"""Common test utils."""

import json
from typing import Any


def generate_event(
    path: str,
    method: str = 'GET',
    query_params: dict[str, Any] | None = None,
    body: dict[str, Any] | None = None,
    headers: dict[str, Any] | None = None,
) -> dict[str, Any]:
    """Generate lambda event."""
    if query_params:
        query_params = {k: str(v) for k, v in query_params.items() if v is not None}
    if headers:
        headers = {
            k.replace('_', '-'): str(v) for k, v in headers.items() if v is not None
        }

    return {
        'body': json.dumps(body) if body else None,
        'path': path,
        'httpMethod': method,
        'queryStringParameters': query_params,
        'headers': headers,
    }