import logging
from typing import Optional
from urllib.parse import urlencode

import requests
from open_webui.retrieval.web.main import SearchResult, get_filtered_results

log = logging.getLogger(__name__)


def search_serply(
    api_key: str,
    query: str,
    count: int,
    hl: str = 'us',
    limit: int = 10,
    device_type: str = 'desktop',
    proxy_location: str = 'US',
    filter_list: Optional[list[str]] = None,
) -> list[SearchResult]:
    """Search using serper.dev's API and return the results as a list of SearchResult objects.

    Args:
        api_key (str): A serply.io API key
        query (str): The query to search for
        hl (str): Host Language code to display results in (reference https://developers.google.com/custom-search/docs/xml_results?hl=en#wsInterfaceLanguages)
        limit (int): The maximum number of results to return [10-100, defaults to 10]
    """
    log.info('Searching with Serply')

    url = 'https://api.serply.io/v1/search/'

    query_payload = {
        'q': query,
        'language': 'en',
        'num': limit,
        'gl': proxy_location.upper(),
        'hl': hl.lower(),
    }

    url = f'{url}{urlencode(query_payload)}'
    headers = {
        'X-API-KEY': api_key,
        'X-User-Agent': device_type,
        'User-Agent': 'open-webui',
        'X-Proxy-Location': proxy_location,
    }

    response = requests.request('GET', url, headers=headers)
    response.raise_for_status()

    json_response = response.json()
    log.info(f'results from serply search: {json_response}')

    results = sorted(json_response.get('results', []), key=lambda x: x.get('realPosition', 0))
    if filter_list:
        results = get_filtered_results(results, filter_list)
    return [
        SearchResult(
            link=result['link'],
            title=result.get('title'),
            snippet=result.get('description'),
        )
        for result in results[:count]
    ]