// 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.

var fs = require('fs'),
    path = require('path');

exports.devServerPort = 8000;
exports.couch = 'http://couch:5984/';

exports.init = function () {

  return {
    readSettingsFile: function () {
      if (fs.existsSync(path.join(__dirname, "../settings.json"))) {
        return require(path.join(__dirname, "../settings.json"));
      } else if (fs.existsSync(path.join(__dirname, '../settings.json.default.json'))) {
        return require(path.join(__dirname, '../settings.json.default.json'));
      }

      throw new Error('settings.json file missing');
    },

    readI18nFile: function () {
      if (fs.existsSync(path.join(__dirname, '../i18n.json'))) {
        return require(path.join(__dirname, '../i18n.json'));
      }
      if (fs.existsSync(path.join(__dirname, '../i18n.json.default.json'))) {
        return require(path.join(__dirname, '../i18n.json.default.json'));
      }

      throw new Error('i18n file missing');
    },

    processAddons: function (callback) {
      this.readSettingsFile().deps.forEach(callback);
    },

    getFileList: function (fileExtensions, defaults) {
      return this.readSettingsFile().deps.reduce((files, dep) => {
        if (dep.path) {
          fileExtensions.forEach(fileExtension => {
            files.push(path.join(dep.path, '**/*' + fileExtension));
          });
        }
        return files;
      }, defaults);
    }
  };
};