# -*- coding: utf-8 -*-

#Copyright (C) 2009  Sandro Knauß <bugs@sandroknauss.de>

#This program is free software; you can redistribute it and/or modify it under the terms

#of the GNU General Public License as published by the Free Software Foundation;

#either version 3 of the License, or any later version.

#This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;

#without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

#See the GNU General Public License for more details.

#You should have received a copy of the GNU General Public License

#along with this program; if not, see <http://www.gnu.org/licenses/>.

import smtplib

import copy

from functools import partial

from ..validate import vInteger, vEmail,vBool

from ..model.status import Status

from ..config import Option

from .provider import Provider, providers

class SMTP(Provider):

    def __init__(self, name):

        Provider.__init__(self,name,{"mail":[None]})

        self.options.update({

            "send_from":Option(vEmail,long="Emailaddress from which mail will be sended.",must=True),

            "host":Option(lambda x,y:x, long="Hostname of MTA", must=True),

            "port":Option(partial(vInteger,minv=0),long="Port of the MTA", default=25),

            "user":Option(lambda x,y:x, long="username to login into MTA.",default=""),

            "password":Option(lambda x,y:x, long="password to login into MTA.",default=""),

            "SSL":Option(vBool,long="use SSL for connection to MTA", default=False),

            "TLS":Option(vBool,long="use TLS for connection to MTA", default=False),

            })

        self.order.extend(["host","port","user","password","SSL","TLS","send_from"])

    def send(self, recipient, mail):   

        if not self.testmode:

            if self.SSL:

                smtp = smtplib.SMTP_SSL(self.host,self.port)

            else:

                smtp = smtplib.SMTP(self.host,self.port)

            if self.TLS:

                smtp.starttls()

            if not self.user == "":

                smtp.login(self.user,self.password)

        try:

            frm=self.send_from

            if mail.getFrom():

                frm = mail.getFrom()

            tmpmail=copy.deepcopy(mail)

            tmpmail.content['From'] = frm 

            tmpmail.content['To']=recipient

            if not self.testmode:

                smtp.sendmail(frm,  recipient, tmpmail.as_string())

            return Status(self, None)

        finally:

            smtp.quit()

    def getSendFunc(self, typ, route):

        Provider.getSendFunc(self, typ, route)

        return self.send

providers["smtp"]=SMTP