import { beforeEach, describe, expect, it, vi } from "vitest";
import { SystemRole } from "@capakraken/shared";

vi.mock("@capakraken/application", async (importOriginal) => {
  const actual = await importOriginal<typeof import("@capakraken/application")>();
  return {
    ...actual,
    countPlanningEntries: vi.fn().mockResolvedValue({ countsByRoleId: new Map() }),
    getDashboardBudgetForecast: vi.fn().mockResolvedValue([]),
    getDashboardPeakTimes: vi.fn().mockResolvedValue([]),
    listAssignmentBookings: vi.fn().mockResolvedValue([]),
  };
});

import { countPlanningEntries } from "@capakraken/application";
import { executeTool } from "../router/assistant-tools.js";
import { createToolContext } from "./assistant-tools-master-data-mutation-test-helpers.js";

describe("assistant client create and update tools - errors", () => {
  beforeEach(() => {
    vi.clearAllMocks();
    vi.mocked(countPlanningEntries).mockResolvedValue({ countsByRoleId: new Map() });
  });

  it("returns a stable error when creating a client with a duplicate code", async () => {
    const ctx = createToolContext(
      {
        client: {
          findUnique: vi.fn(async ({
            where,
          }: {
            where: { id?: string; code?: string };
          }) => {
            if (where.code === "ACM") {
              return { id: "client_existing", code: "ACM", name: "Existing Client" };
            }
            return null;
          }),
        },
      },
      { userRole: SystemRole.MANAGER },
    );

    const result = await executeTool(
      "create_client",
      JSON.stringify({ name: "Acme Mobility", code: "ACM" }),
      ctx,
    );

    expect(JSON.parse(result.content)).toEqual(
      expect.objectContaining({
        error: "A client with this code already exists.",
      }),
    );
  });

  it("returns a stable error when creating a client with a missing parent", async () => {
    const ctx = createToolContext(
      {
        client: {
          findUnique: vi.fn().mockResolvedValue(null),
        },
      },
      { userRole: SystemRole.MANAGER },
    );

    const result = await executeTool(
      "create_client",
      JSON.stringify({ name: "Acme Mobility", parentId: "client_missing" }),
      ctx,
    );

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

  it("returns a stable error when updating a missing client", async () => {
    const ctx = createToolContext(
      {
        client: {
          findUnique: vi.fn().mockResolvedValue(null),
        },
      },
      { userRole: SystemRole.MANAGER },
    );

    const result = await executeTool(
      "update_client",
      JSON.stringify({ id: "client_missing", name: "Acme Mobility" }),
      ctx,
    );

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