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"""This module contains CloudFormation create/delete stack operators."""
from typing import List, Optional

from airflow.models import BaseOperator
from airflow.providers.amazon.aws.hooks.cloud_formation import AWSCloudFormationHook
from airflow.utils.decorators import apply_defaults


class CloudFormationCreateStackOperator(BaseOperator):
    """
    An operator that creates a CloudFormation stack.

    :param stack_name: stack name (templated)
    :type stack_name: str
    :param params: parameters to be passed to CloudFormation.

        .. seealso::
            https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/cloudformation.html#CloudFormation.Client.create_stack
    :type params: dict
    :param aws_conn_id: aws connection to uses
    :type aws_conn_id: str
    """

    template_fields: List[str] = ["stack_name"]
    template_ext = ()
    ui_color = "#6b9659"

    @apply_defaults
    def __init__(
        self,
        *,
        stack_name: str,
        params: dict,
        aws_conn_id: str = "aws_default",
        **kwargs
    ):
        super().__init__(**kwargs)
        self.stack_name = stack_name
        self.params = params
        self.aws_conn_id = aws_conn_id

    def execute(self, context):
        self.log.info("Parameters: %s", self.params)

        cloudformation_hook = AWSCloudFormationHook(aws_conn_id=self.aws_conn_id)
        cloudformation_hook.create_stack(self.stack_name, self.params)


class CloudFormationDeleteStackOperator(BaseOperator):
    """
    An operator that deletes a CloudFormation stack.

    :param stack_name: stack name (templated)
    :type stack_name: str
    :param params: parameters to be passed to CloudFormation.

        .. seealso::
            https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/cloudformation.html#CloudFormation.Client.delete_stack
    :type params: dict
    :param aws_conn_id: aws connection to uses
    :type aws_conn_id: str
    """

    template_fields: List[str] = ["stack_name"]
    template_ext = ()
    ui_color = "#1d472b"
    ui_fgcolor = "#FFF"

    @apply_defaults
    def __init__(
        self,
        *,
        stack_name: str,
        params: Optional[dict] = None,
        aws_conn_id: str = "aws_default",
        **kwargs
    ):
        super().__init__(**kwargs)
        self.params = params or {}
        self.stack_name = stack_name
        self.aws_conn_id = aws_conn_id

    def execute(self, context):
        self.log.info("Parameters: %s", self.params)

        cloudformation_hook = AWSCloudFormationHook(aws_conn_id=self.aws_conn_id)
        cloudformation_hook.delete_stack(self.stack_name, self.params)