/*
 * This file is a part of "NMIG" - the database migration tool.
 *
 * Copyright (C) 2016 - present, Anatoly Khaytovich <anatolyuss@gmail.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program (please see the "LICENSE.md" file).
 * If not, see <http://www.gnu.org/licenses/gpl.txt>.
 *
 * @author Anatoly Khaytovich <anatolyuss@gmail.com>
 */
import * as test from 'tape';
import { EventEmitter } from 'events';
import Conversion from '../src/Conversion';
import TestSchemaProcessor from './TestModules/TestSchemaProcessor';
import testSchema from './TestModules/SchemaProcessorTest';
import testDataContent from './TestModules/DataContentTest';
import testColumnTypes from './TestModules/ColumnTypesTest';

/**
 * Runs test suites.
 */
function runTestSuites(testSchemaProcessor: TestSchemaProcessor): () => void {
    return () => {
        test.onFinish(async () => {
            await testSchemaProcessor.removeTestResources();
            process.exit();
        });

        test('Test schema should be created', (tapeTestSchema: test.Test) => {
            testSchema(testSchemaProcessor, tapeTestSchema);
        });

        test('Test the data content', (tapeTestDataContent: test.Test) => {
            testDataContent(testSchemaProcessor, tapeTestDataContent);
        });

        test('Test column types', (tapeTestColumnTypes: test.Test) => {
            testColumnTypes(testSchemaProcessor, tapeTestColumnTypes);
        });
    };
}

const testSchemaProcessor: TestSchemaProcessor = new TestSchemaProcessor();

testSchemaProcessor
    .initializeConversion()
    .then((conversion: Conversion) => {
        // Registers callback, that will be invoked when the test database arrangement will be completed.
        (<EventEmitter>conversion._eventEmitter).on(conversion._migrationCompletedEvent, runTestSuites(testSchemaProcessor));

        // Continues the test database arrangement.
        return Promise.resolve(conversion);
    })
    .then(testSchemaProcessor.arrangeTestMigration.bind(testSchemaProcessor));