import gulp from 'gulp';
import gutil from 'gulp-util';
import jest from 'gulp-jest';
import {Server as Karma} from 'karma';
import {CLIOptions} from 'aurelia-cli';

function testUIInKarma(done) {
  let karamConfig = {
    configFile: __dirname + '/../../karma.conf.js'
  };
  if (CLIOptions.hasFlag('watch')) {
    karamConfig.singleRun = false;
    karamConfig.specReporter = {
      showSpecTiming: true,
      suppressSkipped: true,
      suppressErrorSummary: false
    };
  }
  let focusedTest = CLIOptions.getFlagValue('focused-test');
  if (focusedTest) {
    focusedTest = focusedTest.replace(/(.spec)?.js/g, '');
    // use args to pass information to aurelia-karma
    karamConfig.client = {
      captureConsole: true,
      args: ['focused-test', focusedTest]
    };
    // use turn on debugging
    karamConfig.browserConsoleLogOptions = {
      level: 'debug',
      format: '%b %T: %m',
      terminal: true
    };
  }
  let browser = CLIOptions.getFlagValue('browser');
  if (browser) {
    karamConfig.browsers = [browser];
  }
  new Karma(karamConfig, done).start();
}

function testUIInJest() {
  gutil.log('UI Tests do not in JEST: Due to JSDOM incompatibility with StageComponent');
  gutil.log('UI Tests do not in JEST: Currently Expected to fail solved by COREWEB-1242');
  let focusedTest = CLIOptions.getFlagValue('focused-test');
  let jestConfig = {
    config: require('../../test/jest/jest-ui.json')
  };
  if (focusedTest) {
    focusedTest = focusedTest.replace(/(.spec)?.js/g, '');
    jestConfig.config.testRegex = `(?!util|lib|value-converters|configuration)[\\\/\\\\].*${focusedTest}.*.spec.js$`;
  }
  return gulp.src('src').pipe(jest(jestConfig));
}

function testBusinessLogic() {
  let focusedTest = CLIOptions.getFlagValue('focused-test');
  let jestConfig = {
    config: require('../../test/jest/jest-bl.json')
  };
  if (focusedTest) {
    focusedTest = focusedTest.replace(/(.spec)?.js/g, '');
    jestConfig.config.testRegex = `(util|lib|value-converters|configuration).*${focusedTest}.*.spec.js$`;
  }
  gutil.log('UI Tests do not in JEST: Due to JSDOM incompatibility with StageComponent');
  return gulp.src('src').pipe(jest({
    config: require('../../test/jest/jest-bl.json')
  }));
}

export default function test(done) {
  if (CLIOptions.hasFlag('bl')) {
    return testBusinessLogic();
  } else if (CLIOptions.hasFlag('ui-dual-run')) {
    return gulp.series(
      testUIInJest,
      testUIInKarma
    )(done);
  } else if (CLIOptions.hasFlag('ui') || CLIOptions.hasFlag('ui-karma')) {
    return testUIInKarma(done);
  } else if (CLIOptions.hasFlag('ui-jest')) {
    return testUIInJest();
  }
  return gulp.series(
    testBusinessLogic,
    testUIInKarma
  )();
}