use crate::*;
use ratatui::{prelude::{Style, Position, Backend, Color}};

pub const fn x_repeat (c: &str) -> impl Draw<Tui> {
    thunk(move|to: &mut Tui|{
        let XYWH(x, y, w, _h) = to.xywh();
        for x in x..x+w {
            if let Some(cell) = to.0.cell_mut(Position::from((x, y))) {
                cell.set_symbol(&c);
            }
        }
        Ok(Some(XYWH(x, y, w, 1)))
    })
}

pub const fn y_repeat (c: &str) -> impl Draw<Tui> {
    thunk(move|to: &mut Tui|{
        let XYWH(x, y, _w, h) = to.xywh();
        for y in y..y+h {
            if let Some(cell) = to.0.cell_mut(Position::from((x, y))) {
                cell.set_symbol(&c);
            }
        }
        Ok(Some(XYWH(x, y, 1, h)))
    })
}

pub const fn xy_repeat (c: &str) -> impl Draw<Tui> {
    thunk(move|to: &mut Tui|{
        let XYWH(x, y, w, h) = to.xywh();
        let a = c.len();
        for (_v, y) in (y..y+h).enumerate() {
            for (u, x) in (x..x+w).enumerate() {
                if let Some(cell) = to.0.cell_mut(Position::from((x, y))) {
                    let u = u % a;
                    cell.set_symbol(&c[u..u+1]);
                }
            }
        }
        Ok(Some(XYWH(x, y, w, h)))
    })
}