use crate::core::config::Config;
use dashmap::DashMap;
use serde::Serialize;
use sqlx::SqlitePool;
use std::sync::{Arc, atomic::AtomicUsize};
use tokio::sync::{mpsc, oneshot};

pub type Database = SqlitePool;
pub type DeviceCounts = DashMap<String, Arc<AtomicUsize>>;
pub type Registry = DashMap<(String, String), RegistryEntry>;

pub struct AppState {
    pub database: Database,
    pub registry: Arc<Registry>,
    pub device_counts: Arc<DeviceCounts>,
    pub config: Arc<Config>,
}

pub struct RegistryEntry {
    pub sender: mpsc::Sender<PendingExec>,
    pub in_flight: Arc<AtomicUsize>,
}

#[derive(Debug, Serialize)]
pub struct ExecResult {
    pub exit_code: i32,
    pub stdout: String,
    pub stderr: String,
}

pub struct PendingExec {
    pub exec_id: String,
    pub command: String,
    pub reply: oneshot::Sender<ExecResult>,
}