//! Интеграция `Power1` + dev-mock на session-шине. `#[ignore]` — запуск: `just test-integration`.
//! Проверяет state по шине и fake-ACC: `dev.PowerMock1.SetAcc` → сигнал `Power1.AccChanged`.

use futures_util::StreamExt;
use shturman_ipc::{names, types::PowerState};
use shturman_power::coprocessor::MockCoprocessor;
use shturman_power::thermal::MockTempSource;
use shturman_power::PowerService;
use shturman_sdk::PowerClient;
use std::sync::Arc;

#[tokio::test]
#[ignore = "нужна session-шина: just test-integration"]
async fn power_state_and_fake_acc() {
    let svc = PowerService::new();
    let mock = svc.mock(
        Arc::new(MockTempSource::new(20)),
        Arc::new(MockCoprocessor::new()),
    );

    // сервер: Power1 + dev.PowerMock1 на одном пути (владеет ru.shturman.Power)
    let server = zbus::Connection::session().await.unwrap();
    server
        .object_server()
        .at(names::power::PATH, svc)
        .await
        .unwrap();
    server
        .object_server()
        .at(names::power::PATH, mock)
        .await
        .unwrap();
    server.request_name(names::power::NAME).await.unwrap();

    let client_conn = zbus::Connection::session().await.unwrap();
    let power = PowerClient::new(&client_conn).await.unwrap();
    assert_eq!(power.power_state().await.unwrap(), PowerState::Running);

    // подписка на AccChanged
    let mut acc = power.proxy().receive_acc_changed().await.unwrap();

    // dev.PowerMock1.SetAcc(false) сырым D-Bus-вызовом
    client_conn
        .call_method(
            Some(names::power::NAME),
            names::power::PATH,
            Some(names::power::MOCK_IFACE),
            "SetAcc",
            &(false,),
        )
        .await
        .unwrap();

    let sig = acc.next().await.unwrap();
    assert!(!sig.args().unwrap().on());
}

#[tokio::test]
#[ignore = "нужна session-шина: just test-integration"]
async fn shutdown_imminent_then_abort() {
    let svc = PowerService::new();
    let mock = svc.mock(
        Arc::new(MockTempSource::new(20)),
        Arc::new(MockCoprocessor::new()),
    );
    let server = zbus::Connection::session().await.unwrap();
    server
        .object_server()
        .at(names::power::PATH, svc)
        .await
        .unwrap();
    server
        .object_server()
        .at(names::power::PATH, mock)
        .await
        .unwrap();
    server.request_name(names::power::NAME).await.unwrap();

    let client = zbus::Connection::session().await.unwrap();
    let power = PowerClient::new(&client).await.unwrap();
    let mut imminent = power.proxy().receive_shutdown_imminent().await.unwrap();
    let mut aborted = power.proxy().receive_shutdown_aborted().await.unwrap();

    // ACC-off → ShutdownImminent(acc_off), состояние shutting_down
    client
        .call_method(
            Some(names::power::NAME),
            names::power::PATH,
            Some(names::power::MOCK_IFACE),
            "SetAcc",
            &(false,),
        )
        .await
        .unwrap();
    let sig = imminent.next().await.unwrap();
    assert_eq!(sig.args().unwrap().reason(), "acc_off");
    assert_eq!(power.power_state().await.unwrap(), PowerState::ShuttingDown);

    // re-power до grace → ShutdownAborted + running
    client
        .call_method(
            Some(names::power::NAME),
            names::power::PATH,
            Some(names::power::MOCK_IFACE),
            "SetAcc",
            &(true,),
        )
        .await
        .unwrap();
    aborted.next().await.unwrap();
    assert_eq!(power.power_state().await.unwrap(), PowerState::Running);
}

#[tokio::test]
#[ignore = "нужна session-шина: just test-integration"]
async fn thermal_trip_then_clear() {
    let svc = PowerService::new();
    let fsm = svc.fsm_handle();
    let thermal_state = svc.thermal_state_handle();
    let temp = Arc::new(MockTempSource::new(20));
    let copro = Arc::new(MockCoprocessor::new());

    let server = zbus::Connection::session().await.unwrap();
    server
        .object_server()
        .at(names::power::PATH, svc)
        .await
        .unwrap();
    server.request_name(names::power::NAME).await.unwrap();
    let iface = server
        .object_server()
        .interface::<_, PowerService>(names::power::PATH)
        .await
        .unwrap();
    let ctx = iface.signal_context().to_owned();
    shturman_power::service::spawn_loops(
        fsm,
        thermal_state,
        temp.clone() as Arc<dyn shturman_power::thermal::TempSource>,
        Arc::new(shturman_power::thermal::NoopThrottler::default())
            as Arc<dyn shturman_power::thermal::Throttler>,
        copro as Arc<dyn shturman_power::coprocessor::Coprocessor>,
        ctx,
    );

    let client = zbus::Connection::session().await.unwrap();
    let power = PowerClient::new(&client).await.unwrap();
    let mut imminent = power.proxy().receive_shutdown_imminent().await.unwrap();
    let mut aborted = power.proxy().receive_shutdown_aborted().await.unwrap();

    // перегрев → ShutdownImminent(thermal)
    temp.set(99);
    let sig = imminent.next().await.unwrap();
    assert_eq!(sig.args().unwrap().reason(), "thermal");
    assert_eq!(power.power_state().await.unwrap(), PowerState::ShuttingDown);

    // остыло до PONR → ShutdownAborted + running
    temp.set(20);
    aborted.next().await.unwrap();
    assert_eq!(power.power_state().await.unwrap(), PowerState::Running);
}

#[tokio::test]
#[ignore = "нужна session-шина: just test-integration"]
async fn mcu_failsafe_cuts_on_hang() {
    let svc = PowerService::new();
    let fsm = svc.fsm_handle();
    let thermal_state = svc.thermal_state_handle();
    let temp = Arc::new(MockTempSource::new(20));
    let copro = Arc::new(MockCoprocessor::new());

    let server = zbus::Connection::session().await.unwrap();
    server
        .object_server()
        .at(names::power::PATH, svc)
        .await
        .unwrap();
    server.request_name(names::power::NAME).await.unwrap();
    let iface = server
        .object_server()
        .interface::<_, PowerService>(names::power::PATH)
        .await
        .unwrap();
    let ctx = iface.signal_context().to_owned();
    shturman_power::service::spawn_loops(
        fsm,
        thermal_state,
        temp as Arc<dyn shturman_power::thermal::TempSource>,
        Arc::new(shturman_power::thermal::NoopThrottler::default())
            as Arc<dyn shturman_power::thermal::Throttler>,
        copro.clone() as Arc<dyn shturman_power::coprocessor::Coprocessor>,
        ctx,
    );

    let client = zbus::Connection::session().await.unwrap();
    let power = PowerClient::new(&client).await.unwrap();
    assert_eq!(power.power_state().await.unwrap(), PowerState::Running);

    // дать coproc-циклу послать ≥1 heartbeat (иначе last_heartbeat=0 и guard не даст cut)
    tokio::time::sleep(std::time::Duration::from_millis(1300)).await;
    copro.hang(); // SoC завис → heartbeat не освежает таймер
                  // ждём, пока coproc-цикл (HEARTBEAT=1с) накопит > FAILSAFE_MISS окон и сделает FailsafeCut
    for _ in 0..10 {
        tokio::time::sleep(std::time::Duration::from_millis(700)).await;
        if power.power_state().await.unwrap() == PowerState::Off {
            break;
        }
    }
    assert_eq!(power.power_state().await.unwrap(), PowerState::Off);
}