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

vi.mock("~/locale/i18next.server", () => ({ getTranslations: vi.fn() }));
vi.mock("~/utils/app/UserValidationUtils", () => ({ default: { validateEmail: vi.fn(), validatePassword: vi.fn() } }));
vi.mock("~/utils/db/logs.db.server", () => ({ createLogLogin: vi.fn() }));
vi.mock("~/utils/db/users.db.server", () => ({ getUserByEmail: vi.fn() }));
vi.mock("~/utils/session.server", () => ({
  createUserSession: vi.fn(),
  getUserInfo: vi.fn(),
  setLoggedUser: vi.fn(),
  validateCSRFToken: vi.fn(),
}));
vi.mock("bcryptjs", () => ({ default: { compare: vi.fn() } }));
vi.mock("~/utils/db/tenants.db.server", () => ({ getTenant: vi.fn() }));
vi.mock("~/utils/db/appConfiguration.db.server", () => ({ getAppConfiguration: vi.fn() }));
vi.mock("~/utils/services/authService", () => ({
  createRegistrationForm: vi.fn(),
  getRegistrationFormData: vi.fn(),
  validateRegistration: vi.fn(),
}));
vi.mock("~/utils/db/registration.db.server", () => ({ getRegistrationByToken: vi.fn(), updateRegistration: vi.fn() }));
vi.mock("~/modules/ipAddress/services/IpAddressService.server", () => ({ default: { log: vi.fn() } }));
vi.mock("@toolctrl/config", async () => {
  const actual = await vi.importActual<typeof import("@toolctrl/config")>("@toolctrl/config");
  return {
    ...actual,
    loadRequiredWebConfig: () => ({
      routing: {
        appBaseDomain: "example.com",
        webAppHost: "app.example.com",
        adminAppHost: "admin.example.com",
        apiHost: "api.example.com",
        protocol: "https",
      },
    }),
  };
});

import { getTenant } from "~/utils/db/tenants.db.server";
import { getTranslations } from "~/locale/i18next.server";
import { getAppConfiguration } from "~/utils/db/appConfiguration.db.server";
import { createRegistrationForm, getRegistrationFormData, validateRegistration } from "~/utils/services/authService";
import { createUserSession, getUserInfo, setLoggedUser, validateCSRFToken } from "~/utils/session.server";
import { getRegistrationByToken, updateRegistration } from "~/utils/db/registration.db.server";
import { getSafeLoginRedirect, isProductionTestAccountBlocked, isStagingDemoLoginAllowed } from "./AuthService";

const getTenantMock = vi.mocked(getTenant);
const getTranslationsMock = vi.mocked(getTranslations);
const getAppConfigurationMock = vi.mocked(getAppConfiguration);
const createRegistrationFormMock = vi.mocked(createRegistrationForm);
const getRegistrationFormDataMock = vi.mocked(getRegistrationFormData);
const validateRegistrationMock = vi.mocked(validateRegistration);
const getRegistrationByTokenMock = vi.mocked(getRegistrationByToken);
const updateRegistrationMock = vi.mocked(updateRegistration);
const setLoggedUserMock = vi.mocked(setLoggedUser);
const createUserSessionMock = vi.mocked(createUserSession);
const getUserInfoMock = vi.mocked(getUserInfo);
const validateCSRFTokenMock = vi.mocked(validateCSRFToken);

describe("AuthService login redirects", () => {
  beforeEach(() => {
    vi.clearAllMocks();
    getTenantMock.mockResolvedValue({ id: "tenant-1", slug: "staging-admin" } as Awaited<ReturnType<typeof getTenant>>);
  });

  it("rejects unsafe redirect targets", async () => {
    await expect(getSafeLoginRedirect({ redirectTo: "https://evil.example", isAdmin: false, defaultTenantId: "tenant-1", fallback: "/dashboard" })).resolves.toBe("/dashboard");
    await expect(getSafeLoginRedirect({ redirectTo: "//evil.example", isAdmin: false, defaultTenantId: "tenant-1", fallback: "/dashboard" })).resolves.toBe("/dashboard");
  });

  it("rejects removed app and API redirect targets", async () => {
    await expect(getSafeLoginRedirect({ redirectTo: "/app/staging-admin/dashboard", isAdmin: false, defaultTenantId: "tenant-1", fallback: "/dashboard" })).resolves.toBe(
      "/dashboard"
    );
    await expect(getSafeLoginRedirect({ redirectTo: "/v1/health", isAdmin: false, defaultTenantId: "tenant-1", fallback: "/dashboard" })).resolves.toBe("/dashboard");
    await expect(getSafeLoginRedirect({ redirectTo: "/api/v1/health", isAdmin: true, defaultTenantId: "tenant-1", fallback: "/dashboard" })).resolves.toBe("/dashboard");
  });

  it("keeps app tenant redirects for non-admin users", async () => {
    await expect(getSafeLoginRedirect({ redirectTo: "/staging-admin/dashboard", isAdmin: false, defaultTenantId: "tenant-1", fallback: "/dashboard" })).resolves.toBe(
      "https://app.example.com/staging-admin/dashboard"
    );
  });

  it("does not treat default tenant IDs as URL slugs", async () => {
    getTenantMock.mockResolvedValueOnce({ id: "tenant-1", slug: null } as unknown as Awaited<ReturnType<typeof getTenant>>);

    await expect(getSafeLoginRedirect({ redirectTo: "/tenant-1/dashboard", isAdmin: false, defaultTenantId: "tenant-1", fallback: "/dashboard" })).resolves.toBe(
      "/dashboard"
    );
  });

  it("rejects legacy admin redirects for non-admin users", async () => {
    await expect(getSafeLoginRedirect({ redirectTo: "/admin", isAdmin: false, defaultTenantId: "tenant-1", fallback: "/dashboard" })).resolves.toBe("/dashboard");
    await expect(getSafeLoginRedirect({ redirectTo: "/admin/accounts/users?filter=active", isAdmin: false, defaultTenantId: "tenant-1", fallback: "/dashboard" })).resolves.toBe("/dashboard");
  });

  it("rejects canonical admin-host redirects for non-admin users", async () => {
    await expect(getSafeLoginRedirect({ redirectTo: "/dashboard", isAdmin: false, defaultTenantId: "tenant-1", fallback: "/staging-admin/dashboard" })).resolves.toBe(
      "/staging-admin/dashboard"
    );
    await expect(
      getSafeLoginRedirect({ redirectTo: "/accounts/users?filter=active", isAdmin: false, defaultTenantId: "tenant-1", fallback: "/staging-admin/dashboard" })
    ).resolves.toBe("/staging-admin/dashboard");
  });

  it("keeps non-default tenant deep links on the app host for non-admin users", async () => {
    await expect(getSafeLoginRedirect({ redirectTo: "/tenant-b/dashboard", isAdmin: false, defaultTenantId: "tenant-1", fallback: "/staging-admin/dashboard" })).resolves.toBe(
      "https://app.example.com/tenant-b/dashboard"
    );
  });

  it("moves non-admin root fallback redirects to the app host", async () => {
    await expect(getSafeLoginRedirect({ redirectTo: "/", isAdmin: false, defaultTenantId: "tenant-1", fallback: "/dashboard" })).resolves.toBe("https://app.example.com/");
  });

  it("falls back to admin home when an admin login carries an app tenant redirect", async () => {
    await expect(
      getSafeLoginRedirect({ redirectTo: "/staging-admin/dashboard", isAdmin: true, defaultTenantId: "tenant-1", fallback: "https://admin.example.com/dashboard" })
    ).resolves.toBe("https://admin.example.com/dashboard");
    await expect(
      getSafeLoginRedirect({ redirectTo: "/app/staging-admin/dashboard", isAdmin: true, defaultTenantId: "tenant-1", fallback: "https://admin.example.com/dashboard" })
    ).resolves.toBe("https://admin.example.com/dashboard");
  });

  it("moves admin redirects to the admin host for admin users", async () => {
    await expect(getSafeLoginRedirect({ redirectTo: "/accounts/users", isAdmin: true, defaultTenantId: "tenant-1", fallback: "/dashboard" })).resolves.toBe(
      "https://admin.example.com/accounts/users"
    );
  });

  it("canonicalizes legacy admin redirects for admin users", async () => {
    await expect(getSafeLoginRedirect({ redirectTo: "/admin/dashboard", isAdmin: true, defaultTenantId: "tenant-1", fallback: "/dashboard" })).resolves.toBe(
      "https://admin.example.com/dashboard"
    );
    await expect(getSafeLoginRedirect({ redirectTo: "/admin/accounts/users?filter=active", isAdmin: true, defaultTenantId: "tenant-1", fallback: "/dashboard" })).resolves.toBe(
      "https://admin.example.com/accounts/users?filter=active"
    );
  });
});

describe("AuthService production demo login guard", () => {
  it("blocks local default and legacy demo accounts even when staging demo login is enabled", () => {
    const env = { SEED_DEMO_DATA: "true", ALLOW_STAGING_DEMO_SEED: "true" };

    expect(isProductionTestAccountBlocked("admin@email.com", env)).toBe(true);
    expect(isProductionTestAccountBlocked("alex.martinez@company.com", env)).toBe(true);
  });

  it("keeps seeded CRM demo users blocked unless the staging demo guard is explicit", () => {
    expect(isStagingDemoLoginAllowed({ SEED_DEMO_DATA: "true", ALLOW_STAGING_DEMO_SEED: "true" })).toBe(true);
    expect(isProductionTestAccountBlocked("john.doe@company.com", { SEED_DEMO_DATA: "true", ALLOW_STAGING_DEMO_SEED: "true" })).toBe(false);
    expect(isProductionTestAccountBlocked("luna.davis@company.com", { SEED_DEMO_DATA: "true", ALLOW_STAGING_DEMO_SEED: "true" })).toBe(false);

    expect(isProductionTestAccountBlocked("john.doe@company.com", { SEED_DEMO_DATA: "true" })).toBe(true);
    expect(isProductionTestAccountBlocked("luna.davis@company.com", { ALLOW_STAGING_DEMO_SEED: "true" })).toBe(true);
  });
});

describe("AuthService registerFromRequest", () => {
  beforeEach(() => {
    vi.clearAllMocks();
    getTranslationsMock.mockResolvedValue({ t: (key: string) => key, translations: {}, locale: "en" });
    getUserInfoMock.mockResolvedValue({ lng: "en" } as Awaited<ReturnType<typeof getUserInfo>>);
    getAppConfigurationMock.mockResolvedValue({ app: { features: { tenantHome: "/:tenant/" } } } as Awaited<ReturnType<typeof getAppConfiguration>>);
    getTenantMock.mockResolvedValue({ id: "tenant_1", slug: "ada-labs" } as Awaited<ReturnType<typeof getTenant>>);
    getRegistrationFormDataMock.mockImplementation(async (request) => {
      const formData = await request.formData();
      return {
        email: formData.get("email")?.toString().toLowerCase().trim(),
        password: formData.get("password")?.toString(),
        company: formData.get("company")?.toString(),
        firstName: formData.get("first-name")?.toString(),
        lastName: formData.get("last-name")?.toString(),
        slug: formData.get("slug")?.toString(),
        leadId: formData.get("leadId")?.toString().trim() || undefined,
        leadToken: formData.get("leadToken")?.toString().trim() || undefined,
        leadPlanId: formData.get("leadPlanId")?.toString().trim() || undefined,
      };
    });
    validateRegistrationMock.mockResolvedValue({
      email: "ada@example.test",
      ipAddress: "203.0.113.5",
      verificationRequired: false,
      registered: {
        user: { id: "user_1", email: "ada@example.test", locale: "de" },
        tenant: { id: "tenant_1", slug: "ada-labs" },
      },
    } as Awaited<ReturnType<typeof validateRegistration>>);
    setLoggedUserMock.mockResolvedValue({ userId: "user_1", defaultTenantId: "tenant_1" } as Awaited<ReturnType<typeof setLoggedUser>>);
    createUserSessionMock.mockImplementation(async (_session, redirectTo) => new Response(null, { status: 302, headers: { Location: redirectTo } }));
  });

  it("passes lead conversion form fields to direct registration and starts the tenant session", async () => {
    const AuthService = (await import("./AuthService")).default;
    const formData = new URLSearchParams({
      email: "ada@example.test",
      password: "Password123!",
      company: "Ada Labs",
      "first-name": "Ada",
      "last-name": "Lovelace",
      slug: "ada-labs",
      leadId: "lead_1",
      leadToken: "signed-token",
      leadPlanId: "plan_pro",
    });
    const request = new Request("https://app.example.com/register", {
      method: "POST",
      headers: { "Content-Type": "application/x-www-form-urlencoded" },
      body: formData,
    });

    const response = await AuthService.registerFromRequest(request);

    expect(response.status).toBe(302);
    expect(response.headers.get("Location")).toBe("https://app.example.com/ada-labs/dashboard");
    expect(validateCSRFTokenMock).toHaveBeenCalledWith(request);
    expect(getRegistrationFormDataMock).toHaveBeenCalledWith(request);
    expect(validateRegistrationMock).toHaveBeenCalledWith({
      request,
      registrationData: {
        email: "ada@example.test",
        password: "Password123!",
        company: "Ada Labs",
        firstName: "Ada",
        lastName: "Lovelace",
        slug: "ada-labs",
        leadId: "lead_1",
        leadToken: "signed-token",
        leadPlanId: "plan_pro",
      },
      addToTrialOrFreePlan: true,
    });
    expect(createRegistrationFormMock).not.toHaveBeenCalled();
    expect(setLoggedUserMock).toHaveBeenCalledWith({ id: "user_1", email: "ada@example.test", locale: "de" });
    expect(createUserSessionMock).toHaveBeenCalledWith(
      {
        lng: "de",
        userId: "user_1",
        defaultTenantId: "tenant_1",
      },
      "https://app.example.com/ada-labs/dashboard"
    );
  });
});

describe("AuthService verifyFromRequest", () => {
  beforeEach(() => {
    vi.clearAllMocks();
    getTranslationsMock.mockResolvedValue({ t: (key: string) => key, translations: {}, locale: "en" });
    getUserInfoMock.mockResolvedValue({ lng: "en" } as Awaited<ReturnType<typeof getUserInfo>>);
    getRegistrationFormDataMock.mockResolvedValue({ email: "ada@example.test", password: "Password123!" });
    getRegistrationByTokenMock.mockResolvedValue({
      id: "registration_1",
      createdTenantId: null,
      leadConversionLeadId: "lead_1",
      leadConversionToken: "signed-token",
      leadConversionPlanId: "plan_pro",
    } as Awaited<ReturnType<typeof getRegistrationByToken>>);
    validateRegistrationMock.mockResolvedValue({
      email: "ada@example.test",
      ipAddress: "203.0.113.5",
      verificationRequired: false,
      registered: {
        user: { id: "user_1", email: "ada@example.test", locale: "de" },
        tenant: { id: "tenant_1", slug: "ada" },
      },
    } as Awaited<ReturnType<typeof validateRegistration>>);
    setLoggedUserMock.mockResolvedValue({ userId: "user_1", defaultTenantId: "tenant_1" } as Awaited<ReturnType<typeof setLoggedUser>>);
    createUserSessionMock.mockResolvedValue(new Response(null, { status: 302, headers: { Location: "/ada/dashboard" } }) as Awaited<ReturnType<typeof createUserSession>>);
  });

  it("hydrates persisted lead conversion fields before validating the verified registration", async () => {
    const AuthService = (await import("./AuthService")).default;
    const request = new Request("https://example.test/verify/signed-registration-token", { method: "POST" });

    await AuthService.verifyFromRequest({ request, params: { id: "signed-registration-token" } });

    expect(validateRegistrationMock).toHaveBeenCalledWith({
      request,
      registrationData: {
        email: "ada@example.test",
        password: "Password123!",
        leadId: "lead_1",
        leadToken: "signed-token",
        leadPlanId: "plan_pro",
      },
      checkEmailVerification: false,
      addToTrialOrFreePlan: true,
    });
    expect(updateRegistrationMock).toHaveBeenCalledWith("registration_1", { createdTenantId: "tenant_1" });
  });

  it("rejects missing verification tokens before parsing form data or mutating registration state", async () => {
    getRegistrationByTokenMock.mockResolvedValueOnce(null);
    const AuthService = (await import("./AuthService")).default;

    const response = await AuthService.verifyFromRequest({
      request: new Request("https://example.test/verify/missing-token", { method: "POST" }),
      params: { id: "missing-token" },
    });
    const data = await response.json();

    expect(response.status).toBe(400);
    expect(data).toEqual({ error: "api.errors.userAlreadyRegistered" });
    expect(getRegistrationFormDataMock).not.toHaveBeenCalled();
    expect(validateRegistrationMock).not.toHaveBeenCalled();
    expect(updateRegistrationMock).not.toHaveBeenCalled();
    expect(setLoggedUserMock).not.toHaveBeenCalled();
    expect(createUserSessionMock).not.toHaveBeenCalled();
  });

  it("rejects already-consumed verification tokens before tenant/user creation work", async () => {
    getRegistrationByTokenMock.mockResolvedValueOnce({
      id: "registration_1",
      createdTenantId: "tenant_1",
    } as Awaited<ReturnType<typeof getRegistrationByToken>>);
    const AuthService = (await import("./AuthService")).default;

    const response = await AuthService.verifyFromRequest({
      request: new Request("https://example.test/verify/used-token", { method: "POST" }),
      params: { id: "used-token" },
    });
    const data = await response.json();

    expect(response.status).toBe(400);
    expect(data).toEqual({ error: "api.errors.userAlreadyRegistered" });
    expect(getRegistrationFormDataMock).not.toHaveBeenCalled();
    expect(validateRegistrationMock).not.toHaveBeenCalled();
    expect(updateRegistrationMock).not.toHaveBeenCalled();
    expect(setLoggedUserMock).not.toHaveBeenCalled();
    expect(createUserSessionMock).not.toHaveBeenCalled();
  });

  it("does not consume the verification token when registration validation does not create an account", async () => {
    validateRegistrationMock.mockResolvedValueOnce({
      email: "ada@example.test",
      ipAddress: "203.0.113.5",
      verificationRequired: false,
      registered: undefined,
    } as Awaited<ReturnType<typeof validateRegistration>>);
    const AuthService = (await import("./AuthService")).default;

    const response = await AuthService.verifyFromRequest({
      request: new Request("https://example.test/verify/signed-registration-token", { method: "POST" }),
      params: { id: "signed-registration-token" },
    });
    const data = await response.json();

    expect(response.status).toBe(400);
    expect(data).toEqual({ error: "shared.unknownError" });
    expect(updateRegistrationMock).not.toHaveBeenCalled();
    expect(setLoggedUserMock).not.toHaveBeenCalled();
    expect(createUserSessionMock).not.toHaveBeenCalled();
  });
});