import { describe, expect, test } from "bun:test";
import { doubleClickPlugin } from "../plugins/doubleClickPlugin";
import { filterElements } from "../utils/elementUtils";
import { createPointerEvent, createTestCanvas } from "./canvasTestUtils";

describe("doubleClick plugin", () => {
  test("invokes handler on double click", () => {
    const element = { id: "a", rect: { x: 0, y: 0, width: 50, height: 50 } };
    const handleDoubleClickCalls: { elementId: string }[] = [];

    const harness = createTestCanvas(
      (canvas) => canvas.addPlugins(doubleClickPlugin<typeof element>()),
      {
        contextProperties: {
          getElementId: (item: typeof element) => item.id,
          filterElements: (options) => filterElements([element], options),
          handleDoubleClick: (options: { elementId: string }) => {
            handleDoubleClickCalls.push(options);
          },
        },
      }
    );

    const originalNow = Date.now;
    let currentTime = 0;
    Date.now = () => currentTime;

    harness.handlers.onPointerDown?.(createPointerEvent({ x: 10, y: 10 }));
    harness.handlers.onPointerUp?.(createPointerEvent({ x: 10, y: 10 }));

    currentTime = 100;
    harness.handlers.onPointerDown?.(createPointerEvent({ x: 10, y: 10 }));

    Date.now = originalNow;

    expect(handleDoubleClickCalls).toEqual([{ elementId: "a" }]);
  });

  test("ignores single click and clicks outside elements", () => {
    const element = { id: "a", rect: { x: 0, y: 0, width: 50, height: 50 } };
    let called = 0;

    const harness = createTestCanvas((canvas) => canvas.addPlugins(doubleClickPlugin<typeof element>()), {
      contextProperties: {
        getElementId: (item: typeof element) => item.id,
        filterElements: (options) => filterElements([element], options),
        handleDoubleClick: () => {
          called += 1;
        },
      },
    });

    harness.handlers.onPointerDown?.(createPointerEvent({ x: 100, y: 100 }));
    harness.handlers.onPointerDown?.(createPointerEvent({ x: 100, y: 100 }));

    harness.handlers.onPointerDown?.(createPointerEvent({ x: 10, y: 10 }));

    expect(called).toBe(0);
  });
});