import { describe, it, expect, beforeEach, afterEach } from "vitest";
import { checkPermission, createUnauthorizedResponse } from "../auth-middleware.server";
import { AUTH_LEVELS, USER_STATUS } from "~/types/auth";
import type { SafeUser } from "~/types/auth";

// Mock user data for testing permissions
const mockSuperAdmin: SafeUser = {
  id: 1,
  name: "Super Admin",
  username: "superadmin",
  email: "super@example.com",
  status: USER_STATUS.ACTIVE,
  authLevel: AUTH_LEVELS.SUPERADMIN,
  createdDate: new Date(),
  editDate: new Date(),
};

const mockAdmin: SafeUser = {
  id: 2,
  name: "Admin User",
  username: "admin",
  email: "admin@example.com",
  status: USER_STATUS.ACTIVE,
  authLevel: AUTH_LEVELS.ADMIN,
  createdDate: new Date(),
  editDate: new Date(),
};

const mockUser: SafeUser = {
  id: 3,
  name: "Regular User",
  username: "user",
  email: "user@example.com",
  status: USER_STATUS.ACTIVE,
  authLevel: AUTH_LEVELS.USER,
  createdDate: new Date(),
  editDate: new Date(),
};

describe("Route Protection Integration Tests", () => {
  describe("checkPermission", () => {
    it("should correctly check view_all_users permission", () => {
      expect(checkPermission(mockSuperAdmin, "view_all_users")).toBe(true);
      expect(checkPermission(mockAdmin, "view_all_users")).toBe(false);
      expect(checkPermission(mockUser, "view_all_users")).toBe(false);
    });

    it("should correctly check create_users permission", () => {
      expect(checkPermission(mockSuperAdmin, "create_users")).toBe(true);
      expect(checkPermission(mockAdmin, "create_users")).toBe(true);
      expect(checkPermission(mockUser, "create_users")).toBe(false);
    });

    it("should correctly check manage_finances permission", () => {
      expect(checkPermission(mockSuperAdmin, "manage_finances")).toBe(true);
      expect(checkPermission(mockAdmin, "manage_finances")).toBe(true);
      expect(checkPermission(mockUser, "manage_finances")).toBe(false);
    });

    it("should correctly check view_reports permission", () => {
      expect(checkPermission(mockSuperAdmin, "view_reports")).toBe(true);
      expect(checkPermission(mockAdmin, "view_reports")).toBe(true);
      expect(checkPermission(mockUser, "view_reports")).toBe(false);
    });

    it("should return false for unknown permission", () => {
      expect(checkPermission(mockUser, "unknown_permission" as any)).toBe(false);
      expect(checkPermission(mockAdmin, "unknown_permission" as any)).toBe(false);
      expect(checkPermission(mockSuperAdmin, "unknown_permission" as any)).toBe(false);
    });
  });

  describe("createUnauthorizedResponse", () => {
    it("should create response with default message", () => {
      const response = createUnauthorizedResponse();
      expect(response.status).toBe(403);
      expect(response.headers.get("Content-Type")).toBe("text/plain; charset=utf-8");
    });

    it("should create response with custom message", () => {
      const customMessage = "Custom error message";
      const response = createUnauthorizedResponse(customMessage);
      expect(response.status).toBe(403);
      expect(response.headers.get("Content-Type")).toBe("text/plain; charset=utf-8");
    });
  });

  describe("Auth Level Hierarchy", () => {
    it("should have correct auth level values", () => {
      expect(AUTH_LEVELS.SUPERADMIN).toBe(1);
      expect(AUTH_LEVELS.ADMIN).toBe(2);
      expect(AUTH_LEVELS.USER).toBe(3);
    });

    it("should enforce correct hierarchy (lower number = higher privilege)", () => {
      expect(AUTH_LEVELS.SUPERADMIN < AUTH_LEVELS.ADMIN).toBe(true);
      expect(AUTH_LEVELS.ADMIN < AUTH_LEVELS.USER).toBe(true);
    });
  });

  describe("User Status", () => {
    it("should have correct status values", () => {
      expect(USER_STATUS.ACTIVE).toBe("active");
      expect(USER_STATUS.INACTIVE).toBe("inactive");
    });
  });
});