lindell / JsBarcode

import Barcode from "../Barcode.js";

class pharmacode extends Barcode{

	constructor(data, options){

		super(data, options);

		this.number = parseInt(data, 10);

	}

	encode(){

		var z = this.number;

		var result = "";

		// http://i.imgur.com/RMm4UDJ.png

		// (source: http://www.gomaro.ch/ftproot/Laetus_PHARMA-CODE.pdf, page: 34)

		while(!isNaN(z) && z != 0){

			if(z % 2 === 0){ // Even

				result = "11100" + result;

				z = (z - 2) / 2;

			}

			else{ // Odd

				result = "100" + result;

				z = (z - 1) / 2;

			}

		}

		// Remove the two last zeroes

		result = result.slice(0, -2);

		return {

			data: result,

			text: this.text

		};

	}

	valid(){

		return this.number >= 3 && this.number <= 131070;

	}

}

export {pharmacode};