import wagtail.admin.rich_text.editors.draftail.features as draftail_features
from wagtail.admin.rich_text.converters.html_to_contentstate import InlineStyleElementHandler
from wagtail.core import hooks

from basicknowledge.models import BasicKnowledge
from books.models import ContentBlockSnapshot


# 1. Use the register_rich_text_features hook.
@hooks.register('register_rich_text_features')
def register_brand_feature(features):
    """
    Registering the feature, which uses the `BRAND` Draft.js inline style type,
    and is stored as HTML with a `<span class="brand">` tag.
    """
    feature_name = 'brand'
    type_ = 'BRAND'

    # 2. Configure how Draftail handles the feature in its toolbar.
    control = {
        'type': type_,
        'label': 'Grün',
        'description': 'Grün',
        'style': {
            'color': '#17A887',
            'font-weight': '600'
        },
    }

    # 3. Call register_editor_plugin to register the configuration for Draftail.
    features.register_editor_plugin(
        'draftail', feature_name, draftail_features.InlineStyleFeature(control)
    )

    # 4.configure the content transform from the DB to the editor and back.
    db_conversion = {
        'from_database_format': {'span[class="brand"]': InlineStyleElementHandler(type_)},
        'to_database_format': {'style_map': {type_: 'span class="brand""'}},
    }

    # 5. Call register_converter_rule to register the content transformation conversion.
    features.register_converter_rule('contentstate', feature_name, db_conversion)

    # 6. (optional) Add the feature to the default features list to make it available
    # on rich text fields that do not specify an explicit 'features' list
    features.default_features.append(feature_name)


@hooks.register('register_rich_text_features')
def register_secondary_feature(features):
    """
    Registering the feature, which uses the `SECONDARY` Draft.js inline style type,
    and is stored as HTML with a `<span class="secondary">` tag.
    """
    feature_name = 'secondary'
    type_ = 'SECONDARY'

    # 2. Configure how Draftail handles the feature in its toolbar.
    control = {
        'type': type_,
        'label': 'Blau',
        'description': 'Blau',
        'style': {
            'color': '#078CC6',
            'font-weight': '600'
        },
    }

    # 3. Call register_editor_plugin to register the configuration for Draftail.
    features.register_editor_plugin(
        'draftail', feature_name, draftail_features.InlineStyleFeature(control)
    )

    # 4.configure the content transform from the DB to the editor and back.
    db_conversion = {
        'from_database_format': {'span[class="secondary"]': InlineStyleElementHandler(type_)},
        'to_database_format': {'style_map': {type_: 'span class="secondary"'}},
    }

    # 5. Call register_converter_rule to register the content transformation conversion.
    features.register_converter_rule('contentstate', feature_name, db_conversion)

    # 6. (optional) Add the feature to the default features list to make it available
    # on rich text fields that do not specify an explicit 'features' list
    features.default_features.append(feature_name)


@hooks.register('construct_explorer_page_queryset')
def remove_page_types_from_menu(parent_page, pages, request):
    return pages.not_type(ContentBlockSnapshot).not_type(BasicKnowledge).exclude(contentblock__user_created=True)