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use alloc::{string::ToString, sync::Arc, vec::Vec};
use embedded_graphics::{
    prelude::{Point, Size},
    primitives::arc,
};

use crate::{
    fs::ROOT_INODE,
    gui::{Button, Component, IconController, ImageComp, Panel, Terminal},
    sync::UPIntrFreeCell,
};

static DT: &[u8] = include_bytes!("../assert/desktop.bmp");

lazy_static::lazy_static!(
    pub static ref DESKTOP:UPIntrFreeCell<Arc<dyn Component>> = unsafe {
        UPIntrFreeCell::new(Arc::new(Panel::new(Size::new(1024, 768), Point::new(0, 0))))
    };
    pub static ref PAD:UPIntrFreeCell<Option<Arc<Terminal>>> = unsafe {
        UPIntrFreeCell::new(None)
    };
);

pub fn create_desktop() -> isize {
    let mut p: Arc<dyn Component + 'static> =
        Arc::new(Panel::new(Size::new(1024, 768), Point::new(0, 0)));
    let image = ImageComp::new(Size::new(1024, 768), Point::new(0, 0), DT, Some(p.clone()));
    let icon = IconController::new(ROOT_INODE.ls(), Some(p.clone()));
    p.add(Arc::new(image));
    p.add(Arc::new(icon));
    let mut desktop = DESKTOP.exclusive_access();
    *desktop = p;
    desktop.paint();
    drop(desktop);
    create_terminal();
    1
}

pub fn create_terminal() {
    let desktop = DESKTOP.exclusive_access();
    let arc_t = Arc::new(Terminal::new(
        Size::new(400, 400),
        Point::new(200, 100),
        Some(desktop.clone()),
        Some("demo.txt".to_string()),
        "".to_string(),
    ));
    let text = Panel::new(Size::new(400, 400), Point::new(200, 100));
    let button = Button::new(
        Size::new(20, 20),
        Point::new(370, 10),
        Some(arc_t.clone()),
        "X".to_string(),
    );
    arc_t.add(Arc::new(text));
    arc_t.add(Arc::new(button));
    arc_t.paint();
    desktop.add(arc_t.clone());
    let mut pad = PAD.exclusive_access();
    *pad = Some(arc_t);
}