import smtplib
import nexmo
import json

EMAIL = False
SMS = False
BOTH = False

try:
    with open("smsCredentials.json", "r") as data:
        formSMS = json.load(data)
        SMS = True
except FileNotFoundError:
    SMS = False
    print('No SMS credentials file.')

try:
    with open("emailCredentials.json", "r") as data:
        formEmail = json.load(data)
        EMAIL = True
except FileNotFoundError:
    EMAIL = False
    print('No email credentials file.')

if SMS and EMAIL:
    BOTH = True
else:
    BOTH = False

def sendSMS(message):
    phoneNo = formSMS['phoneNumber']
    client = nexmo.Client()
    try:
        client.send_message({
        'from': 'Niwater',
        'to': phoneNo,
        'text': message,
        })
        return('sent')
    except Exception as e:
        return(str(e))


def sendEmail(message):
    username = formEmail['username']
    password = formEmail['password']
    sender = formEmail['sender']
    receiver = formEmail['receiver']
    subject = formEmail['subject']
    msg = "From: {}\nTo: {}\nSubject: {}\n\n{}".format(sender, receiver, subject, message)

    try:
        server = smtplib.SMTP('smtp.mail.yahoo.com', 587)
        server.ehlo()
        server.starttls()
        server.ehlo()
        server.login(username, password)
        server.sendmail(sender, receiver, msg)
        server.quit()
        return 'Email was successfuly send.'
    except Exception as e:
        return 'Sending email failed. ' + str(e)