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

const { createAuditEntry } = vi.hoisted(() => ({
  createAuditEntry: vi.fn(),
}));

vi.mock("../lib/audit.js", () => ({
  createAuditEntry,
}));

import { countryRouter } from "../router/country.js";
import { createCallerFactory } from "../trpc.js";

const createCaller = createCallerFactory(countryRouter);

function createProtectedCaller(
  db: Record<string, unknown>,
  options: {
    role?: SystemRole;
    granted?: PermissionKey[];
  } = {},
) {
  const { role = SystemRole.USER, granted = [] } = options;

  return createCaller({
    session: {
      user: { email: "user@example.com", name: "User", image: null },
      expires: "2099-01-01T00:00:00.000Z",
    },
    db: db as never,
    dbUser: {
      id: role === SystemRole.ADMIN ? "user_admin" : "user_1",
      systemRole: role,
      permissionOverrides: granted.length > 0 ? { granted } : null,
    },
  });
}

describe("country router", () => {
  beforeEach(() => {
    createAuditEntry.mockReset();
  });

  it("lists countries through the protected router", async () => {
    const findMany = vi.fn().mockResolvedValue([
      { id: "country_de", code: "DE", name: "Germany", metroCities: [] },
    ]);

    const caller = createProtectedCaller({
      country: { findMany },
    });
    const result = await caller.list({ isActive: true });

    expect(findMany).toHaveBeenCalledWith({
      where: { isActive: true },
      include: { metroCities: { orderBy: { name: "asc" } } },
      orderBy: { name: "asc" },
    });
    expect(result).toHaveLength(1);
  });

  it("allows detailed country reads with resource-overview permission", async () => {
    const findFirst = vi.fn().mockResolvedValue({
      id: "country_de",
      code: "DE",
      name: "Germany",
      isActive: true,
      dailyWorkingHours: 8,
      scheduleRules: null,
      metroCities: [{ id: "city_berlin", name: "Berlin", countryId: "country_de" }],
      _count: { resources: 4 },
    });

    const caller = createProtectedCaller({
      country: {
        findUnique: vi.fn().mockResolvedValue(null),
        findFirst,
      },
    }, {
      granted: [PermissionKey.VIEW_ALL_RESOURCES],
    });
    const result = await caller.getByIdentifier({ identifier: "DE" });

    expect(findFirst).toHaveBeenCalledWith({
      where: { code: { equals: "DE", mode: "insensitive" } },
      include: {
        metroCities: { orderBy: { name: "asc" } },
        _count: { select: { resources: true } },
      },
    });
    expect(result._count.resources).toBe(4);
  });

  it("creates and updates countries through the admin router", async () => {
    const findUnique = vi
      .fn()
      .mockResolvedValueOnce(null)
      .mockResolvedValueOnce({
        id: "country_de",
        code: "DE",
        name: "Germany",
      });
    const create = vi.fn().mockResolvedValue({
      id: "country_de",
      code: "DE",
      name: "Germany",
      metroCities: [],
    });
    const update = vi.fn().mockResolvedValue({
      id: "country_de",
      code: "DE",
      name: "Deutschland",
      metroCities: [],
    });

    const caller = createProtectedCaller({
      country: { findUnique, create, update },
    }, {
      role: SystemRole.ADMIN,
    });

    const created = await caller.create({
      code: "DE",
      name: "Germany",
      dailyWorkingHours: 8,
    });
    const updated = await caller.update({
      id: "country_de",
      data: {
        name: "Deutschland",
      },
    });

    expect(create).toHaveBeenCalledWith({
      data: {
        code: "DE",
        name: "Germany",
        dailyWorkingHours: 8,
      },
      include: { metroCities: true },
    });
    expect(update).toHaveBeenCalledWith({
      where: { id: "country_de" },
      data: { name: "Deutschland" },
      include: { metroCities: true },
    });
    expect(created.id).toBe("country_de");
    expect(updated.name).toBe("Deutschland");
    expect(createAuditEntry).toHaveBeenCalledTimes(2);
  });
});