use kernel_macros::include_bitmap_image;

use crate::draw::{Color, Draw};

pub const CURSOR_WIDTH: usize = 8;
pub const CURSOR_HEIGHT: usize = 10;
pub const CURSOR_SIZE: usize = (CURSOR_HEIGHT * CURSOR_WIDTH) / 8;
pub static CURSOR: [u8; CURSOR_SIZE] = include_bitmap_image! {"assets/cursor.png"};

pub fn draw_cursor<T: Draw>(drawer: &mut T, x: u16, y: u16) {
    for i in 0..CURSOR_HEIGHT {
        for j in 0..CURSOR_WIDTH {
            let pos = i * CURSOR_WIDTH + j;
            if CURSOR[pos / 8] & (1 << (pos % 8)) != 0 {
                unsafe {
                    drawer.write_pixel_unsafe(
                        x.saturating_add(j as u16),
                        y.saturating_add(i as u16),
                        Color::WHITE,
                    )
                };
            }
        }
    }
}
pub fn clear_cursor<T: Draw>(drawer: &mut T, x: u16, y: u16) {
    for i in 0..CURSOR_HEIGHT {
        for j in 0..CURSOR_WIDTH {
            unsafe {
                drawer.write_pixel_unsafe(
                    x.saturating_add(j as u16),
                    y.saturating_add(i as u16),
                    Color::BLACK,
                )
            };
        }
    }
}