# -*- coding: utf-8 -*-

from zope.schema.vocabulary import SimpleVocabulary, SimpleTerm

from plone.app.discussion.interfaces import _

HAS_CAPTCHA = False
try:
    import plone.formwidget.captcha  # noqa
    HAS_CAPTCHA = True  # pragma: no cover
except ImportError:
    pass

HAS_RECAPTCHA = False
try:
    import plone.formwidget.recaptcha  # noqa
    HAS_RECAPTCHA = True  # pragma: no cover
except ImportError:
    pass

HAS_AKISMET = False
try:
    import collective.akismet  # noqa
    HAS_AKISMET = True  # pragma: no cover
except ImportError:
    pass

HAS_NOROBOTS = False
try:
    import collective.z3cform.norobots  # noqa
    HAS_NOROBOTS = True  # pragma: no cover
except ImportError:
    pass


def captcha_vocabulary(context):
    """Vocabulary with all available captcha implementations.
    """
    terms = []
    terms.append(
        SimpleTerm(
            value='disabled',
            token='disabled',
            title=_(u'Disabled')))

    if HAS_CAPTCHA:  # pragma: no cover
        terms.append(
            SimpleTerm(
                value='captcha',
                token='captcha',
                title='Captcha'))

    if HAS_RECAPTCHA:  # pragma: no cover
        terms.append(
            SimpleTerm(
                value='recaptcha',
                token='recaptcha',
                title='ReCaptcha'))

    if HAS_AKISMET:  # pragma: no cover
        terms.append(
            SimpleTerm(
                value='akismet',
                token='akismet',
                title='Akismet'))

    if HAS_NOROBOTS:  # pragma: no cover
        terms.append(
            SimpleTerm(
                value='norobots',
                token='norobots',
                title='Norobots'))
    return SimpleVocabulary(terms)


def text_transform_vocabulary(context):
    """Vocabulary with all available portal_transform transformations.
    """
    terms = []
    terms.append(
        SimpleTerm(
            value='text/plain',
            token='text/plain',
            title='Plain text'))
    terms.append(
        SimpleTerm(
            value='text/html',
            token='text/html',
            title='HTML'))
    terms.append(
        SimpleTerm(
            value='text/x-web-markdown',
            token='text/x-web-markdown',
            title='Markdown'))
    terms.append(
        SimpleTerm(
            value='text/x-web-intelligent',
            token='text/x-web-intelligent',
            title='Intelligent text'))
    return SimpleVocabulary(terms)