import { describe, expect, it, jest } from '@jest/globals';
import { useSession } from '../useSession';
import { useState } from '../useState';
import { axios } from 'app/tests/jest/jestHelpers';

const session = useSession();
const state = useState();

describe('session', () => {
    describe('getToken / setToken', () => {
        it('should return an empty string if no token is found in local or session storage', async () => {
            const expectedToken = ''

            const token = session.getToken();

            expect(token).toEqual(expectedToken);
        });

        it('should return the token stored in local or session storage', async () => {
            const expectedToken = 'myToken'
            const data = {
                token: expectedToken,
                keepLogin: false
            }
            session.setToken(data);

            const token = session.getToken();

            expect(token).toEqual(expectedToken);
        });
    });

    describe('destroy', () => {
        it('should remove the token from the local storage and set a blank user', async () => {
            const previousUser = {
                id: 999,
                name: `T'Challa`,
                nickname: 'Black Panther',
                lang: 'en',
                darkMode: false,
            }
            const expectedUser = {
                id: 0,
                name: '',
                nickname: '',
                lang: '',
                darkMode: null,
            }
            let user = state.getUser();

            localStorage.setItem('token', 'tokenToBeGone');
            state.setUser(previousUser)

            expect(localStorage.getItem('token')).toEqual('tokenToBeGone');
            expect(user.value).toEqual(previousUser);


            session.destroy();

            user = state.getUser();
            expect(localStorage.getItem('token')).toBeNull();
            expect(user.value).toEqual(expectedUser);
        });
    });

    describe('login', () => {
        const expectedUser = {
            id: 999,
            name: `T'Challa`,
            nickname: 'Black Panther',
            lang: 'en',
            userConfig: {
                darkMode: false,
            }
        }
        const rolesData = [
            {
                role: {
                    name: 'salesPerson'
                }
            },
            {
                role: {
                    name: 'admin'
                }
            }
        ];

        it('should fetch the user roles and then set token in the sessionStorage', async () => {
            const expectedRoles = ['salesPerson', 'admin']
            jest.spyOn(axios, 'get').mockResolvedValue({
                data: { roles: rolesData, user: expectedUser }
            });

            const expectedToken = 'mySessionToken'
            const keepLogin = false

            await session.login(expectedToken, keepLogin);

            const roles = state.getRoles();
            const localToken = localStorage.getItem('token');
            const sessionToken = sessionStorage.getItem('token');

            expect(roles.value).toEqual(expectedRoles);
            expect(localToken).toBeNull();
            expect(sessionToken).toEqual(expectedToken);

            session.destroy() // this clears token and user for any other test
        });

        it('should fetch the user roles and then set token in the localStorage', async () => {
            const expectedRoles = ['salesPerson', 'admin']
            jest.spyOn(axios, 'get').mockResolvedValue({
                data: { roles: rolesData, user: expectedUser }
            });

            const expectedToken = 'myLocalToken'
            const keepLogin = true

            await session.login(expectedToken, keepLogin);

            const roles = state.getRoles();
            const localToken = localStorage.getItem('token');
            const sessionToken = sessionStorage.getItem('token');

            expect(roles.value).toEqual(expectedRoles);
            expect(localToken).toEqual(expectedToken);
            expect(sessionToken).toBeNull();

            session.destroy() // this clears token and user for any other test
        });
    });
});