import json
from time import monotonic

from flask import current_app
from requests import request

from app.clients.email import EmailClient, EmailClientException


class AwsSesStubClientException(EmailClientException):
    pass


class AwsSesStubClient(EmailClient):
    def init_app(self, region, statsd_client, stub_url):
        self.statsd_client = statsd_client
        self.url = stub_url

    @property
    def name(self):
        return 'ses'

    def send_email(self,
                   source,
                   to_addresses,
                   subject,
                   body,
                   html_body='',
                   reply_to_address=None):
        try:
            start_time = monotonic()
            response = request(
                "POST",
                self.url,
                data={"id": "dummy-data"},
                timeout=60
            )
            response.raise_for_status()
            response_json = json.loads(response.text)

        except Exception as e:
            self.statsd_client.incr("clients.ses_stub.error")
            raise AwsSesStubClientException(str(e))
        else:
            elapsed_time = monotonic() - start_time
            current_app.logger.info("AWS SES stub request finished in {}".format(elapsed_time))
            self.statsd_client.timing("clients.ses_stub.request-time", elapsed_time)
            self.statsd_client.incr("clients.ses_stub.success")
            return response_json['MessageId']