use crate::agents::AgentPool;
use crate::io::watcher::WatcherEvent;
use crate::state::SessionState;
use crate::store::JsonFileStore;
use crate::workflow::WorkflowState;
use poem::http::StatusCode;
use std::sync::Arc;
use tokio::sync::broadcast;

#[derive(Clone)]
pub struct AppContext {
    pub state: Arc<SessionState>,
    pub store: Arc<JsonFileStore>,
    pub workflow: Arc<std::sync::Mutex<WorkflowState>>,
    pub agents: Arc<AgentPool>,
    /// Broadcast channel for filesystem watcher events. WebSocket handlers
    /// subscribe to this to push lifecycle notifications to connected clients.
    pub watcher_tx: broadcast::Sender<WatcherEvent>,
}

#[cfg(test)]
impl AppContext {
    pub fn new_test(project_root: std::path::PathBuf) -> Self {
        let state = SessionState::default();
        *state.project_root.lock().unwrap() = Some(project_root.clone());
        let store_path = project_root.join(".story_kit_store.json");
        let (watcher_tx, _) = broadcast::channel(64);
        Self {
            state: Arc::new(state),
            store: Arc::new(JsonFileStore::new(store_path).unwrap()),
            workflow: Arc::new(std::sync::Mutex::new(WorkflowState::default())),
            agents: Arc::new(AgentPool::new(3001)),
            watcher_tx,
        }
    }
}

pub type OpenApiResult<T> = poem::Result<T>;

pub fn bad_request(message: String) -> poem::Error {
    poem::Error::from_string(message, StatusCode::BAD_REQUEST)
}