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from fatcat_openapi_client import DefaultApi, FileEntity
from fatcat_openapi_client.rest import ApiException

from .common import EntityCleaner


class FileCleaner(EntityCleaner):
    """
    File fixups!
    """

    def __init__(self, api: DefaultApi, **kwargs) -> None:

        eg_desc = (
            kwargs.pop("editgroup_description", None)
            or "Automated cleanup of file entities (eg, remove bad URLs)"
        )
        eg_extra = kwargs.pop("editgroup_extra", dict())
        eg_extra["agent"] = eg_extra.get("agent", "fatcat_tools.FileCleaner")
        super().__init__(
            api,
            entity_type=FileEntity,
            editgroup_description=eg_desc,
            editgroup_extra=eg_extra,
            **kwargs
        )

    def clean_entity(self, entity: FileEntity) -> FileEntity:
        """
        TODO: mimetype is bogus like (???) => clean mimetype
        """

        # URL has ://web.archive.org/web/None/ link => delete URL
        entity.urls = [u for u in entity.urls if "://web.archive.org/web/None/" not in u.url]

        # URL has ://archive.org/ link with rel=repository => rel=archive
        for u in entity.urls:
            if "://archive.org/" in u.url and u.rel == "repository":
                u.rel = "archive"

        # URL has short wayback date ("2017") and another url with that as prefix => delete URL
        stub_wayback_urls = []
        full_wayback_urls = []
        for u in entity.urls:
            if "://web.archive.org/web/" in u.url:
                if len(u.url.split("/")[4]) <= 8:
                    stub_wayback_urls.append(u.url)
                else:
                    full_wayback_urls.append("/".join(u.url.split("/")[5:]))
        for stub in stub_wayback_urls:
            target = "/".join(stub.split("/")[5:])
            if target in full_wayback_urls:
                entity.urls = [u for u in entity.urls if u.url != stub]

        return entity

    def try_update(self, entity: FileEntity) -> int:

        try:
            existing = self.api.get_file(entity.ident)
        except ApiException as err:
            if err.status != 404:
                raise err
            self.counts["skip-not-found"] += 1
            return 0

        if existing.state != "active":
            self.counts["skip-existing-inactive"] += 1
            return 0
        if existing.revision != entity.revision:
            self.counts["skip-revision"] += 1
            return 0

        self.api.update_file(self.get_editgroup_id(), entity.ident, entity)
        return 1