import type { Point } from './types';

export interface Bounds {
  minX: number;
  maxX: number;
  minY: number;
  maxY: number;
}
export interface Rect {
  x: number;
  y: number;
  width: number;
  height: number;
}
export const bounds = (points: Point[]): Bounds => ({
  minX: Math.min(...points.map((point) => point.x)),
  maxX: Math.max(...points.map((point) => point.x)),
  minY: Math.min(...points.map((point) => point.y)),
  maxY: Math.max(...points.map((point) => point.y)),
});
export const rectBounds = (box: Rect): Bounds => ({
  minX: box.x,
  minY: box.y,
  maxX: box.x + box.width,
  maxY: box.y + box.height,
});
export const overlaps = (a: Bounds, b: Bounds, gap = 0) =>
  a.minX < b.maxX + gap && a.maxX > b.minX - gap && a.minY < b.maxY + gap && a.maxY > b.minY - gap;
export const corners = (box: Bounds): Point[] => [
  { x: box.minX, y: box.minY },
  { x: box.maxX, y: box.minY },
  { x: box.maxX, y: box.maxY },
  { x: box.minX, y: box.maxY },
];