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#
#   http://www.apache.org/licenses/LICENSE-2.0
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from __future__ import annotations

from airflow.providers.elasticsearch.version_compat import AIRFLOW_V_3_3_PLUS
from airflow.utils.log.json_formatter import JSONFormatter


class ElasticsearchJSONFormatter(JSONFormatter):
    """Convert a log record to JSON with ISO 8601 date and time format."""

    default_time_format = "%Y-%m-%dT%H:%M:%S"
    default_msec_format = "%s.%03d"
    default_tz_format = "%z"

    def formatTime(self, record, datefmt=None):
        """Return the creation time of the LogRecord in ISO 8601 date/time format in the local time zone."""
        if AIRFLOW_V_3_3_PLUS:
            from airflow.sdk import timezone

            dt = timezone.from_timestamp(record.created, tz="local")
        else:
            # TODO: Remove this fallback when the minimum Airflow version is 3.3.0
            from datetime import datetime

            import pendulum

            dt = datetime.fromtimestamp(record.created, tz=pendulum.local_timezone())

        s = dt.strftime(datefmt or self.default_time_format)
        if self.default_msec_format:
            s = self.default_msec_format % (s, record.msecs)
        if self.default_tz_format:
            s += dt.strftime(self.default_tz_format)
        return s
