Automate Product Data Collection & Customer Support via WhatsApp + GPT-4 + Google Sheets

## 🔴 STEP 2 – Product Data Training (Triggered by train:)
Triggered when the message starts with `train:`.
**OpenAI API keys** : [Here](https://platform.openai.com/api-keys)












1. **Extract URL from Message**  
   Uses regex to detect and extract the product link.

2. **Fetch HTML Content**  
   Sends an HTTP request to retrieve the full page content.

3. **Clean HTML Data**  
   Strips HTML tags, scripts, and formats the text.

4. **Save Raw Product Info**  
   Appends the cleaned content and URL into Google Sheets.

5. **AI: Enhance Product Details**  
   - Extracts Product Name  
   - Detects Price (subscription or one-time)  
   - Identifies Product Topic  
   - Generates FAQs

6. **Update Product Sheet**  
   Enriches the row in Sheets with structured product data.