"""A module for sending test SendGrid Inbound Parse messages.
Usage: ./send.py [path to file containing test data]"""
import argparse
import sys
from io import open
try:
    from config import Config
except ImportError:
    # Python 3+, Travis
    from sendgrid.helpers.inbound.config import Config
from python_http_client import Client


class Send(object):

    def __init__(self, url):
        """Create a Send object with target `url`."""
        self._url = url

    def test_payload(self, payload_filepath):
        """Send a test payload.

        Load a payload from payload_filepath, apply headers, and POST self.url.
        Return the response object.
        """
        headers = {
            "User-Agent": "SendGrid-Test",
            "Content-Type": "multipart/form-data; boundary=xYzZY"
        }
        client = Client(host=self.url, request_headers=headers)
        f = open(payload_filepath, 'r', encoding='utf-8')
        data = f.read()
        return client.post(request_body=data)

    @property
    def url(self):
        """URL to send to."""
        return self._url


def main():
    config = Config()
    parser = argparse.ArgumentParser(
        description='Test data and optional host.')
    parser.add_argument('data',
                        type=str,
                        help='path to the sample data')
    parser.add_argument('-host',
                        type=str,
                        help='name of host to send the sample data to',
                        default=config.host, required=False)
    args = parser.parse_args()
    send = Send(args.host)
    response = send.test_payload(sys.argv[1])
    print(response.status_code)
    print(response.headers)
    print(response.body)


if __name__ == '__main__':
    main()