app.py

import gradio as gr
import openai
import os
from dotenv import load_dotenv

# Load environment variables
load_dotenv()

# Initialize OpenAI
try:
    from openai import OpenAI
    client = OpenAI(api_key=os.getenv("OPENAI_API_KEY").strip())
    new_openai = True
except ImportError:
    openai.api_key = os.getenv("OPENAI_API_KEY").strip()
    new_openai = False

def analyze_text(text):
    """Forensic analysis focusing on 3-5 biggest logical proofs"""
    if len(text.strip()) < 50:
        return "🔍Write Your Text here for Analysis!"
    
    prompt = f"""
    You are a Text Analyzer Anna with experience of 40 Years in this field, and you are an expert in  Analyzing Text, whether a text is written 
    by AI or not. Conduct a forensic analysis of this text and identify the 3-5 BIGGEST, MOST LOGICAL proofs 
    that definitively show whether it's human or AI-generated. Focus only on the most undeniable evidence.

    TEXT:
    {text}

    RESPONSE FORMAT:
    # 🔍 Ultimate Text Verdict

    ## 🎯 Top Irrefutable Proofs
    1. **Proof** (Human/AI): "[Exact quote]"  
       • **Why it's conclusive**: [Clear, logical explanation why this is impossible for AI/human to produce]

    2. **Proof** (Human/AI): "[Exact quote]"  
       • **Why it's conclusive**: [Bulletproof reasoning]

    3. **Proof** (Human/AI): "[Exact quote]"  
       • **Why it's conclusive**: [Air-tight argument]

    ## 🏁 Final Judgment
    **Verdict**: [Human/AI/Uncertain]  
    **Confidence**: [XX% certainty]  
    **Final Note**: "In today's AI era, while this analysis presents strong evidence, the possibility of error remains."
    """

    try:
        if new_openai:
            response = client.chat.completions.create(
                model="gpt-4",  # Using GPT-4 for stronger logical analysis
                messages=[
                    {"role": "system", "content": "You are a forensic expert who only identifies the most undeniable proofs."},
                    {"role": "user", "content": prompt}
                ],
                temperature=0.1,
                max_tokens=500
            )
            return response.choices[0].message.content
        else:
            response = openai.ChatCompletion.create(
                model="gpt-4",
                messages=[
                    {"role": "system", "content": "You are a forensic expert who only identifies the most undeniable proofs."},
                    {"role": "user", "content": prompt}
                ],
                temperature=0.1,
                max_tokens=500
            )
            return response['choices'][0]['message']['content']
    except Exception as e:
        return f"🔴 Analysis failed. Error: {str(e)}"

# Create Gradio interface
with gr.Blocks(theme=gr.themes.Soft(primary_hue="emerald")) as app:
    gr.Markdown("""# 🔬 AI/Human Text Forensic Analyzer""")
    
    with gr.Row():
        with gr.Column():
            input_text = gr.Textbox(label="📝 Text to Analyze", lines=7, 
                                  placeholder="Paste text (min 50 chars)...")
            analyze_btn = gr.Button("🧪 Get Definitive Proofs", variant="primary")
        
        with gr.Column():
            output_text = gr.Markdown(label="📜 Irrefutable Evidence Report")
    
    examples = [
        ["The way the moonlight danced... that's not something algorithms capture. It's in the imperfect pauses between words where humanity lives."],
        ["The optimal temperature for this chemical reaction is 37.5°C, with a tolerance of ±2°C. This falls within the expected range according to published studies."],
        ["Lol, idk why, but when I try to explain it just comes out all wrong? Like my brain and mouth ain't connected today smh"]
    ]
    
    gr.Examples(
        examples=examples,
        inputs=input_text,
        outputs=output_text,
        fn=analyze_text,
        label="💡 Try These Challenge Cases"
    )
    
    analyze_btn.click(analyze_text, inputs=input_text, outputs=output_text)

    gr.Markdown("""
    <div style="text-align: center; margin-top: 20px; color: #666;">
    <small>Analyzes only the most undeniable evidence • Confidence scores reflect logical certainty</small>
    </div>
    """)

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