const EventEmitter = require("events");
// Func

class OperatorStorage extends Array {
    constructor () {
        super();
        this._indexObject = {};
        this._indexObjectIndexOf = {};
    }

    push (item) {
        if (item instanceof Operator) {
            if (!this._indexObject[item.operator]) {
                super.push(item);
                this._indexObject[item.operator] = item;
            }
        }
        else
            throw new TypeError("Into OperatorStorage you can add only Operator's instances");
    }

    includes (item) {
        if (item instanceof Operator) {
            return this._indexObject[item.operator] !== undefined;
        }
        else
            throw new TypeError("Into OperatorStorage storage only Operator type");
    }
}

// API

class Operator {
    constructor (operatorName, argvHandler = () => true, exec = (argv, module) => {}) {
        this.operator = operatorName;
        this.handlers = {
            argv: argvHandler,
            exec
        };
    }
}

class NetHelperModule extends EventEmitter {
    constructor () {
        super();
        this.operators = new OperatorStorage();

        this.statics = { Operator };
        this.serverType = null;
    }

    bind (typeInstance) {
        this.serverType = typeInstance;
    }
}

module.exports = { NetHelperModule };