# coding: utf-8
import re
import unicodedata
from entities import entities

# ______________________________________________________________________________

ENCODING = 'utf-8'

def strip_accents(string):
    return unicodedata.normalize('NFKD', unicode(string, ENCODING)
                               ).encode('ASCII', 'ignore')

def normalize_entities():
    """
        enleve les accents de la liste des entites + minuscules
        :return: entities normalisé
    """
    norm_entities = []
    for entitie in entities:
        norm_entitie = strip_accents(entitie).lower()
        norm_entities.append(norm_entitie)
    return norm_entities

NORM_ENTITIES = normalize_entities()

# ______________________________________________________________________________

def parse_string(text):
    """
        enlève les accents d'un texte
    """
#    libelle = strip_accents(text)
    words = re.findall('([a-zA-Zéèàùêôëö_]+)', text)
    return words

def is_in_entities(text):
    """
        donne l'index dans entities du texte
    """
    norm_text = text.lower()
    index = None
    if norm_text in NORM_ENTITIES:
        index = NORM_ENTITIES.index(norm_text)
    return index

def is_correct(libelle, name, family=False):
    if libelle is not None and type(libelle) != str:
        libelle = unicode.encode(libelle, ENCODING)
    ret = []
    if libelle == '' or libelle is None:
        return ret
    if libelle[0].islower():
        #FIXME: faux positifs connus
        if not libelle.startswith('ejabberd') and \
           not libelle.startswith('phpMyAdmin'):
            ret.append('%%%%%s : phrase sans majuscule'%name)
    for text in parse_string(libelle):
        text_index = is_in_entities(text)
        if not text_index == None:
            if str(text) != str(entities[text_index]):
                #FIXME: faux positifs connus
                if 'ipsec.conf' in libelle or 'test-rvp' in libelle \
                   or 'bareos-' in libelle \
                   or 'bacula-' in libelle \
                   or '/var/log/zephir' in libelle \
                   or 'exemple : eolebase' in libelle:
                    continue
                ent = str(unicode.encode((unicode(entities[text_index], ENCODING)), ENCODING))
                if family:
                    ret.append('famille [%s] : %s => %s' % (str(name), text, ent))
                else:
                    ret.append('%%%%%s : %s => %s' % (str(name), text, ent))
    return ret
# ______________________________________________________________________________