import { Rect } from "@noya-app/noya-geometry";
import { round } from "@noya-app/noya-utils";
import { describe, expect, test } from "bun:test";
import { getScaleTransform } from "../utils/scalingUtils";

// Ignore rounding errors in tests, for now
const roundRect = (rect: Rect): Rect => ({
  x: round(rect.x, 2),
  y: round(rect.y, 2),
  width: round(rect.width, 2),
  height: round(rect.height, 2),
});

const square100 = { x: 0, y: 0, width: 100, height: 100 };

describe("not constrained", () => {
  test("resize rect se", () => {
    const transform = getScaleTransform(square100, { x: 5, y: 10 }, "se", {
      preserveAspectRatio: false,
      scalingOriginMode: "extent",
      ignoreSnapping: false,
    });

    expect(roundRect(transform.applyTo(square100))).toEqual({
      x: 0,
      y: 0,
      width: 105,
      height: 110,
    });
  });

  test("resize rect se, flip vertical", () => {
    const transform = getScaleTransform(square100, { x: 5, y: -200 }, "se", {
      preserveAspectRatio: false,
      scalingOriginMode: "extent",
      ignoreSnapping: false,
    });

    expect(roundRect(transform.applyTo(square100))).toEqual({
      x: 0,
      y: 0,
      width: 105,
      height: -100,
    });
  });

  test("resize rect se, flip horizontal", () => {
    const transform = getScaleTransform(square100, { x: -200, y: 10 }, "se", {
      preserveAspectRatio: false,
      scalingOriginMode: "extent",
      ignoreSnapping: false,
    });

    expect(roundRect(transform.applyTo(square100))).toEqual({
      x: 0,
      y: 0,
      width: -100,
      height: 110,
    });
  });
});

describe("constrained", () => {
  test("resize rect se", () => {
    const transform = getScaleTransform(square100, { x: 5, y: 10 }, "se", {
      preserveAspectRatio: true,
      scalingOriginMode: "extent",
      ignoreSnapping: false,
    });

    expect(roundRect(transform.applyTo(square100))).toEqual({
      x: 0,
      y: 0,
      width: 110,
      height: 110,
    });
  });

  test("resize rect se, flip vertical", () => {
    const transform = getScaleTransform(square100, { x: 5, y: -200 }, "se", {
      preserveAspectRatio: true,
      scalingOriginMode: "extent",
      ignoreSnapping: false,
    });

    expect(roundRect(transform.applyTo(square100))).toEqual({
      x: 0,
      y: 0,
      width: 105,
      height: -105,
    });
  });

  test("resize rect se, flip horizontal", () => {
    const transform = getScaleTransform(square100, { x: -200, y: 10 }, "se", {
      preserveAspectRatio: true,
      scalingOriginMode: "extent",
      ignoreSnapping: false,
    });

    expect(roundRect(transform.applyTo(square100))).toEqual({
      x: 0,
      y: 0,
      width: -110,
      height: 110,
    });
  });
});