/* global Klarna */
/**
 * This file is part of the Klarna KP module
 *
 * (c) Klarna Bank AB (publ)
 *
 * For the full copyright and license information, please view the NOTICE
 * and LICENSE files that were distributed with this source code.
 */
define(
  [
    'jquery',
    'Magento_Checkout/js/model/quote',
    'Magento_Customer/js/model/customer',
    'Klarna_Kp/js/model/config',
    'Klarna_Kp/js/model/debug',
    'klarnapi'
  ],
  function ($, quote, customer, config, debug) {
    'use strict';
    return {
      buildAddress: function (address, email) {
        var addr = {
          'given_name': '',
          'family_name': '',
          'street_address': '',
          'city': '',
          'postal_code': '',
          'country': '',
          'phone': '',
          'email': email
        };

        if (!address) { // Somehow we got a null passed in
          return addr;
        }
        if (address.prefix) {
          addr['title'] = address.prefix;
        }
        if (address.firstname) {
          addr['given_name'] = address.firstname;
        }
        if (address.lastname) {
          addr['family_name'] = address.lastname;
        }
        if (address.street) {
          if (address.street.length > 0) {
            addr['street_address'] = address.street[0];
          }
          if (address.street.length > 1) {
            addr['street_address2'] = address.street[1];
          }
        }
        if (address.city) {
          addr['city'] = address.city;
        }
        if (address.regionCode) {
          addr['region'] = address.regionCode;
        }
        if (address.postcode) {
          addr['postal_code'] = address.postcode;
        }
        if (address.countryId) {
          addr['country'] = address.countryId;
        }
        if (address.telephone) {
          addr['phone'] = address.telephone;
        }
        debug.log(addr);
        return addr;
      },
      getUpdateData: function () {
        var email = '',
          shippingAddress = quote.shippingAddress(),
          data = {
            'billing_address': {},
            'shipping_address': {}
          };

        if (customer.isLoggedIn()) {
          email = customer.customerData.email;
        } else {
          email = quote.guestEmail;
        }
        if (quote.isVirtual()) {
          shippingAddress = quote.billingAddress();
        }
        data.billing_address = this.buildAddress(quote.billingAddress(), email);
        data.shipping_address = this.buildAddress(shippingAddress, email);
        debug.log(data);
        return data;
      },
      load: function (payment_method, container_id, callback) {
        var data = null;

        debug.log('Loading container ' + container_id);
        if ($('#' + container_id).length) {
          debug.log('Loading method ' + payment_method);
          data = this.getUpdateData();
          Klarna.Payments.load(
            {
              payment_method_category: payment_method,
              container: "#" + container_id
            },
            data,
            function (res) {
              var errors = false;

              debug.log(res);
              if (res.errors) {
                errors = true;
              }
              config.hasErrors(errors);
              if (callback) {
                callback(res);
              }
            }
          );
        }
      },
      init: function () {
        Klarna.Payments.init({
          client_token: config.client_token
        });
      },
      authorize: function (payment_method, data, callback) {
        Klarna.Payments.authorize(
          {
            payment_method_category: payment_method
          },
          data,
          function (res) {
            var errors = false;

            debug.log(res);
            if (true === res.approved) {
              config.authorization_token(res.authorization_token);
            }
            if (res.errors) {
              errors = true;
            }
            config.hasErrors(errors);
            callback(res);
          }
        );
      },
      finalize: function (payment_method, data, callback) {
        Klarna.Payments.finalize(
          {
            payment_method_category: payment_method
          },
          data,
          function (res) {
            var errors = false;

            debug.log(res);
            if (true === res.approved) {
              config.authorization_token(res.authorization_token);
            }
            if (res.errors) {
              errors = true;
            }
            config.hasErrors(errors);
            callback(res);
          }
        );
      }
    };
  }
);