import assert = require("assert");
import VerifyGet = require("../../../../../src/server/lib/routes/verify/get");
import AuthenticationSession = require("../../../../../src/server/lib/AuthenticationSession");

import sinon = require("sinon");
import winston = require("winston");
import BluebirdPromise = require("bluebird");

import express = require("express");

import ExpressMock = require("../../mocks/express");
import AccessControllerMock = require("../../mocks/AccessController");
import ServerVariablesMock = require("../../mocks/ServerVariablesMock");

describe("test authentication token verification", function () {
  let req: ExpressMock.RequestMock;
  let res: ExpressMock.ResponseMock;
  let accessController: AccessControllerMock.AccessControllerMock;

  beforeEach(function () {
    accessController = AccessControllerMock.AccessControllerMock();
    accessController.isDomainAllowedForUser.returns(true);

    req = ExpressMock.RequestMock();
    res = ExpressMock.ResponseMock();
    req.session = {};
    AuthenticationSession.reset(req as any);
    req.headers = {};
    req.headers.host = "secret.example.com";
    const mocks = ServerVariablesMock.mock(req.app);
    mocks.config = {} as any;
    mocks.logger = winston;
    mocks.accessController = accessController as any;
  });

  it("should be already authenticated", function () {
    req.session = {};
    AuthenticationSession.reset(req as any);
    const authSession = AuthenticationSession.get(req as any);
    authSession.first_factor = true;
    authSession.second_factor = true;
    authSession.userid = "myuser";

    return VerifyGet.default(req as express.Request, res as any)
      .then(function () {
        assert.equal(204, res.status.getCall(0).args[0]);
      });
  });

  describe("given different cases of session", function () {
    function test_session(auth_session: AuthenticationSession.AuthenticationSession, status_code: number) {
      return VerifyGet.default(req as express.Request, res as any)
        .then(function () {
          assert.equal(status_code, res.status.getCall(0).args[0]);
        });
    }

    function test_non_authenticated_401(auth_session: AuthenticationSession.AuthenticationSession) {
      return test_session(auth_session, 401);
    }

    function test_unauthorized_403(auth_session: AuthenticationSession.AuthenticationSession) {
      return test_session(auth_session, 403);
    }

    function test_authorized(auth_session: AuthenticationSession.AuthenticationSession) {
      return test_session(auth_session, 204);
    }

    it("should not be authenticated when second factor is missing", function () {
      return test_non_authenticated_401({
        userid: "user",
        first_factor: true,
        second_factor: false,
        email: undefined,
        groups: [],
      });
    });

    it("should not be authenticated when first factor is missing", function () {
      return test_non_authenticated_401({
        userid: "user",
        first_factor: false,
        second_factor: true,
        email: undefined,
        groups: [],
      });
    });

    it("should not be authenticated when userid is missing", function () {
      return test_non_authenticated_401({
        userid: undefined,
        first_factor: true,
        second_factor: false,
        email: undefined,
        groups: [],
      });
    });

    it("should not be authenticated when first and second factor are missing", function () {
      return test_non_authenticated_401({
        userid: "user",
        first_factor: false,
        second_factor: false,
        email: undefined,
        groups: [],
      });
    });

    it("should not be authenticated when session has not be initiated", function () {
      return test_non_authenticated_401(undefined);
    });

    it("should not be authenticated when domain is not allowed for user", function () {
      const authSession = AuthenticationSession.get(req as any);
      authSession.first_factor = true;
      authSession.second_factor = true;
      authSession.userid = "myuser";

      req.headers.host = "test.example.com";

      accessController.isDomainAllowedForUser.returns(false);
      accessController.isDomainAllowedForUser.withArgs("test.example.com", "user", ["group1", "group2"]).returns(true);

      return test_unauthorized_403({
        first_factor: true,
        second_factor: true,
        userid: "user",
        groups: ["group1", "group2"],
        email: undefined
      });
    });
  });
});