1use crate::{AgentServerDelegate, load_proxy_env};
  2use acp_thread::AgentConnection;
  3use agent_client_protocol as acp;
  4use anyhow::{Context as _, Result};
  5use fs::Fs;
  6use gpui::{App, AppContext as _, SharedString, Task};
  7use project::agent_server_store::{AllAgentServersSettings, ExternalAgentServerName};
  8use settings::{SettingsStore, update_settings_file};
  9use std::{path::Path, rc::Rc, sync::Arc};
 10use ui::IconName;
 11
 12/// A generic agent server implementation for custom user-defined agents
 13pub struct CustomAgentServer {
 14    name: SharedString,
 15}
 16
 17impl CustomAgentServer {
 18    pub fn new(name: SharedString) -> Self {
 19        Self { name }
 20    }
 21}
 22
 23impl crate::AgentServer for CustomAgentServer {
 24    fn telemetry_id(&self) -> &'static str {
 25        "custom"
 26    }
 27
 28    fn name(&self) -> SharedString {
 29        self.name.clone()
 30    }
 31
 32    fn logo(&self) -> IconName {
 33        IconName::Terminal
 34    }
 35
 36    fn default_mode(&self, cx: &mut App) -> Option<acp::SessionModeId> {
 37        let settings = cx.read_global(|settings: &SettingsStore, _| {
 38            settings
 39                .get::<AllAgentServersSettings>(None)
 40                .custom
 41                .get(&self.name())
 42                .cloned()
 43        });
 44
 45        settings
 46            .as_ref()
 47            .and_then(|s| s.default_mode.clone().map(|m| acp::SessionModeId(m.into())))
 48    }
 49
 50    fn set_default_mode(&self, mode_id: Option<acp::SessionModeId>, fs: Arc<dyn Fs>, cx: &mut App) {
 51        let name = self.name();
 52        update_settings_file(fs, cx, move |settings, _| {
 53            if let Some(settings) = settings
 54                .agent_servers
 55                .get_or_insert_default()
 56                .custom
 57                .get_mut(&name)
 58            {
 59                settings.default_mode = mode_id.map(|m| m.to_string())
 60            }
 61        });
 62    }
 63
 64    fn connect(
 65        &self,
 66        root_dir: Option<&Path>,
 67        delegate: AgentServerDelegate,
 68        cx: &mut App,
 69    ) -> Task<Result<(Rc<dyn AgentConnection>, Option<task::SpawnInTerminal>)>> {
 70        let name = self.name();
 71        let root_dir = root_dir.map(|root_dir| root_dir.to_string_lossy().into_owned());
 72        let is_remote = delegate.project.read(cx).is_via_remote_server();
 73        let default_mode = self.default_mode(cx);
 74        let store = delegate.store.downgrade();
 75        let extra_env = load_proxy_env(cx);
 76
 77        cx.spawn(async move |cx| {
 78            let (command, root_dir, login) = store
 79                .update(cx, |store, cx| {
 80                    let agent = store
 81                        .get_external_agent(&ExternalAgentServerName(name.clone()))
 82                        .with_context(|| {
 83                            format!("Custom agent server `{}` is not registered", name)
 84                        })?;
 85                    anyhow::Ok(agent.get_command(
 86                        root_dir.as_deref(),
 87                        extra_env,
 88                        delegate.status_tx,
 89                        delegate.new_version_available,
 90                        &mut cx.to_async(),
 91                    ))
 92                })??
 93                .await?;
 94            let connection = crate::acp::connect(
 95                name,
 96                command,
 97                root_dir.as_ref(),
 98                default_mode,
 99                is_remote,
100                cx,
101            )
102            .await?;
103            Ok((connection, login))
104        })
105    }
106
107    fn into_any(self: Rc<Self>) -> Rc<dyn std::any::Any> {
108        self
109    }
110}