/**
 * @author Cynser
 * @copyright Crown Copyright 2018
 * @license Apache-2.0
 */

import Operation from "../Operation";
import Utils from "../Utils";
import cptable from "../vendor/js-codepage/cptable.js";
import {IO_FORMAT} from "../lib/ChrEnc";

/**
 * Text Encoding Brute Force operation
 */
class TextEncodingBruteForce extends Operation {

    /**
     * TextEncodingBruteForce constructor
     */
    constructor() {
        super();

        this.name = "Text Encoding Brute Force";
        this.module = "CharEnc";
        this.description = "Enumerate all possible text encodings for input.";
        this.infoURL = "https://wikipedia.org/wiki/Character_encoding";
        this.inputType = "string";
        this.outputType = "string";
        this.args = [];
    }

    /**
     * @param {string} input
     * @param {Object[]} args
     * @returns {string}
     */
    run(input, args) {
        const output = [],
            charSets = Object.keys(IO_FORMAT);

        for (let i = 0; i < charSets.length; i++) {
            let currentEncoding = Utils.printable(charSets[i] + ": ", false);
            currentEncoding += cptable.utils.encode(IO_FORMAT[charSets[i]], input);
            output.push(currentEncoding);
        }

        return output.join("\n");
    }

}

export default TextEncodingBruteForce;