import numpy as np
import cv2
import gradio as gr

def detect_faces(image_file):
    image_np = cv2.imread(image_file.name)
    gray_image = cv2.cvtColor(image_np, cv2.COLOR_RGB2GRAY)
    face_cascade = cv2.CascadeClassifier(cv2.data.haarcascades + "haarcascade_frontalface_default.xml")
    faces = face_cascade.detectMultiScale(gray_image, scaleFactor=1.1, minNeighbors=5, minSize=(10, 10))
    if len(faces) > 0:
        print("Face detected!")
    else:
        print("No faces detected.")
    for (x, y, w, h) in faces:
        cv2.rectangle(image_np, (x, y), (x+w, y+h), (0, 255, 0), 2)
    return image_np
    
interface = gr.Interface(
    fn=detect_faces,
    inputs="file",
    outputs="image",
    title="Face Detection with Haar Cascade",
    description="Upload an image file, and the model will detect faces and draw bounding boxes around them.",
)
interface.launch()