use eyre::{bail, Context};
use labelo_p710bt::commander::P710btCommander;
use labelo_p710bt::protocol::{AdvancedModeSettings, VariousModeSettings};
use labelo_p710bt::usb::UsbP710bt;
use tracing::info;
use tracing_subscriber::layer::SubscriberExt;
use tracing_subscriber::util::SubscriberInitExt;

pub fn main() -> eyre::Result<()> {
    tracing_subscriber::registry()
        .with(
            tracing_subscriber::EnvFilter::try_from_default_env()
                .unwrap_or_else(|_| "p710bt=debug,info".into()),
        )
        .with(tracing_subscriber::fmt::layer())
        .init();

    let mut devices = UsbP710bt::list_devices()?;

    if devices.len() != 1 {
        bail!("Found {} P710BT devices, aborting.", devices.len());
    }

    let device = UsbP710bt::open(devices.remove(0))?;
    let mut printer = P710btCommander::new(device)?;

    printer.invalidate_and_initialise()?;
    let status = printer.status()?;
    info!("Printer status: {status:?}");

    printer.set_raster_mode_and_automatic_notification()?;

    // printer.print_information(status.media_type.unwrap(), status.media_width_mm, 128, true)
    //     .context("PIC")?;
    //
    // printer.set_mode_settings(
    //     VariousModeSettings::AUTO_CUT,
    //     AdvancedModeSettings::HIGH_RES_PRINTING,
    //     4
    // )?;

    // for i in 0u16..128u16 {
    //     let mut line = [0u8; 16];
    //     for bit in 0..16 {
    //         if (i >> bit) & 1 == 1 {
    //             line[bit as usize] = 0xFF;
    //         }
    //     }
    //
    //     //eprintln!("ln = {line:?}");
    //
    //     printer.raster_line(line)
    //         .with_context(|| format!("line {line:?}"))?;
    // }
    //
    // printer.finish_printing(true)?;

    for page in 0..3 {
        printer
            .print_information(
                status.media_type.unwrap(),
                status.media_width_mm,
                512,
                page == 0,
            )
            .context("PIC")?;

        printer.set_mode_settings(
            VariousModeSettings::AUTO_CUT,
            AdvancedModeSettings::HIGH_RES_PRINTING
                | AdvancedModeSettings::NO_BUFFER_CLEARING_WHEN_PRINTING,
            4,
        )?;

        for i in 0u16..512u16 {
            let mut line = [0u8; 16];
            for bit in 0..16 {
                if ((i + page * 512) >> bit) & 1 == 1 {
                    line[bit as usize] = 0xFF;
                }
            }

            //eprintln!("ln = {line:?}");

            printer
                .raster_line(line)
                .with_context(|| format!("line {line:?}"))?;
        }

        printer.finish_printing(page == 3)?;
    }

    Ok(())
}