"""Module provider for PointHQ"""
import json
import logging

import requests

from lexicon.exceptions import AuthenticationError
from lexicon.providers.base import Provider as BaseProvider

LOGGER = logging.getLogger(__name__)

NAMESERVER_DOMAINS = ["pointhq.com"]


def provider_parser(subparser):
    """Configure provider parser for PointHQ"""
    subparser.add_argument(
        "--auth-username", help="specify email address for authentication"
    )
    subparser.add_argument("--auth-token", help="specify token for authentication")


class Provider(BaseProvider):
    """Provider class for PointHQ"""

    def __init__(self, config):
        super(Provider, self).__init__(config)
        self.domain_id = None
        self.api_endpoint = "https://pointhq.com"

    def _authenticate(self):

        payload = self._get(f"/zones/{self.domain}")

        if not payload["zone"]:
            raise AuthenticationError("No domain found")

        self.domain_id = payload["zone"]["id"]

    # Create record. If record already exists with the same content, do nothing'
    def _create_record(self, rtype, name, content):
        # check if record already exists
        existing_records = self._list_records(rtype, name, content)
        if len(existing_records) == 1:
            return True

        payload = self._post(
            f"/zones/{self.domain_id}/records",
            {
                "zone_record": {
                    "record_type": rtype,
                    "name": self._relative_name(name),
                    "data": content,
                }
            },
        )

        LOGGER.debug("create_record: %s", payload["zone_record"])
        return bool(payload["zone_record"])

    # List all records. Return an empty list if no records found
    # type, name and content are used to filter records.
    # If possible filter during the query, otherwise filter after response is received.
    def _list_records(self, rtype=None, name=None, content=None):
        filter_query = {}
        if rtype:
            filter_query["record_type"] = rtype
        if name:
            filter_query["name"] = self._relative_name(name)

        payload = self._get(f"/zones/{self.domain_id}/records", filter_query)

        records = []
        for record in payload:
            processed_record = {
                "type": record["zone_record"]["record_type"],
                "name": self._full_name(record["zone_record"]["name"]),
                "ttl": record["zone_record"]["ttl"],
                "content": record["zone_record"]["data"],
                "id": record["zone_record"]["id"],
            }
            processed_record = self._clean_TXT_record(processed_record)
            records.append(processed_record)

        if content:
            records = [record for record in records if record["content"] == content]

        LOGGER.debug("list_records: %s", records)
        return records

    # Create or update a record.
    def _update_record(self, identifier, rtype=None, name=None, content=None):

        data = {}
        if rtype:
            data["record_type"] = rtype
        if name:
            data["name"] = self._relative_name(name)
        if content:
            data["data"] = content

        payload = self._put(
            f"/zones/{self.domain_id}/records/{identifier}", {"zone_record": data}
        )

        LOGGER.debug("update_record: %s", payload)
        return bool(payload["zone_record"])

    # Delete an existing record.
    # If record does not exist, do nothing.
    def _delete_record(self, identifier=None, rtype=None, name=None, content=None):
        delete_record_id = []
        if not identifier:
            records = self._list_records(rtype, name, content)
            delete_record_id = [record["id"] for record in records]
        else:
            delete_record_id.append(identifier)

        LOGGER.debug("delete_records: %s", delete_record_id)

        for record_id in delete_record_id:
            self._delete(f"/zones/{self.domain_id}/records/{record_id}")

        LOGGER.debug("delete_record: %s", True)
        return True

    # Helpers

    def _request(self, action="GET", url="/", data=None, query_params=None):
        if data is None:
            data = {}
        if query_params is None:
            query_params = {}
        response = requests.request(
            action,
            self.api_endpoint + url,
            params=query_params,
            data=json.dumps(data),
            auth=requests.auth.HTTPBasicAuth(
                self._get_provider_option("auth_username"),
                self._get_provider_option("auth_token"),
            ),
            headers={"Content-Type": "application/json", "Accept": "application/json"},
        )
        # if the request fails for any reason, throw an error.
        response.raise_for_status()
        return response.json()
