'use strict';

var _createClass = function() {
	function defineProperties(target, props) {
		for (var i = 0; i < props.length; i++) {
			var descriptor = props[i];
			descriptor.enumerable = descriptor.enumerable || false;
			descriptor.configurable = true;
			if ("value" in descriptor) descriptor.writable = true;
			Object.defineProperty(target, descriptor.key, descriptor);
		}
	}
	return function(Constructor, protoProps, staticProps) {
		if (protoProps) defineProperties(Constructor.prototype, protoProps);
		if (staticProps) defineProperties(Constructor, staticProps);
		return Constructor;
	};
}();

import _constants from './constants'

import _encoder2 from './encoder'

import _Barcode3 from '../Barcode.js'

function _interopRequireDefault(obj) {
	return obj && obj.__esModule ? obj : {
		default: obj
	};
}

function _classCallCheck(instance, Constructor) {
	if (!(instance instanceof Constructor)) {
		throw new TypeError("Cannot call a class as a function");
	}
}

function _possibleConstructorReturn(self, call) {
	if (!self) {
		throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
	}
	return call && (typeof call === "object" || typeof call === "function") ? call : self;
}

function _inherits(subClass, superClass) {
	if (typeof superClass !== "function" && superClass !== null) {
		throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
	}
	subClass.prototype = Object.create(superClass && superClass.prototype, {
		constructor: {
			value: subClass,
			enumerable: false,
			writable: true,
			configurable: true
		}
	});
	if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ =
		superClass;
}

// Base class for EAN8 & EAN13
var EAN = function(_Barcode) {
	_inherits(EAN, _Barcode);

	function EAN(data, options) {
		_classCallCheck(this, EAN);

		// Make sure the font is not bigger than the space between the guard bars
		var _this = _possibleConstructorReturn(this, (EAN.__proto__ || Object.getPrototypeOf(EAN)).call(this, data,
			options));

		_this.fontSize = !options.flat && options.fontSize > options.width * 10 ? options.width * 10 : options
			.fontSize;

		// Make the guard bars go down half the way of the text
		_this.guardHeight = options.height + _this.fontSize / 2 + options.textMargin;
		return _this;
	}

	_createClass(EAN, [{
		key: 'encode',
		value: function encode() {
			return this.options.flat ? this.encodeFlat() : this.encodeGuarded();
		}
	}, {
		key: 'leftText',
		value: function leftText(from, to) {
			return this.text.substr(from, to);
		}
	}, {
		key: 'leftEncode',
		value: function leftEncode(data, structure) {
			return (0, _encoder2)(data, structure);
		}
	}, {
		key: 'rightText',
		value: function rightText(from, to) {
			return this.text.substr(from, to);
		}
	}, {
		key: 'rightEncode',
		value: function rightEncode(data, structure) {
			return (0, _encoder2)(data, structure);
		}
	}, {
		key: 'encodeGuarded',
		value: function encodeGuarded() {
			var textOptions = {
				fontSize: this.fontSize
			};
			var guardOptions = {
				height: this.guardHeight
			};

			return [{
				data: _constants.SIDE_BIN,
				options: guardOptions
			}, {
				data: this.leftEncode(),
				text: this.leftText(),
				options: textOptions
			}, {
				data: _constants.MIDDLE_BIN,
				options: guardOptions
			}, {
				data: this.rightEncode(),
				text: this.rightText(),
				options: textOptions
			}, {
				data: _constants.SIDE_BIN,
				options: guardOptions
			}];
		}
	}, {
		key: 'encodeFlat',
		value: function encodeFlat() {
			var data = [_constants.SIDE_BIN, this.leftEncode(), _constants.MIDDLE_BIN, this
				.rightEncode(), _constants.SIDE_BIN
			];

			return {
				data: data.join(''),
				text: this.text
			};
		}
	}]);

	return EAN;
}(_Barcode3);

export default EAN;