# Source code for searx.engines.google_images

    # SPDX-License-Identifier: AGPL-3.0-or-later
    """This is the implementation of the Google Images engine using the internal
    Google API used by the Google Go Android app.

    This internal API offer results in

    - JSON (``_fmt:json``)
    - Protobuf_ (``_fmt:pb``)
    - Protobuf_ compressed? (``_fmt:pc``)
    - HTML (``_fmt:html``)
    - Protobuf_ encoded in JSON (``_fmt:jspb``).

    .. _Protobuf: https://en.wikipedia.org/wiki/Protocol_Buffers
    """

    from typing import TYPE_CHECKING

    from urllib.parse import urlencode
    from json import loads

    from searx.engines.google import fetch_traits  # pylint: disable=unused-import
    from searx.engines.google import (
        get_google_info,
        time_range_dict,
        detect_google_sorry,
    )

    if TYPE_CHECKING:
        import logging
        from searx.enginelib.traits import EngineTraits

        logger: logging.Logger
        traits: EngineTraits

    # about
    about = {
        "website": 'https://images.google.com',
        "wikidata_id": 'Q521550',
        "official_api_documentation": 'https://developers.google.com/custom-search',
        "use_official_api": False,
        "require_api_key": False,
        "results": 'JSON',
    }

    # engine dependent config
    categories = ['images', 'web']
    paging = True
    max_page = 50
    time_range_support = True
    safesearch = True
    send_accept_language_header = True

    filter_mapping = {0: 'images', 1: 'active', 2: 'active'}

    def request(query, params):
        """Google-Image search request"""

        google_info = get_google_info(params, traits)

        query_url = (
            'https://'
            + google_info['subdomain']
            + '/search'
            + '?'
            + urlencode({'q': query, 'tbm': "isch", **google_info['params'], 'asearch': 'isch'})
            # don't urlencode this because wildly different AND bad results
            # pagination uses Zero-based numbering
            + f'&async=_fmt:json,p:1,ijn:{params["pageno"] - 1}'
        )

        if params['time_range'] in time_range_dict:
            query_url += '&' + urlencode({'tbs': 'qdr:' + time_range_dict[params['time_range']]})
        if params['safesearch']:
            query_url += '&' + urlencode({'safe': filter_mapping[params['safesearch']]})
        params['url'] = query_url
        params['cookies'] = google_info['cookies']
        params['headers'].update(google_info['headers'])
        # this ua will allow getting ~50 results instead of 10. #1641
        params['headers']['User-Agent'] = (
            'NSTN/3.60.474802233.release Dalvik/2.1.0 (Linux; U; Android 12;' f' {google_info.get("country", "US")}) gzip'
        )

        return params

    def response(resp):
        """Get response from google's search request"""
        results = []

        detect_google_sorry(resp)

        json_start = resp.text.find('{"ischj":')
        json_data = loads(resp.text[json_start:])

        for item in json_data["ischj"].get("metadata", []):
            result_item = {
                'url': item["result"]["referrer_url"],
                'title': item["result"]["page_title"],
                'content': item["text_in_grid"]["snippet"],
                'source': item["result"]["site_title"],
                'resolution': f'{item["original_image"]["width"]} x {item["original_image"]["height"]}',
                'img_src': item["original_image"]["url"],
                'thumbnail_src': item["thumbnail"]["url"],
                'template': 'images.html',
            }

            author = item["result"].get('iptc', {}).get('creator')
            if author:
                result_item['author'] = ', '.join(author)

            copyright_notice = item["result"].get('iptc', {}).get('copyright_notice')
            if copyright_notice:
                result_item['source'] += ' | ' + copyright_notice

            freshness_date = item["result"].get("freshness_date")
            if freshness_date:
                result_item['source'] += ' | ' + freshness_date

            file_size = item.get('gsa', {}).get('file_size')
            if file_size:
                result_item['source'] += ' (%s)' % file_size

            results.append(result_item)

        return results