use crossterm::event::Event;

use super::{Component, Rect, View};
use crate::Result;

pub struct Context {
    pub view: View,
    pub event: Option<Event>,
}

impl Default for Context {
    fn default() -> Self {
        Context {
            view: View::fullscreen(),
            event: None,
        }
    }
}

impl Context {
    pub fn new(width: u16, height: u16, event: Option<Event>) -> Self {
        Context {
            view: View::new(width, height),
            event,
        }
    }

    pub fn add_component(&mut self, rect: Rect, cmp: &mut impl Component) -> Result<()> {
        let mut ctx = Context::new(rect.width, rect.height, self.event);
        cmp.view(&mut ctx)?;
        self.view.merge(rect.pos, ctx.view);
        Ok(())
    }
}