import { describe, expect, it } from "vitest";
import { formatGpsCoordinate, mergeEventLocation } from "./event-location-coordinate";

describe("event location GPS formatting", () => {
  it("formats coordinates with stable GPS precision", () => {
    expect(formatGpsCoordinate([121.4791234, 31.2359876])).toBe("121.479123, 31.235988");
  });

  it("keeps the written location and persists the selected coordinate", () => {
    expect(mergeEventLocation(" 演示路口 ", [121.4791234, 31.2359876]))
      .toBe("演示路口（GPS：121.479123, 31.235988）");
    expect(mergeEventLocation("", [121.4791234, 31.2359876]))
      .toBe("GPS：121.479123, 31.235988");
    expect(mergeEventLocation(" 演示路口 ", null)).toBe("演示路口");
  });
});