// Copyright (c) Microsoft Corporation.
// Licensed under the MIT license.

'use strict';

import * as chai from 'chai';
import * as chaiAsPromised from 'chai-as-promised';
import * as fs from 'fs';
import * as tmp from 'tmp';
import * as component from '../../common/component';
import { cleanupUnitTest, prepareUnitTest } from '../../common/utils';
import { TrialConfigMetadataKey } from '../../training_service/common/trialConfigMetadataKey';
import { KubeflowTrainingService } from '../../training_service/kubernetes/kubeflow/kubeflowTrainingService';

// TODO: copy mockedTrail.py to local folder
const localCodeDir: string = tmp.dirSync().name
const mockedTrialPath: string = './test/mock/mockedTrial.py'
fs.copyFileSync(mockedTrialPath, localCodeDir + '/mockedTrial.py')

describe('Unit Test for KubeflowTrainingService', () => {
    let skip: boolean = false;
    let testKubeflowConfig: any;
    let testKubeflowTrialConfig : any;
    try {
        testKubeflowConfig = JSON.parse(fs.readFileSync('../../.vscode/kubeflowCluster.json', 'utf8'));
        testKubeflowTrialConfig = `{\"command\":\"python3 mnist.py\",\"codeDir\":\"/tmp/nni/examples/trials/mnist",\"gpuNum\":\"1\",\"cpuNum\":\"2\",\"memoryMB\":\"8196\",\"image\":\"msranni/nni:latest\"}`;
    } catch (err) {
        console.log('Please configure kubeflowCluster.json to enable kubeflow training service unit test.');
        skip = true;
    }

    let kubeflowTrainingService: KubeflowTrainingService;

    console.log(tmp.dirSync().name);

    before(() => {
        chai.should();
        chai.use(chaiAsPromised);
        prepareUnitTest();
    });

    after(() => {
        cleanupUnitTest();
    });

    beforeEach(() => {
        if (skip) {
            return;
        }
        kubeflowTrainingService = component.get(KubeflowTrainingService);
    });

    afterEach(() => {
        if (skip) {
            return;
        }
        kubeflowTrainingService.cleanUp();
    });

    it('Set cluster metadata', async () => {
        if (skip) {
            return;
        }
        await kubeflowTrainingService.setClusterMetadata(TrialConfigMetadataKey.KUBEFLOW_CLUSTER_CONFIG, testKubeflowConfig),
        await kubeflowTrainingService.setClusterMetadata(TrialConfigMetadataKey.TRIAL_CONFIG, testKubeflowTrialConfig);
    });
});
