from pillar.extension import PillarExtension

from .modules import blueprint
from . import task_manager


class AttractExtension(PillarExtension):
    def __init__(self):
        self.task_manager = task_manager.TaskManager()

    @property
    def name(self):
        return 'attract'

    def flask_config(self):
        """Returns extension-specific defaults for the Flask configuration.

        Use this to set sensible default values for configuration settings
        introduced by the extension.

        :rtype: dict
        """

        # Just so that it registers the management commands.
        from . import cli

        return {}

    def eve_settings(self):
        """Returns extensions to the Eve settings.

        Currently only the DOMAIN key is used to insert new resources into
        Eve's configuration.

        :rtype: dict
        """
        return {
            'DOMAIN': {
                'tasks': {
                    'schema': {
                        'name': {
                            'type': 'string',
                        },

                    }
                }
            }
        }

    def blueprints(self):
        """Returns the list of top-level blueprints for the extension.

        These blueprints will be mounted at the url prefix given to
        app.load_extension().

        :rtype: list of flask.Blueprint objects.
        """
        return [blueprint]

    def setup_app(self, app):
        """Connects Blinker signals."""

        from . import subversion

        subversion.task_logged.connect(self.task_manager.task_logged_in_svn)