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#  Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance     #
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#   http://www.apache.org/licenses/LICENSE-2.0                                                                        #
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from tenacity import retry, retry_if_exception_type, stop_after_attempt

from shared.helpers import get_quicksight_client
from shared.logging import get_logger
from shared.quicksight_custom_resources.util.quicksight_resource import (
    QuickSightResource,
    QuickSightFailure,
)

logger = get_logger(__name__)


class DataSet(QuickSightResource):
    def __init__(
        self,
        quicksight_application=None,
        data_source=None,
        data_set_name=None,
        data_set_sub_type=None,
        props=None,
    ):
        super().__init__(quicksight_application=quicksight_application, props=props)
        self.type = "dataset"
        self.use_props_with_sub_type(props, data_set_sub_type)

        self.data_source = data_source
        self.data_set_sub_type = data_set_sub_type

        # override these to set schema/ table name directly
        self.schema = None
        self.table_name = None

        self.config_data = dict()
        self._load_config(
            self.type,
            quicksight_application.get_supported_data_set_sub_types(),
            self.config_data,
        )

    def create(self):
        if not self.data_source:
            raise ValueError("missing datasource value when creating dataset")
        logger.info(f"creating quicksight dataset id:{self.id}")
        physical_table_map = self._get_map(self.data_set_sub_type, "PhysicalTableMap")
        logical_table_map = self._get_map(self.data_set_sub_type, "LogicalTableMap")

        response = self._create_data_set(physical_table_map, logical_table_map)
        return response

    def delete(self):
        logger.info(f"deleting quicksight dataset id:{self.id}")
        quicksight_client = get_quicksight_client()

        response = quicksight_client.delete_data_set(
            AwsAccountId=self.aws_account_id, DataSetId=self.id
        )
        logger.info(
            f"finished deleting quicksight dataset for id:{self.id}, "
            f"response:{response}"
        )

        self.arn = response["Arn"]
        return response

    @retry(retry=retry_if_exception_type(QuickSightFailure), stop=stop_after_attempt(3))
    def _create_data_set(self, physical_table_map, logical_table_map):
        quicksight_client = get_quicksight_client()

        self._update_data_source_arn(physical_table_map)
        self._update_schema_arn(physical_table_map)
        self._update_table_name(physical_table_map)

        self.data_source.update()
        try:
            response = quicksight_client.create_data_set(
                AwsAccountId=self.aws_account_id,
                DataSetId=self.id,
                Name=self.name,
                Permissions=self._get_permissions(),
                PhysicalTableMap=physical_table_map,
                LogicalTableMap=logical_table_map,
                ImportMode="DIRECT_QUERY",  # TODO: support SPICE
            )
            logger.info(
                f"finished creating quicksight create_data_set id:{self.id}, "
                f"response:{response}"
            )
        except quicksight_client.exceptions.ResourceExistsException:
            logger.info(f"dataset for id:{self.id} already exists")
            response = quicksight_client.describe_data_set(
                AwsAccountId=self.aws_account_id, DataSetId=self.id
            )
            response = response["DataSet"]
        except quicksight_client.exceptions.InvalidParameterValueException as exc:
            logger.error(str(exc))
            raise QuickSightFailure()

        self.arn = response["Arn"]
        return response

    def _get_permissions(self):
        # The principal is the owner of the resource and create the resources and is given full actions for the type
        permissions = [
            {
                "Principal": self.principal_arn,
                "Actions": [
                    "quicksight:DescribeDataSet",
                    "quicksight:DescribeDataSetPermissions",
                    "quicksight:PassDataSet",
                    "quicksight:DescribeIngestion",
                    "quicksight:ListIngestions",
                    "quicksight:UpdateDataSet",
                    "quicksight:DeleteDataSet",
                    "quicksight:CreateIngestion",
                    "quicksight:CancelIngestion",
                    "quicksight:UpdateDataSetPermissions",
                ],
            }
        ]
        return permissions

    def _update_table_name(self, obj):
        for (key, value) in obj.items():
            logger.debug(
                f"Updating table name value of RelationalTable.Name in {key} PhysicalTableMap"
            )
            value["RelationalTable"]["Name"] = self.table_name

    def _update_schema_arn(self, obj):
        for (key, value) in obj.items():
            logger.debug(
                f"Updating schema arn value of RelationalTable.Schema in {key} PhysicalTableMap"
            )
            value["RelationalTable"]["Schema"] = self.schema

    def _update_data_source_arn(self, obj):
        for (key, value) in obj.items():
            logger.debug(
                f"Updating datasource arn value of RelationalTable.DataSourceArn in {key} PhysicalTableMap"
            )
            value["RelationalTable"]["DataSourceArn"] = self.data_source.arn