"""Configuration for Jira Query Offboarding Tickets."""

import os

from pydantic import model_validator
from pydantic_settings import BaseSettings


class JiraConfig(BaseSettings):
    """Configuration for Jira client.

    Locally, set JIRA_API_TOKEN to the token value directly.
    In AWS Lambda, set JIRA_API_TOKEN to the Secrets Manager secret name;
    the token will be fetched from Secrets Manager at runtime.
    """

    jira_base_url: str
    jira_api_token: str
    jira_user_email: str

    @model_validator(mode='after')
    def _resolve_secrets(self) -> 'JiraConfig':
        """Fetch token from Secrets Manager when running in Lambda."""
        if not self.jira_api_token:
            raise ValueError('JIRA_API_TOKEN environment variable must be set')

        if os.environ.get('AWS_LAMBDA_FUNCTION_NAME'):
            from jira_client.secrets_manager import SecretsManagerClient

            try:
                self.jira_api_token = SecretsManagerClient().get_jira_api_token(
                    self.jira_api_token
                )
            except Exception as exc:
                raise ValueError(
                    'Failed to fetch Jira API token from Secrets Manager'
                ) from exc

        return self