from random import choice
import re, urllib, os, pickle, smtplib
from email.mime.text import MIMEText

os.system('cls' if os.name == 'nt' else 'clear')

def main():
    notifiedcars = readFromFile()
    makeList(notifiedcars)
    printList(notifiedcars)


def readFromFile():
    try:
        infile = open("carlist.txt", "r")
        notifiedcars = pickle.load(infile)
        infile.close()
    except:
        notifiedcars = []

    return notifiedcars

def writeToFile(notifiedcars):
    outfile = open("carlist.txt","w")
    pickle.dump(notifiedcars, outfile)
    outfile.close()

def makeList(notifiedcars):
    while True:
        socket = urllib.urlopen("http://www.transfercar4u.no/freecar.asp?origin=Bergen")
        htmlsource = socket.read()
        socket.close()
        result = re.findall('<table border=0 cellspacing=0 cellpadding=0 width=689>((?:.|\\n)*?)</table>', htmlsource)

        rawtext = str(result[0])
        cars = []
        msg = ""
        numberofnewcars = 0
        print result
        temptext = rawtext.split("</tr")
        for i in temptext:
            if len(i) > 200:
                cars.append(i)

        for line in cars:
            temp = line.split("<td>")
            if not "<i>" in temp[2]:

                refnr = temp[2][0:temp[2].find("</td>")]
                date = temp[3][0:temp[3].find("</td>")]
                origin = temp[4][0:temp[4].find("</td>")]
                end = temp[5][0:temp[5].find("</td>")]

            else:

                refnr = temp[2][3:temp[2].find("</i>")]
                date = temp[3][3:temp[3].find("</i>")]
                origin = temp[4][3:temp[4].find("</i>")]
                end = temp[5][3:temp[5].find("</i>")]

            car = [refnr, date, origin, end]

            if car not in notifiedcars:
                notifiedcars.append(car)
                numberofnewcars += 1
                msg = msg + "\nLink:\thttp://www.transfercar4u.no/freecar.asp?detail=hide&c_id="+car[0]+"\nDato:\t"+car[1]+"\nFra:\t"+car[2]+"\nTil:\t"+car[3]+"\n"

        if msg != "":
            sendMail(msg, numberofnewcars)
            print msg

        writeToFile(notifiedcars)

        if result != []:
            break

def sendMail(newCar, numberofnewcars):
    #Her har jeg laget en ny gmail fordi jeg må logge inn med brukernavn og passord og jeg vil ikke oppgi mitt skikkelige passord
    sender  = "Bard Returbil <"min nye gmailkonto for å sende"@gmail.com>"
    password = "passordet til min nye gmailkonto(i stringformat)"
    receiver = "bard.bjorsvik@gmail.com"

    msg = MIMEText(newCar)
    msg['Subject'] = 'There are ' + str(numberofnewcars) + ' new car(s) from Bergen'
    msg['From'] = sender
    msg['To'] = receiver

    try:
        smtpObj = smtplib.SMTP_SSL('smtp.gmail.com', '465')
        smtpObj.login("returbilsender@gmail.com", password)
        smtpObj.sendmail(sender, [receiver], msg.as_string())
        smtpObj.close()
        print "New car list sendt to " + receiver
    except smtplib.SMTPAuthenticationError:
        print "SMTP Authentication error: wrong username and/or password"
    except smtplib.SMTPRecipientsRefused:
        print "Recipients refused: " + ', '.join(receiver)
    except smtplib.SMTPSenderRefused:
        print "Sender refused: " + sender
    except smtplib.SMTPException:
        print "SMTP Error: unable to send email"

def printList(notifiedcars):
    for i in notifiedcars:
        print i

if __name__ == "__main__":
    main()