/**
 * Copyright © 2016 maijindou.com All rights reserved.
 * See COPYING.txt for license details.
 */
(function (factory) {
    if (typeof define === 'function' && define.amd) {
        define([
            "jquery",
            "mage/backend/validation",
            "prototype"
        ], factory);
    } else {
        factory(jQuery);
    }
}(function (jQuery) {

window.directPost = Class.create();
directPost.prototype = {
    initialize : function(methodCode, iframeId, controller, orderSaveUrl, cgiUrl, nativeAction) {
        var prepare = function (event, method) {
            if (method === 'authorizenet_directpost') {
                this.preparePayment();
            }
        };
        this.iframeId = iframeId;
        this.controller = controller;
        this.orderSaveUrl = orderSaveUrl;
        this.nativeAction = nativeAction;
        this.cgiUrl = cgiUrl;
        this.code = methodCode;
        this.inputs = ['cc_type', 'cc_number', 'expiration', 'expiration_yr', 'cc_cid'];
        this.headers = [];
        this.isValid = true;
        this.paymentRequestSent = false;
        this.orderIncrementId = false;
        this.successUrl = false;
        this.hasError = false;
        this.tmpForm = false;

        this.onLoadIframe = this.loadIframe.bindAsEventListener(this);
        this.onLoadOrderIframe = this.loadOrderIframe.bindAsEventListener(this);
        this.onSubmitAdminOrder = this.submitAdminOrder.bindAsEventListener(this);

        jQuery('#edit_form').on('changePaymentMethod', prepare.bind(this));

        jQuery('#edit_form').trigger(
            'changePaymentMethod',
            [
                jQuery('#edit_form').find(':radio[name="payment[method]"]:checked').val()
            ]
        );
    },

    validate : function() {
        this.isValid = true;
        this.inputs.each(function(elemIndex) {
            if ($(this.code + '_' + elemIndex)) {
                if (!jQuery.validator.validateElement($(this.code + '_' + elemIndex))) {
                    this.isValid = false;
                }
            }
        }, this);

        return this.isValid;
    },

    changeInputOptions : function(param, value) {
        this.inputs.each(function(elemIndex) {
            if ($(this.code + '_' + elemIndex)) {
                $(this.code + '_' + elemIndex).writeAttribute(param, value);
            }
        }, this);
    },

    preparePayment : function() {
        this.changeInputOptions('autocomplete', 'off');
        jQuery('#edit_form')
            .off('submitOrder')
            .on('submitOrder', this.submitAdminOrder.bind(this));
        if ($(this.iframeId)) {
            // Temporary solution will be removed after refactoring Authorize.Net (sales) functionality
            jQuery('.scalable.save:not(disabled)').removeAttr('onclick');
            jQuery(document).off('click.directPost');
            jQuery(document).on(
                'click.directPost',
                '.scalable.save:not(disabled)',
                jQuery.proxy(this.onSubmitAdminOrder, this)
            );
            $('order-' + this.iframeId).observe('load', this.onLoadOrderIframe);
            $(this.iframeId).observe('load', this.onLoadIframe);
        }
    },

    loadIframe : function() {
        if (this.paymentRequestSent) {
            if (!this.orderRequestSent) {
                this.paymentRequestSent = false;
                if (!this.hasError) {
                    this.returnQuote();
                } else {
                    this.changeInputOptions('disabled', false);
                    jQuery('body').trigger('processStop');
                    enableElements('save');
                }
            }
            if (this.tmpForm) {
                document.body.removeChild(this.tmpForm);
            }
        }
    },

    loadOrderIframe : function() {
        if (this.orderRequestSent) {
            $(this.iframeId).hide();
            var data = $('order-' + this.iframeId).contentWindow.document.body.getElementsByTagName('pre')[0].innerHTML;
            this.saveAdminOrderSuccess(data);
            this.orderRequestSent = false;
        }
    },

    showError : function(msg) {
        this.hasError = true;
        if (this.controller == 'onepage') {
            $(this.iframeId).hide();
            this.resetLoadWaiting();
        }
        alert(msg);
    },

    returnQuote : function() {
        var url = this.orderSaveUrl.replace('place', 'returnQuote');
        new Ajax.Request(url, {
            onSuccess : function(transport) {
                try {
                    response = transport.responseText.evalJSON(true);
                } catch (e) {
                    response = {};
                }
                if (response.error_message) {
                    alert(response.error_message);
                }
                $(this.iframeId).show();
                this.changeInputOptions('disabled', false);
                jQuery('body').trigger('processStop');
                enableElements('save');
            }.bind(this)
        });
    },

    setLoadWaiting : function() {
        this.headers.each(function(header) {
            header.removeClassName('allow');
        });
        checkout.setLoadWaiting('review');
    },

    resetLoadWaiting : function() {
        this.headers.each(function(header) {
            header.addClassName('allow');
        });
        checkout.setLoadWaiting(false);
    },

    submitAdminOrder : function() {
        // Temporary solution will be removed after refactoring Authorize.Net (sales) functionality
        var editForm = jQuery('#edit_form');
        if (editForm.valid()) {
            // Temporary solution will be removed after refactoring Authorize.Net (sales) functionality
            paymentMethodEl = editForm.find(':radio[name="payment[method]"]:checked');
            this.hasError = false;
            if (paymentMethodEl.val() == this.code) {
                jQuery('body').trigger('processStart');
                setLoaderPosition();
                this.changeInputOptions('disabled', 'disabled');
                this.paymentRequestSent = true;
                this.orderRequestSent = true;
                // Temporary solutions will be removed after refactoring Authorize.Net (sales) functionality
                editForm.attr('action', this.orderSaveUrl);
                editForm.attr('target',
                        jQuery('#order-' + this.iframeId).attr('name'));
                editForm.append(this.createHiddenElement('controller', this.controller));
                disableElements('save');
                // Temporary solutions will be removed after refactoring Authorize.Net (sales) functionality
                order._realSubmit();
            } else {
                editForm.attr('action', this.nativeAction);
                editForm.attr('target', '_top');
                disableElements('save');
                // Temporary solutions will be removed after refactoring Authorize.Net (sales) functionality
                order._realSubmit();
            }
        }
    },

    recollectQuote : function() {
        var area = [ 'sidebar', 'items', 'shipping_method', 'billing_method', 'totals', 'giftmessage' ];
        area = order.prepareArea(area);
        var url = order.loadBaseUrl + 'block/' + area;
        var info = $('order-items_grid').select('input', 'select', 'textarea');
        var data = {};
        for ( var i = 0; i < info.length; i++) {
            if (!info[i].disabled && (info[i].type != 'checkbox' || info[i].checked)) {
                data[info[i].name] = info[i].getValue();
            }
        }
        data.reset_shipping = true;
        data.update_items = true;
        if ($('coupons:code') && $F('coupons:code')) {
            data['order[coupon][code]'] = $F('coupons:code');
        }
        data.json = true;
        new Ajax.Request(url, {
            parameters : data,
            loaderArea : 'html-body',
            onSuccess : function(transport) {
                jQuery('#edit_form').submit();
            }.bind(this)
        });

    },

    saveAdminOrderSuccess : function(data) {
        try {
            response = data.evalJSON(true);
        } catch (e) {
            response = {};
        }

        if (response.directpost) {
            this.orderIncrementId = response.directpost.fields.x_invoice_num;
            var paymentData = {};
            for ( var key in response.directpost.fields) {
                paymentData[key] = response.directpost.fields[key];
            }
            var preparedData = this.preparePaymentRequest(paymentData);
            this.sendPaymentRequest(preparedData);
        } else {
            if (response.redirect) {
                window.location = response.redirect;
            }
            if (response.error_messages) {
                var msg = response.error_messages;
                if (typeof (msg) == 'object') {
                    msg = msg.join("\n");
                }
                if (msg) {
                    alert(msg);
                }
            }
        }
    },

    preparePaymentRequest : function(data) {
        if ($(this.code + '_cc_cid')) {
            data.x_card_code = $(this.code + '_cc_cid').value;
        }
        var year = $(this.code + '_expiration_yr').value;
        if (year.length > 2) {
            year = year.substring(2);
        }
        var month = parseInt($(this.code + '_expiration').value, 10);
        if (month < 10) {
            month = '0' + month;
        }

        data.x_exp_date = month + '/' + year;
        data.x_card_num = $(this.code + '_cc_number').value;

        return data;
    },

    sendPaymentRequest : function(preparedData) {
        this.recreateIframe();
        this.tmpForm = document.createElement('form');
        this.tmpForm.style.display = 'none';
        this.tmpForm.enctype = 'application/x-www-form-urlencoded';
        this.tmpForm.method = 'POST';
        document.body.appendChild(this.tmpForm);
        this.tmpForm.action = this.cgiUrl;
        this.tmpForm.target = $(this.iframeId).readAttribute('name');
        this.tmpForm.setAttribute('target', $(this.iframeId).readAttribute('name'));

        for ( var param in preparedData) {
            this.tmpForm.appendChild(this.createHiddenElement(param, preparedData[param]));
        }

        this.paymentRequestSent = true;
        this.tmpForm.submit();
    },

    createHiddenElement : function(name, value) {
        var field;
        if (isIE) {
            field = document.createElement('input');
            field.setAttribute('type', 'hidden');
            field.setAttribute('name', name);
            field.setAttribute('value', value);
        } else {
            field = document.createElement('input');
            field.type = 'hidden';
            field.name = name;
            field.value = value;
        }

        return field;
    },

    recreateIframe : function() {
        if ($(this.iframeId)) {
            var nextElement = $(this.iframeId).next();
            var src = $(this.iframeId).readAttribute('src');
            var name = $(this.iframeId).readAttribute('name');
            $(this.iframeId).stopObserving();
            $(this.iframeId).remove();
            var iframe = '<iframe id="' + this.iframeId +
                '" allowtransparency="true" frameborder="0"  name="' + name +
                '" style="display:none;width:100%;background-color:transparent" src="' + src + '" />';
            Element.insert(nextElement, {'before':iframe});
            $(this.iframeId).observe('load', this.onLoadIframe);
        }
    }
};
}));
