"""This file and its contents are licensed under the Apache License 2.0. Please see the included NOTICE for copyright information and LICENSE for a copy of the license.
"""
from rest_framework import status
from rest_framework.exceptions import APIException


class LabelStudioError(Exception):
    pass


class LabelStudioAPIException(APIException):
    status_code = status.HTTP_500_INTERNAL_SERVER_ERROR
    default_detail = 'Unknown error'


class LabelStudioDatabaseException(LabelStudioAPIException):
    default_detail = 'Error executing database query'


class LabelStudioDatabaseLockedException(LabelStudioAPIException):
    default_detail = "Sqlite <a href='https://docs.djangoproject.com/en/3.1/ref/databases/#database-is-locked-errors'>doesn't operate well</a> on multiple transactions. \
    Please be patient and try update your pages, or ping us on Slack to  get more about production-ready db"


class ProjectExistException(LabelStudioAPIException):
    status_code = status.HTTP_422_UNPROCESSABLE_ENTITY
    default_detail = 'Project with the same title already exists'


class InvalidUploadUrlError(LabelStudioAPIException):
    default_detail = (
        'The provided URL was not valid. URLs must begin with http:// or https://, and cannot be local IPs.'
    )
    status_code = status.HTTP_403_FORBIDDEN


def extract_message(exc):
    if not exc.args:
        return ''
    if len(exc.args) == 1:
        return str(exc.args[0])
    return ' '.join(str(arg) for arg in exc.args)