import gradio as gr

def calculate_cgpa(grades, credit_hours):
    total_points = 0
    total_credits = 0

    for grade, credits in zip(grades, credit_hours):
        # Convert grade to grade point based on the provided scale
        if grade == 'O':
            grade_point = 10
        elif grade == 'A+':
            grade_point = 9
        elif grade == 'A':
            grade_point = 8
        elif grade == 'B+':
            grade_point = 7
        elif grade == 'B':
            grade_point = 6
        elif grade == 'C':
            grade_point = 5
        elif grade in ['F', 'W', 'I', 'Ab']:
            grade_point = 0
        else:
            print(f"Unknown grade '{grade}' encountered. Skipping...")
            continue
        
        # Accumulate total points and total credits
        total_points += grade_point * credits
        total_credits += credits

    # Calculate CGPA
    if total_credits == 0:
        return 0.0

    cgpa = total_points / total_credits
    return round(cgpa, 2)

def cgpa_calculator_interface(course_data):
    try:
        grades = []
        credit_hours = []
        for course in course_data:
            grade = course['grade']
            credits = int(course['credits'])
            grades.append(grade)
            credit_hours.append(credits)

        cgpa = calculate_cgpa(grades, credit_hours)
        return f"Your CGPA is: {cgpa}"
    except ValueError:
        return "Invalid input. Please ensure all credit hours are integers."
iface = gr.Interface(
    cgpa_calculator_interface,
    inputs = ["textbox", "textbox"],
    gr.Label(label="Add Course"),
    #debug=True,
    #title="CGPA Calculator"
    outputs  = "textbox"
)

iface.launch()