#
# This file is part of pretix (Community Edition).
#
# Copyright (C) 2014-2020 Raphael Michel and contributors
# Copyright (C) 2020-2021 rami.io GmbH and contributors
#
# This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
# Public License as published by the Free Software Foundation in version 3 of the License.
#
# ADDITIONAL TERMS APPLY: Pursuant to Section 7 of the GNU Affero General Public License, additional terms are
# applicable granting you additional permissions and placing additional restrictions on your usage of this software.
# Please refer to the pretix LICENSE file to obtain the full terms applicable to this work. If you did not receive
# this file, see <https://pretix.eu/about/en/license>.
#
# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more
# details.
#
# You should have received a copy of the GNU Affero General Public License along with this program.  If not, see
# <https://www.gnu.org/licenses/>.
#
from pretix.base.settings import PERSON_NAME_SCHEMES


def build_name(parts, concatenation=None, fallback_scheme=None):
    if not parts:
        return None
    if "_legacy" in parts:
        return parts["_legacy"]
    if "_scheme" in parts:
        scheme = PERSON_NAME_SCHEMES[parts["_scheme"]]
    elif fallback_scheme:
        scheme = PERSON_NAME_SCHEMES[fallback_scheme() if callable(fallback_scheme) else fallback_scheme]
    else:
        raise TypeError("Invalid name given.")
    if not concatenation or concatenation not in scheme:
        concatenation = "concatenation"
    return scheme[concatenation](parts).strip()