"""
Knowledge Universe — JSON Format Adapter
Standard JSON output — default for AI system consumption.
"""

from typing import Any, Dict
from src.api.models import Source
from src.format_adapters.base_adapter import BaseFormatAdapter


class JSONFormatAdapter(BaseFormatAdapter):
    """
    Returns source as a clean JSON-serializable dictionary.
    Datetime fields are converted to ISO strings.
    Enum fields are converted to their string values.
    """

    def transform(self, source: Source) -> Dict[str, Any]:
        return source.model_dump(mode="json")

    def transform_many(self, sources: list) -> list:
        return [self.transform(s) for s in sources]