# -*- 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 urllib.request import urlopen

from .default import (
    execute_query,
)

def get_docs(request, doc_id):
    """Lire les doc"""
    if doc_id == 0:
        query = "SELECT * FROM docs ORDER BY topic, intitule;"
        results = request.dbsession.execute(query).fetchall()
    else:
        query = "SELECT * FROM docs where doc_id = :doc_id;"
        results = request.dbsession.execute(query, {'doc_id': doc_id}).first()
    return results

def get_docs_bytopic(request, topic, logged_in):
    """Lire les doc"""
    if logged_in == None:
        anon = "AND statut = 'public' "
    else:
        anon = ""
    if topic == 'BLOG':
        query = "SELECT * FROM docs WHERE topic=:topic %s ORDER BY cree_le DESC LIMIT 10;" % anon
    else:
        query = "SELECT * FROM docs WHERE topic=:topic ORDER BY intitule;"
    results = request.dbsession.execute(query, {'topic': topic}).fetchall()
    return results

def get_docs_tags(request, doc_id):
    query = "SELECT * FROM docs_tags WHERE doc_id=:doc_id;"
    results = request.dbsession.execute(query, {'doc_id': doc_id}).fetchall()
    return results

def get_d_tags_manquant(request, topic, doc_id):
    # tags à ajouter
    query = """SELECT d_tags.* FROM d_tags 
LEFT JOIN docs_tags ON docs_tags.tag = d_tags.tag AND docs_tags.doc_id = :doc_id
WHERE d_tags.topic=:topic AND docs_tags.tag IS null;"""
    results = request.dbsession.execute(query,  {'topic': topic, 'doc_id': doc_id}).fetchall()
    return results

def get_d_topics(request, logged_in):
    if logged_in == None:
        query = "SELECT * FROM d_topics WHERE statut = 'public';"
    else:
        query = "SELECT * FROM d_topics;"
    results = request.dbsession.execute(query).fetchall()
    return results

def get_docs_bycritere(request, critere, logged_in):
    if logged_in == None:
        query = "SELECT * FROM docs WHERE (texte like :critere OR intitule like :critere) AND statut = 'public';"
    else:
        query = "SELECT * FROM docs WHERE (texte like :critere OR intitule like :critere);"
    results = request.dbsession.execute(query, {'critere': '%' + critere + '%'}).fetchall()
    return results

def update_doc(request, doc_id, new_values):
    """créér ou modifier le doc"""
    # formater les champs
    s = ''
    for param in new_values.keys():
        if s:
            s += ",%s=:%s" % (param, param)
        else:
            s = "%s=:%s" % (param, param)

    if doc_id == '0':
        query = "INSERT INTO docs SET %s;" % s
    else:
        new_values['doc_id'] = doc_id
        query = "update docs SET %s WHERE doc_id = :doc_id;" % s
    execute_query(request, query, new_values)

def delete_doc(request, doc_id):
    """supprimer la doc"""
    query = "delete from docs where doc_id = :doc_id;"
    execute_query(request, query, {'doc_id': doc_id})

def change_doc_tag(request, action, doc_id, tag):
    """ajouter une tag dans le doc"""
    if action == 'ADD':
        query = "INSERT INTO docs_tags (`doc_id`,`tag`) VALUES (:doc_id, :tag);"
        execute_query(request, query, {'doc_id': doc_id, 'tag': tag})
    else:
        query = "DELETE FROM docs_tags WHERE doc_id=:doc_id AND tag=:tag;"
        execute_query(request, query, {'doc_id': doc_id, 'tag': tag})