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import gradio as gr
import pandas as pd
from langchain_community.utilities import SerpAPIWrapper

from utils.helpers import map_results

from .base import BaseInterfaceWrapper


async def serpapi_search(
    query: str, api_key: str, max_results: int = 5
) -> pd.DataFrame:
    """
    Given a search query, returns the search results from SerpAPI.

    Args:
        query (str): The search query.
        api_key (str): The API key for SerpAPI.
        max_results (int, optional): The number of maximum results to return. Defaults to 5.

    Returns:
        dict: The search results from SerpAPI Search Engine. Fields:
            headers (list): The headers of the columns in the search results. Contains "title", "link", "body".
            data (list): The data in the search results. Each row contains the title, link, and body of the search result.
    """
    serpapi = SerpAPIWrapper(
        serpapi_api_key=api_key,
    )
    results = await serpapi.aresults(query)
    results = results["organic_results"]
    results = results[:max_results]
    mapping = {
        "title": "title",
        "link": "link",
        "snippet": "body",
    }
    results = await map_results(results, mapping)
    return results


class SerpAPIInterfaceWrapper(BaseInterfaceWrapper):
    def __init__(self):
        super().__init__(
            fn=serpapi_search,
            inputs=[
                gr.Textbox(label="Search Query"),
                gr.Textbox(label="API Key", type="password"),
                gr.Slider(
                    minimum=1, maximum=10, step=1, value=5, label="Number of Results"
                ),
            ],
            title="SerpAPI Search",
            description="Search the web using SerpAPI Search Engine.",
        )