from optparse import make_option
import psycopg2
import random

from django.conf import settings
from django.contrib.auth.models import User, Group
from django.core.management.base import BaseCommand, CommandError
from django.db import transaction
from django.template.defaultfilters import slugify

from docbow_project.docbow.models import MailingList, DocbowProfile


# Utilise seulement des majuscules et des chiffres, sauf i,l et 1, O et 0
__pwd_alphabet = 'ABCDEFGHJKMNPQRSTUVWXYZ23456789'
def create_password(pwd_length=8):
    password = ''.join([random.choice(__pwd_alphabet) 
        for x in range(pwd_length)])
    return password

def get_username(last_name, first_name):
    username = '%s.%s' % (slugify(first_name), slugify(last_name))
    return username


class Command(BaseCommand):

    @transaction.commit_on_success
    def handle(self, *args, **options):
        verbose = (options.get('verbosity') > 1)

        parl_list = MailingList.objects.get(id=settings.PARLEMENTAIRES_MAILING_ID)
        ministres_list = MailingList.objects.get(id=settings.MINISTRES_MAILING_ID)

        comppols = {}

        conn = psycopg2.connect("host=%s dbname=%s user=%s password=%s" % (
                settings.TABELLIO_DBHOST,
                settings.TABELLIO_DBNAME,
                settings.TABELLIO_DBUSER,
                settings.TABELLIO_DBPASSWORD))
        cur = conn.cursor()

        cur.execute('''SELECT t_pers.nom, t_pers.prenom
                         FROM t_pers
                        WHERE t_pers.st != 'S_PARL'
                          AND t_pers.st != 'S_MINISTRE'
                    ''')

        while True:
            t = cur.fetchone()
            if not t:
                break
            last_name, first_name = t

            username = get_username(last_name, first_name)

            try:
                user = User.objects.get(username=username)
            except User.DoesNotExist:
                continue

            if not user.is_active:
                continue

            if verbose:
                print 'disabling', username
            user.is_active = False

            user.save()

            if user in parl_list.members.all():
                parl_list.members.remove(user)
                parl_list.save()
            if user in ministres_list.members.all():
                ministres_list.members.remove(user)
                ministres_list.save()

        cur.execute('''SELECT t_pers.nom, t_pers.prenom, t_adresse.email, t_comppol.abbr
                         FROM t_pers, t_pershistoline, t_adresse, t_comppol
                        WHERE t_pers.st = 'S_PARL'
                          AND t_pers.prenom is not NULL
                          AND t_pershistoline.description = t_comppol.id
                          AND t_pers.id = t_pershistoline.pers
                          AND t_pershistoline.type = 'P_CMPL'
                          AND t_pershistoline.fin IS NULL
                          AND t_adresse.email IS NOT NULL
                          AND (t_adresse.id = t_pers.addrpriv
                               OR t_adresse.id = t_pers.addrprof1
                               OR t_adresse.id = t_pers.addrprof2)
                          AND t_adresse.courriel = true''')

        while True:
            t = cur.fetchone()
            if not t:
                break
            last_name, first_name, email, comppol = t

            username = get_username(last_name, first_name)

            user, created = User.objects.get_or_create(username=username)
            user.last_name = last_name
            user.first_name = first_name
            user.email = email
            user.is_active = True

            if created:
                pw = create_password()
                user.set_password(pw)
                if verbose:
                    print 'creating', username, 'with password', pw

            user.save()

            profile, created = DocbowProfile.objects.get_or_create(user=user)
            profile.personal_email = email

            if not user in parl_list.members.all():
                parl_list.members.add(user)
                parl_list.save()
            if user in ministres_list.members.all():
                ministres_list.members.remove(user)
                ministres_list.save()

            if not comppol in comppols:
                comppols[comppol] = []
            comppols[comppol].append(user)

        for comppol, members in comppols.items():
            maillist, created = MailingList.objects.get_or_create(
                    name=u'Appartenance politique - %s' % comppol)
            for member in maillist.members.all():
                if member not in members:
                    maillist.members.remove(member)
            for member in members:
                if member not in maillist.members.all():
                    maillist.members.add(member)

        cur.execute('''SELECT t_pers.nom, t_pers.prenom, t_adresse.email
                         FROM t_pers, t_pershistoline, t_adresse
                        WHERE t_pers.st = 'S_MINISTRE'
                          AND t_pers.prenom is not NULL
                          AND t_pers.id = t_pershistoline.pers
                          AND t_pershistoline.type = 'M_MINT'
                          AND t_pershistoline.fin IS NULL
                          AND t_adresse.email IS NOT NULL
                          AND (t_adresse.id = t_pers.addrpriv
                               OR t_adresse.id = t_pers.addrprof1
                               OR t_adresse.id = t_pers.addrprof2)
                          AND t_adresse.courriel = true''')

        while True:
            t = cur.fetchone()
            if not t:
                break
            last_name, first_name, email = t

            username = get_username(last_name, first_name)

            user, created = User.objects.get_or_create(username=username)
            user.last_name = last_name
            user.first_name = first_name
            user.email = email
            user.is_active = True

            if created:
                pw = create_password()
                user.set_password(pw)
                if verbose:
                    print 'creating', username, 'with password', pw

            user.save()

            profile, created = DocbowProfile.objects.get_or_create(user=user)
            profile.personal_email = email

            if user in parl_list.members.all():
                parl_list.members.remove(user)
                parl_list.save()
            if not user in ministres_list.members.all():
                ministres_list.members.add(user)
                ministres_list.save()

        cur.close()