import threading
from json import loads

from pydantic import BaseModel

from lib.logger import logger
from providers.aws.aws_provider import generate_regional_clients


################################ SQS
class SQS:
    def __init__(self, audit_info):
        self.service = "sqs"
        self.session = audit_info.audit_session
        self.regional_clients = generate_regional_clients(self.service, audit_info)
        self.queues = []
        self.__threading_call__(self.__list_queues__)
        self.__get_queue_attributes__(self.regional_clients)

    def __get_session__(self):
        return self.session

    def __threading_call__(self, call):
        threads = []
        for regional_client in self.regional_clients.values():
            threads.append(threading.Thread(target=call, args=(regional_client,)))
        for t in threads:
            t.start()
        for t in threads:
            t.join()

    def __list_queues__(self, regional_client):
        logger.info("Redshift - describing queues...")
        try:
            list_queues_paginator = regional_client.get_paginator("list_queues")
            for page in list_queues_paginator.paginate():
                for queue in page["QueueUrls"]:
                    self.queues.append(
                        Queue(
                            id=queue,
                            region=regional_client.region,
                        )
                    )
        except Exception as error:
            logger.error(
                f"{regional_client.region} -- {error.__class__.__name__}[{error.__traceback__.tb_lineno}]: {error}"
            )

    def __get_queue_attributes__(self, regional_clients):
        try:
            for queue in self.queues:
                regional_client = regional_clients[queue.region]
                queue_attributes = regional_client.get_queue_attributes(
                    QueueUrl=queue.id
                )
                if (
                    "Attributes" in queue_attributes
                    and "Policy" in queue_attributes["Attributes"]
                ):
                    queue.policy = loads(queue_attributes["Attributes"]["Policy"])
                if "KmsMasterKeyId" in queue_attributes["Attributes"]:
                    queue.kms_key_id = queue_attributes["Attributes"]["KmsMasterKeyId"]

        except Exception as error:
            logger.error(
                f"{regional_client.region} -- {error.__class__.__name__}[{error.__traceback__.tb_lineno}]: {error}"
            )


class Queue(BaseModel):
    id: str
    arn: str = ""
    region: str
    policy: dict = None
    kms_key_id: str = None