<?php
function generateExtractRules($url, $prompt) {
    $apiKey = getenv('UJEEBU_API_KEY') ?: 'YOUR_API_KEY';
    
    // Step 1: Generate extract rules using AI
    $ch = curl_init();
    curl_setopt_array($ch, [
        CURLOPT_URL => 'https://api.ujeebu.com/guess-er',
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_POST => true,
        CURLOPT_HTTPHEADER => [
            'ApiKey: ' . $apiKey,
            'Content-Type: application/json'
        ],
        CURLOPT_POSTFIELDS => json_encode([
            'url' => $url,
            'prompt' => $prompt,
            'provider' => 'openai',
            'model' => 'gpt-4o-mini'
        ])
    ]);
    
    $response = curl_exec($ch);
    $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    curl_close($ch);
    
    if ($httpCode === 200) {
        $data = json_decode($response, true);
        return $data['extract_rules'] ?? null;
    }
    
    return null;
}

// Generate rules
$rules = generateExtractRules(
    'https://store.example.com/products',
    'Extract product name, price, image, and rating'
);

if ($rules) {
    echo "Generated rules:\n";
    echo json_encode($rules, JSON_PRETTY_PRINT) . "\n";
    
    // Step 2: Use rules for fast, free scraping
    $ch = curl_init();
    curl_setopt_array($ch, [
        CURLOPT_URL => 'https://api.ujeebu.com/scrape',
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_POST => true,
        CURLOPT_HTTPHEADER => [
            'ApiKey: ' . getenv('UJEEBU_API_KEY'),
            'Content-Type: application/json'
        ],
        CURLOPT_POSTFIELDS => json_encode([
            'url' => 'https://store.example.com/products',
            'extract_rules' => $rules,
            'js' => true,
            'response_type' => 'json'
        ])
    ]);
    
    $response = curl_exec($ch);
    $data = json_decode($response, true);
    curl_close($ch);
    
    $products = $data['products'] ?? [];
    echo "\nExtracted " . count($products) . " products without AI cost!\n";
}
?>