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wisp/
runtime_state.rs

1use crate::cli::Cli;
2use crate::error::AppError;
3use crate::settings::{StatusLineSettings, WispSettings};
4use crate::workspace_status::WorkspaceStatus;
5use acp_utils::client::{AcpClientError, AcpEvent, AcpPromptHandle, TokioAcpAgent, spawn_acp_session};
6use agent_client_protocol::schema::ProtocolVersion;
7use agent_client_protocol::schema::v1::{
8    AuthMethod, Implementation, InitializeRequest, NewSessionRequest, PromptCapabilities, SessionCapabilities,
9    SessionConfigOption, SessionId,
10};
11use std::env::current_dir;
12use std::str::FromStr;
13use tokio::sync::mpsc;
14use tui::Theme;
15
16#[doc = include_str!("docs/runtime_state.md")]
17pub struct RuntimeState {
18    pub session_id: SessionId,
19    pub agent_name: String,
20    pub prompt_capabilities: PromptCapabilities,
21    pub session_capabilities: SessionCapabilities,
22    pub config_options: Vec<SessionConfigOption>,
23    pub auth_methods: Vec<AuthMethod>,
24    pub theme: Theme,
25    pub settings: WispSettings,
26    pub event_rx: mpsc::UnboundedReceiver<AcpEvent>,
27    pub prompt_handle: AcpPromptHandle,
28    pub working_dir: std::path::PathBuf,
29    pub workspace_status: WorkspaceStatus,
30}
31
32impl RuntimeState {
33    pub async fn new(agent_command: &str, settings: WispSettings) -> Result<Self, AppError> {
34        let cwd = current_dir().unwrap_or_else(|_| std::path::PathBuf::from("."));
35        let workspace_status = WorkspaceStatus::resolve(&cwd);
36        let new_session_request = NewSessionRequest::new(cwd.clone());
37        let init_request = InitializeRequest::new(ProtocolVersion::V1)
38            .client_info(Implementation::new("wisp", env!("CARGO_PKG_VERSION")));
39
40        let agent = TokioAcpAgent::from_str(agent_command).map_err(AcpClientError::InvalidAgentCommand)?;
41        let session = spawn_acp_session(agent, init_request, new_session_request).await.map_err(AppError::Acp)?;
42
43        let theme = crate::settings::load_theme(&settings);
44
45        Ok(Self {
46            session_id: session.session_id,
47            agent_name: session.agent_name,
48            prompt_capabilities: session.prompt_capabilities,
49            session_capabilities: session.session_capabilities,
50            config_options: session.config_options,
51            auth_methods: session.auth_methods,
52            theme,
53            settings,
54            event_rx: session.event_rx,
55            prompt_handle: session.prompt_handle,
56            working_dir: cwd,
57            workspace_status,
58        })
59    }
60
61    pub async fn from_cli(cli: &Cli) -> Result<Self, AppError> {
62        Self::new(&cli.agent, crate::settings::load_or_create_settings(StatusLineSettings::defaults())).await
63    }
64}