This directory contains the backend code for the WhatsApp Wikipedia Bot.

• GET /webhook - Verification endpoint for WhatsApp webhook setup
• POST /webhook - Receives incoming WhatsApp messages

All admin endpoints require an API key to be sent in the X-API-Key header.

• GET /admin/topics - Get all available topics
• POST /admin/facts - Add a new fact
  • Required fields: topic, content
  • Optional fields: source
• POST /admin/audio - Add a new audio clip
  • Required fields: title, url, topic
  • Optional fields: description, duration
• POST /admin/video - Add a new video clip
  • Required fields: title, url, topic
  • Optional fields: description, duration
• DELETE /admin/facts/:id - Delete a fact
• DELETE /admin/audio/:id - Delete an audio clip
• DELETE /admin/video/:id - Delete a video clip

• GET /health - Check if the service is running

• WHATSAPP_VERIFY_TOKEN - Token for WhatsApp webhook verification
• WHATSAPP_TOKEN - WhatsApp Business API token
• WHATSAPP_PHONE_NUMBER_ID - WhatsApp phone number ID
• ADMIN_API_KEY - API key for admin endpoints

The application uses SQLite for storage with the following tables:

• whatsapp_wiki_users_v1 - User information and preferences
• whatsapp_wiki_facts_v1 - Fun facts
• whatsapp_wiki_audio_v1 - Audio clips
• whatsapp_wiki_video_v1 - Video clips