"""Module provider for rage4"""
from __future__ import absolute_import

import json
import logging

import requests

from lexicon.providers.base import Provider as BaseProvider

LOGGER = logging.getLogger(__name__)

NAMESERVER_DOMAINS = ["rage4.com"]


def provider_parser(subparser):
    """Configure provider parser for rage4"""
    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 rage4"""

    def __init__(self, config):
        super(Provider, self).__init__(config)
        self.domain_id = None
        self.api_endpoint = "https://rage4.com/rapi"

    def _authenticate(self):

        payload = self._get("/getdomainbyname/", {"name": self.domain})

        if not payload["id"]:
            raise Exception("No domain found")

        self.domain_id = payload["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

        record = {
            "id": self.domain_id,
            "name": self._full_name(name),
            "content": content,
            "type": rtype,
        }
        if self._get_lexicon_option("ttl"):
            record["ttl"] = self._get_lexicon_option("ttl")

        payload = {}
        try:
            payload = self._post("/createrecord/", {}, record)
        except requests.exceptions.HTTPError as error:
            # http 400 is ok here, because the record probably already exists
            if error.response.status_code != 400:
                raise

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

    # 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 = {"id": self.domain_id}
        if name:
            filter_query["name"] = self._full_name(name)
        payload = self._get("/getrecords/", filter_query)

        records = []
        for record in payload:
            processed_record = {
                "type": record["type"],
                "name": record["name"],
                "ttl": record["ttl"],
                "content": record["content"],
                "id": record["id"],
            }
            records.append(processed_record)

        if rtype:
            records = [record for record in records if record["type"] == rtype]
        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 = {"id": identifier}

        if name:
            data["name"] = self._full_name(name)
        if content:
            data["content"] = content
        if self._get_lexicon_option("ttl"):
            data["ttl"] = self._get_lexicon_option("ttl")
        # if rtype:
        #     raise 'Type updating is not supported by this provider.'

        payload = self._put("/updaterecord/", {}, data)

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

    # 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._post("/deleterecord/", {"id": record_id})

        # is always True at this point, if a non 200 response is returned an error is raised.
        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 = {}

        default_headers = {
            "Accept": "application/json",
            "Content-Type": "application/json",
        }
        default_auth = requests.auth.HTTPBasicAuth(
            self._get_provider_option("auth_username"),
            self._get_provider_option("auth_token"),
        )

        response = requests.request(
            action,
            self.api_endpoint + url,
            params=query_params,
            data=json.dumps(data),
            headers=default_headers,
            auth=default_auth,
        )
        # if the request fails for any reason, throw an error.
        response.raise_for_status()
        return response.json()
