"""JSON Schema generation from parsed configurations."""

from typing import Any, Dict


def generate_schema(data: Any) -> Dict[str, Any]:
    """Generate a JSON Schema from a parsed configuration.

    Args:
        data: The parsed configuration data

    Returns:
        A dictionary representing the JSON Schema
    """
    schema: Dict[str, Any] = {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "type": _infer_type(data),
    }

    if isinstance(data, dict):
        schema["properties"] = {}
        for key, value in data.items():
            schema["properties"][key] = generate_schema(value)

    elif isinstance(data, list):
        if len(data) > 0:
            schema["items"] = generate_schema(data[0])
        else:
            schema["items"] = {"type": "string"}

    return schema


def _infer_type(data: Any) -> str:
    """Infer the JSON Schema type from a Python value."""
    if data is None:
        return "null"
    elif isinstance(data, bool):
        return "boolean"
    elif isinstance(data, int):
        return "integer"
    elif isinstance(data, float):
        return "number"
    elif isinstance(data, str):
        return "string"
    elif isinstance(data, list):
        return "array"
    elif isinstance(data, dict):
        return "object"
    else:
        return "string"