# -*- coding: utf8 -*-
from sqlalchemy import text
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import (
    scoped_session,
    sessionmaker,
)
from zope.sqlalchemy import (
    ZopeTransactionExtension, 
    mark_changed
)

from datetime import *
import transaction

from .default import (
    execute_query,
)

def get_member_by_mdp_oublie(request, lien):
    query = "SELECT * FROM members WHERE mdp_oublie=:lien;"
    results = request.dbsession.execute(query, {'lien':lien}).first()
    return results

def get_member_by_email(request, email):
    if email == '0':
        query = "SELECT * FROM members ORDER BY nom"
        results = request.dbsession.execute(query).fetchall()
    else:
        # lire le membres par son identifianr
        query = """SELECT * FROM members WHERE email=:email;"""
        results = request.dbsession.execute(query, {'email': email}).first()
    return results

def update_membre_mdp_oublie(request, login):
    import uuid, base64 

    # get a UUID - URL safe, Base64
    uid = uuid.uuid1()
    urlslug = base64.urlsafe_b64encode(uid.bytes).decode("utf-8").rstrip('=\n').replace('/', '_')
    query = "UPDATE members SET mdp_oublie=:urlslug, mdp_oublie_date=now() WHERE email=:login;"
    execute_query(request, query, {'urlslug':urlslug, 'login':login})
    return urlslug

def update_membre_mdp(request, login, password):
    """Update password for member login"""
    query = "UPDATE members SET mdp = SHA1(:password), mdp_oublie=NULL, mdp_oublie_date=NULL WHERE email=:login;"
    execute_query(request, query, {'login': login, 'password': password})

def update_last_connection(request, login):
    """Update last connection for login """
    query = "UPDATE members SET dern_cnx_le=NOW() WHERE email=:login;"
    execute_query(request, query, {'login': login})

def update_membre(request, email, new_values):
    # formater les champs
    s = ''
    for param in new_values.keys():
        if param == 'nom':
            new_values['nom'] = new_values['nom'].upper()

        if s:
            s += ",%s=:%s" % (param, param)
        else:
            s = "%s=:%s" % (param, param)

    if email == 'new':
        query = "INSERT INTO members SET %s" % s
    else:
        new_values['email'] = email
        query = "UPDATE members SET %s WHERE email = :email;" % s
    execute_query(request, query, new_values)

def delete_membre(request, email):
    query = "DELETE FROM members WHERE email = :email ;"
    execute_query(request, query, {'email': email})

def update_membre_statut(request, email, action):
    if action == 'on':
        query = "UPDATE members SET expire_le = NULL WHERE email = :email ;"
    else:
        query = "UPDATE members SET expire_le = now() WHERE email = :email ;"
    execute_query(request, query, {'email': email})