use super::actions::Action;
use crossterm::event::{Event, MouseEvent};
use ratatui::layout::Rect;

pub struct MouseHandler {
    event: Option<Event>,
    action: Option<super::actions::Action>,
}

impl MouseHandler {
    pub fn new() -> Self {
        Self {
            event: None,
            action: None,
        }
    }

    #[inline]
    pub fn publish_event(&mut self, event: Event) {
        self.event = Some(event);
    }

    pub fn on_mouse<F>(&mut self, area: Rect, cb: F)
    where
        F: FnOnce(&MouseEvent) -> Option<Action>,
    {
        if let Some(Event::Mouse(mouse)) = self.event.as_ref() {
            if area.intersects(Rect {
                x: mouse.column,
                y: mouse.row,
                width: 1,
                height: 1,
            }) {
                let action = cb(mouse);
                if action.is_some() {
                    self.action = action;
                }
            }
        }
    }

    #[inline]
    pub fn extract(&mut self) -> Option<Action> {
        self.event = None;
        self.action.take()
    }
}