#![no_std]
#![no_main]

use defmt::*;
use defmt_rtt as _;
use embassy_executor::Spawner;
use embassy_rp::{
    bind_interrupts,
    peripherals::USB,
    usb::{Driver as UsbDriver, InterruptHandler as UsbInterruptHandler},
};
use embassy_time::Timer;
use panic_probe as _;

use crate::usb::{USB_TX_CHANNEL, handle_usb};
use usb_communication_shared::response::*;

mod usb;

bind_interrupts!(struct Irqs{
   USBCTRL_IRQ => UsbInterruptHandler<USB>;
});

#[embassy_executor::main(
    executor = "embassy_rp::executor::Executor",
    entry = "cortex_m_rt::entry"
)]
async fn main(spawner: Spawner) {
    let p = embassy_rp::init(Default::default());

    let usb_driver = UsbDriver::new(p.USB, Irqs);

    let pin = embassy_rp::gpio::Output::new(p.PIN_26, true);

    spawner.spawn(handle_usb(usb_driver).unwrap());

    let led_future = async {
        loop {
            info!("led on!");
            let response = Packet::LedStatus(LedStatus {
                id: 0,
                status: LedState::On,
            });
            USB_TX_CHANNEL.send(response).await;

            Timer::after_millis(500).await;

            info!("led off!");
            let response = Packet::LedStatus(LedStatus {
                id: 0,
                status: LedState::Off,
            });
            USB_TX_CHANNEL.send(response).await;
            Timer::after_millis(500).await;
        }
    };

    led_future.await;
}

// Program metadata for `picotool info`.
// This isn't needed, but it's recommended to have these minimal entries.
#[unsafe(link_section = ".bi_entries")]
#[used]
pub static PICOTOOL_ENTRIES: [embassy_rp::binary_info::EntryAddr; 4] = [
    embassy_rp::binary_info::rp_program_name!(c"USB-Communication"),
    embassy_rp::binary_info::rp_program_description!(c"USB-Communication System"),
    embassy_rp::binary_info::rp_cargo_version!(),
    embassy_rp::binary_info::rp_program_build_attribute!(),
];