use std::sync::Arc; use crate::{AgentTool, ToolCallEventStream};use agent_client_protocol as acp;use anyhow::{Result, anyhow};use cloud_llm_client::WebSearchResponse;use gpui::{App, AppContext, Task};use language_model::{    LanguageModelProviderId, LanguageModelToolResultContent, ZED_CLOUD_PROVIDER_ID,};use schemars::JsonSchema;use serde::{Deserialize, Serialize};use ui::prelude::*;use web_search::WebSearchRegistry; /// Search the web for information using your query./// Use this when you need real-time information, facts, or data that might not be in your training./// Results will include snippets and links from relevant web pages.#[derive(Debug, Serialize, Deserialize, JsonSchema)]pub struct WebSearchToolInput {    /// The search term or question to query on the web.    query: String,} #[derive(Debug, Serialize, Deserialize)]#[serde(transparent)]pub struct WebSearchToolOutput(WebSearchResponse); impl From<WebSearchToolOutput> for LanguageModelToolResultContent {    fn from(value: WebSearchToolOutput) -> Self {        serde_json::to_string(&value.0)            .expect("Failed to serialize WebSearchResponse")            .into()    }} pub struct WebSearchTool; impl AgentTool for WebSearchTool {    type Input = WebSearchToolInput;    type Output = WebSearchToolOutput;     fn name() -> &'static str {        "web_search"    }     fn kind() -> acp::ToolKind {        acp::ToolKind::Fetch    }     fn initial_title(        &self,        _input: Result<Self::Input, serde_json::Value>,        _cx: &mut App,    ) -> SharedString {        "Searching the Web".into()    }     /// We currently only support Zed Cloud as a provider.    fn supports_provider(provider: &LanguageModelProviderId) -> bool {        provider == &ZED_CLOUD_PROVIDER_ID    }     fn run(        self: Arc<Self>,        input: Self::Input,        event_stream: ToolCallEventStream,        cx: &mut App,    ) -> Task<Result<Self::Output>> {        let Some(provider) = WebSearchRegistry::read_global(cx).active_provider() else {            return Task::ready(Err(anyhow!("Web search is not available.")));        };         let search_task = provider.search(input.query, cx);        cx.background_spawn(async move {            let response = match search_task.await {                Ok(response) => response,                Err(err) => {                    event_stream                        .update_fields(acp::ToolCallUpdateFields::new().title("Web Search Failed"));                    return Err(err);                }            };             emit_update(&response, &event_stream);            Ok(WebSearchToolOutput(response))        })    }     fn replay(        &self,        _input: Self::Input,        output: Self::Output,        event_stream: ToolCallEventStream,        _cx: &mut App,    ) -> Result<()> {        emit_update(&output.0, &event_stream);        Ok(())    }} fn emit_update(response: &WebSearchResponse, event_stream: &ToolCallEventStream) {    let result_text = if response.results.len() == 1 {        "1 result".to_string()    } else {        format!("{} results", response.results.len())    };    event_stream.update_fields(        acp::ToolCallUpdateFields::new()            .title(format!("Searched the web: {result_text}"))            .content(                response                    .results                    .iter()                    .map(|result| {                        acp::ToolCallContent::Content(acp::Content::new(                            acp::ContentBlock::ResourceLink(                                acp::ResourceLink::new(result.title.clone(), result.url.clone())                                    .title(result.title.clone())                                    .description(result.text.clone()),                            ),                        ))                    })                    .collect::<Vec<_>>(),            ),    );}