import numpy as np
import cv2
import gradio as gr
from PIL import Image

# Load Haar Cascade classifier
face_cascade = cv2.CascadeClassifier(cv2.data.haarcascades + "haarcascade_frontalface_default.xml")

# Face Detection Function
def detect_faces(image_np,slider):
    # Convert image to grayscale
    gray_image = cv2.cvtColor(image_np, cv2.COLOR_RGB2GRAY)

    # Detect faces
    faces = face_cascade.detectMultiScale(gray_image, scaleFactor=slider, minNeighbors=5, minSize=(30, 30))

    # Draw rectangles around faces
    for (x, y, w, h) in faces:
        cv2.rectangle(image_np, (x, y), (x + w, y + h), (0, 255, 0), 2)

    return image_np, len(faces)

# Create Gradio Interface
iface = gr.Interface(
    fn=detect_faces,
    inputs=["image",gr.Slider(minimum=1,maximum=2,step=.1,label= "adjust the scaleFactor")],
    outputs=["image",gr.Label("faces count")],
    title="Face Detection",
    description="Upload an image, and the model will detect faces and draw bounding boxes around them."
)

iface.launch()