<?php
require_once 'config.php';

$upload_dir = "uploads/";
$processed_dir = "processed/";

// Debug mode
error_reporting(E_ALL);
ini_set('display_errors', 1);

// Criar diretórios se não existirem
if (!file_exists($upload_dir)) mkdir($upload_dir, 0777, true);
if (!file_exists($processed_dir)) mkdir($processed_dir, 0777, true);

if ($_FILES["document"]["error"] == 0) {
    try {
        $temp = $_FILES["document"]["tmp_name"];
        $name = basename($_FILES["document"]["name"]);
        $doc_type = $_POST["doc_type"];
        $client_id = $_POST["client_id"];
        
        // Criar diretório específico do cliente
        $client_dir = $processed_dir . $client_id . "/";
        if (!file_exists($client_dir)) mkdir($client_dir, 0777, true);
        
        // Salvar arquivo original com timestamp
        $timestamp = time();
        $original_name = $timestamp . "_" . $name;
        $original_path = $upload_dir . $original_name;
        
        if (!move_uploaded_file($temp, $original_path)) {
            throw new Exception("Erro ao fazer upload do arquivo");
        }
        
        // Caminho absoluto para o script Python
        $python_script = realpath(__DIR__ . "/document_detector.py");
        $original_path = realpath($original_path);
        $client_dir = realpath($client_dir);
        
        // Comando Python com paths absolutos
        $command = sprintf(
            'python3 "%s" "%s" "%s" "%s" 2>&1',
            $python_script,
            $original_path,
            $doc_type,
            $client_dir
        );
        
        // Log do comando
        file_put_contents('python_debug.log', date('Y-m-d H:i:s') . "\nComando: " . $command . "\n", FILE_APPEND);
        
        // Executar comando
        $output = [];
        $return_var = 0;
        exec($command, $output, $return_var);
        
        // Log da saída
        file_put_contents('python_debug.log', "Saída: " . implode("\n", $output) . "\nCódigo: $return_var\n\n", FILE_APPEND);
        
        // Verificar resultado
        $last_output = end($output);
        $result = json_decode($last_output, true);
        
        if ($result && $result['success']) {
            // Nome do arquivo processado
            $processed_name = $doc_type . "_" . $original_name;
            $processed_file = $client_dir . "/" . $processed_name;
            
            // Registrar no banco
            $sql = "INSERT INTO documentos (client_id, tipo, arquivo, data_upload) VALUES (?, ?, ?, NOW())";
            $stmt = $conn->prepare($sql);
            $stmt->bind_param("iss", $client_id, $doc_type, $processed_file);
            
            if (!$stmt->execute()) {
                throw new Exception("Erro ao registrar documento: " . $stmt->error);
            }
            
            header("Location: index.php?page=doc_list&client_id=" . $client_id . "&status=success");
            exit();
        } else {
            throw new Exception("Erro no processamento: " . ($result['message'] ?? 'Erro desconhecido'));
        }
        
    } catch (Exception $e) {
        file_put_contents('error.log', date('Y-m-d H:i:s') . " - " . $e->getMessage() . "\n", FILE_APPEND);
        die("Erro: " . $e->getMessage());
    }
} else {
    die("Erro no upload: " . $_FILES["document"]["error"]);
}
?>