"use strict";

var _path = _interopRequireDefault(require("path"));
var _fs = _interopRequireDefault(require("fs"));
var _url = _interopRequireDefault(require("url"));
var _lodash = _interopRequireDefault(require("lodash"));
var _util = require("util");
var _index = _interopRequireDefault(require("./index"));
var _yargs = _interopRequireDefault(require("../core/yargs"));
var _importHelper = _interopRequireDefault(require("./import-helper"));
var _process = _interopRequireDefault(require("process"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
const args = (0, _yargs.default)().argv;
const api = {
  config: undefined,
  rawConfig: undefined,
  error: undefined,
  async init() {
    let config;
    try {
      if (args.url) {
        config = api.parseDbUrl(args.url);
      } else {
        const module = await _importHelper.default.importModule(api.getConfigFile());
        config = await module.default;
      }
    } catch (e) {
      api.error = e;
    }
    if (typeof config === 'function') {
      // accepts callback parameter
      if (config.length === 1) {
        config = await (0, _util.promisify)(config)();
      } else {
        // returns a promise.
        config = await config();
      }
    }
    api.rawConfig = config;
    return api;
  },
  getConfigFile() {
    if (args.config) {
      return _path.default.resolve(_process.default.cwd(), args.config);
    }
    const defaultPath = _path.default.resolve(_process.default.cwd(), 'config', 'config.json');
    const alternativePath = defaultPath.replace('.json', '.js');
    return _index.default.path.existsSync(alternativePath) ? alternativePath : defaultPath;
  },
  relativeConfigFile() {
    return _path.default.relative(_process.default.cwd(), api.getConfigFile());
  },
  configFileExists() {
    return _index.default.path.existsSync(api.getConfigFile());
  },
  getDefaultConfig() {
    return JSON.stringify({
      development: {
        username: 'root',
        password: null,
        database: 'database_development',
        host: '127.0.0.1',
        dialect: 'mysql'
      },
      test: {
        username: 'root',
        password: null,
        database: 'database_test',
        host: '127.0.0.1',
        dialect: 'mysql'
      },
      production: {
        username: 'root',
        password: null,
        database: 'database_production',
        host: '127.0.0.1',
        dialect: 'mysql'
      }
    }, undefined, 2) + '\n';
  },
  writeDefaultConfig() {
    const configPath = _path.default.dirname(api.getConfigFile());
    if (!_index.default.path.existsSync(configPath)) {
      _index.default.asset.mkdirp(configPath);
    }
    _fs.default.writeFileSync(api.getConfigFile(), api.getDefaultConfig());
  },
  readConfig() {
    if (!api.config) {
      const env = _index.default.generic.getEnvironment();
      if (api.rawConfig === undefined) {
        throw new Error('Error reading "' + api.relativeConfigFile() + '". Error: ' + api.error);
      }
      if (typeof api.rawConfig !== 'object') {
        throw new Error('Config must be an object or a promise for an object: ' + api.relativeConfigFile());
      }
      if (args.url) {
        _index.default.view.log('Parsed url ' + api.filteredUrl(args.url, api.rawConfig));
      } else {
        _index.default.view.log('Loaded configuration file "' + api.relativeConfigFile() + '".');
      }
      if (api.rawConfig[env]) {
        _index.default.view.log('Using environment "' + env + '".');
        api.rawConfig = api.rawConfig[env];
      }

      // The Sequelize library needs a function passed in to its logging option
      if (api.rawConfig.logging && !_lodash.default.isFunction(api.rawConfig.logging)) {
        api.rawConfig.logging = console.log;
      }

      // in case url is present - we overwrite the configuration
      if (api.rawConfig.url) {
        api.rawConfig = _lodash.default.merge(api.rawConfig, api.parseDbUrl(api.rawConfig.url));
      } else if (api.rawConfig.use_env_variable) {
        api.rawConfig = _lodash.default.merge(api.rawConfig, api.parseDbUrl(_process.default.env[api.rawConfig.use_env_variable]));
      }
      api.config = api.rawConfig;
    }
    return api.config;
  },
  filteredUrl(uri, config) {
    const regExp = new RegExp(':?' + _lodash.default.escapeRegExp(config.password) + '@');
    return uri.replace(regExp, ':*****@');
  },
  urlStringToConfigHash(urlString) {
    try {
      const urlParts = _url.default.parse(urlString);
      let result = {
        database: urlParts.pathname.replace(/^\//, ''),
        host: urlParts.hostname,
        port: urlParts.port,
        protocol: urlParts.protocol.replace(/:$/, ''),
        ssl: urlParts.query ? urlParts.query.indexOf('ssl=true') >= 0 : false
      };
      if (urlParts.auth) {
        const authParts = urlParts.auth.split(':');
        result.username = authParts[0];
        if (authParts.length > 1) {
          result.password = authParts.slice(1).join(':');
        }
      }
      return result;
    } catch (e) {
      throw new Error('Error parsing url: ' + urlString);
    }
  },
  parseDbUrl(urlString) {
    let config = api.urlStringToConfigHash(urlString);
    config = _lodash.default.assign(config, {
      dialect: config.protocol
    });
    if (config.dialect === 'sqlite' && config.database.indexOf(':memory') !== 0) {
      config = _lodash.default.assign(config, {
        storage: '/' + config.database
      });
    }
    return config;
  }
};
module.exports = api;