// Copyright 2020 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

'use strict';

const {assert} = require('chai');
const {before, describe, it} = require('mocha');
const {AutoMlClient} = require('@google-cloud/automl').v1;

const cp = require('child_process');

const execSync = cmd => cp.execSync(cmd, {encoding: 'utf-8'});

const MODEL_ID = 'ICN5317963909599068160';
const PREDICT_REGION_TAG = 'vision_classification_predict';
const LOCATION = 'us-central1';

describe('Automl Vision Classification Predict Test', () => {
  const client = new AutoMlClient();

  before('should verify the model is deployed', async () => {
    const projectId = await client.getProjectId();
    const request = {
      name: client.modelPath(projectId, LOCATION, MODEL_ID),
    };

    const [response] = await client.getModel(request);
    if (response.deploymentState === 'UNDEPLOYED') {
      const request = {
        name: client.modelPath(projectId, LOCATION, MODEL_ID),
      };

      const [operation] = await client.deployModel(request);

      // Wait for operation to complete.
      await operation.promise();
    }
  });

  it('should predict', async () => {
    const projectId = await client.getProjectId();
    const filePath = 'resources/test.png';

    const predictOutput = execSync(
      `node ${PREDICT_REGION_TAG}.js ${projectId} ${LOCATION} ${MODEL_ID} ${filePath}`
    );
    assert.match(predictOutput, /Predicted class name/);
  });
});
