import expect from 'test/unexpected';
import sinon from 'sinon';

import { browserHistory } from 'services/history';

import { InternalServerError } from 'services/request';
import { sessionStorage } from 'services/localStorage';
import * as authentication from 'services/api/authentication';
import {
  authenticate,
  revoke,
  logoutAll,
  logoutStrangers,
} from 'components/accounts/actions';
import {
  add,
  ADD,
  activate,
  ACTIVATE,
  remove,
  reset,
} from 'components/accounts/actions/pure-actions';
import { SET_LOCALE } from 'components/i18n/actions';

import { updateUser, setUser } from 'components/user/actions';
import { setLogin, setAccountSwitcher } from 'components/auth/actions';

const token =
  'eyJhbGciOiJIUzI1NiJ9.eyJzdWIiOiJlbHl8MSJ9.pRJ7vakt2eIscjqwG__KhSxKb3qwGsdBBeDbBffJs_I';
const legacyToken =
  'eyJhbGciOiJIUzI1NiJ9.eyJqdGkiOjF9.cRF-sQNrwWQ94xCb3vWioVdjxAZeefEE7GMGwh7708o';

const account = {
  id: 1,
  username: 'username',
  email: 'email@test.com',
  token,
  refreshToken: 'bar',
};

const user = {
  id: 1,
  username: 'username',
  email: 'email@test.com',
  lang: 'be',
};

describe('components/accounts/actions', () => {
  let dispatch;
  let getState;

  beforeEach(() => {
    dispatch = sinon
      .spy(arg => (typeof arg === 'function' ? arg(dispatch, getState) : arg))
      .named('store.dispatch');
    getState = sinon.stub().named('store.getState');

    getState.returns({
      accounts: {
        available: [],
        active: null,
      },
      auth: {
        credentials: {},
      },
      user: {},
    });

    sinon
      .stub(authentication, 'validateToken')
      .named('authentication.validateToken');
    sinon.stub(browserHistory, 'push').named('browserHistory.push');
    sinon.stub(authentication, 'logout').named('authentication.logout');

    authentication.logout.returns(Promise.resolve());
    authentication.validateToken.returns(
      Promise.resolve({
        token: account.token,
        refreshToken: account.refreshToken,
        user,
      }),
    );
  });

  afterEach(() => {
    authentication.validateToken.restore();
    authentication.logout.restore();
    browserHistory.push.restore();
  });

  describe('#authenticate()', () => {
    it('should request user state using token', () =>
      authenticate(account)(dispatch, getState).then(() =>
        expect(authentication.validateToken, 'to have a call satisfying', [
          account.id,
          account.token,
          account.refreshToken,
        ]),
      ));

    it('should request user by extracting id from token', () =>
      authenticate({ token })(dispatch, getState).then(() =>
        expect(authentication.validateToken, 'to have a call satisfying', [
          1,
          token,
          undefined,
        ]),
      ));

    it('should request user by extracting id from legacy token', () =>
      authenticate({ token: legacyToken })(dispatch, getState).then(() =>
        expect(authentication.validateToken, 'to have a call satisfying', [
          1,
          legacyToken,
          undefined,
        ]),
      ));

    it(`dispatches ${ADD} action`, () =>
      authenticate(account)(dispatch, getState).then(() =>
        expect(dispatch, 'to have a call satisfying', [add(account)]),
      ));

    it(`dispatches ${ACTIVATE} action`, () =>
      authenticate(account)(dispatch, getState).then(() =>
        expect(dispatch, 'to have a call satisfying', [activate(account)]),
      ));

    it(`dispatches ${SET_LOCALE} action`, () =>
      authenticate(account)(dispatch, getState).then(() =>
        expect(dispatch, 'to have a call satisfying', [
          { type: SET_LOCALE, payload: { locale: 'be' } },
        ]),
      ));

    it('should update user state', () =>
      authenticate(account)(dispatch, getState).then(() =>
        expect(dispatch, 'to have a call satisfying', [
          updateUser({ ...user, isGuest: false }),
        ]),
      ));

    it('resolves with account', () =>
      authenticate(account)(dispatch, getState).then(resp =>
        expect(resp, 'to equal', account),
      ));

    it('rejects when bad auth data', () => {
      authentication.validateToken.returns(Promise.reject({}));

      return expect(
        authenticate(account)(dispatch, getState),
        'to be rejected',
      ).then(() => {
        expect(dispatch, 'to have a call satisfying', [
          setLogin(account.email),
        ]);

        expect(browserHistory.push, 'to have a call satisfying', ['/login']);
      });
    });

    it('rejects when 5xx without logouting', () => {
      const resp = new InternalServerError(null, { status: 500 });

      authentication.validateToken.rejects(resp);

      return expect(
        authenticate(account)(dispatch, getState),
        'to be rejected with',
        resp,
      ).then(() =>
        expect(dispatch, 'to have no calls satisfying', [
          { payload: { isGuest: true } },
        ]),
      );
    });

    it('marks user as stranger, if there is no refreshToken', () => {
      const expectedKey = `stranger${account.id}`;
      authentication.validateToken.resolves({
        token: account.token,
        user,
      });

      sessionStorage.removeItem(expectedKey);

      return authenticate(account)(dispatch, getState).then(() => {
        expect(sessionStorage.getItem(expectedKey), 'not to be null');
        sessionStorage.removeItem(expectedKey);
      });
    });

    describe('when user authenticated during oauth', () => {
      beforeEach(() => {
        getState.returns({
          accounts: {
            available: [],
            active: null,
          },
          user: {},
          auth: {
            oauth: {
              clientId: 'ely.by',
              prompt: [],
            },
          },
        });
      });

      it('should dispatch setAccountSwitcher', () =>
        authenticate(account)(dispatch, getState).then(() =>
          expect(dispatch, 'to have a call satisfying', [
            setAccountSwitcher(false),
          ]),
        ));
    });

    describe('when one account available', () => {
      beforeEach(() => {
        getState.returns({
          accounts: {
            active: account.id,
            available: [account],
          },
          auth: {
            credentials: {},
          },
          user,
        });
      });

      it('should activate account before auth api call', () => {
        authentication.validateToken.returns(Promise.reject({ error: 'foo' }));

        return expect(
          authenticate(account)(dispatch, getState),
          'to be rejected with',
          { error: 'foo' },
        ).then(() =>
          expect(dispatch, 'to have a call satisfying', [activate(account)]),
        );
      });
    });
  });

  describe('#revoke()', () => {
    describe('when one account available', () => {
      beforeEach(() => {
        getState.returns({
          accounts: {
            active: account.id,
            available: [account],
          },
          auth: {
            credentials: {},
          },
          user,
        });
      });

      it('should dispatch reset action', () =>
        revoke(account)(dispatch, getState).then(() =>
          expect(dispatch, 'to have a call satisfying', [reset()]),
        ));

      it('should call logout api method in background', () =>
        revoke(account)(dispatch, getState).then(() =>
          expect(authentication.logout, 'to have a call satisfying', [
            account.token,
          ]),
        ));

      it('should update user state', () =>
        revoke(account)(dispatch, getState).then(
          () =>
            expect(dispatch, 'to have a call satisfying', [
              setUser({ isGuest: true }),
            ]),
          // expect(dispatch, 'to have calls satisfying', [
          //     [remove(account)],
          //     [expect.it('to be a function')]
          //     // [logout()] // TODO: this is not a plain action. How should we simplify its testing?
          // ])
        ));
    });

    describe('when multiple accounts available', () => {
      const account2 = { ...account, id: 2 };

      beforeEach(() => {
        getState.returns({
          accounts: {
            active: account2.id,
            available: [account, account2],
          },
          user,
        });
      });

      it('should switch to the next account', () =>
        revoke(account2)(dispatch, getState).then(() =>
          expect(dispatch, 'to have a call satisfying', [activate(account)]),
        ));

      it('should remove current account', () =>
        revoke(account2)(dispatch, getState).then(() =>
          expect(dispatch, 'to have a call satisfying', [remove(account2)]),
        ));

      it('should call logout api method in background', () =>
        revoke(account2)(dispatch, getState).then(() =>
          expect(authentication.logout, 'to have a call satisfying', [
            account2.token,
          ]),
        ));
    });
  });

  describe('#logoutAll()', () => {
    const account2 = { ...account, id: 2 };

    beforeEach(() => {
      getState.returns({
        accounts: {
          active: account2.id,
          available: [account, account2],
        },
        auth: {
          credentials: {},
        },
        user,
      });
    });

    it('should call logout api method for each account', () => {
      logoutAll()(dispatch, getState);

      expect(authentication.logout, 'to have calls satisfying', [
        [account.token],
        [account2.token],
      ]);
    });

    it('should dispatch reset', () => {
      logoutAll()(dispatch, getState);

      expect(dispatch, 'to have a call satisfying', [reset()]);
    });

    it('should redirect to /login', () =>
      logoutAll()(dispatch, getState).then(() => {
        expect(browserHistory.push, 'to have a call satisfying', ['/login']);
      }));

    it('should change user to guest', () =>
      logoutAll()(dispatch, getState).then(() => {
        expect(dispatch, 'to have a call satisfying', [
          setUser({
            lang: user.lang,
            isGuest: true,
          }),
        ]);
      }));
  });

  describe('#logoutStrangers', () => {
    const foreignAccount = {
      ...account,
      id: 2,
      refreshToken: undefined,
    };

    const foreignAccount2 = {
      ...foreignAccount,
      id: 3,
    };

    beforeEach(() => {
      getState.returns({
        accounts: {
          active: foreignAccount.id,
          available: [account, foreignAccount, foreignAccount2],
        },
        user,
      });
    });

    it('should remove stranger accounts', () => {
      logoutStrangers()(dispatch, getState);

      expect(dispatch, 'to have a call satisfying', [remove(foreignAccount)]);
      expect(dispatch, 'to have a call satisfying', [remove(foreignAccount2)]);
    });

    it('should logout stranger accounts', () => {
      logoutStrangers()(dispatch, getState);

      expect(authentication.logout, 'to have calls satisfying', [
        [foreignAccount.token],
        [foreignAccount2.token],
      ]);
    });

    it('should activate another account if available', () =>
      logoutStrangers()(dispatch, getState).then(() =>
        expect(dispatch, 'to have a call satisfying', [activate(account)]),
      ));

    it('should not activate another account if active account is already not a stranger', () => {
      getState.returns({
        accounts: {
          active: account.id,
          available: [account, foreignAccount],
        },
        user,
      });

      return logoutStrangers()(dispatch, getState).then(() =>
        expect(dispatch, 'not to have calls satisfying', [activate(account)]),
      );
    });

    it('should not dispatch if no strangers', () => {
      getState.returns({
        accounts: {
          active: account.id,
          available: [account],
        },
        user,
      });

      return logoutStrangers()(dispatch, getState).then(() =>
        expect(dispatch, 'was not called'),
      );
    });

    describe('when all accounts are strangers', () => {
      beforeEach(() => {
        getState.returns({
          accounts: {
            active: foreignAccount.id,
            available: [foreignAccount, foreignAccount2],
          },
          auth: {
            credentials: {},
          },
          user,
        });

        logoutStrangers()(dispatch, getState);
      });

      it('logouts all accounts', () => {
        expect(authentication.logout, 'to have calls satisfying', [
          [foreignAccount.token],
          [foreignAccount2.token],
        ]);

        expect(dispatch, 'to have a call satisfying', [
          setUser({ isGuest: true }),
        ]);

        expect(dispatch, 'to have a call satisfying', [reset()]);
      });
    });

    describe('when a stranger has a mark in sessionStorage', () => {
      const key = `stranger${foreignAccount.id}`;

      beforeEach(() => {
        sessionStorage.setItem(key, 1);

        logoutStrangers()(dispatch, getState);
      });

      afterEach(() => {
        sessionStorage.removeItem(key);
      });

      it('should not log out', () =>
        expect(dispatch, 'not to have calls satisfying', [
          { payload: foreignAccount },
        ]));
    });
  });
});