use crate::display::primary_lcd::PrimaryLcdDisplay;

use alloc::format;
use embedded_graphics::Drawable;
use embedded_graphics::geometry::AngleUnit as _;
use embedded_graphics::geometry::Dimensions as _;
use embedded_graphics::mono_font::MonoTextStyle;
use embedded_graphics::mono_font::ascii::FONT_6X10;
use embedded_graphics::pixelcolor::Rgb565;
use embedded_graphics::prelude::Point;
use embedded_graphics::prelude::RgbColor;
use embedded_graphics::primitives::Arc;
use embedded_graphics::primitives::Primitive as _;
use embedded_graphics::primitives::PrimitiveStyleBuilder;
use embedded_graphics::primitives::StrokeAlignment;
use embedded_graphics::text::Alignment;
use embedded_graphics::text::Baseline;
use embedded_graphics::text::Text;
use embedded_graphics::text::TextStyleBuilder;
use embedded_graphics_core::draw_target::DrawTarget;

pub struct ScanMenu {
    progress: u8, // 0..255
}

impl super::navigation::Displayable for ScanMenu {
    fn display(
        &self,
        display: &mut PrimaryLcdDisplay<'static>,
    ) -> impl core::future::Future<Output = ()> + Send {
        let style = MonoTextStyle::new(&FONT_6X10, Rgb565::WHITE);

        Text::new("Scanning...", Point::new(20, 240), style)
            .draw(display)
            .unwrap();

        // Create styles used by the drawing operations.
        let arc_stroke = PrimitiveStyleBuilder::new()
            .stroke_color(Rgb565::WHITE)
            .stroke_width(5)
            .stroke_alignment(StrokeAlignment::Inside)
            .build();
        let character_style = MonoTextStyle::new(&FONT_6X10, Rgb565::WHITE);
        let text_style = TextStyleBuilder::new()
            .baseline(Baseline::Middle)
            .alignment(Alignment::Center)
            .build();

        display.clear(Rgb565::BLACK).unwrap();

        let sweep = self.progress as f32 * 360.0 / 100.0;

        // Draw an arc with a 5px wide stroke.
        Arc::new(Point::new(2, 2), 64 - 4, 90.0.deg(), sweep.deg())
            .into_styled(arc_stroke)
            .draw(display)
            .unwrap();

        // Draw centered text.
        let text = format!("{}%", self.progress);
        Text::with_text_style(
            &text,
            display.bounding_box().center(),
            character_style,
            text_style,
        )
        .draw(display)
        .unwrap();

        core::future::ready(())
    }
}