app.py

import os
import gradio as gr
import requests

# Read GROQ API key from Hugging Face secret
GROQ_API_KEY = os.environ.get("Civil_Engineering_Terms_Explainer")

# Model to use (LLaMA3 recommended)
MODEL_NAME = "llama3-8b-8192"

# System prompt for civil engineering
SYSTEM_PROMPT = """You are a Civil Engineering Expert and Educator with deep knowledge of structural, geotechnical, transportation, water resources, and construction engineering. Your job is to explain technical civil engineering terms and concepts in a simplified way that is easy for students and beginners to understand.

🔹 Always explain the term in plain English.
🔹 Provide a real-world example or analogy (preferably related to common civil engineering scenarios in developing countries like Pakistan).
🔹 Keep your answer accurate, brief, and based on current engineering standards (like ACI, ASTM, AASHTO, BS, or Eurocodes).
🔹 Avoid unnecessary jargon unless needed, and define it clearly when used.
🔹 Format the output in the following way:
1. **Definition**
2. **Example/Analogy**
3. **Practical Use or Importance**

You must only answer questions related to civil engineering terms or topics. If someone asks something unrelated, politely redirect them to civil engineering."""

# Function to call Groq API
def ask_civil_engineering_bot(user_input):
    url = "https://api.groq.com/openai/v1/chat/completions"
    headers = {
        "Authorization": f"Bearer {GROQ_API_KEY}",
        "Content-Type": "application/json"
    }
    data = {
        "model": MODEL_NAME,
        "messages": [
            {"role": "system", "content": SYSTEM_PROMPT},
            {"role": "user", "content": user_input}
        ],
        "temperature": 0.7
    }

    response = requests.post(url, headers=headers, json=data)
    if response.status_code == 200:
        return response.json()["choices"][0]["message"]["content"]
    else:
        return f"❌ Error: {response.status_code}\n{response.text}"

# Gradio interface
demo = gr.Interface(
    fn=ask_civil_engineering_bot,
    inputs=gr.Textbox(lines=2, placeholder="Enter a civil engineering term like 'Slump Test'..."),
    outputs=gr.Markdown(),
    title="Civil Engineering Terms Explainer",
    description="🤖 Ask any technical civil engineering term and get a simple explanation with examples."
)

if __name__ == "__main__":
    demo.launch()