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# to you under the Apache License, Version 2.0 (the
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#
#   http://www.apache.org/licenses/LICENSE-2.0
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from typing import Optional

from airflow.exceptions import AirflowException
from airflow.providers.tableau.hooks.tableau import TableauHook, TableauJobFinishCode
from airflow.sensors.base import BaseSensorOperator
from airflow.utils.decorators import apply_defaults


class TableauJobFailedException(AirflowException):
    """An exception that indicates that a Job failed to complete."""


class TableauJobStatusSensor(BaseSensorOperator):
    """
    Watches the status of a Tableau Server Job.

    .. seealso:: https://tableau.github.io/server-client-python/docs/api-ref#jobs

    :param job_id: The job to watch.
    :type job_id: str
    :param site_id: The id of the site where the workbook belongs to.
    :type site_id: Optional[str]
    :param tableau_conn_id: The Tableau Connection id containing the credentials
        to authenticate to the Tableau Server.
    :type tableau_conn_id: str
    """

    template_fields = ("job_id",)

    @apply_defaults
    def __init__(
        self,
        *,
        job_id: str,
        site_id: Optional[str] = None,
        tableau_conn_id: str = "tableau_default",
        **kwargs,
    ) -> None:
        super().__init__(**kwargs)
        self.tableau_conn_id = tableau_conn_id
        self.job_id = job_id
        self.site_id = site_id

    def poke(self, context: dict) -> bool:
        """
        Pokes until the job has successfully finished.

        :param context: The task context during execution.
        :type context: dict
        :return: True if it succeeded and False if not.
        :rtype: bool
        """
        with TableauHook(self.site_id, self.tableau_conn_id) as tableau_hook:
            finish_code = TableauJobFinishCode(
                int(tableau_hook.server.jobs.get_by_id(self.job_id).finish_code)
            )
            self.log.info(
                "Current finishCode is %s (%s)", finish_code.name, finish_code.value
            )
            if finish_code in [
                TableauJobFinishCode.ERROR,
                TableauJobFinishCode.CANCELED,
            ]:
                raise TableauJobFailedException(
                    "The Tableau Refresh Workbook Job failed!"
                )
            return finish_code == TableauJobFinishCode.SUCCESS