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# Source code for searx.engines.marginalia

    # SPDX-License-Identifier: AGPL-3.0-or-later
    """`Marginalia Search`_ is an independent open source Internet search engine
    operating out of Sweden. It is principally developed and operated by Viktor
    Lofgren .

    .. _Marginalia Search:
       https://about.marginalia-search.com/

    Configuration
    =============

    The engine has the following required settings:

    - :py:obj:`api_key`

    You can configure a Marginalia engine by:

    .. code:: yaml

       - name: marginalia
         engine: marginalia
         shortcut: mar
         api_key: ...

    Implementations
    ===============

    """

    import typing as t
    from urllib.parse import urlencode
    from searx.utils import searxng_useragent
    from searx.result_types import EngineResults
    from searx.extended_types import SXNG_Response

    about = {
        "website": "https://marginalia.nu",
        "wikidata_id": None,
        "official_api_documentation": "https://about.marginalia-search.com/article/api/",
        "use_official_api": True,
        "require_api_key": True,
        "results": "JSON",
    }

    base_url = "https://api2.marginalia-search.com"
    safesearch = True
    categories = ["general"]
    paging = True
    results_per_page = 20
    api_key = None
    """To get an API key, please follow the instructions from `Key and license`_

    .. _Key and license:
       https://about.marginalia-search.com/article/api/

    """

    class ApiSearchResult(t.TypedDict):
        """Marginalia's ApiSearchResult_ class definition.

        .. _ApiSearchResult:
           https://github.com/MarginaliaSearch/MarginaliaSearch/blob/master/code/services-application/api-service/java/nu/marginalia/api/model/ApiSearchResult.java
        """

        url: str
        title: str
        description: str
        quality: float
        format: str
        details: str

    class ApiSearchResults(t.TypedDict):
        """Marginalia's ApiSearchResults_ class definition.

        .. _ApiSearchResults:
           https://github.com/MarginaliaSearch/MarginaliaSearch/blob/master/code/services-application/api-service/java/nu/marginalia/api/model/ApiSearchResults.java
        """

        license: str
        query: str
        results: list[ApiSearchResult]

    def request(query: str, params: dict[str, t.Any]):

        query_params = {
            "page": params["pageno"],
            "count": results_per_page,
            "nsfw": min(params["safesearch"], 1),
            "query": query,
        }

        params["url"] = f"{base_url}/search?{urlencode(query_params)}"
        params["headers"]["User-Agent"] = searxng_useragent()
        params["headers"]["API-Key"] = api_key

    def response(resp: SXNG_Response):

        res = EngineResults()
        resp_json: ApiSearchResults = resp.json()  # type: ignore

        for item in resp_json.get("results", []):
            res.add(
                res.types.MainResult(
                    title=item["title"],
                    url=item["url"],
                    content=item.get("description", ""),
                )
            )

        return res

    def init(engine_settings: dict[str, t.Any]):

        _api_key = engine_settings.get("api_key")
        if not _api_key:
            logger.error("missing api_key: see https://about.marginalia-search.com/article/api")
            return False

        if _api_key == "public":
            logger.error("invalid api_key (%s): see https://about.marginalia-search.com/article/api", api_key)

        return True