from flask import Flask, request, jsonify
from handler import EndpointHandler
import torch

app = Flask(__name__)

# Initialize the handler
handler = EndpointHandler()

@app.route('/predict', methods=['POST'])
def predict():
    if 'file' not in request.files:
        return jsonify({'error': 'No file provided'}), 400
    
    file = request.files['file']
    if file.filename == '':
        return jsonify({'error': 'No file selected'}), 400
    
    # Read the file bytes
    image_bytes = file.read()
    
    # Get point prompts if provided
    point_coords = request.form.get('point_coords')
    point_labels = request.form.get('point_labels')
    
    # Process with handler
    try:
        if point_coords and point_labels:
            # Convert string inputs to lists
            point_coords = eval(point_coords)  # e.g. "[[500, 375]]"
            point_labels = eval(point_labels)  # e.g. "[1]"
            result = handler({
                'image': image_bytes,
                'point_coords': point_coords,
                'point_labels': point_labels
            })
        else:
            result = handler(image_bytes)
        return jsonify(result)
    except Exception as e:
        return jsonify({'error': str(e)}), 500

if __name__ == '__main__':
    app.run(debug=True, port=5000)