use crate::colours::DEFAULT_COLOURS;
use crate::map::Mappable;
use crate::math::{Rect, Vec2};
use crate::scaleable::Scaleable;
use crate::transform::Transform;
use raylib::drawing::{RaylibDraw, RaylibDrawHandle};
use serde::Serialize;
use std::ops::{Deref, DerefMut};

pub type RectRoomData = Rect<f64>;

#[derive(Serialize)]
pub struct RectRoom {
    data: RectRoomData,
    selected: bool,
}

impl RectRoom {
    pub fn from_data(data: RectRoomData) -> Self {
        RectRoom {
            data,
            selected: false,
        }
    }
}

impl Mappable for RectRoom {
    fn draw(&self, rld: &mut RaylibDrawHandle, transform: &Transform) {
        rld.draw_rectangle_rec(
            transform.rect_m_to_px(&self.data),
            if self.selected() {
                DEFAULT_COLOURS.room_selected
            } else {
                DEFAULT_COLOURS.room_normal
            },
        );
    }

    fn set_selected(&mut self, selected: bool) {
        self.selected = selected;
    }

    fn selected(&self) -> bool {
        self.selected
    }

    fn bounding_rect(&self) -> Rect<f64> {
        self.data.clone()
    }

    fn as_scaleable(&self) -> Option<&dyn Scaleable> {
        Some(self as &dyn Scaleable)
    }
}

impl Scaleable for RectRoom {
    fn scale(&mut self, by: &Vec2<f64>) {
        if by.x < 0. || by.y < 0. {
            panic!("Cannot set dimensions with negative size");
        }

        self.data.x *= by.x;
        self.data.y *= by.y;
    }
}

impl Deref for RectRoom {
    type Target = RectRoomData;

    fn deref(&self) -> &Self::Target {
        &self.data
    }
}

impl DerefMut for RectRoom {
    fn deref_mut(&mut self) -> &mut Self::Target {
        &mut self.data
    }
}