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

$pdo = getConexaoAtiva();

// SEGURANÇA: Apenas admin acessa
if (!isset($_SESSION['user_id']) || $_SESSION['user_role'] !== 'admin') { 
    header("Location: login.php"); 
    exit; 
}

$nome_usuario = $_SESSION['username'] ?? 'Usuário';
$role = $_SESSION['user_role'];
$user_id_logado = $_SESSION['user_id'];

// Busca créditos do usuário para o menu lateral
try {
    $user_credits = $pdo->query("SELECT credits FROM reg_users WHERE id = " . intval($user_id_logado))->fetchColumn() ?: 0;
} catch (Exception $e) { 
    $user_credits = 0; 
}

$msg = "";

// LÓGICA DE EXCLUSÃO
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    try {
        $pdo->beginTransaction();

        // 1. LIMPEZA TOTAL
        if (isset($_POST['limpeza_total'])) {
            $pdo->exec("DELETE FROM user_activity");
            $pdo->exec("DELETE FROM streams"); 
            $pdo->exec("DELETE FROM series_episodes");
            $pdo->exec("DELETE FROM streams_seasons"); 
            $pdo->exec("DELETE FROM series");
            $pdo->exec("DELETE FROM stream_categories"); 
            $msg = "<div class='alert success'><i class='fas fa-check-circle'></i> Limpeza completa realizada com sucesso!</div>";
        }

        // 2. EXCLUIR CATEGORIAS SELECIONADAS (Canais, Filmes ou Séries)
        if (isset($_POST['delete_cats']) && !empty($_POST['cat_ids'])) {
            $ids = implode(',', array_map('intval', $_POST['cat_ids']));
            
            // Limpa dependências de séries antes de apagar categorias
            $stmt = $pdo->query("SELECT id FROM series WHERE category_id IN ($ids)");
            $series_ids = $stmt->fetchAll(PDO::FETCH_COLUMN);
            
            if (!empty($series_ids)) {
                $s_ids = implode(',', $series_ids);
                
                // Tenta deletar os episódios usando series_id (padrão da maioria dos painéis)
                // Usando try-catch para evitar que o script trave se a estrutura for diferente
                try {
                    $pdo->exec("DELETE FROM series_episodes WHERE series_id IN ($s_ids)");
                } catch (Exception $e) {
                    // Ignora erro de coluna não encontrada apenas aqui, para não travar o resto da exclusão
                }
                
                $pdo->exec("DELETE FROM streams_seasons WHERE stream_id IN ($s_ids)");
                $pdo->exec("DELETE FROM series WHERE id IN ($s_ids)");
            }

            $pdo->exec("DELETE FROM streams WHERE category_id IN ($ids)");
            $pdo->exec("DELETE FROM stream_categories WHERE id IN ($ids)");
            
            $msg = "<div class='alert success'><i class='fas fa-check-circle'></i> Itens excluídos com sucesso!</div>";
        }

        $pdo->commit();
    } catch (Exception $e) {
        $pdo->rollBack();
        $msg = "<div class='alert danger'><i class='fas fa-exclamation-triangle'></i> Erro: " . $e->getMessage() . "</div>";
    }
}

// BUSCA CATEGORIAS (Filtradas por category_type conforme seu banco)
$cat_canais = $pdo->query("SELECT * FROM stream_categories WHERE category_type = 'live' ORDER BY category_name ASC")->fetchAll();
$cat_filmes = $pdo->query("SELECT * FROM stream_categories WHERE category_type = 'movie' ORDER BY category_name ASC")->fetchAll();
$cat_series = $pdo->query("SELECT * FROM stream_categories WHERE category_type = 'series' ORDER BY category_name ASC")->fetchAll();
?>

<!DOCTYPE html>
<html lang="pt-BR">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Limpeza - TOP IPTV</title>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
    <style>
        :root { 
            --bg-dark: #0f1114; 
            --bg-sidebar: #16191d; 
            --bg-card: #1c2126; 
            --text-main: #e1e1e1; 
            --accent: #007bff; 
            --danger: #dc3545; 
            --border: #2d3238;
            --success: #28a745;
        }

        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 COMPLETA (PADRONIZADA) */
        .sidebar { width: 260px; background-color: var(--bg-sidebar); border-right: 1px solid var(--border); display: flex; flex-direction: column; transition: all 0.3s ease; z-index: 1001; }
        .sidebar-header { padding: 30px 20px; text-align: center; font-size: 22px; font-weight: bold; border-bottom: 1px solid var(--border); }
        .sidebar-header span { color: var(--accent); }
        
        .user-info { padding: 20px; text-align: center; border-bottom: 1px solid var(--border); }
        .user-info .badge { background: rgba(0, 123, 255, 0.2); color: var(--accent); padding: 4px 10px; border-radius: 4px; font-size: 11px; text-transform: uppercase; font-weight: bold; margin-top: 5px; display: inline-block; }
        .user-info .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; flex: 1; overflow-y: auto; }
        .menu-item { padding: 14px 25px; color: #aeb7c2; text-decoration: none; display: flex; align-items: center; transition: 0.2s; font-size: 15px; border-left: 4px solid transparent; cursor: pointer; }
        .menu-item i:first-child { margin-right: 15px; width: 20px; text-align: center; font-size: 16px; color: #8a94a1; }
        .menu-item:hover, .menu-item.active { background: #22282f; color: white; border-left-color: var(--accent); }
        .menu-item.active i { color: var(--accent); }
        
        /* Submenu */
        .submenu { display: none; background: #121519; list-style: none; padding: 0; margin: 0; }
        .submenu .menu-item { padding-left: 52px; font-size: 14px; border-left: none; }
        .arrow-icon { margin-left: auto; transition: 0.3s; font-size: 12px; }
        .rotate { transform: rotate(180deg); }
        
        .menu-category { padding: 20px 25px 10px; font-size: 11px; text-transform: uppercase; color: #56616d; font-weight: bold; letter-spacing: 1px; }
        .btn-sair { background: #dc3545; color: white; padding: 15px; text-align: center; text-decoration: none; font-weight: bold; margin-top: auto; }

        /* CONTEÚDO PRINCIPAL */
        .main-content { flex: 1; display: flex; flex-direction: column; overflow-y: auto; }
        .topbar { padding: 15px 25px; background: var(--bg-sidebar); border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 15px;}
        .content-area { padding: 30px; }
        
        /* ESTILOS DINÂMICOS DO MODO SISTEMA */
        .mode-badge { padding: 6px 15px; border-radius: 20px; font-size: 12px; font-weight: bold; white-space: nowrap; display: inline-block; }
        .badge-interno { background: rgba(40, 167, 69, 0.15); color: var(--success); border: 1px solid var(--success); }
        .badge-externo { background: rgba(243, 156, 18, 0.15); color: #f39c12; border: 1px solid #f39c12; }

        /* MOBILE OVERLAY & TOGGLE */
        .menu-toggle { display: none; background: none; border: none; color: white; font-size: 24px; cursor: pointer; }
        .overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.8); z-index: 1000; }

        /* CARDS E BOTÕES */
        .alert { padding: 15px; border-radius: 6px; margin-bottom: 20px; border: 1px solid transparent; }
        .alert.success { background: rgba(40, 167, 69, 0.1); color: #28a745; border-color: #28a745; }
        .alert.danger { background: rgba(220, 53, 69, 0.1); color: #dc3545; border-color: #dc3545; }

        .btn-total { background: var(--danger); color: white; border: none; padding: 20px; border-radius: 8px; width: 100%; font-weight: bold; cursor: pointer; margin-bottom: 30px; font-size: 16px; box-shadow: 0 4px 15px rgba(220, 53, 69, 0.3); transition: 0.3s; }
        .btn-total:hover { transform: translateY(-2px); background: #c82333; }

        .clean-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 25px; }
        .clean-card { background: var(--bg-card); border-radius: 12px; padding: 20px; border: 1px solid var(--border); }
        .list-box { height: 220px; overflow-y: auto; background: #121519; margin: 15px 0; border-radius: 6px; border: 1px solid #2d3238; padding: 5px; }
        .item-row { display: flex; align-items: center; padding: 10px; border-bottom: 1px solid #24292e; cursor: pointer; color: var(--text-main); font-weight: normal; margin-bottom: 0; }
        .item-row:hover { background: #1a1e23; }
        .item-row:last-child { border: none; }
        .item-row input { margin-right: 12px; transform: scale(1.2); accent-color: var(--accent); }
        .btn-del { background: #323941; color: white; border: none; padding: 12px; border-radius: 6px; width: 100%; cursor: pointer; font-weight: bold; transition: 0.3s; }
        .btn-del:hover { background: var(--danger); }

        /* RESPONSIVIDADE */
        @media (max-width: 992px) {
            .sidebar { position: fixed; left: -260px; height: 100%; }
            .sidebar.active { left: 0; }
            .menu-toggle { display: block; }
            .overlay.active { display: block; }
            .topbar-right { margin-left: auto; }
            .topbar h3 { font-size: 16px !important; }
        }
    </style>
</head>
<body>

    <div class="overlay" id="overlay" onclick="toggleSidebar()"></div>

    <nav class="sidebar" id="sidebar">
        <div class="sidebar-header">TOP <span>IPTV</span></div>
        <div class="user-info">
            <div style="color:white; font-size: 14px;">Olá, <strong><?php echo htmlspecialchars($nome_usuario); ?></strong></div>
            <span class="badge"><?php echo $role === 'admin' ? 'Administrador' : 'Revendedor'; ?></span>
            <div class="credits-badge"><i class="fas fa-coins"></i> Saldo: <?php echo number_format($user_credits, 1); ?></div>
        </div>
        
        <div class="menu-list">
            <a href="dashboard.php" class="menu-item"><i class="fas fa-chart-line"></i> Dashboard</a>
            
            <div class="menu-category">Gestão</div>
            <a href="clientes.php" class="menu-item"><i class="fas fa-users"></i> Clientes IPTV</a>
            <a href="testes.php" class="menu-item"><i class="fas fa-vial"></i> Gerenciar Testes</a>
            <a href="revendedores.php" class="menu-item"><i class="fas fa-user-tie"></i> Revendedores</a>

            <?php if($role === 'admin'): ?>
                <div class="menu-category">Administração</div>
                
                <div class="menu-item" onclick="toggleSubmenu('adminSub')">
                    <i class="fas fa-toolbox"></i> 
                    <span>Ferramentas Admin</span>
                    <i class="fas fa-chevron-down arrow-icon" id="arrow-adminSub"></i>
                </div>
                
                <div class="submenu" id="adminSub" style="display: block;">
                    <a href="importar.php" class="menu-item"><i class="fas fa-file-import"></i> Importador</a>
                    <a href="dns_manager.php" class="menu-item"><i class="fas fa-link"></i> Alterar DNS</a>
                    <a href="mover_conteudos.php" class="menu-item"><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="configuracoes.php" class="menu-item"><i class="fas fa-tools"></i> Configurações</a>
                </div>

                <div class="menu-category">Conteúdos</div>
                
                <div class="menu-item" onclick="toggleSubmenu('contentSub')">
                    <i class="fas fa-layer-group"></i> 
                    <span>Conteúdo</span>
                    <i class="fas fa-chevron-down arrow-icon" id="arrow-contentSub"></i>
                </div>
                
                <a href="categorias.php" class="menu-item">
                    <i class="fas fa-folder-open"></i> 
                    <span>Categorias</span>
                </a>
                
                <div class="submenu" id="contentSub">
                    <a href="bouquets.php" class="menu-item"><i class="fas fa-edit"></i> Editar Bouquets</a>
                    <a href="canais.php" class="menu-item"><i class="fas fa-broadcast-tower"></i> Canais Ao Vivo</a>
                    <a href="filmes.php" class="menu-item"><i class="fas fa-film"></i> Filmes (VOD)</a>
                    <a href="series.php" class="menu-item"><i class="fas fa-video"></i> Séries</a>
                </div>
            <?php endif; ?>
        </div>

        <a href="logout.php" class="btn-sair"><i class="fas fa-sign-out-alt"></i> SAIR DO PAINEL</a>
    </nav>

    <div class="main-content">
        <header class="topbar">
            <div style="display: flex; align-items: center; gap: 15px;">
                <button class="menu-toggle" onclick="toggleSidebar()"><i class="fas fa-bars"></i></button>
                <h3 style="margin:0; color: white;">Limpeza de Dados</h3>
            </div>
            
            <div class="topbar-right">
                <?php 
                    $modo_atual = defined('MODO_SISTEMA') ? strtoupper(MODO_SISTEMA) : 'INTERNO';
                    $classe_modo = ($modo_atual === 'INTERNO') ? 'badge-interno' : 'badge-externo';
                    $icone_modo = ($modo_atual === 'INTERNO') ? 'fa-database' : 'fa-globe';
                ?>
                <span class="mode-badge <?php echo $classe_modo; ?>">
                    <i class="fas <?php echo $icone_modo; ?>"></i> MODO: <?php echo $modo_atual; ?>
                </span>
            </div>
        </header>

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

            <form method="POST" onsubmit="return confirm('ATENÇÃO: Isso apagará TUDO no painel. Prosseguir?')">
                <button type="submit" name="limpeza_total" class="btn-total">
                    <i class="fas fa-exclamation-triangle"></i> RESETAR TODO O CONTEÚDO (Zerar Painel)
                </button>
            </form>

            <div class="clean-grid">
                
                <div class="clean-card">
                    <h4 style="margin-top: 0;"><i class="fas fa-tv" style="color:var(--accent)"></i> Canais de TV</h4>
                    <form method="POST">
                        <div class="list-box">
                            <?php foreach($cat_canais as $c): ?>
                            <label class="item-row">
                                <input type="checkbox" name="cat_ids[]" value="<?php echo $c['id']; ?>"> <?php echo htmlspecialchars($c['category_name']); ?>
                            </label>
                            <?php endforeach; ?>
                        </div>
                        <button type="submit" name="delete_cats" class="btn-del"><i class="fas fa-trash"></i> Excluir Selecionados</button>
                    </form>
                </div>

                <div class="clean-card">
                    <h4 style="margin-top: 0;"><i class="fas fa-film" style="color:#f39c12"></i> Filmes (VOD)</h4>
                    <form method="POST">
                        <div class="list-box">
                            <?php foreach($cat_filmes as $f): ?>
                            <label class="item-row">
                                <input type="checkbox" name="cat_ids[]" value="<?php echo $f['id']; ?>"> <?php echo htmlspecialchars($f['category_name']); ?>
                            </label>
                            <?php endforeach; ?>
                        </div>
                        <button type="submit" name="delete_cats" class="btn-del"><i class="fas fa-trash"></i> Excluir Selecionados</button>
                    </form>
                </div>

                <div class="clean-card">
                    <h4 style="margin-top: 0;"><i class="fas fa-video" style="color:#9b59b6"></i> Séries</h4>
                    <form method="POST">
                        <div class="list-box">
                            <?php foreach($cat_series as $s): ?>
                            <label class="item-row">
                                <input type="checkbox" name="cat_ids[]" value="<?php echo $s['id']; ?>"> <?php echo htmlspecialchars($s['category_name']); ?>
                            </label>
                            <?php endforeach; ?>
                        </div>
                        <button type="submit" name="delete_cats" class="btn-del"><i class="fas fa-trash"></i> Excluir Séries e Episódios</button>
                    </form>
                </div>

            </div>
        </div>
    </div>

    <script>
        function toggleSidebar() {
            document.getElementById('sidebar').classList.toggle('active');
            document.getElementById('overlay').classList.toggle('active');
        }
        
        function toggleSubmenu(id) {
            const sub = document.getElementById(id);
            const arrow = document.getElementById('arrow-' + id);
            
            if (sub.style.display === "block" || sub.style.display === "") {
                sub.style.display = "none";
                arrow.classList.remove('rotate');
            } else {
                sub.style.display = "block";
                arrow.classList.add('rotate');
            }
        }
    </script>
</body>
</html>
