import streamlit as st
import random

# Sample questions (Replace or expand with full 50 questions)
questions = [
    {"subject": "Math", "question": "What is 12 × 3?", "options": ["36", "45", "24", "18"], "answer": "36"},
    {"subject": "Math", "question": "What is the half of 100?", "options": ["25", "50", "10", "100"], "answer": "50"},
    {"subject": "English", "question": "Choose the noun: The dog barked loudly.", "options": ["dog", "barked", "loudly", "the"], "answer": "dog"},
    {"subject": "English", "question": "What is the opposite of 'happy'?", "options": ["glad", "sad", "joy", "smile"], "answer": "sad"},
    {"subject": "Science", "question": "What do plants need for photosynthesis?", "options": ["Sunlight", "Milk", "Sugar", "Salt"], "answer": "Sunlight"},
    {"subject": "Science", "question": "Which planet is called the Red Planet?", "options": ["Earth", "Mars", "Venus", "Jupiter"], "answer": "Mars"},
    # Add more questions here to reach 50
]

# Shuffle and limit to 50
random.shuffle(questions)
questions = questions[:50]

st.title("Grade 5 Online Test")
st.markdown("Please answer the following 50 questions:")

score = 0
user_answers = []

with st.form("test_form"):
    for i, q in enumerate(questions):
        user_input = st.radio(f"{i+1}. ({q['subject']}) {q['question']}", q["options"], key=i)
        user_answers.append({"question": q["question"], "correct": q["answer"], "user": user_input})
    submitted = st.form_submit_button("Submit")

if submitted:
    score = sum(1 for ans in user_answers if ans["user"] == ans["correct"])
    st.success(f"Your score is {score} out of {len(questions)}.")
    st.progress(score / len(questions))