import axios from 'axios';
import { Pool } from 'pg';

const DUTCHIE_GRAPHQL_URL = 'https://dutchie.com/graphql';

const MENU_PRODUCTS_QUERY = `
  query FilteredProducts($productsFilter: ProductFilterInput!) {
    filteredProducts(productsFilter: $productsFilter) {
      products {
        id
        name
        brand
        category
        subcategory
        strainType
        description
        image
        images {
          id
          url
        }
        posId
        potencyCbd {
          formatted
          range
          unit
        }
        potencyThc {
          formatted
          range
          unit
        }
        variants {
          id
          option
          price
          priceMed
          priceRec
          quantity
          specialPrice
        }
        status
      }
    }
  }
`;

function formatBytes(bytes: number): string {
  if (bytes < 1024) return `${bytes} B`;
  if (bytes < 1024 * 1024) return `${(bytes / 1024).toFixed(2)} KB`;
  if (bytes < 1024 * 1024 * 1024) return `${(bytes / (1024 * 1024)).toFixed(2)} MB`;
  return `${(bytes / (1024 * 1024 * 1024)).toFixed(2)} GB`;
}

async function measureRequest(dispensaryId: string, mode: 'A' | 'B') {
  const variables: any = {
    productsFilter: {
      dispensaryId,
      pricingType: 'rec',
      Status: mode === 'A' ? 'Active' : null,
    }
  };

  const requestBody = JSON.stringify({
    query: MENU_PRODUCTS_QUERY,
    variables,
  });

  const requestSize = Buffer.byteLength(requestBody, 'utf8');

  try {
    const response = await axios.post(DUTCHIE_GRAPHQL_URL, requestBody, {
      headers: {
        'Content-Type': 'application/json',
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36',
        'Origin': 'https://dutchie.com',
      },
      timeout: 30000,
    });

    const responseSize = Buffer.byteLength(JSON.stringify(response.data), 'utf8');
    const productCount = response.data?.data?.filteredProducts?.products?.length || 0;

    // Debug: show what we got
    if (productCount === 0) {
      console.log(`  Response preview: ${JSON.stringify(response.data).slice(0, 300)}...`);
    }

    return { requestSize, responseSize, productCount };
  } catch (error: any) {
    console.error(`  Error: ${error.message}`);
    if (error.response) {
      console.error(`  Status: ${error.response.status}`);
      console.error(`  Data: ${JSON.stringify(error.response.data).slice(0, 200)}`);
    }
    return { requestSize, responseSize: 0, productCount: 0, error: error.message };
  }
}

async function main() {
  const pool = new Pool({ connectionString: process.env.DATABASE_URL });

  // Get one store with products (use a known good ID)
  const { rows } = await pool.query(`
    SELECT d.platform_dispensary_id, d.name, COUNT(sp.id) as product_count
    FROM dispensaries d
    LEFT JOIN store_products sp ON d.id = sp.dispensary_id
    WHERE d.platform_dispensary_id IS NOT NULL
    GROUP BY d.id
    ORDER BY product_count DESC
    LIMIT 1
  `);

  if (rows.length === 0) {
    console.log('No crawlable stores found');
    await pool.end();
    return;
  }

  const store = rows[0];
  console.log('=== Dutchie GraphQL Bandwidth for One Store ===\n');
  console.log(`Store: ${store.name}`);
  console.log(`Platform ID: ${store.platform_dispensary_id}`);
  console.log(`Products in DB: ${store.product_count || 'unknown'}\n`);

  // Mode A (Active products with pricing)
  console.log('Fetching Mode A (Active products)...');
  const modeA = await measureRequest(store.platform_dispensary_id, 'A');

  // Mode B (All products)
  console.log('Fetching Mode B (All products)...');
  const modeB = await measureRequest(store.platform_dispensary_id, 'B');

  console.log('\n=== Results for ONE STORE ===');
  console.log('\nMode A (Active products with pricing):');
  console.log(`  Request size:  ${formatBytes(modeA.requestSize)}`);
  console.log(`  Response size: ${formatBytes(modeA.responseSize)}`);
  console.log(`  Products:      ${modeA.productCount}`);
  if (modeA.productCount > 0) {
    console.log(`  Per product:   ${formatBytes(modeA.responseSize / modeA.productCount)}`);
  }

  console.log('\nMode B (All products incl. OOS):');
  console.log(`  Request size:  ${formatBytes(modeB.requestSize)}`);
  console.log(`  Response size: ${formatBytes(modeB.responseSize)}`);
  console.log(`  Products:      ${modeB.productCount}`);
  if (modeB.productCount > 0) {
    console.log(`  Per product:   ${formatBytes(modeB.responseSize / modeB.productCount)}`);
  }

  console.log('\nDual-Mode Crawl (what we actually do):');
  const totalRequest = modeA.requestSize + modeB.requestSize;
  const totalResponse = modeA.responseSize + modeB.responseSize;
  const totalBandwidth = totalRequest + totalResponse;
  console.log(`  Total request:   ${formatBytes(totalRequest)}`);
  console.log(`  Total response:  ${formatBytes(totalResponse)}`);
  console.log(`  TOTAL BANDWIDTH: ${formatBytes(totalBandwidth)}`);

  // Per-product average
  const avgProducts = Math.max(modeA.productCount, modeB.productCount);
  const bytesPerProduct = avgProducts > 0 ? totalResponse / avgProducts : 0;

  console.log('\n=== Quick Reference ===');
  console.log(`Average bytes per product: ~${formatBytes(bytesPerProduct)}`);
  console.log(`\nTypical store sizes:`);
  console.log(`  Small (100 products):  ~${formatBytes(bytesPerProduct * 100 + totalRequest)}`);
  console.log(`  Medium (300 products): ~${formatBytes(bytesPerProduct * 300 + totalRequest)}`);
  console.log(`  Large (500 products):  ~${formatBytes(bytesPerProduct * 500 + totalRequest)}`);

  await pool.end();
}

main().catch(console.error);