import { beforeEach, describe, expect, it, vi } from "vitest";

import {
  createToolContext,
  executeTool,
} from "./assistant-tools-holiday-read-test-helpers.js";

describe("assistant holiday resolution error paths", () => {
  beforeEach(() => {
    vi.clearAllMocks();
  });

  it("returns a stable assistant error when a regional holiday range is incomplete", async () => {
    const ctx = createToolContext({});

    const result = await executeTool(
      "list_holidays_by_region",
      JSON.stringify({ countryCode: "DE", periodStart: "2026-01-01" }),
      ctx,
    );

    expect(JSON.parse(result.content)).toEqual({
      error: "periodStart and periodEnd must both be provided when using a custom holiday range.",
    });
  });

  it("returns a stable assistant error when resource holidays are requested for an unknown resource", async () => {
    const ctx = createToolContext({
      resource: {
        findUnique: vi.fn().mockResolvedValue(null),
        findFirst: vi.fn().mockResolvedValue(null),
        findMany: vi.fn().mockResolvedValue([]),
      },
    });

    const result = await executeTool(
      "get_resource_holidays",
      JSON.stringify({ identifier: "missing-resource", year: 2026 }),
      ctx,
    );

    expect(JSON.parse(result.content)).toEqual({
      error: "Resource not found: missing-resource",
    });
  });

  it("returns a stable assistant error when a holiday preview references an unknown country", async () => {
    const ctx = createToolContext({
      country: {
        findUnique: vi.fn().mockResolvedValue(null),
      },
    });

    const result = await executeTool(
      "preview_resolved_holiday_calendar",
      JSON.stringify({ countryId: "missing-country", year: 2026 }),
      ctx,
    );

    expect(JSON.parse(result.content)).toEqual({
      error: "Country not found with the given criteria.",
    });
  });
});