use crate::config::Config;
use crate::domain::{AppId, Target};
use crate::events::EventTx;
use crate::ota::OtaRegistry;
use crate::topology::Topology;
use metrics_exporter_prometheus::PrometheusHandle;
use sqlx::SqlitePool;
use std::collections::HashMap;
use std::sync::Arc;
use tokio::sync::Mutex;
use tokio::task::AbortHandle;

#[derive(Clone)]
pub struct AppState {
    pub pool: SqlitePool,
    pub topo: Arc<Topology>,
    pub cfg: Arc<Config>,
    pub prom: PrometheusHandle,
    pub events: EventTx,
    pub ota: Arc<OtaRegistry>,
    /// Single-slot guard per `(app, target)`: a newer build for the same
    /// target aborts the in-flight one (latest request wins), mirroring
    /// Sando's `active_build`. Other targets keep running — that's the fan-out.
    pub active: Arc<Mutex<HashMap<(AppId, Target), AbortHandle>>>,
}