app.py

import gradio as gr
from groq import Groq
import os
from PIL import Image, ImageDraw, ImageFont
from datetime import datetime
import json
import tempfile

# Initialize Groq client
client = Groq(
    api_key=os.getenv("GROQ_API_KEY")
)

class QuizApp:
    def __init__(self):
        self.current_questions = []
        self.current_answers = []
        self.user_data = {}
    
    def generate_questions(self, text, num_questions):
        prompt = f"""Create {num_questions} multiple choice questions based on this text:
        {text}
        
        Each question should:
        1. Have a clear, concise question text
        2. Have exactly 4 options
        3. Have only one correct answer
        4. Be educational and test understanding
        
        Return in this exact JSON format:
        [
            {{
                "question": "What is the main topic discussed?",
                "options": [
                    "Correct answer",
                    "Wrong answer 1",
                    "Wrong answer 2",
                    "Wrong answer 3"
                ],
                "correct_answer": 0
            }}
        ]"""
        
        try:
            response = client.chat.completions.create(
                messages=[
                    {"role": "system", "content": "You are a quiz generator that creates clear, single-choice questions."},
                    {"role": "user", "content": prompt}
                ],
                model="llama-3.2-3b-preview",
                temperature=0.5,
                max_tokens=2048
            )
            
            response_text = response.choices[0].message.content.strip()
            response_text = response_text.replace("```json", "").replace("```", "").strip()
            
            questions = json.loads(response_text)
            self.current_questions = questions
            return questions
            
        except Exception as e:
            print(f"Error generating questions: {e}")
            return []

    def calculate_score(self, answers):
        if not answers or not self.current_questions:
            return 0
        
        total = len(self.current_questions)
        correct = sum(1 for q, a in zip(self.current_questions, answers) 
                     if q['correct_answer'] == a)
        return (correct / total) * 100

    def generate_certificate(self, name, score, course_name, company_logo=None, participant_photo=None):
        try:
            certificate = Image.new('RGB', (1200, 800), '#F0F8FF')
            draw = ImageDraw.Draw(certificate)
            
            try:
                title_font = ImageFont.truetype("arial.ttf", 60)
                text_font = ImageFont.truetype("arial.ttf", 40)
                subtitle_font = ImageFont.truetype("arial.ttf", 30)
            except:
                title_font = ImageFont.load_default()
                text_font = ImageFont.load_default()
                subtitle_font = ImageFont.load_default()
            
            # Add decorative border
            draw.rectangle([20, 20, 1180, 780], outline='#4682B4', width=3)
            
            # Draw certificate content
            draw.text((600, 100), "CertifyMe AI", font=title_font, fill='#4682B4', anchor="mm")
            draw.text((600, 160), "Certificate of Achievement", font=subtitle_font, fill='#4682B4', anchor="mm")
            draw.text((600, 300), "This is to certify that", font=text_font, fill='black', anchor="mm")
            draw.text((600, 380), name or "Participant", font=text_font, fill='#4682B4', anchor="mm")
            draw.text((600, 460), "has successfully completed", font=text_font, fill='black', anchor="mm")
            draw.text((600, 540), course_name or "Assessment", font=text_font, fill='#4682B4', anchor="mm")
            draw.text((600, 620), f"with a score of {score:.1f}%", font=text_font, fill='black', anchor="mm")
            
            current_date = datetime.now().strftime("%B %d, %Y")
            draw.text((600, 700), current_date, font=text_font, fill='black', anchor="mm")
            
            if company_logo is not None:
                try:
                    logo = Image.open(company_logo)
                    logo = logo.resize((150, 150))
                    certificate.paste(logo, (50, 50))
                except Exception as e:
                    print(f"Error adding logo: {e}")
            
            if participant_photo is not None:
                try:
                    photo = Image.open(participant_photo)
                    photo = photo.resize((150, 150))
                    certificate.paste(photo, (1000, 50))
                except Exception as e:
                    print(f"Error adding photo: {e}")
            
            temp_file = tempfile.NamedTemporaryFile(delete=False, suffix='.png')
            certificate.save(temp_file.name)
            return temp_file.name
        except Exception as e:
            print(f"Error generating certificate: {e}")
            return None

def create_quiz_interface():
    quiz_app = QuizApp()
    
    def generate_question_blocks(questions):
        blocks = []
        for i, q in enumerate(questions):
            with gr.Group():
                gr.Markdown(f"### Question {i+1}")
                gr.Markdown(q["question"])
                radio = gr.Radio(
                    choices=q["options"],
                    type="index",
                    label="Select your answer"
                )
                blocks.append(radio)
        return blocks

    def update_quiz(text, num_questions):
        questions = quiz_app.generate_questions(text, num_questions)
        if not questions:
            return [gr.Group(visible=False)], 1, []
        
        quiz_blocks = generate_question_blocks(questions)
        return quiz_blocks, 1, questions

    def calculate_final_score(answers, questions):
        score = quiz_app.calculate_score(answers)
        return score, 2

    with gr.Blocks(title="CertifyMe AI") as demo:
        current_tab = gr.State(0)
        current_questions = gr.State([])
        
        gr.Markdown("""
        # 🎓 CertifyMe AI
        ### Transform Your Knowledge into Recognized Achievements
        """)
        
        with gr.Tabs() as tabs:
            # Step 1: Profile Setup
            with gr.Tab("📋 Step 1: Profile Setup") as tab1:
                with gr.Row():
                    name = gr.Textbox(label="Full Name", placeholder="Enter your full name")
                    email = gr.Textbox(label="Email", placeholder="Enter your email")
                
                text_input = gr.Textbox(
                    label="Learning Content", 
                    placeholder="Enter the text content you want to be assessed on",
                    lines=10
                )
                
                with gr.Row():
                    num_questions = gr.Slider(
                        minimum=1, 
                        maximum=5,
                        value=3,
                        step=1,
                        label="Number of Questions"
                    )
                
                with gr.Row():
                    company_logo = gr.Image(label="Company Logo (Optional)", type="filepath")
                    participant_photo = gr.Image(label="Your Photo (Optional)", type="filepath")
                
                generate_btn = gr.Button("Generate Assessment", variant="primary")
            
            # Step 2: Take Assessment
            with gr.Tab("📝 Step 2: Take Assessment") as tab2:
                quiz_container = gr.Group()
                with quiz_container:
                    question_blocks = []
                submit_btn = gr.Button("Submit Assessment", variant="primary")
                gr.Markdown("### Answer all questions and click Submit to get your score")
            
            # Step 3: Get Certified
            with gr.Tab("🎓 Step 3: Get Certified") as tab3:
                score_display = gr.Number(label="Your Score", value=0)
                course_name = gr.Textbox(
                    label="Certification Title",
                    value="Professional Assessment Certification"
                )
                certificate_display = gr.Image(label="Your Certificate")
        
        # Event handlers
        generate_btn.click(
            fn=update_quiz,
            inputs=[text_input, num_questions],
            outputs=[quiz_container, current_tab, current_questions]
        ).then(
            fn=lambda tab: gr.Tabs(selected=tab),
            inputs=[current_tab],
            outputs=[tabs]
        )
        
        submit_btn.click(
            fn=calculate_final_score,
            inputs=[quiz_container, current_questions],
            outputs=[score_display, current_tab]
        ).then(
            fn=lambda tab: gr.Tabs(selected=tab),
            inputs=[current_tab],
            outputs=[tabs]
        )
        
        score_display.change(
            fn=lambda score, user_name, course, logo, photo: (
                quiz_app.generate_certificate(user_name, score, course, logo, photo)
                if score >= 80 else None
            ),
            inputs=[score_display, name, course_name, company_logo, participant_photo],
            outputs=certificate_display
        )
    
    return demo

if __name__ == "__main__":
    if not os.getenv("GROQ_API_KEY"):
        print("Please set your GROQ_API_KEY environment variable")
        exit(1)
    
    demo = create_quiz_interface()
    demo.launch()