Chargement des Produits Internet

async function loadInternetProducts(type) {
  if (!['ADSL', '4G'].includes(type)) {
    throw new Error('Invalid type. Must be ADSL or 4G');
  }

  const response = await fetch(
    `https://api.oneclickdz.com/v3/internet/products?type=${type}`,
    {
      headers: {
        "X-Access-Token": process.env.API_KEY,
      },
    }
  );

  if (!response.ok) {
    throw new Error(`Failed to load products: ${response.status}`);
  }

  const result = await response.json();
  return result.data.products;
}

// Usage
const adslProducts = await loadInternetProducts('ADSL');
const lteProducts = await loadInternetProducts('4G');

console.log(`ADSL: ${adslProducts.length} products`);
console.log(`4G: ${lteProducts.length} products`);

class ProductCache {
  constructor(ttlMinutes = 10) {
    this.cache = new Map();
    this.ttl = ttlMinutes * 60 * 1000;
  }

  async get(type) {
    const cached = this.cache.get(type);
    const now = Date.now();
    
    // Return cached if still valid
    if (cached && (now - cached.timestamp) < this.ttl) {
      console.log(`Returning cached ${type} products`);
      return cached.data;
    }

    // Fetch fresh data
    console.log(`Fetching fresh ${type} products`);
    const products = await loadInternetProducts(type);
    
    this.cache.set(type, {
      data: products,
      timestamp: now,
    });
    
    return products;
  }

  invalidate(type) {
    if (type) {
      this.cache.delete(type);
    } else {
      this.cache.clear();
    }
  }
}

// Usage
const cache = new ProductCache(10); // TTL 10 minutes

// First call - fetches from API
const adsl1 = await cache.get('ADSL');

// Second call within 10 minutes - returns cached
const adsl2 = await cache.get('ADSL');

// Type différent - récupère séparément
const lte = await cache.get('4G');

// Force refresh
cache.invalidate('ADSL');
const adsl3 = await cache.get('ADSL'); // Récupère de nouvelles données

function getAvailableProducts(products) {
  return products.filter(p => p.available);
}

// Usage
const allProducts = await cache.get('ADSL');
const available = getAvailableProducts(allProducts);

console.log(`${available.length}/${allProducts.length} products in stock`);

if (available.length === 0) {
  console.log('No products available at the moment');
}

function applyMarkup(products, markupPercent = 5) {
  return products
    .filter(p => p.available)
    .map(p => ({
      value: p.value,
      wholesaleCost: p.cost, // Store but don't show
      customerPrice: Math.ceil(p.cost * (1 + markupPercent / 100)),
      available: true,
    }));
}

// Usage
const products = await cache.get('ADSL');
const customerPrices = applyMarkup(products, 5); // 5% markup

customerPrices.forEach(p => {
  console.log(`${p.value} DA card: ${p.customerPrice} DA`);
  // Ne pas journaliser wholesaleCost en production !
});