import streamlit as st
from tensorflow.keras.models import load_model
from tensorflow.keras.layers import DepthwiseConv2D
from PIL import Image, ImageOps
import numpy as np

# Optional: Patch DepthwiseConv2D if needed
class PatchedDepthwiseConv2D(DepthwiseConv2D):
    def _init_(self, *args, groups=1, **kwargs):
        super()._init_(*args, **kwargs)

# Load model
model = load_model(r"keras_model.h5", compile=False, custom_objects={"DepthwiseConv2D": PatchedDepthwiseConv2D})

# Load class labels
with open(r"labels.txt", "r") as f:
    class_names = f.readlines()

st.title("♻ Garbage Classification Predictor")

# Upload image
uploaded_file = st.file_uploader("Upload a waste image (jpg, png)", type=["jpg", "jpeg", "png"])

if st.button("🧪 Predict Waste Type"):
    if uploaded_file is not None:
        image = Image.open(uploaded_file)
        st.image(image, use_container_width=True)


        # Preprocess image
        image = image.convert("RGB")
        image = ImageOps.fit(image, (224, 224), Image.Resampling.LANCZOS)
        image_array = np.asarray(image)
        normalized_image_array = (image_array.astype(np.float32) / 127.5) - 1
        data = np.ndarray(shape=(1, 224, 224, 3), dtype=np.float32)
        data[0] = normalized_image_array

        # Make prediction
        prediction = model.predict(data)
        index = np.argmax(prediction)
        predicted_label = class_names[index].strip()
        confidence = prediction[0][index]

        # Display result
        st.success(f"Predicted Waste Type: *{predicted_label.upper()}*")
        st.write(f"Confidence Score: *{confidence:.2f}*")
        st.write("♻ Dispose responsibly!")
    else:
        st.warning("⚠ Please upload an image before predicting.")
# 🔚 Footer
st.markdown("---")
st.markdown("<p style='text-align: center; font-size: 18px;'>Developed with ❤ By Twinkle Ghangare for EDUNET FOUNDATION </p>", unsafe_allow_html=True)