Shopping Analyzer

analyzer.js

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+import { execSync } from 'child_process';
+import * as cheerio from 'cheerio';
+
+async function analyzeProduct(query) {
+  console.log(`\n🔍 Searching web for: "${query}"...`);
+
+  // Target DuckDuckGo HTML endpoint (no JS execution or CAPTCHA walls required)
+  const searchUrl = `https://html.duckduckgo.com/html/?q=${encodeURIComponent(query + ' price buy online india')}`;
+
+  let html = '';
+  try {
+    console.log(`[1/1] Fetching live shopping results via webcmd...`);
+    html = execSync(
+      `webcmd web fetch --url "${searchUrl}" --raw`,
+      { encoding: 'utf-8', maxBuffer: 1024 * 1024 * 25 }
+    );
+  } catch (err) {
+    console.error("❌ Failed to fetch via webcmd.");
+    return;
+  }
+
+  const $ = cheerio.load(html);
+  const items = [];
+
+  // Parse DuckDuckGo search result blocks
+  $('.result').each((_, el) => {
+    const title = $(el).find('.result__title a').text().trim();
+    const snippet = $(el).find('.result__snippet').text().trim();
+    let link = $(el).find('.result__url').attr('href') || $(el).find('.result__title a').attr('href') || '';
+
+    // Unpack direct URL if redirected
+    if (link.includes('uddg=')) {
+      const match = link.match(/uddg=([^&]+)/);
+      if (match) link = decodeURIComponent(match[1]);
+    }
+
+    const fullText = `${title} ${snippet}`;
+
+    // Identify store from link domain
+    let store = 'Online Retailer';
+    if (link.includes('amazon.')) store = 'Amazon India';
+    else if (link.includes('flipkart.')) store = 'Flipkart';
+    else if (link.includes('croma.')) store = 'Croma';
+    else if (link.includes('reliancedigital.')) store = 'Reliance Digital';
+    else if (link.includes('tatacliq.')) store = 'Tata CLiQ';
+    else if (link.includes('vijaysales.')) store = 'Vijay Sales';
+    else {
+      try {
+        const domain = new URL(link.startsWith('http') ? link : `https://${link}`).hostname;
+        store = domain.replace('www.', '');
+      } catch {}
+    }
+
+    // Match INR price patterns: ₹ 24,990 or Rs. 26,990
+    const priceMatch = fullText.match(/(?:₹|Rs\.?|INR)\s*([\d,]+(?:\.\d{2})?)/i);
+
+    if (priceMatch && title) {
+      const num = parseFloat(priceMatch[1].replace(/,/g, ''));
+      // Filter out irrelevant low-priced accessories (< ₹1,000) or erroneous values
+      if (num >= 1000 && num <= 500000) {
+        items.push({
+          title,
+          store,
+          price: num,
+          link: link.startsWith('http') ? link : 'https://' + link
+        });
+      }
+    }
+  });
+
+  // Filter out accessories (cases, ear pads, covers)
+  const keywords = query.toLowerCase().split(' ');
+  const relevant = items.filter(item => {
+    const t = item.title.toLowerCase();
+    const isAccessory = t.includes('case only') || t.includes('cover') || t.includes('cushion') || t.includes('earpad');
+    return keywords.every(kw => t.includes(kw)) && !isAccessory;
+  });
+
+  const finalPool = relevant.length > 0 ? relevant : items;
+
+  if (finalPool.length === 0) {
+    console.log("\n❌ Could not find exact listings with clear prices. Try searching: 'Sony WH-1000XM5'");
+    return;
+  }
+
+  // Sort by price ascending
+  finalPool.sort((a, b) => a.price - b.price);
+
+  const lowest = finalPool[0];
+  const highest = finalPool[finalPool.length - 1];
+
+  console.log("\n=======================================================");
+  console.log(`               PRICING ANALYSIS REPORT                 `);
+  console.log("=======================================================");
+  console.log(`Product:           ${query}`);
+  console.log(`Sources Found:     ${finalPool.length} verified sellers`);
+  console.log("-------------------------------------------------------");
+  console.log(`🟢 LOWEST PRICE:   ₹ ${lowest.price.toLocaleString('en-IN')}`);
+  console.log(`   Seller:         ${lowest.store}`);
+  console.log(`   Title:          ${lowest.title}`);
+  console.log(`   Product Link:   ${lowest.link}`);
+  console.log("-------------------------------------------------------");
+  console.log(`🔴 HIGHEST PRICE:  ₹ ${highest.price.toLocaleString('en-IN')}`);
+  console.log(`   Seller:         ${highest.store}`);
+  console.log("=======================================================\n");
+}
+
+const userQuery = process.argv.slice(2).join(' ') || 'Sony WH-1000XM5';
+analyzeProduct(userQuery);