#![no_std]
#![no_main]

use embassy_executor::Spawner;
use embassy_futures::join::join;
use embassy_time::{with_timeout, Duration, Timer};
use esp_csi_rs::logging::logging::LogMode;
use esp_csi_rs::{
    config::CsiConfig, logging::logging::init_logger, CSINode, CollectionMode, EspNowConfig,
};
use esp_csi_rs::{
    CSINodeClient, CSINodeHardware, get_pps_rx, get_pps_tx, get_dropped_packets_rx,
    get_one_way_latency, get_two_way_latency, log_ln,
};
use esp_hal::clock::CpuClock;
use esp_hal::timer::timg::TimerGroup;
use esp_radio::wifi::WifiController;
use {esp_backtrace as _, esp_println as _};

extern crate alloc;

static WIFI_CONTROLLER: static_cell::StaticCell<WifiController<'static>> =
    static_cell::StaticCell::new();

// This creates a default app-descriptor required by the esp-idf bootloader.
// For more information see: <https://docs.espressif.com/projects/esp-idf/en/stable/esp32/api-reference/system/app_image_format.html#application-description>
esp_bootloader_esp_idf::esp_app_desc!();

#[allow(
    clippy::large_stack_frames,
    reason = "it's not unusual to allocate larger buffers etc. in main"
)]

macro_rules! mk_static {
    ($t:ty,$val:expr) => {{
        static STATIC_CELL: static_cell::StaticCell<$t> = static_cell::StaticCell::new();
        #[deny(unused_attributes)]
        let x = STATIC_CELL.uninit().write(($val));
        x
    }};
}

async fn node_task_listener(client: &mut CSINodeClient) {
    log_ln!("Starting Listener Task");

    Timer::after(Duration::from_millis(10)).await;
    client.send_stop().await;
}

async fn node_task_collector(client: &mut CSINodeClient) {
    log_ln!("Starting Collector Task");

    with_timeout(Duration::from_secs(10), async {
        loop {
            Timer::after_secs(1).await;
            log_ln!(
                "RX PPS: {}, TX PPS: {}, RX Dropped Packets: {}, One Way Latency: {}, Two Way Latency: {}",
                get_pps_rx(),
                get_pps_tx(),
                get_dropped_packets_rx(),
                get_one_way_latency(),
                get_two_way_latency()
            )
        }
    })
    .await
    .unwrap_err();
    client.send_stop().await;
}

#[esp_rtos::main]
async fn main(spawner: Spawner) -> ! {
    // generator version: 1.1.0

    let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
    let peripherals = esp_hal::init(config);
    init_logger(spawner, LogMode::Text);

    esp_alloc::heap_allocator!(#[esp_hal::ram(reclaimed)] size: 61440);

    let timg0 = TimerGroup::new(peripherals.TIMG0);
    let sw_interrupt =
        esp_hal::interrupt::software::SoftwareInterruptControl::new(peripherals.SW_INTERRUPT);
    esp_rtos::start(timg0.timer0, sw_interrupt.software_interrupt0);

    log_ln!("Embassy initialized!");
    log_ln!("Starting Runtime Config Node");

    let config_radio = esp_radio::wifi::ControllerConfig::default();
    let (wifi_controller, mut interfaces) =
        esp_radio::wifi::new(peripherals.WIFI, config_radio)
            .expect("Failed to initialize Wi-Fi controller");

    let controller = WIFI_CONTROLLER.init(wifi_controller);

    let mut node_handle = CSINodeClient::new();
    let csi_hardware = CSINodeHardware::new(&mut interfaces, controller);
    let mut node = CSINode::new(
        esp_csi_rs::Node::Central(esp_csi_rs::CentralOpMode::EspNow(
            EspNowConfig::default(),
        )),
        CollectionMode::Collector,
        Some(CsiConfig::default()),
        Some(1000),
        csi_hardware,
    );
    node.set_protocol(esp_radio::wifi::Protocol::LR);
    node.set_rate(esp_radio::esp_now::WifiPhyRate::RateMcs0Lgi);
    
    join(node.run(), node_task_collector(&mut node_handle)).await;
    node.set_collection_mode(CollectionMode::Listener);
    join(node.run(), node_task_listener(&mut node_handle)).await;

    loop {
        log_ln!("Hello world!");
        Timer::after(Duration::from_secs(1)).await;
    }

    // for inspiration have a look at the examples at https://github.com/esp-rs/esp-hal/tree/esp-hal-v~1.0/examples
}
