gerard2p/koaton

import { sync as glob } from 'glob';
import { basename, extname } from 'upath';
import BundleItem from './BundleItem';

/** @ignore */
let isDev = process.env.NODE_ENV === 'development';
/**
 * Creates an object based on its dev prod properties and merges them accordint to
 * the current NODE_ENV
 * This function is recursive and will transform the hole object
 * @private
 * @param {Object} object - target object to transform
 * @param {String} prop - the property to look at
 * @example {a:{dev:0,prod:1}} if NODE_ENV = 'development' -> {a:0}
 */
function DeepDevOrProd (object, prop) {
    let target = object[prop];
    if (Object.keys(target).indexOf('dev') === -1 && typeof target === 'object') {
        for (const deep of Object.keys(target)) {
            DeepDevOrProd(object[prop], deep);
        }
    } else {
        if (Object.keys(target).indexOf('dev') === -1) {
            object[prop] = target;
        } else {
            object[prop] = isDev ? target.dev : /* istanbul ignore next */ target.prod;
        }
    }
}

/**
 * Reads all the configuration files located at config/*.js and merges them into a single object
 * respecting their namespace
 * @class Configuration
 */
export default class Configuration {
    /** @ignore */
    constructor () {
        /** @type {Object} */
        this.bundles = null;
        /** @type {Object} */
        this.conections = null;
        /** @type {Object} */
        this.ember = null;
        /** @type {Object} */
        this.inflections = null;
        /** @type {Object} */
        this.security = null;
        /** @type {Object} */
        this.server = null;
        /** @type {Object} */
        this.static = null;
        /** @type {Object} */
        this.views = null;
        let modules = glob(ProyPath('config', '**', '*.js'));
        let moduleNames = [];
        for (const configFile of modules) {
            let config = require(configFile).default;
            const moduleName = basename(configFile).replace(extname(configFile), '');
            moduleNames.push(moduleName);
            /** @ignore */
            this[moduleName] = config;
        }
        for (const bundle in this.bundles) {
            this.bundles[bundle] = new BundleItem(bundle, this.bundles[bundle]);
        }
        moduleNames.splice(moduleNames.indexOf('bundles'), 1);
        for (const moduleconfig of moduleNames) {
            DeepDevOrProd(this, moduleconfig);
            Object.freeze(this[moduleconfig]);
        }
        makeObjIterable(this.security.strategies);
        makeObjIterable(this.bundles);
    }
}