import logging
import base64

from flask import request
from flask import json
from flask import current_app
from flask import session

from rz_mail import send_message

log = logging.getLogger('rhizi')

def decode_base64_uri(base64_encoded_data_uri):
    start = base64_encoded_data_uri.find(',') + 1
    encoded = base64_encoded_data_uri[start:]
    return base64.decodestring(encoded)

def send_user_feedback__email():
    """
    Email all parts as attachments to configured feedback email
    """

    def sanitize_input(req):
        req_dict = req.get_json()
        url = req_dict['url']
        note = req_dict['note']
        img = decode_base64_uri(req_dict['img'])
        html = req_dict['html']
        user_agent = req_dict['browser']['userAgent']
        return RZ_User_Feedback(url=url,
                                note=note,
                                img=img,
                                html=html,
                                user_agent=user_agent)

    try:
        url, note, img, html = sanitize_input(request)
    except:
        log.warn('failed to sanitize inputs. request: %s' % request)

    # FIXME: should be async via celery (or another method)
    session_user = session.get('username')

    msg_body = ['Feedback from user:',
                     '',
                     'user: %s' % (session_user if session_user else "<not-logged-in>"),
                     'user-agent: %s' % (u_feedback.user_agent),
                     'watching URL: %s' % (u_feedback.url),
                     'user-note: %s' % (u_feedback.note),
                     ''
                     ]
    msg_body = '\n'.join(msg_body)