.00</span>
                        </div>
                    </div>

                    <!-- TECHNICAL DETAILS GRID -->
                    <div class="details-grid">
                        <div class="detail-item">
                            <label>Stripe Customer ID</label>
                            <div class="value-box" id="stripeCustomerIdDisplay">-</div>
                        </div>
                        <div class="detail-item">
                            <label>Clabe Interbancaria</label>
                            <div class="value-box" id="stripeClabeDisplay">-</div>
                        </div>
                    </div>

                    <!-- PAYMENT INTENT FORM -->
                    <div>
                        <h4 class="section-title">Generar Intención de Pago</h4>

                        <div class="form-grid">
                            <div class="form-group">
                                <label>Monto a Cobrar</label>
                                <div class="input-group">
                                    <span class="input-prefix">$</span>
                                    <input type="number" id="stripeAmount" class="form-control input-with-prefix" placeholder="0.00">
                                </div>
                            </div>

                            <div class="form-group">
                                <label>Asignar a Administrador</label>
                                <select id="stripeAdminSelect" class="form-control">
                                    <option value="">-- Automático (Sistema) --</option>
                                    <?php foreach ($admins as $admin): echo "<option value='{$admin['id']}'>{$admin['nombre']}</option>";
                                    endforeach; ?>
                                </select>
                            </div>
                        </div>

                        <div class="actions-row">
                            <a id="btnVerEnCrm" href="#" target="_blank" class="btn btn-secondary btn-lg">
                                <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                                    <path d="M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6"></path>
                                    <polyline points="15 3 21 3 21 9"></polyline>
                                    <line x1="10" y1="14" x2="21" y2="3"></line>
                                </svg>
                                Ver en CRM
                            </a>
                            <button id="btnCreateIntent" class="btn btn-primary btn-lg">
                                <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                                    <rect x="1" y="4" width="22" height="16" rx="2" ry="2"></rect>
                                    <line x1="1" y1="10" x2="23" y2="10"></line>
                                </svg>
                                Generar Referencia SPEI
                            </button>
                        </div>
                    </div>
                </div>
            </section>

            <!-- MODULE 4: OXXO -->
            <section id="section-pagos-oxxo" class="section-view">
                <div class="card">
                    <div style="margin-bottom: 1.5rem;">
                        <h2 style="margin: 0; display: flex; align-items: center; gap: 10px;">
                            <img src="?action=get_image&name=oxxo-payments.png" style="width:64px;height:64px;"> Pagos OXXO
                        </h2>
                        <p style="color: var(--text-muted); margin: 5px 0 0 0;">🏪 Genera fichas de pago OXXO para que tus clientes paguen en tiendas de conveniencia</p>
                    </div>
                    <label>Buscar Cliente para OXXO</label>
                    <div class="search-wrapper">
                        <svg class="search-icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                            <circle cx="11" cy="11" r="8" />
                            <line x1="21" y1="21" x2="16.65" y2="16.65" />
                        </svg>
                        <input type="text" id="oxxoSearch" class="form-control search-input-padded" placeholder="Buscar cliente..." autocomplete="off">
                        <div id="oxxoResults" class="search-results"></div>
                    </div>
                </div>

                <div id="oxxoDetailContainer" class="card" style="display: none;">
                    <div style="display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 1.5rem;">
                        <div>
                            <h3 id="oxxoClientName">Nombre</h3>
                            <p id="oxxoClientIdDisplay" style="color: var(--text-muted);">ID: #0</p>
                        </div>
                        <div style="text-align: right; display: flex; flex-direction: column; align-items: flex-end; gap: 8px;">
                            <span class="badge" id="oxxoBalanceBadge" style="background: #fee2e2; color: #ef4444;">Saldo: $0.00</span>
                            <a id="btnOxxoCrm" href="#" target="_blank" class="btn btn-secondary" style="padding: 5px 12px; font-size: 0.8rem;">Ver en CRM</a>
                        </div>
                    </div>

                    <div style="max-width: 400px;">
                        <input type="number" id="oxxoAmount" class="form-control" placeholder="Monto (MXN)" style="margin-bottom: 1rem;">
                        <button id="btnCreateOxxoIntent" class="btn btn-secondary" style="width: 100%; border-color: #ef4444; color: #ef4444;">
                            <img src="?action=image&file=oxxo-logo.png" style="height: 20px;"> Generar Ficha OXXO Pay
                        </button>
                    </div>
                    <div id="oxxoInlineResult" style="margin-top: 1.5rem; display: none;"></div>
                </div>
            </section>
        </div>
    </div>

    <!-- FOOTER -->
    <footer style="
        margin-top: 80px;
        padding: 20px;
        text-align: center;
        border-top: 2px solid var(--primary);
        box-shadow: 0 -2px 10px rgba(0,0,0,0.05);
        background: var(--bg-card);
        border-radius: 12px 12px 0 0;
    ">
        <p style="margin: 0; font-size: 0.9rem; color: var(--text-main);">
            Plugin Desarrollado por <strong>SIIP INTERNET</strong> - Todos los derechos reservados.
        </p>
        <p style="margin: 5px 0 0 0; font-size: 0.85rem; color: var(--text-muted);">
            © <?php echo date('Y'); ?> SIIP Internet. Versión 4.2.1
        </p>
    </footer>

    <!-- MODAL INSTALLER -->
    <div class="modal-overlay" id="modalOverlay">
        <div class="modal">
            <h2 id="modalTitle">Registro de Instalador</h2>
            <form id="installerForm">
                <input type="hidden" id="editIndex">
                <div class="form-group" id="adminSelectGroup">
                    <label>Seleccionar Administrador UCRM</label>
                    <select id="adminSelect" class="form-control" onchange="fillInstallerData(this)">
                        <option value="">-- Seleccionar --</option>
                        <?php foreach ($admins as $admin): echo "<option value='{$admin['id']}' data-name='{$admin['nombre']}'>{$admin['nombre']}</option>";
                        endforeach; ?>
                    </select>
                </div>
                <input type="number" id="installerId" class="form-control" readonly style="margin: 10px 0" placeholder="ID Usuario">
                <input type="text" id="installerName" class="form-control" readonly style="margin: 10px 0" placeholder="Nombre">
                <input type="text" id="installerWhatsApp" class="form-control" required style="margin: 10px 0" placeholder="WhatsApp (52...)">
                <div style="display:flex; justify-content:flex-end; gap:10px; margin-top:20px;">
                    <button type="button" class="btn btn-secondary" onclick="document.getElementById('modalOverlay').style.display='none'">Cancelar</button>
                    <button type="submit" class="btn btn-primary">Guardar</button>
                </div>
            </form>
        </div>
    </div>

    <!-- STRIPE RESULT MODAL -->
    <div id="stripeResultModal" class="modal-overlay" style="z-index: 3500;">
        <div class="modal">
            <h2>Referencia Generada</h2>
            <div id="stripeResultContent"></div>
            <div style="text-align: right; margin-top: 20px;">
                <button class="btn btn-primary" onclick="document.getElementById('stripeResultModal').style.display='none'">Cerrar</button>
            </div>
        </div>
    </div>

    <div id="toast"></div>

    <script>
        const store = {
            installers: <?php echo json_encode($installersData['instaladores']); ?>,
            theme: localStorage.getItem('theme') || 'light',
            installers: <?php echo json_encode($installersData['instaladores']); ?>,
            theme: localStorage.getItem('theme') || 'light',
            crmUrl: '<?php echo $ucrmApiUrl; ?>',
            publicUrl: '<?php echo $ucrmPublicUrl; ?>',
            defaultStripeAdminId: '<?php echo $defaultStripeAdminId; ?>'
        };
        let currentClientId = null;

        // --- THEME LOGIC (Restored) ---
        function toggleTheme() {
            const next = store.theme === 'light' ? 'dark' : 'light';
            store.theme = next;
            document.documentElement.setAttribute('data-theme', next);
            localStorage.setItem('theme', next);
            updateThemeBtn();
        }

        function updateThemeBtn() {
            const btn = document.getElementById('themeBtn');
            const text = document.getElementById('themeText');
            if (store.theme === 'dark') {
                btn.querySelector('.theme-icon').textContent = '🌙';
                text.textContent = 'Modo Claro';
            } else {
                btn.querySelector('.theme-icon').textContent = '☀️';
                text.textContent = 'Modo Oscuro';
            }
        }
        document.documentElement.setAttribute('data-theme', store.theme);
        updateThemeBtn();

        function showDashboard() {
            document.getElementById('mainDashboard').style.display = 'grid';
            document.getElementById('moduleView').classList.add('hidden');
            document.getElementById('btnBackToMenu').classList.add('hidden');
        }

        function showModule(id) {
            document.getElementById('mainDashboard').style.display = 'none';
            document.getElementById('moduleView').classList.remove('hidden');
            document.getElementById('btnBackToMenu').classList.remove('hidden');

            // Map old module IDs to new tab names (support both English and Spanish IDs)
            const moduleMap = {
                // Spanish IDs
                'instaladores': 'instaladores',
                'notificaciones': 'notificaciones',
                'stripe': 'pagos-spei',
                'oxxo': 'pagos-oxxo',
                // English IDs (from dashboard menu)
                'installers': 'instaladores',
                'notifications': 'notificaciones'
            };

            const tabName = moduleMap[id] || 'instaladores';
            switchTab(tabName);
        }

        function switchTab(tabName) {
            // Update tabs visual state
            document.querySelectorAll('.tab').forEach(tab => tab.classList.remove('active'));

            // Find and activate the clicked tab
            const targetTab = Array.from(document.querySelectorAll('.tab')).find(tab => {
                return tab.getAttribute('onclick').includes(`'${tabName}'`);
            });
            if (targetTab) {
                targetTab.classList.add('active');
            }

            // Update sections visibility
            document.querySelectorAll('.section-view').forEach(section => section.classList.remove('active'));
            const targetSection = document.getElementById(`section-${tabName}`);
            if (targetSection) {
                targetSection.classList.add('active');
            }

            // Initialize module if needed
            if (tabName === 'notificaciones' && !window.notificacionesInitialized) {
                // Load clients for notifications module
                loadClients();
                window.notificacionesInitialized = true;
            }
        }

        function showToast(msg, err = false) {
            const t = document.getElementById('toast');
            t.textContent = msg;
            t.style.background = err ? '#ef4444' : '#333';
            t.classList.add('show');
            setTimeout(() => t.classList.remove('show'), 3000);
        }

        // --- SEARCH LOGIC (UNIFIED) ---
        function highlightMatch(text, query) {
            if (!query) return text;
            const regex = new RegExp(`(${query})`, 'gi');
            return text.replace(regex, '<span class="highlight">$1</span>');
        }

        function renderRichSearchResults(container, data, query, callback) {
            container.innerHTML = '';

            // Error Handling Display
            if (data.error) {
                container.innerHTML = `<div class="search-item" style="color:red">Error: ${data.error}</div>`;
                container.style.display = 'block';
                return;
            }

            if (!Array.isArray(data) || data.length === 0) {
                container.innerHTML = '<div class="search-item">No se encontraron resultados</div>';
                container.style.display = 'block';
                return;
            }

            // Limit results to 8 for performance
            data.slice(0, 8).forEach(client => {
                const isSuspended = client.isSuspended || false;
                const name = client.clientType === 2 ? client.companyName : `${client.firstName} ${client.lastName}`;
                const address = client.fullAddress || client.street1 || (client.city ? `(${client.city})` : '');

                let email = client.email || '';
                let phone = '';
                if (client.contacts && Array.isArray(client.contacts) && client.contacts.length > 0) {
                    email = client.contacts[0].email || email;
                    phone = client.contacts[0].phone || '';
                }

                const item = document.createElement('div');
                item.className = 'search-item';
                item.innerHTML = `
                    <div class="status-dot ${isSuspended ? 'suspended' : 'active'}"></div>
                    <div class="client-info">
                        <div class="client-header">
                            <span class="client-name">${highlightMatch(name, query)}</span>
                            ${isSuspended ? '<span class="badge-suspended">SUSPENDIDO</span>' : ''}
                        </div>
                        <div class="client-details">
                            ID: ${client.id} · ${email} ${phone ? '· '+phone : ''} <br>
                            ${address}
                        </div>
                    </div>
                `;
                item.onclick = () => {
                    container.style.display = 'none';
                    callback(client);
                };
                container.appendChild(item);
            });
            container.style.display = 'block';
        }

        function setupSearch(inputId, resultId, action, onSelect) {
            console.log(`[DEBUG] setupSearch initialized for ${inputId}`);
            const input = document.getElementById(inputId);
            const results = document.getElementById(resultId);
            let timeout;

            if (!input) console.error(`[DEBUG] Input ${inputId} NOT FOUND`);
            if (!results) console.error(`[DEBUG] Results ${resultId} NOT FOUND`);

            input.oninput = (e) => {
                const q = e.target.value.trim();
                console.log(`[DEBUG] oninput: '${q}'`);
                clearTimeout(timeout);
                if (q.length < 2) {
                    results.style.display = 'none';
                    return;
                }

                timeout = setTimeout(async () => {
                    console.log(`[DEBUG] Fetching ${action} with q=${q}`);
                    try {
                        const res = await fetch(`?action=${action}&q=${encodeURIComponent(q)}`);
                        console.log(`[DEBUG] Response Status: ${res.status}`);
                        if (!res.ok) throw new Error(`Server Error: ${res.status}`);
                        const data = await res.json();
                        console.log(`[DEBUG] Data Received:`, data);
                        renderRichSearchResults(results, data, q, (client) => {
                            input.value = '';
                            onSelect(client);
                        });
                    } catch (e) {
                        console.error('[DEBUG] Fetch Error:', e);
                        renderRichSearchResults(results, {
                            error: e.message
                        }, q, null);
                    }
                }, 300);
            };


            document.addEventListener('click', e => {
                if (!input.contains(e.target) && !results.contains(e.target)) results.style.display = 'none';
            });
        }

        // 1. NOTIFICATIONS SEARCH
        setupSearch('clientSearch', 'searchResults', 'search_clients', (client) => {
            currentClientId = client.id;
            const name = client.clientType === 2 ? client.companyName : `${client.firstName} ${client.lastName}`;
            document.getElementById('selectedClientName').textContent = `Pagos de ${name}`;
            document.getElementById('btnNotifCrm').href = `${store.publicUrl}/client/${client.id}`;
            document.getElementById('paymentsContainer').style.display = 'block';
            loadPayments(client.id);
        });

        async function loadPayments(id) {
            const tbody = document.querySelector('#paymentsTable tbody');
            tbody.innerHTML = '<tr><td colspan="5" style="text-align:center">Cargando...</td></tr>';
            try {
                const res = await fetch(`?action=get_payments&clientId=${id}`);
                const payments = await res.json();
                if (payments.length === 0) tbody.innerHTML = '<tr><td colspan="5" style="text-align:center">Sin pagos recientes</td></tr>';
                else {
                    tbody.innerHTML = payments.map(p => `
                        <tr>
                            <td>#${p.id}</td>
                            <td>${new Date(p.createdDate).toLocaleString()}</td>
                            <td>$${p.amount} ${p.currencyCode}</td>
                            <td>${p.methodName}</td>
                            <td><button class="btn btn-whatsapp" onclick="resendPayment(${p.id})">Re-enviar</button></td>
                        </tr>
                    `).join('');
                }
            } catch (e) {
                tbody.innerHTML = '<tr><td colspan="5">Error</td></tr>';
            }
        }

        function refreshClientPayments() {
            if (currentClientId) loadPayments(currentClientId);
            else showToast("Busca un cliente primero", true);
        }

        async function resendPayment(id) {
            if (!confirm('¿Re-enviar notificación?')) return;
            const fd = new FormData();
            fd.append('action', 'resend_payment');
            fd.append('paymentId', id);
            const res = await fetch('?', {
                method: 'POST',
                body: fd
            });
            const d = await res.json();
            showToast(d.message, !d.success);
        }

        // 2. STRIPE SEARCH
        let selectedStripeClient = null;
        setupSearch('stripeSearch', 'stripeResults', 'search_stripe', async (partialClient) => {
            const res = await fetch(`?action=get_stripe_details&id=${partialClient.id}`);
            const data = await res.json();
            selectedStripeClient = data;

            document.getElementById('stripeClientName').textContent = data.fullName;
            document.getElementById('stripeClientIdDisplay').textContent = `ID: #${data.id}`;
            document.getElementById('stripeBalanceBadge').textContent = `Saldo: $${parseFloat(data.accountOutstanding||0).toFixed(2)}`;
            document.getElementById('stripeCustomerIdDisplay').textContent = data.stripeCustomerId || 'No disponible';
            document.getElementById('stripeClabeDisplay').textContent = data.clabeInterbancaria || 'No disponible';
            document.getElementById('stripeAmount').value = data.accountOutstanding > 0 ? data.accountOutstanding : '';
            document.getElementById('btnVerEnCrm').href = `${store.publicUrl}/client/${data.id}`;
            document.getElementById('stripeDetailContainer').style.display = 'block';
        });

        document.getElementById('btnCreateIntent').onclick = async () => {
            if (!selectedStripeClient?.stripeCustomerId) return showToast('Error: Cliente sin Stripe ID', true);
            const amt = parseFloat(document.getElementById('stripeAmount').value);
            if (!amt || amt < 10) return showToast('Mínimo 10 MXN', true);

            const btn = document.getElementById('btnCreateIntent');
            btn.disabled = true;
            btn.textContent = 'Procesando...';

            const fd = new FormData();
            fd.append('action', 'create_intent');
            fd.append('clientId', selectedStripeClient.id);
            fd.append('amount', amt);
            fd.append('stripeCustomerId', selectedStripeClient.stripeCustomerId);
            fd.append('adminId', document.getElementById('stripeAdminSelect').value || store.defaultStripeAdminId);

            try {
                const res = await fetch('?', {
                    method: 'POST',
                    body: fd
                });
                const d = await res.json();
                if (d.success) showStripeResult(d);
                else showToast(d.error, true);
            } catch (e) {
                showToast('Error de conexión', true);
            }
            btn.disabled = false;
            btn.textContent = 'Generar Referencia SPEI';
        };

        function showStripeResult(data) {
            const c = document.getElementById('stripeResultContent');
            c.innerHTML = `<h3 style="color:var(--success);text-align:center">¡Referencia Creada!</h3><p style="text-align:center">Monto: $${data.amount}</p>`;
            if (data.next_action?.display_bank_transfer_instructions) {
                const i = data.next_action.display_bank_transfer_instructions.financial_addresses[0].spei;
                c.innerHTML += `<div style="background:#f1f5f9;padding:15px;border-radius:8px;margin-top:10px"><p><strong>Banco:</strong> ${i.bank_name}</p><p><strong>CLABE:</strong> ${i.clabe}</p></div>`;
            }
            document.getElementById('stripeResultModal').style.display = 'flex';
        }

        // 3. OXXO SEARCH
        let selectedOxxoClient = null;
        setupSearch('oxxoSearch', 'oxxoResults', 'search_stripe', async (partialClient) => {
            const res = await fetch(`?action=get_stripe_details&id=${partialClient.id}`);
            const data = await res.json();
            selectedOxxoClient = data;

            document.getElementById('oxxoClientName').textContent = data.fullName;
            document.getElementById('oxxoClientIdDisplay').textContent = `ID: #${data.id}`;
            document.getElementById('oxxoBalanceBadge').textContent = `Saldo: $${parseFloat(data.accountOutstanding||0).toFixed(2)}`;
            document.getElementById('oxxoAmount').value = data.accountOutstanding > 0 ? data.accountOutstanding : '';
            document.getElementById('btnOxxoCrm').href = `${store.publicUrl}/client/${data.id}`;
            document.getElementById('oxxoDetailContainer').style.display = 'block';
        });

        document.getElementById('btnCreateOxxoIntent').onclick = async () => {
            if (!selectedOxxoClient) return;
            const amt = parseFloat(document.getElementById('oxxoAmount').value);
            if (!amt || amt < 10) return showToast('Mínimo 10 MXN', true);

            const btn = document.getElementById('btnCreateOxxoIntent');
            const original = btn.innerHTML;
            btn.disabled = true;
            btn.textContent = 'Procesando...';

            const fd = new FormData();
            fd.append('action', 'create_oxxo_intent');
            fd.append('clientId', selectedOxxoClient.id);
            fd.append('amount', amt);

            try {
                const res = await fetch('?', {
                    method: 'POST',
                    body: fd
                });
                const d = await res.json();
                if (d.success) {
                    const url = d.data.voucher_image_url || `?action=image&file=${d.data.voucher_filename}`;
                    const resDiv = document.getElementById('oxxoInlineResult');
                    resDiv.style.display = 'block';
                    resDiv.innerHTML = `<div class="card" style="text-align:center;border:1px solid #22c55e;"><h3 style="color:#15803d">¡Ficha Generada!</h3><p style="font-size:1.5rem;font-weight:bold">${d.data.oxxo_reference}</p><img src="${url}" style="max-width:100%; height:auto; margin:10px 0; border:1px solid #eee; border-radius:8px;"><br><a href="${url}" target="_blank" class="btn btn-primary">Descargar Ficha</a></div>`;
                } else showToast(d.error, true);
            } catch (e) {
                showToast('Error conexión', true);
            }
            btn.disabled = false;
            btn.innerHTML = original;
        };

        // --- INSTALLER MODAL LOGIC ---
        function renderTable() {
            const tbody = document.querySelector('#installersTable tbody');
            tbody.innerHTML = store.installers.map((inst, i) => `<tr><td>#${inst.id}</td><td>${inst.nombre}</td><td>${inst.whatsapp}</td><td><button class="btn btn-secondary" onclick="editInstaller(${i})">✎</button> <button class="btn btn-secondary" style="color:red" onclick="deleteInstaller(${i})">🗑</button></td></tr>`).join('');
        }
        renderTable();

        function openInstallerModal() {
            document.getElementById('modalOverlay').style.display = 'flex';
            document.getElementById('installerForm').reset();
            document.getElementById('editIndex').value = '';
        }

        function fillInstallerData(sel) {
            document.getElementById('installerId').value = sel.value;
            document.getElementById('installerName').value = sel.options[sel.selectedIndex].getAttribute('data-name');
        }
        document.getElementById('installerForm').onsubmit = async (e) => {
            e.preventDefault();
            const id = document.getElementById('installerId').value;
            const name = document.getElementById('installerName').value;
            const wa = document.getElementById('installerWhatsApp').value;
            const idx = document.getElementById('editIndex').value;
            if (idx !== '') store.installers[idx] = {
                id,
                nombre: name,
                whatsapp: wa
            };
            else store.installers.push({
                id,
                nombre: name,
                whatsapp: wa
            });

            const fd = new FormData();
            fd.append('action', 'save_installers');
            fd.append('installers_data', JSON.stringify({
                instaladores: store.installers
            }));
            await fetch('?action=save_installers', {
                method: 'POST',
                body: fd
            });
            renderTable();
            document.getElementById('modalOverlay').style.display = 'none';
        };
    </script>
</body>

</html>