use std::collections::HashMap;
use std::sync::{Arc, Mutex, RwLock};

use tauri::async_runtime::JoinHandle;

use crate::ble::SensorSource;
use crate::device::Device;

/// Last trainer targets, reapplied after reconnect.
#[derive(Default)]
pub struct TrainerTargets {
    pub power: Option<i16>, // watts
    pub cadence: Option<u16>, // rpm (raw, as entered by user)
}

pub struct State {
    pub source: Arc<dyn SensorSource>,
    /// Все найденные при скане устройства (для поиска по id при подключении).
    pub devices: RwLock<Vec<Device>>,
    /// id подключённого станка (тренера).
    pub trainer: Mutex<Option<String>>,
    /// Потоки телеметрии по категориям ("hr"/"cadence"/"trainer")
    pub streams: Mutex<HashMap<String, JoinHandle<()>>>,
    /// Last trainer targets, reapplied after reconnect.
    pub trainer_targets: Mutex<TrainerTargets>,
}