from flask import Flask, request, jsonify, render_template

app = Flask(__name__)

@app.route('/product-recommendation', methods=['POST'])
def product_recommendation():
    """
    Endpoint for product recommendations based on natural language queries.
    Input: Form data containing 'query' (string).
    Output: JSON with 'products' (array of objects) and 'response' (string).
    """
    query = request.form.get('query', '')
    # Process the query to find matching products
    products = []  # Empty array, to be populated with product data
    response = ""  # Empty string, to be filled with a natural language response
    return jsonify({"products": products, "response": response})

@app.route('/ocr-query', methods=['POST'])
def ocr_query():
    """
    Endpoint to process handwritten queries extracted from uploaded images.
    Input: Form data containing 'image_data' (file, base64-encoded image or direct file upload).
    Output: JSON with 'products' (array of objects) and 'response' (string).
    """
    image_file = request.files.get('image_data')
    # Process the image to extract text and find matching products
    products = []  # Empty array, to be populated with product data
    response = ""  # Empty string, to be filled with a natural language response
    return jsonify({"products": products, "response": response})

@app.route('/image-product-search', methods=['POST'])
def image_product_search():
    """
    Endpoint to identify and suggest products from uploaded product images.
    Input: Form data containing 'product_image' (file, base64-encoded image or direct file upload).
    Output: JSON with 'products' (array of objects) and 'response' (string).
    """
    product_image = request.files.get('product_image')
    # Process the product image to detect and match products
    products = []  # Empty array, to be populated with product data
    response = ""  # Empty string, to be filled with a natural language response
    return jsonify({"products": products, "response": response})

@app.route('/sample_response', methods=['GET'])
def sample_response():
    """
    Endpoint to return a sample JSON response for the API.
    Output: JSON with 'products' (array of objects) and 'response' (string).
    """
    return render_template('sample_response.html')

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