/*
 * Copyright 2020 Google Inc. All Rights Reserved.
 *
 *  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
 *
 *      http://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.
 */

import {ConsoleLog, Log, Config, AndroidSdkTools, JdkHelper} from '@bubblewrap/core';
import {loadOrCreateConfig} from '../config';
import {enUS as messages} from '../strings';

async function jdkDoctor(config: Config, log: Log): Promise<boolean> {
  const result = await JdkHelper.validatePath(config.jdkPath);
  if (result.isError()) {
    if (result.unwrapError().getErrorCode() === 'PathIsNotCorrect') {
      log.error(messages.jdkPathIsNotCorrect);
      return false;
    } else if (result.unwrapError().getErrorCode() === 'PathIsNotSupported') {
      log.error(messages.jdkIsNotSupported);
      return false;
    } else { // Error while reading the file, will print the error message.
      log.error(result.unwrapError().message);
      return false;
    }
  }
  return true;
}

async function androidSdkDoctor(config: Config, log: Log): Promise<boolean> {
  if ((await AndroidSdkTools.validatePath(config.androidSdkPath)).isError()) {
    log.error(messages.androidSdkPathIsNotCorrect);
    return false;
  };
  return true;
}

export async function doctor(
    log: Log = new ConsoleLog('doctor'), configPath?: string | undefined): Promise<boolean> {
  const config = await loadOrCreateConfig(log, undefined, configPath);
  const jdkResult = await jdkDoctor(config, log);
  const androidSdkResult = await androidSdkDoctor(config, log);
  if (jdkResult && androidSdkResult) {
    log.info(messages.bothPathsAreValid);
  }
  return jdkResult && androidSdkResult;
}