<?php
session_start();
require_once 'config.php';

$pdo = getConexaoInterna();

// --- PROTEÇÃO GERAL (Admin e Revenda) ---
if (!isset($_SESSION['user_id'])) {
    die("Acesso negado. Por favor, faça login no painel.");
}

$id_usuario = $_SESSION['user_id'];
$nome_usuario = $_SESSION['username'] ?? 'Usuário';
$role = $_SESSION['user_role'] ?? 'revenda';
$is_admin = ($role === 'admin'); // Verifica se é o chefão

// --- INÍCIO: BUSCA DE PERSONALIZAÇÃO DINÂMICA ---
$nome_painel = 'TOP IPTV';
$logo_url = '';
$cor_primaria = '#007bff';

try {
    $tabela_existe = $pdo->query("SHOW TABLES LIKE 'painel_config'")->rowCount() > 0;
    if ($tabela_existe) {
        $config_painel = $pdo->query("SELECT * FROM painel_config LIMIT 1")->fetch(PDO::FETCH_ASSOC);
        if ($config_painel) {
            $nome_painel = !empty($config_painel['nome_painel']) ? $config_painel['nome_painel'] : $nome_painel;
            $logo_url = !empty($config_painel['logo_url']) ? $config_painel['logo_url'] : $logo_url;
            $cor_primaria = !empty($config_painel['cor_primaria']) ? $config_painel['cor_primaria'] : $cor_primaria;
        }
    }
} catch (Exception $e) { }

$api_conf = ['api_binstream_url' => ''];
try {
    $api_conf = $pdo->query("SELECT api_binstream_url FROM painel_config LIMIT 1")->fetch(PDO::FETCH_ASSOC) ?: ['api_binstream_url' => ''];
} catch (Exception $e) {}

// Busca saldo
try {
    $pdo_ext = getConexaoAtiva();
    $user_credits = $pdo_ext->query("SELECT credits FROM reg_users WHERE id = " . intval($id_usuario))->fetchColumn() ?: 0;
} catch (Exception $e) { $user_credits = 0; }
// --- FIM: BUSCA DE PERSONALIZAÇÃO DINÂMICA ---

// =========================================================================
// BANCO DE DADOS: TABELAS DO WATCHDOG
// =========================================================================
try {
    $pdo->exec("CREATE TABLE IF NOT EXISTS `watchdog_config` (
        `id` int(11) PRIMARY KEY,
        `status` tinyint(1) DEFAULT 1,
        `chave_seguranca` varchar(100) DEFAULT 'top_iptv_123'
    )");
    
    if ($pdo->query("SELECT COUNT(*) FROM watchdog_config")->fetchColumn() == 0) {
        $chave = substr(md5(time()), 0, 15);
        $pdo->exec("INSERT INTO watchdog_config (id, status, chave_seguranca) VALUES (1, 1, '$chave')");
    }

    $pdo->exec("CREATE TABLE IF NOT EXISTS `watchdog_logs` (
        `id` int(11) AUTO_INCREMENT PRIMARY KEY,
        `ip_servidor` varchar(50),
        `acao` varchar(255),
        `data_hora` timestamp DEFAULT CURRENT_TIMESTAMP
    )");
} catch (Exception $e) {}

$mensagem_status = "";

// SALVAR CONFIGURAÇÕES
if (isset($_POST['action_save_watchdog'])) {
    $status = isset($_POST['wd_status']) ? 1 : 0;
    $chave = trim($_POST['wd_chave']);
    
    $pdo->prepare("UPDATE watchdog_config SET status = ?, chave_seguranca = ? WHERE id = 1")
        ->execute([$status, $chave]);
    $mensagem_status = "<div class='alert success'><i class='fas fa-check-circle'></i> Configurações do Watchdog salvas!</div>";
}

$conf = $pdo->query("SELECT * FROM watchdog_config WHERE id = 1")->fetch(PDO::FETCH_ASSOC);
$logs = $pdo->query("SELECT * FROM watchdog_logs ORDER BY id DESC LIMIT 50")->fetchAll(PDO::FETCH_ASSOC);

// Busca os Load Balancers
$servidores = [];
try {
    $servidores = $pdo->query("SELECT * FROM servidores_lb ORDER BY id DESC")->fetchAll(PDO::FETCH_ASSOC);
} catch(Exception $e){}

// Variáveis para o tutorial
$caminho_cpanel = "/usr/local/bin/php -q /home/geandrober/public_html/xtreamui/watchdog_cron.php";
$caminho_vps = "*/5 * * * * /usr/bin/php /var/www/html/xtreamui/watchdog_cron.php";
?>

<!DOCTYPE html>
<html lang="pt-BR">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
    <title>Watchdog - <?php echo htmlspecialchars($nome_painel); ?></title>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
    <style>
        :root { --bg-dark: #121519; --bg-sidebar: #1e2227; --bg-card: #272c33; --text-main: #d1d5da; --text-muted: #8a94a1; --accent: <?php echo $cor_primaria; ?>; --border-color: #3a4149; --success: #28a745; --danger: #dc3545; --warning: #f39c12; }
        body { margin: 0; font-family: 'Segoe UI', sans-serif; background-color: var(--bg-dark); color: var(--text-main); display: flex; height: 100vh; overflow: hidden; }
        
        .sidebar { width: 260px; background-color: var(--bg-sidebar); display: flex; flex-direction: column; transition: 0.3s; border-right: 1px solid var(--border-color); z-index: 1001; flex-shrink: 0; }
        .sidebar-header { padding: 25px 20px; text-align: center; font-size: 22px; font-weight: bold; color: white; border-bottom: 1px solid var(--border-color); }
        .sidebar-logo { max-width: 180px; max-height: 55px; object-fit: contain; }
        .user-info { padding: 20px; text-align: center; border-bottom: 1px solid var(--border-color); }
        .user-info .badge { background: rgba(255, 255, 255, 0.05); color: var(--accent); padding: 4px 10px; border-radius: 4px; font-size: 11px; text-transform: uppercase; font-weight: bold; margin-top: 5px; display: inline-block; }
        .credits-badge { display: block; margin-top: 10px; color: var(--success); font-weight: bold; font-size: 13px; }
        
        .menu-list { list-style: none; padding: 0; margin: 0; overflow-y: auto; flex: 1; }
        .menu-item { padding: 14px 20px; color: var(--text-main); text-decoration: none; display: flex; align-items: center; transition: 0.2s; border-left: 3px solid transparent; font-size: 14px; cursor: pointer; }
        .menu-item i:first-child { margin-right: 12px; width: 20px; text-align: center; color: var(--text-muted); }
        .menu-item:hover, .menu-item.active { background-color: #2c3138; color: white; border-left-color: var(--accent); }
        .menu-item.active i:first-child { color: var(--accent); }
        
        .submenu { display: none; background: #16191d; list-style: none; padding: 0; margin: 0; }
        .submenu .menu-item { padding-left: 52px; font-size: 13px; border-left: none; }
        .arrow-icon { margin-left: auto; transition: 0.3s; font-size: 11px; }
        .rotate { transform: rotate(180deg); }
        .menu-category { padding: 20px 20px 8px; font-size: 10px; text-transform: uppercase; color: var(--text-muted); font-weight: bold; letter-spacing: 1px; }
        .logout-btn { padding: 15px; background-color: #dc3545; color: white; text-align: center; text-decoration: none; font-weight: bold; }

        .main-content { flex: 1; display: flex; flex-direction: column; overflow-y: auto; width: 100%; position: relative; }
        .topbar { display: flex; justify-content: flex-start; align-items: center; padding: 15px 20px; background-color: var(--bg-sidebar); border-bottom: 1px solid var(--border-color); gap: 15px; }
        .menu-toggle { display: none; background: none; border: none; color: white; font-size: 22px; cursor: pointer; padding: 5px; }
        .sidebar-overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.7); z-index: 1000; }
        .content-area { padding: 25px; flex: 1; max-width: 1000px; margin: 0 auto; width: 100%; box-sizing: border-box; }

        .card { background: var(--bg-card); border-radius: 12px; border: 1px solid var(--border-color); padding: 25px; margin-bottom: 25px; box-shadow: 0 4px 15px rgba(0,0,0,0.1); }
        .card h3 { margin-top: 0; color: white; border-bottom: 1px solid var(--border-color); padding-bottom: 15px; display: flex; align-items: center; gap: 10px;}
        
        .form-group { margin-bottom: 20px; }
        label { display: block; margin-bottom: 8px; font-size: 13px; font-weight: bold; color: var(--text-muted); }
        input[type="text"] { width: 100%; padding: 12px; background: #121519; border: 1px solid var(--border-color); color: white; border-radius: 8px; box-sizing: border-box; font-size: 14px;}
        input[type="text"]:focus { border-color: var(--accent); outline: none; }
        
        .btn-save { background: var(--accent); color: white; border: none; padding: 15px; border-radius: 8px; cursor: pointer; font-weight: bold; width: 100%; margin-top: 10px; font-size: 15px; transition: 0.2s;}
        .btn-save:hover { filter: brightness(1.1); }
        
        .btn-tutorial { background: #8b5cf6; color: white; border: none; padding: 12px; border-radius: 8px; cursor: pointer; font-weight: bold; width: 100%; margin-top: 15px; font-size: 14px; transition: 0.2s; display: flex; justify-content: center; align-items: center; gap: 8px;}
        .btn-tutorial:hover { background: #7c3aed; }
        
        .alert { padding: 15px; border-radius: 8px; margin-bottom: 20px; font-weight: bold; }
        .alert.success { background: rgba(40, 167, 69, 0.15); border: 1px solid var(--success); color: var(--success); }
        
        .switch { position: relative; display: inline-block; width: 50px; height: 26px; }
        .switch input { opacity: 0; width: 0; height: 0; }
        .slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: #3a4149; transition: .3s; border-radius: 34px; }
        .slider:before { position: absolute; content: ""; height: 18px; width: 18px; left: 4px; bottom: 4px; background-color: white; transition: .3s; border-radius: 50%; }
        input:checked + .slider { background-color: var(--success); }
        input:checked + .slider:before { transform: translateX(24px); }

        .table-responsive { overflow-x: auto; width: 100%; }
        table { width: 100%; border-collapse: collapse; margin-top: 15px; font-size: 13px; min-width: 600px;}
        th, td { text-align: left; padding: 12px; border-bottom: 1px solid var(--border-color); }
        th { color: var(--text-muted); text-transform: uppercase; font-size: 11px; font-weight: bold;}
        td { color: var(--text-main); }
        .status-dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 5px; }
        .dot-on { background-color: var(--success); box-shadow: 0 0 8px var(--success); }
        .dot-off { background-color: var(--danger); box-shadow: 0 0 8px var(--danger); }

        /* MODAL TUTORIAL */
        .modal-overlay-tutorial { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.8); z-index: 2000; justify-content: center; align-items: center; backdrop-filter: blur(5px); }
        .modal-box { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 15px; padding: 30px; width: 90%; max-width: 650px; position: relative; box-shadow: 0 20px 40px rgba(0,0,0,0.5); }
        .modal-close { position: absolute; top: 15px; right: 20px; background: none; border: none; color: var(--text-muted); font-size: 24px; cursor: pointer; }
        .modal-close:hover { color: var(--danger); }
        .tutorial-content { text-align: left; color: var(--text-main); font-size: 14px; line-height: 1.6; max-height: 60vh; overflow-y: auto; padding-right: 10px; }
        .tutorial-content h4 { color: var(--accent); margin-top: 15px; margin-bottom: 10px; border-bottom: 1px solid var(--border-color); padding-bottom: 10px; font-size: 16px; display: flex; align-items: center; gap: 8px;}
        .tutorial-content ol { padding-left: 20px; margin: 0; }
        .tutorial-content li { margin-bottom: 12px; }
        .tutorial-content strong { color: white; }
        
        .copy-group { display: flex; gap: 8px; margin-top: 10px; margin-bottom: 20px;}
        .copy-group input { flex: 1; background: #121519; border: 1px solid var(--border-color); color: var(--text-main); padding: 10px; border-radius: 6px; font-size: 12px; outline: none; font-family: monospace;}
        .copy-group button { background: var(--accent); color: white; border: none; padding: 10px 15px; border-radius: 6px; cursor: pointer; font-weight: bold; transition: 0.2s; display: flex; align-items: center; gap: 5px; flex-shrink: 0;}
        .copy-group button:hover { filter: brightness(1.2); }

        @media (max-width: 768px) {
            .menu-toggle { display: block; }
            .sidebar { position: fixed; left: -260px; height: 100%; box-shadow: 10px 0 20px rgba(0,0,0,0.5); }
            .sidebar.active { left: 0; }
            .sidebar-overlay.active { display: block; }
            .content-area { padding: 15px; }
            .copy-group { flex-direction: column; }
        }
    </style>
</head>
<body>
    <div class="sidebar-overlay" id="overlay" onclick="toggleMenu()"></div>
    
    <nav class="sidebar" id="sidebar">
        <div class="sidebar-header">
            <?php if(!empty($logo_url) && file_exists($logo_url)): ?>
                <img src="<?php echo htmlspecialchars($logo_url); ?>" alt="Logo" class="sidebar-logo">
            <?php else: ?>
                <?php echo htmlspecialchars($nome_painel); ?>
            <?php endif; ?>
        </div>
        <div class="user-info">
            <div style="color:white; font-size: 14px;">Olá, <strong><?php echo htmlspecialchars($nome_usuario); ?></strong></div>
            <span class="badge">Administrador</span>
        </div>
        
        <div class="menu-list">
            <a href="dashboard.php" class="menu-item active"><i class="fas fa-chart-line"></i> Dashboard</a>
            <a href="perfil.php" class="menu-item active"><i class="fas fa-user-circle"></i> Meu Perfil</a>
            
            <a href="lancamentos.php" class="menu-item active"><i class="fas fa-fire"></i> Últimos Adicionados</a>
            
            <a href="ajuda.php" class="menu-item active"><i class="fas fa-question-circle"></i> Material de Ajuda</a>
            
            <div class="menu-category">Gestão</div>
            <a href="clientes.php" class="menu-item active"><i class="fas fa-users"></i> Clientes IPTV</a>
            <a href="testes.php" class="menu-item active"><i class="fas fa-vial"></i> Gerenciar Testes</a>
            <a href="online.php" class="menu-item active"><i class="fas fa-plug"></i> Clientes Online</a>
            <a href="revendedores.php" class="menu-item active"><i class="fas fa-user-tie"></i> Revendedores</a>
            <a href="migrar_clientes.php" class="menu-item active"><i class="fas fa-exchange-alt"></i> Migrar Clientes</a>
            <a href="logs_creditos.php" class="menu-item active"><i class="fas fa-list-alt"></i> Extrato de Créditos</a>
            <a href="marketing.php" class="menu-item active"><i class="fas fa-bullhorn"></i> Central de Marketing</a>
            
            
            <div class="menu-category">Clientes P2P</div>
            <a href="p2p_clientes.php" class="menu-item active"><i class="fas fa-tv"></i> Clientes P2P</a>
            
            <?php if (!empty($api_conf['api_binstream_url'])): ?>
                <a href="binstream_p2p.php" class="menu-item active"><i class="fas fa-tv"></i> Binstream P2P</a>
            <?php endif; ?>

            <div class="menu-category">Integração & Cobrança</div>
            <a href="pagamentos.php" class="menu-item active"><i class="fas fa-dollar-sign"></i> Pagamento Automático</a>
            <a href="cobranca.php" class="menu-item active"><i class="fas fa-comment-dollar"></i> Central de Cobrança</a>
            <a href="admin_planos.php" class="menu-item active"><i class="fas fa-tags"></i> Meus Planos de Venda</a>
            <a href="comprar_creditos.php" class="menu-item active"><i class="fas fa-shopping-cart"></i> Comprar Créditos</a>
            
            <div class="menu-item active" onclick="toggleSubmenu('appsSub')">
                <i class="fas fa-rocket"></i><span>Aplicações</span><i class="fas fa-chevron-down arrow-icon" id="arrow-appsSub"></i>
            </div>
            <div class="submenu" id="appsSub">
                <a href="loja_apps.php" class="menu-item active"><i class="fas fa-store"></i> Loja de Aplicativos</a>
                <?php if($role === 'admin'): ?>
                    <a href="admin_loja.php" class="menu-item active"><i class="fas fa-cogs"></i> Gerenciar Loja</a>
                <?php endif; ?>
                <a href="chatbot.php" class="menu-item active"><i class="fab fa-whatsapp"></i> Chatbot Automático</a>
            </div>
           <a href="admin_player_revenda.php" class="menu-item active"><i class="fas fa-play-circle"></i> WebPlayer</a>
            
   <div class="menu-category">Segurança</div>
            <a href="historico_logins.php" class="menu-item active"><i class="fas fa-shield-alt"></i> Sessões Ativas</a>

            <?php if($role === 'admin'): ?>
                <div class="menu-category">Administração</div>
                <a href="admin_monitor.php" class="menu-item active"><i class="fas fa-heartbeat"></i> Monitor do Servidor</a>
                <a href="admin_template.php" class="menu-item active"><i class="fas fa-edit"></i> Editor de Template</a>
                <a href="admin_lb.php" class="menu-item active"><i class="fas fa-server"></i> Load Balancers</a>
                <a href="guia_cloudflare.php" class="menu-item active"><i class="fas fa-cloud"></i> Guia Cloudflare</a>
                 <a href="admin_loja_creditos.php" class="menu-item active"><i class="fas fa-store"></i> Configurar Loja (PIX)</a>
                 <a href="integracoes_api.php" class="menu-item active"><i class="fas fa-plug"></i> Integrações API</a>
                 <a href="integracoes_api_whatsapp.php" class="menu-item active"><i class="fas fa-plug"></i> Integrações API WhatsApp</a>
                 <a href="admin_robo.php" class="menu-item active"><i class="fas fa-robot"></i> Robô de Cobrança</a>
                 <a href="admin_anti_bloqueio.php" class="menu-item active"><i class="fas fa-bolt"></i> Botão de Pânico</a>
                 <a href="admin_anti_fraude.php" class="menu-item active"><i class="fas fa-user-secret"></i> Radar Anti-Fraude</a>  
                 <a href="admin_watchdog.php" class="menu-item active"><i class="fas fa-dog"></i> Watchdog LB</a>  
                 
                 <a href="admin_epg_sync.php" class="menu-item active">
        <i class="fas fa-clock"></i> Sincronizar EPG
    </a>

 <div class="menu-item active" onclick="toggleSubmenu('painelSub')">
                    <i class="fas fa-desktop"></i><span>Painel</span><i class="fas fa-chevron-down arrow-icon" id="arrow-painelSub"></i>
                </div>
                <div class="submenu" id="painelSub">
                    <a href="personalizacao.php" class="menu-item active"><i class="fas fa-paint-brush"></i> Personalização</a>
                </div>
             
                <div class="menu-item active" onclick="toggleSubmenu('adminSub')">
                    <i class="fas fa-toolbox"></i><span>Ferramentas</span><i class="fas fa-chevron-down arrow-icon" id="arrow-adminSub"></i>
                </div>
                <div class="submenu" id="adminSub">
                    <a href="importar.php" class="menu-item active"><i class="fas fa-file-import"></i> Importador</a>
                    <a href="importar3.php" class="menu-item active"><i class="fas fa-file-import"></i> Importador Turbo</a>
                    <a href="dns_manager.php" class="menu-item active"><i class="fas fa-link"></i> Alterar DNS</a>
                    <a href="admin_logos.php" class="menu-item active"><i class="fas fa-image"></i> Alterar Logos</a>
                    <a href="mover_conteudos.php" class="menu-item active"><i class="fas fa-exchange-alt"></i> Mover Conteúdos</a>
                    <a href="limpeza.php" class="menu-item active"><i class="fas fa-trash-alt"></i> Limpeza de Dados</a>
                    <a href="limpar_duplicados.php" class="menu-item active"><i class="fas fa-copy"></i> Limpeza de Duplicados</a>
                    <a href="backup.php" class="menu-item active"><i class="fas fa-database"></i> Backup do Sistema</a>
                    <a href="seguranca.php" class="menu-item active"><i class="fas fa-shield-alt"></i> Sistema de Segurança</a>
                    <a href="configuracoes.php" class="menu-item active"><i class="fas fa-tools"></i> Configurações</a>
                </div>

                 <?php if($role === 'admin'): ?>
    <div class="menu-category">Financeiro</div>
     <!-- NOVO MENU FINANCEIRO COM SUBMENU -->
            <div class="menu-item active" onclick="toggleSubmenu('finSub')">
                <i class="fas fa-hand-holding-usd"></i><span>Financeiro</span><i class="fas fa-chevron-down arrow-icon rotate" id="arrow-finSub"></i>
            </div>
            <div class="submenu" id="finSub" style="display: block;">
                <a href="financeiro.php" class="menu-item active">Faturamento</a>
            </div>
    
    <?php endif; ?>

                <div class="menu-category">Conteúdos</div>
                <a href="categorias.php" class="menu-item active"><i class="fas fa-folder-open"></i><span>Categorias</span></a>
                <div class="menu-item active" onclick="toggleSubmenu('contentSub')">
                    <i class="fas fa-layer-group"></i><span>Mídias</span><i class="fas fa-chevron-down arrow-icon" id="arrow-contentSub"></i>
                </div>
                <div class="submenu" id="contentSub">
                    <a href="bouquets.php" class="menu-item active">Editar Bouquets</a>
                    <a href="canais.php" class="menu-item active">Canais Ao Vivo</a>
                    <a href="filmes.php" class="menu-item active">Filmes (VOD)</a>
                    <a href="series.php" class="menu-item active">Séries</a>
                </div>
                 <a href="admin_autofix_vod.php" class="menu-item active"><i class="fas fa-magic"></i> Auto-Fix TMDB</a>
            <?php endif; ?>
        </div>
        <a href="logout.php" class="logout-btn"><i class="fas fa-power-off"></i> Sair</a>
    </nav>

    <div class="main-content">
        <header class="topbar">
            <div style="display:flex; align-items:center;">
                <button class="menu-toggle" onclick="toggleMenu()"><i class="fas fa-bars"></i></button>
                <h2 style="margin:0; font-size: 18px; color:white;"><i class="fas fa-dog" style="color:var(--success);"></i> Monitoramento Watchdog</h2>
            </div>
        </header>

        <div class="content-area">
            <?php echo $mensagem_status; ?>

            <div class="card" style="border-top: 4px solid var(--success);">
                <h3><i class="fas fa-cogs" style="color:var(--success);"></i> Configuração do Cão de Guarda</h3>
                <p style="font-size: 13px; color: var(--text-muted); margin-bottom: 20px;">O Watchdog verifica automaticamente o Nginx e o PHP dos seus Load Balancers. Se algum deles falhar, ele envia um comando seguro para reiniciar os serviços e evitar a queda do painel.</p>
                
                <form method="POST">
                    <input type="hidden" name="action_save_watchdog" value="1">
                    
                    <div style="display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 15px; margin-bottom: 25px; background: rgba(0,0,0,0.2); padding: 15px; border-radius: 8px;">
                        <div>
                            <h4 style="margin:0; color:white; font-size: 15px;">Monitoramento Automático</h4>
                            <p style="font-size: 12px; color: var(--text-muted); margin-top: 5px;">Ativar ou pausar o envio de comandos de reinício.</p>
                        </div>
                        <label class="switch">
                            <input type="checkbox" name="wd_status" <?php echo ($conf['status'] == 1) ? 'checked' : ''; ?>>
                            <span class="slider"></span>
                        </label>
                    </div>

                    <div class="form-group">
                        <label>Chave de Segurança (API Key)</label>
                        <p style="font-size: 11px; color: var(--warning); margin-top: 0;">Esta chave deve ser a mesma colocada dentro do arquivo <code>watchdog_lb.php</code> em seus servidores LB.</p>
                        <input type="text" name="wd_chave" value="<?php echo htmlspecialchars($conf['chave_seguranca']); ?>" required>
                    </div>
                    
                    <button type="submit" class="btn-save"><i class="fas fa-save"></i> SALVAR CONFIGURAÇÕES</button>
                    
                    <button type="button" class="btn-tutorial" onclick="abrirTutorialCron()"><i class="fas fa-terminal"></i> Como configurar a Tarefa Cron?</button>
                </form>
            </div>

            <div class="card">
                <h3><i class="fas fa-server" style="color: var(--accent);"></i> Load Balancers Monitorados</h3>
                <div class="table-responsive">
                    <table>
                        <thead>
                            <tr>
                                <th>Servidor IP</th>
                                <th>Status Local</th>
                            </tr>
                        </thead>
                        <tbody>
                            <?php if(empty($servidores)): ?>
                                <tr><td colspan="2" style="text-align:center;">Nenhum Load Balancer cadastrado na sua tabela.</td></tr>
                            <?php else: foreach($servidores as $s): ?>
                                <tr>
                                    <td><strong><?php echo htmlspecialchars($s['ip_servidor']); ?></strong></td>
                                    <td><span class="status-dot dot-on"></span> Monitorando...</td>
                                </tr>
                            <?php endforeach; endif; ?>
                        </tbody>
                    </table>
                </div>
            </div>

            <div class="card">
                <h3 style="border:none; margin-bottom:0;"><i class="fas fa-list" style="color: #f39c12;"></i> Relatório de Quedas e Reboots</h3>
                <div class="table-responsive">
                    <table>
                        <thead>
                            <tr>
                                <th>Data / Hora</th>
                                <th>IP do Servidor</th>
                                <th>Ação do Watchdog</th>
                            </tr>
                        </thead>
                        <tbody>
                            <?php if(empty($logs)): ?>
                                <tr><td colspan="3" style="text-align:center; padding: 20px 0;"><i class="fas fa-check-circle" style="color:var(--success); font-size:20px;"></i> 100% Uptime! Nenhuma queda detectada.</td></tr>
                            <?php else: foreach($logs as $l): ?>
                                <tr>
                                    <td><?php echo date('d/m H:i', strtotime($l['data_hora'])); ?></td>
                                    <td style="font-family: monospace; color: var(--warning);"><?php echo htmlspecialchars($l['ip_servidor']); ?></td>
                                    <td><?php echo htmlspecialchars($l['acao']); ?></td>
                                </tr>
                            <?php endforeach; endif; ?>
                        </tbody>
                    </table>
                </div>
            </div>
        </div>
        <?php include 'rodape.php'; ?>
    </div>

    <div class="modal-overlay-tutorial" id="modalTutorialCron">
        <div class="modal-box">
            <button class="modal-close" onclick="fecharTutorialCron()"><i class="fas fa-times"></i></button>
            <h3 style="margin-top: 0; color: white; border-bottom: 1px solid var(--border-color); padding-bottom: 15px; text-align: left;">
                <i class="fas fa-clock" style="color: #8b5cf6;"></i> Configurar Tarefa Cron (Vigia)
            </h3>
            
            <div class="tutorial-content">
                <p style="color: var(--text-muted); font-size: 13px;">O Watchdog precisa ser "acordado" a cada 5 minutos pelo seu servidor para verificar se os Load Balancers estão vivos. Escolha a sua opção abaixo:</p>

                <h4><i class="fas fa-cogs"></i> Opção 1: Hospedagem (cPanel)</h4>
                <ol>
                    <li>Acesse o painel principal do seu <strong>cPanel</strong>.</li>
                    <li>Role até a seção "Avançado" e clique em <strong>Trabalhos Cron</strong> (Cron Jobs).</li>
                    <li>Em "Configurações Comuns", selecione: <strong>Uma vez a cada 5 minutos (*/5 * * * *)</strong>.</li>
                    <li>No campo "Comando", cole o código abaixo e salve:</li>
                </ol>
                <div class="copy-group">
                    <input type="text" id="cmd_cpanel" value="<?php echo $caminho_cpanel; ?>" readonly>
                    <button type="button" onclick="copiarComando('cmd_cpanel')"><i class="fas fa-copy"></i> Copiar</button>
                </div>

                <h4 style="margin-top: 25px;"><i class="fas fa-terminal"></i> Opção 2: VPS Linux (Terminal SSH)</h4>
                <ol>
                    <li>Acesse sua VPS via SSH (Putty, Termius, etc).</li>
                    <li>Digite o comando <code>crontab -e</code> e aperte Enter.</li>
                    <li>Vá até a última linha do arquivo, cole o código abaixo e salve:</li>
                </ol>
                <div class="copy-group">
                    <input type="text" id="cmd_vps" value="<?php echo $caminho_vps; ?>" readonly>
                    <button type="button" onclick="copiarComando('cmd_vps')"><i class="fas fa-copy"></i> Copiar</button>
                </div>
                
                <div style="background: rgba(243, 156, 18, 0.1); border-left: 4px solid var(--warning); padding: 10px 15px; margin-top: 20px; border-radius: 4px;">
                    <p style="margin: 0; font-size: 12px; color: var(--text-main);"><strong style="color:var(--warning);">Atenção:</strong> Certifique-se de que o caminho do arquivo <code>watchdog_cron.php</code> e a versão do PHP nos comandos acima estão corretos para a estrutura do seu servidor.</p>
                </div>
            </div>
        </div>
    </div>

    <script>
        function toggleMenu() { 
            document.getElementById('sidebar').classList.toggle('active'); 
            document.getElementById('overlay').classList.toggle('active'); 
        }

        // MOTOR JAVASCRIPT QUE ABRE, FECHA E GIRA A SETINHA DOS SUBMENUS
        function toggleSubmenu(id) {
            var submenu = document.getElementById(id);
            var arrow = document.getElementById('arrow-' + id);
            
            if (submenu.style.display === "block") {
                submenu.style.display = "none";
                if(arrow) arrow.style.transform = "rotate(0deg)"; // Seta pra baixo
            } else {
                submenu.style.display = "block";
                if(arrow) arrow.style.transform = "rotate(180deg)"; // Seta pra cima
            }
        }

        function abrirTutorialCron() {
            document.getElementById('modalTutorialCron').style.display = 'flex';
        }

        function fecharTutorialCron() {
            document.getElementById('modalTutorialCron').style.display = 'none';
        }

        function copiarComando(idElemento) {
            var copyText = document.getElementById(idElemento);
            copyText.select();
            copyText.setSelectionRange(0, 99999);
            navigator.clipboard.writeText(copyText.value).then(() => {
                alert("Comando copiado com sucesso!");
            }).catch(err => {
                document.execCommand("copy");
                alert("Comando copiado com sucesso!");
            });
        }
        
        setTimeout(function() { 
            try { 
                var alerts = document.querySelectorAll('.alert'); 
                for(var i=0; i<alerts.length; i++) { alerts[i].style.opacity='0'; } 
                setTimeout(function(){ 
                    for(var j=0; j<alerts.length; j++) { alerts[j].style.display='none'; } 
                }, 500); 
            } catch(e) {} 
        }, 4000);
    </script>
</body>
</html>