# -*- 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

def execute_query(request, query, params):
    """Execute query and mark session as changed"""
    request.dbsession.execute(query, params)
    mark_changed(request.dbsession)
    transaction.commit()

def get_comptes(request, type):
    if type == 'recette':
        query = "SELECT * FROM p_comptes where no_compte like '7%' order by no_compte;"
    else:
        query = "SELECT * FROM p_comptes where no_compte like '6%' order by no_compte;"
    results = request.dbsession.execute(query).fetchall()
    return results

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

def get_member_by_email(request, email):
    # lire le membres par son email
    query = """SELECT * FROM membres WHERE email=:email;"""
    results = request.dbsession.execute(query, {'email': email}).first()
    return results


def get_member_by_id(request, mbr_id):
    # lire le membres par son identifianr
    query = """SELECT * FROM membres WHERE mbr_id=:mbr_id;"""
    results = request.dbsession.execute(query, {'mbr_id': mbr_id}).first()
    return results

def get_membres(request):
    # lire les membres 
    query = """SELECT * FROM membres order by nom, prenom;"""
    results = request.dbsession.execute(query).fetchall()
    return results

def delete_don(request, mbr_id, don_id):
    query = "DELETE FROM mbr_dons WHERE mbr_id = :mbr_id and don_id = :don_id;"
    execute_query(request, query, {'mbr_id': mbr_id, 'don_id': don_id})

def update_don(request, mbr_id, don_id, new_values):
    # formater les champs
    s = ''
    for param in new_values.keys():
        if param == 'date':
            ddate = datetime.strptime(new_values['date'], '%d/%m/%Y')
            new_values['date'] = ddate.strftime("%Y/%m/%d")
        if s:
            s += ",%s=:%s" % (param, param)
        else:
            s = "%s=:%s" % (param, param)

    if don_id == '0':
        new_values['mbr_id'] = mbr_id
        query = "INSERT INTO mbr_dons SET %s" % s
    else:
        new_values['mbr_id'] = mbr_id
        new_values['don_id'] = don_id
        query = "UPDATE mbr_dons SET %s WHERE mbr_id = :mbr_id and don_id = :don_id;" % s
    execute_query(request, query, new_values)

def update_journal(request, jnl, no_id, new_values):
    # formater les champs
    s = ''
    for param in new_values.keys():
        if param == 'date':
            ddate = datetime.strptime(new_values['date'], '%d/%m/%Y')
            new_values['date'] = ddate.strftime("%Y/%m/%d")
        if s:
            s += ",%s=:%s" % (param, param)
        else:
            s = "%s=:%s" % (param, param)

    if no_id == '0':
        if jnl == 'C':
            query = "INSERT INTO jnl_caisse SET %s" % s
        else:
            query = "INSERT INTO jnl_caisse SET %s" % s
    else:
        new_values['no_id'] = no_id
        if jnl == 'C':
            query = "UPDATE jnl_caisse SET %s WHERE no_id = :no_id;" % s
        else:
            query = "UPDATE jnl_banque SET %s WHERE no_id = :no_id;" % s
            
    execute_query(request, query, new_values)

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

def insert_gift_to_account(request, libelle_esp, libelle_chq):
    import pdb;pdb.set_trace()
    # genere une écriture dans le journal de caisse pour les espèces
    query = "SELECT sum(montant) as total FROM mbr_dons where valide_le IS NULL and mode='ESPECE';"
    result = request.dbsession.execute(query).first()
    if result.total > 0:
        query = """INSERT INTO jnl_caisse (date, compte, libelle, recette, valide_le) 
        VALUES (CURRENT_DATE, '7540', :libelle_esp, :total_esp, CURRENT_DATE);"""
        execute_query(request, query, {'libelle_esp': libelle_esp, 'total_esp': result.total})

    # genere une écriture dans le journal de banque pour les chèques
    query = "SELECT sum(montant) as total FROM mbr_dons where valide_le IS NULL and mode='CHEQUE';"
    result = request.dbsession.execute(query).first()
    if result.total > 0:
        query = """INSERT INTO jnl_banque (date, compte, libelle, recette, valide_le) 
        VALUES (CURRENT_DATE, '7540', :libelle_chq, :total_chq, CURRENT_DATE);"""
        execute_query(request, query, {'libelle_chq': libelle_chq, 'total_chq': result.total})

    # valider les dons
    query = "UPDATE mbr_dons SET valide_le = CURRENT_DATE WHERE valide_le IS NULL;"
    execute_query(request, query, {})

def update_membre(request, mbr_id, new_values):
    # formater les champs
    s = ''
    for param in new_values.keys():
        if param == 'nom':
            new_values['nom'] = new_values['nom'].upper()
        if param == 'ville':
            new_values['ville'] = new_values['ville'].upper()
        if s:
            s += ",%s=:%s" % (param, param)
        else:
            s = "%s=:%s" % (param, param)

    if mbr_id == '0':
        query = "INSERT INTO membres SET %s" % s
    else:
        new_values['mbr_id'] = mbr_id
        query = "UPDATE membres SET %s WHERE mbr_id = :mbr_id;" % s
    execute_query(request, query, new_values)

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

    # get a UUID - URL safe, Base64
    r_uuid = base64.urlsafe_b64encode(uuid.uuid4().bytes)
    r_uuid = r_uuid.replace('=', '')
    query = "UPDATE membres SET mdp_oublie=:r_uuid, mdp_oublie_date=now() WHERE email=:login;"
    execute_query(request, query, {'r_uuid':r_uuid, 'login':login})
    return r_uuid

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