from django import apps
from django.conf import settings
from django.db import connection, models
from django.db.utils import DEFAULT_DB_ALIAS, IntegrityError
from django.utils.translation import string_concat
from django.utils.translation import ugettext_lazy as _


class AppConfig(apps.AppConfig):
    name = 'sapl.compilacao'
    label = 'compilacao'
    verbose_name = _('Compilação')

    @staticmethod
    def import_pattern():

        from sapl.compilacao.models import TipoTextoArticulado
        from sapl.compilacao.utils import get_integrations_view_names

        from django.contrib.contenttypes.models import ContentType
        from unipath import Path

        compilacao_app = Path(__file__).ancestor(1)
        # print(compilacao_app)
        with open(compilacao_app + '/compilacao_data_tables.sql', 'r') as f:
            lines = f.readlines()
            lines = [line.rstrip('\n') for line in lines]

            with connection.cursor() as cursor:
                for line in lines:
                    line = line.strip()
                    if not line or line.startswith('#'):
                        continue

                    try:
                        cursor.execute(line)
                    except IntegrityError as e:
                        if not settings.DEBUG:
                            print(
                                string_concat(
                                    _('Ocorreu erro na importação: '),
                                    line,
                                    str(e)))
                    except Exception as ee:
                        print(ee)

        integrations_view_names = get_integrations_view_names()

        def cria_sigla(verbose_name):
            verbose_name = verbose_name.upper().split()
            if len(verbose_name) == 1:
                verbose_name = verbose_name[0]
                sigla = ''
                for letra in verbose_name:
                    if letra in 'BCDFGHJKLMNPQRSTVWXYZ':
                        sigla += letra
            else:
                sigla = ''.join([palavra[0] for palavra in verbose_name])
            return sigla[:3]

        for view in integrations_view_names:
            try:
                tipo = TipoTextoArticulado()
                tipo.sigla = cria_sigla(
                    view.model._meta.verbose_name
                    if view.model._meta.verbose_name
                    else view.model._meta.model_name)
                tipo.descricao = view.model._meta.verbose_name
                tipo.content_type = ContentType.objects.get_by_natural_key(
                    view.model._meta.app_label, view.model._meta.model_name)
                tipo.save()
            except IntegrityError as e:
                if not settings.DEBUG:
                    print(string_concat(
                        _('Ocorreu erro na criação tipo de ta: '),
                        str(e)))


def init_compilacao_base(app_config, verbosity=2, interactive=True,
                         using=DEFAULT_DB_ALIAS, **kwargs):

    if app_config != AppConfig and not isinstance(app_config, AppConfig):
        return
    from sapl.compilacao.models import TipoDispositivo
    if not TipoDispositivo.objects.exists():

        print('')
        print(string_concat('\033[93m\033[1m',
                            _('Iniciando Textos Articulados...'),
                            '\033[0m'))
        AppConfig.import_pattern()


models.signals.post_migrate.connect(
    receiver=init_compilacao_base)