import { describe, expect, it } from "vitest";
import { mergeCampaignAvailability } from "../../scripts/dungeon-pipeline/availability.mjs";

describe("mergeCampaignAvailability", () => {
  it("preserves non-campaign availability while rebuilding campaign entries", () => {
    const existing = {
      schemaVersion: 1 as const,
      enabled: {
        "forsaken-abbey": true,
        "kalin-shrine": false,
        deadmines: false,
      },
    };

    expect(
      mergeCampaignAvailability(existing, ["deadmines", "wailing-caverns"]),
    ).toEqual({
      schemaVersion: 1,
      enabled: {
        "forsaken-abbey": true,
        "kalin-shrine": false,
        deadmines: true,
        "wailing-caverns": true,
      },
    });
    expect(existing.enabled.deadmines).toBe(false);
  });

  it("starts a clean availability map when no previous map exists", () => {
    expect(mergeCampaignAvailability(undefined, ["deadmines"])).toEqual({
      schemaVersion: 1,
      enabled: { deadmines: true },
    });
  });
});