import { describe, expect, it } from "vitest";
import {
  clampPanelGeometry,
  defaultPanelGeometry,
  movePanelGeometry,
  resizePanelGeometry,
} from "./panelGeometry";

const viewport = { width: 1440, height: 900 };
const minimums = { width: 320, height: 230 };

describe("floating panel geometry", () => {
  it("places desktop video and intelligence panels apart inside the viewport", () => {
    const video = defaultPanelGeometry("video", viewport, minimums);
    const intelligence = defaultPanelGeometry(
      "intelligence",
      viewport,
      { width: 340, height: 300 },
    );

    expect(video.x).toBeGreaterThanOrEqual(10);
    expect(video.y).toBeGreaterThanOrEqual(126);
    expect(intelligence.x).toBeGreaterThan(video.x + video.width);
    expect(intelligence.x + intelligence.width).toBeLessThanOrEqual(1430);
  });

  it("clamps movement so the whole panel and its stop control stay reachable", () => {
    const geometry = { x: 20, y: 80, width: 500, height: 400 };

    expect(movePanelGeometry(geometry, -10_000, -10_000, viewport, minimums)).toEqual({
      x: 10,
      y: 126,
      width: 500,
      height: 400,
    });
    expect(movePanelGeometry(geometry, 10_000, 10_000, viewport, minimums)).toEqual({
      x: 930,
      y: 490,
      width: 500,
      height: 400,
    });
  });

  it("enforces minimum dimensions and constrains oversized panels", () => {
    expect(resizePanelGeometry(
      { x: 20, y: 80, width: 500, height: 400 },
      -10_000,
      -10_000,
      viewport,
      minimums,
    )).toMatchObject({ width: 320, height: 230 });

    expect(clampPanelGeometry(
      { x: -500, y: -500, width: 10_000, height: 10_000 },
      viewport,
      minimums,
    )).toEqual({ x: 10, y: 126, width: 1420, height: 764 });
  });

  it("keeps both panels below the compact masthead and inside a phone viewport", () => {
    const phone = { width: 390, height: 844 };
    for (const placement of ["video", "intelligence"] as const) {
      const panel = defaultPanelGeometry(placement, phone, minimums);
      expect(panel.y).toBeGreaterThanOrEqual(100);
      expect(panel.x + panel.width).toBeLessThanOrEqual(380);
      expect(panel.y + panel.height).toBeLessThanOrEqual(834);
    }
  });
});