from flask import abort
from flask import jsonify
from flask.views import View

from pycs.database.Collection import Collection


class ListCollections(View):
    """
    return a list of collections for a given project
    """
    # pylint: disable=arguments-differ
    methods = ['GET']

    def dispatch_request(self, project_id: int):

        # get collection list
        collections = Collections.query.filter_by(project_id=project_id).all()

        # disable autoselect if there are no elements in the collection
        found = False

        for collection in collections:
            if collection.autoselect:
                if found:
                    collection.autoselect = False

                elif collection.count_files() == 0:
                    collection.autoselect = False
                    found = True

        # return files
        return jsonify(collections)