import { describe, expect, it } from "vitest";
import {
  buildTimelineAllocationEntryUpdate,
  buildTimelineAllocationMetadata,
} from "../router/timeline-allocation-update-support.js";

describe("timeline allocation update support", () => {
  it("preserves existing metadata while updating includeSaturday", () => {
    const result = buildTimelineAllocationMetadata({
      existingMetadata: {
        recurrence: { frequency: "weekly", interval: 2 },
        includeSaturday: false,
      },
      includeSaturday: true,
    });

    expect(result).toEqual({
      metadata: {
        recurrence: { frequency: "weekly", interval: 2 },
        includeSaturday: true,
      },
      includeSaturday: true,
    });
  });

  it("builds shared update payloads for demand and assignment changes", () => {
    expect(
      buildTimelineAllocationEntryUpdate({
        hoursPerDay: 7.5,
        startDate: new Date("2026-04-01T00:00:00.000Z"),
        endDate: new Date("2026-04-10T00:00:00.000Z"),
        metadata: { includeSaturday: true },
        dailyCostCents: 48000,
        role: "Architect",
      }),
    ).toEqual({
      demandRequirementUpdate: {
        hoursPerDay: 7.5,
        startDate: new Date("2026-04-01T00:00:00.000Z"),
        endDate: new Date("2026-04-10T00:00:00.000Z"),
        metadata: { includeSaturday: true },
        role: "Architect",
      },
      assignmentUpdate: {
        hoursPerDay: 7.5,
        startDate: new Date("2026-04-01T00:00:00.000Z"),
        endDate: new Date("2026-04-10T00:00:00.000Z"),
        dailyCostCents: 48000,
        metadata: { includeSaturday: true },
        role: "Architect",
      },
    });
  });
});