// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
'use strict';

import assert from 'assert';
import 'airbnb-js-shims/target/es2015';

import TrustedOriginsStore from 'main/trustedOrigins.js';
import {BASIC_AUTH_PERMISSION} from 'common/permissions.js';

function mockTOS(fileName, returnvalue) {
    const tos = new TrustedOriginsStore(fileName);
    tos.readFromFile = () => {
        return returnvalue;
    };
    return tos;
}

describe('Trusted Origins', () => {
    describe('validate load', () => {
        it('should be empty if there is no file', () => {
            const tos = mockTOS('emptyfile', null);
            tos.load();
            assert.deepEqual(tos.data.size, 0);
        });

        it('should throw an error if data isn\'t an object', () => {
            const tos = mockTOS('notobject', 'this is not my object!');

            assert.throws(tos.load, SyntaxError);
        });

        it('should throw an error if data isn\'t in the expected format', () => {
            const tos = mockTOS('badobject', '{"https://mattermost.com": "this is not my object!"}');
            assert.throws(tos.load, /^Error: Provided TrustedOrigins file does not validate, using defaults instead\.$/);
        });

        it('should drop keys that aren\'t urls', () => {
            const tos = mockTOS('badobject2', `{"this is not an uri": {"${BASIC_AUTH_PERMISSION}": true}}`);
            tos.load();
            assert.equal(typeof tos.data['this is not an uri'], 'undefined');
        });

        it('should contain valid data if everything goes right', () => {
            const value = {
                'https://mattermost.com': {
                    [BASIC_AUTH_PERMISSION]: true,
                }};
            const tos = mockTOS('okfile', JSON.stringify(value));
            tos.load();
            assert.deepEqual(Object.fromEntries(tos.data.entries()), value);
        });
    });
    describe('validate testing permissions', () => {
        const value = {
            'https://mattermost.com': {
                [BASIC_AUTH_PERMISSION]: true,
            },
            'https://notmattermost.com': {
                [BASIC_AUTH_PERMISSION]: false,
            },
        };
        const tos = mockTOS('permission_test', JSON.stringify(value));
        tos.load();
        it('tos should contain 2 elements', () => {
            assert.equal(tos.data.size, 2);
        });
        it('should say ok if the permission is set', () => {
            assert.equal(tos.checkPermission('https://mattermost.com', BASIC_AUTH_PERMISSION), true);
        });
        it('should say ko if the permission is set to false', () => {
            assert.equal(tos.checkPermission('https://notmattermost.com', BASIC_AUTH_PERMISSION), false);
        });
        it('should say ko if the uri is not set', () => {
            assert.equal(tos.checkPermission('https://undefined.com', BASIC_AUTH_PERMISSION), null);
        });
        it('should say null if the permission is unknown', () => {
            assert.equal(tos.checkPermission('https://mattermost.com'), null);
        });
    });

    describe('validate deleting permissions', () => {
        const value = {
            'https://mattermost.com': {
                [BASIC_AUTH_PERMISSION]: true,
            },
            'https://notmattermost.com': {
                [BASIC_AUTH_PERMISSION]: false,
            },
        };
        const tos = mockTOS('permission_test', JSON.stringify(value));
        tos.load();
        it('deleting revokes access', () => {
            assert.equal(tos.checkPermission('https://mattermost.com', BASIC_AUTH_PERMISSION), true);
            tos.delete('https://mattermost.com');
            assert.equal(tos.checkPermission('https://mattermost.com', BASIC_AUTH_PERMISSION), null);
        });
    });
});
