import gradio as gr
from PIL import Image
from datetime import datetime
from ocr_engine import extract_weight

def process_image(image):
    if image is None:
        return "No image provided", None, None
    weight = extract_weight(image)
    now = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
    return f"{weight} grams", now, image

with gr.Blocks() as demo:
    gr.Markdown("## 📷 Auto Weight Logger — OCR-Based Smart Scale Reader")
    gr.Markdown("Upload or capture a digital scale snapshot. This app detects the weight using OCR.")

    image_input = gr.Image(type="pil", label="📁 Upload or Capture Image")

    detect_btn = gr.Button("🚀 Detect Weight")

    with gr.Row():
        weight_out = gr.Textbox(label="Detected Weight")
        time_out = gr.Textbox(label="Captured At (IST)")

    snapshot = gr.Image(label="Snapshot")

    detect_btn.click(fn=process_image, inputs=image_input, outputs=[weight_out, time_out, snapshot])

demo.launch()