# endpoints/nodes.py
from flask import Blueprint, request, jsonify
from app import get_driver, neo4j_logger

bp = Blueprint('nodes', __name__)

@bp.route('/nodes', methods=['GET', 'POST'])
def nodes():
    if request.method == 'GET':
        return get_nodes()
    elif request.method == 'POST':
        return create_node()

def get_nodes():
    node_type = request.args.get('type')

    if not node_type:
        return jsonify({"error": "Node type is required"}), 400

    # Get the filter parameter
    filter_property = request.args.get('filter')

    driver = get_driver()
    with driver.session() as session:
        query = f"MATCH (n:{node_type}) RETURN n"
        neo4j_logger.info(f"Executing query: {query}")
        nodes = session.run(query)

        # Convert the nodes to a list of dictionaries
        nodes_list = [
            {
                'id': record['n'].id,
                'labels': list(record['n'].labels),
                **{key: value for key, value in record['n'].items()}
            }
            for record in nodes
        ]

    if filter_property:
        # Filter the results to only include the specified property
        filtered_nodes_list = [{filter_property: node.get(filter_property)} for node in nodes_list]
        return jsonify({"nodes": filtered_nodes_list})

    return jsonify({"nodes": nodes_list})

def create_node():
    data = request.get_json()
    if not data:
        return jsonify({"error": "No data provided"}), 400

    node_type = data.pop('type', None)
    if not node_type:
        return jsonify({"error": "Node type is required in JSON data"}), 400

    properties = ', '.join([f'{key}: "${key}"' for key in data])
    query = f"CREATE (n:{node_type} {{{properties}}}) RETURN n"

    driver = get_driver()
    with driver.session() as session:
        neo4j_logger.info(f"Executing query: {query} with data: {data}")
        result = session.run(query, **data)

        # Convert the created node to a dictionary
        new_node = {
            'id': result.single()['n'].id,
            'labels': list(result.single()['n'].labels),
            **{key: value for key, value in result.single()['n'].items()}
        }

    return jsonify(new_node), 201