app.py

from mistralai import Mistral
import gradio as gr
import os
from datetime import datetime
api_key = os.environ["MISTRAL_API_KEY"]
model = "mistral-large-latest"
client = Mistral(api_key=api_key)
def interaction_check(prompt):
    """
    Check for drug interactions and provide pharmacist guidance
    """
    try:
        # Input validation
        if not prompt or prompt.strip() == "":
            return "⚠️ Please enter your medications or questions about drug interactions."

        if len(prompt.strip()) < 5:
            return "⚠️ Please provide more details about your medications for a proper assessment."

        # Enhanced system prompt with better instructions
        system_prompt = f"""You are a knowledgeable pharmacist assistant specializing in drug interaction detection and medication safety.

Your responsibilities:
1. Analyze potential drug interactions from the user's medication list
2. Identify contraindications and warnings
3. Provide clear, actionable advice
4. Always recommend consulting with a licensed pharmacist or healthcare provider
5. Use appropriate medical terminology while remaining accessible
6. Structure your response clearly with sections if multiple interactions are found

Important guidelines:
- Always emphasize that this is preliminary guidance only
- Recommend professional consultation for all medication concerns
- Be specific about interaction severity (minor, moderate, major)
- Include timing recommendations when relevant
- Mention food interactions if applicable
- Note any special monitoring requirements

Format your response with clear sections and use emojis for visual clarity where appropriate."""

        chat_response = client.chat.complete(
            model=model,
            messages=[
                {
                    "role": "system",
                    "content": system_prompt
                },
                {
                    "role": "user",
                    "content": f"Please analyze the following for drug interactions: {prompt}",
                },
            ],
            temperature=0.1,  # Lower temperature for more consistent medical advice
            max_tokens=1000   # Ensure comprehensive responses
        )

        response = chat_response.choices[0].message.content

        # Add disclaimer footer
        disclaimer = "\n\n---\n⚠️ **IMPORTANT DISCLAIMER**: This information is for educational purposes only and should not replace professional medical advice. Always consult with a licensed pharmacist or healthcare provider before making any changes to your medications."

        return response + disclaimer

    except Exception as e:
        error_msg = f"❌ **Error occurred**: {str(e)}\n\nPlease try again or contact support if the issue persists."
        return error_msg

def clear_inputs():
    """Clear the input field"""
    return ""

def get_example_interactions():
    """Return example drug interaction queries"""
    examples = [
        "I'm taking warfarin and my doctor prescribed ibuprofen for pain. Are there any interactions?",
        "Can I take omeprazole with clopidogrel? I have both prescribed.",
        "I'm on metformin for diabetes and want to know if it's safe with alcohol",
        "Taking lisinopril and potassium supplements - any concerns?",
        "I have simvastatin and clarithromycin prescribed together"
    ]
    return examples

# Custom CSS for better styling
custom_css = """
#warning {
    background-color: #667eea;
    border: 1px solid #ffeaa7;
    border-radius: 8px;
    padding: 16px;
    margin: 10px 0;
}

#main-container {
    max-width: 900px;
    margin: 0 auto;
}

.gradio-container {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

#submit-btn {
    background: linear-gradient(45deg, #667eea 0%, #764ba2 100%);
    border: none;
    color: white;
    font-weight: bold;
}

#clear-btn {
    background-color: #6c757d;
    border: none;
    color: white;
}
"""

# Create the Gradio interface
with gr.Blocks(css=custom_css, title="💊 PharmaSafe - Drug Interaction Checker") as demo:

    with gr.Column(elem_id="main-container"):
        # Header
        gr.Markdown(
            """
            # 💊 💊 PharmaSafe - Drug Interaction Checker

            Get preliminary guidance on potential drug interactions and medication safety concerns.
            This tool helps identify possible interactions between medications.
            """,
            elem_id="header"
        )

        # Warning notice
        gr.Markdown(
            """
            ⚠️ **MEDICAL DISCLAIMER**: This tool provides educational information only.
            Always consult with a licensed pharmacist, doctor, or healthcare provider
            before making any decisions about your medications.
            """,
            elem_id="warning"
        )

        with gr.Row():
            with gr.Column(scale=2):
                # Input section
                gr.Markdown("### Enter Your Medications or Questions")

                medication_input = gr.Textbox(
                    label="Medications & Questions",
                    placeholder="Example: I'm taking warfarin and ibuprofen. Are there any interactions I should know about?",
                    lines=4,
                    max_lines=8
                )

                with gr.Row():
                    submit_btn = gr.Button("🔍 Check Interactions", variant="primary", elem_id="submit-btn")
                    clear_btn = gr.Button("🗑️ Clear", elem_id="clear-btn")

            with gr.Column(scale=1):
                # Examples section
                gr.Markdown("### Example Questions")
                example_queries = get_example_interactions()
                for i, example in enumerate(example_queries[:3]):  # Show first 3 examples
                    gr.Markdown(f"**Example {i+1}:** {example}")

        # Output section
        gr.Markdown("### 📋 Analysis Results")
        output_display = gr.Markdown(
            value="Enter your medications above and click 'Check Interactions' to get started.",
            elem_id="output"
        )

        # Usage tips
        with gr.Accordion("💡 Usage Tips", open=False):
            gr.Markdown(
                """
                **For best results:**
                - List all medications you're taking (prescription and over-the-counter)
                - Include dosages if known
                - Mention any supplements or herbal products
                - Be specific about your concerns
                - Include timing of when you take each medication

                **This tool can help with:**
                - Drug-drug interactions
                - Food-drug interactions
                - Timing recommendations
                - General medication safety concerns

                **Remember:** Always verify with a healthcare professional!
                """
            )

        # Event handlers
        submit_btn.click(
            fn=interaction_check,
            inputs=medication_input,
            outputs=output_display
        )

        clear_btn.click(
            fn=clear_inputs,
            outputs=medication_input
        )

        medication_input.submit(
            fn=interaction_check,
            inputs=medication_input,
            outputs=output_display
        )

# Add footer with timestamp
footer_text = f"Last updated: {datetime.now().strftime('%Y-%m-%d %H:%M:%S')}"

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