use sfml::{
    graphics::RenderWindow,
    system::Vector2f,
    window::{ContextSettings, Style, VideoMode},
};
use sfml_xt::graphics::RenderWindowExt;

use crate::math::FPS_TARGET;

pub struct ScreenRes {
    pub w: u16,
    pub h: u16,
}

impl ScreenRes {
    fn to_sf(&self) -> VideoMode {
        VideoMode {
            width: self.w as _,
            height: self.h as _,
            bits_per_pixel: 32,
        }
    }
}

// We assume this game won't be played above 32767*32767 resolution
#[derive(Default, Clone, Copy, Debug)]
pub struct ScreenPos {
    pub x: ScreenPosScalar,
    pub y: ScreenPosScalar,
}

pub type ScreenPosScalar = i16;

impl ScreenPos {
    pub fn to_sf_vec(self) -> Vector2f {
        Vector2f::new(self.x.into(), self.y.into())
    }
}

const DEFAULT_RES: ScreenRes = ScreenRes { w: 960, h: 540 };

pub fn make_window() -> RenderWindow {
    let mut rw = RenderWindow::new(
        DEFAULT_RES.to_sf(),
        "Mantle Diver",
        Style::DEFAULT,
        &ContextSettings::default(),
    );
    rw.set_framerate_limit(FPS_TARGET.into());
    rw.center();
    rw
}