<?php
header('Content-Type: application/json');

$image = $_POST['image'] ?? '';
$lang = $_POST['lang'] ?? 'fra+eng';

if (empty($image)) {
    echo json_encode(['error' => 'Image base64 required']);
    exit;
}

$tmp = '/tmp/ocr_' . uniqid() . '.png';
file_put_contents($tmp, base64_decode($image));

$output = [];
exec("tesseract '$tmp' stdout -l $lang 2>/dev/null", $output);
$text = trim(implode("\n", $output));

@unlink($tmp);

echo json_encode([
    'success' => !empty($text),
    'text' => $text,
    'chars' => strlen($text)
]);