import { request } from 'express';
import { defaultPaginationFilters } from '../../lib/util/defaultPaginationFilters.js';
import { hookable } from '../../lib/util/hookable.js';
import { addProcessor } from '../../lib/util/registry.js';
import type { EvershopRequest } from '../../types/request.js';
import loginCustomerWithEmail from './services/customer/loginCustomerWithEmail.js';
import logoutCustomer from './services/customer/logoutCustomer.js';
import { registerDefaultCustomerCollectionFilters } from './services/registerDefaultCustomerCollectionFilters.js';
import { registerDefaultCustomerGroupCollectionFilters } from './services/registerDefaultCustomerGroupCollectionFilters.js';

export default () => {
  addProcessor('cartFields', (fields: any[]) => {
    fields.push({
      key: 'customer_id',
      resolvers: [
        async function resolver() {
          const triggeredField = this.getTriggeredField();
          const requestedValue = this.getRequestedValue();
          return triggeredField === 'customer_id'
            ? requestedValue
            : this.getData('customer_id');
        }
      ]
    });
    fields.push({
      key: 'customer_group_id',
      resolvers: [
        async function resolver() {
          const triggeredField = this.getTriggeredField();
          const requestedValue = this.getRequestedValue();
          return triggeredField === 'customer_group_id'
            ? requestedValue
            : this.getData('customer_group_id');
        }
      ]
    });
    fields.push({
      key: 'customer_email',
      resolvers: [
        async function resolver() {
          const triggeredField = this.getTriggeredField();
          const requestedValue = this.getRequestedValue();
          return triggeredField === 'customer_email'
            ? requestedValue
            : this.getData('customer_email');
        }
      ]
    });
    fields.push({
      key: 'customer_full_name',
      resolvers: [
        async function resolver() {
          const triggeredField = this.getTriggeredField();
          const requestedValue = this.getRequestedValue();
          return triggeredField === 'customer_full_name'
            ? requestedValue
            : this.getData('customer_full_name');
        }
      ]
    });
    return fields;
  });

  /**
   * This function will login the customer with email and password
   * @param {*} email
   * @param {*} password
   * @param {*} callback
   */
  (request as EvershopRequest).loginCustomerWithEmail = async function login(
    email,
    password,
    callback
  ) {
    await hookable(loginCustomerWithEmail.bind(this))(email, password);
    if (this.session) {
      this.session.save(callback);
    }
  };

  (request as EvershopRequest).logoutCustomer = function logout(callback) {
    hookable(logoutCustomer.bind(this))();
    if (this.session) {
      this.session.save(callback);
    }
  };

  (request as EvershopRequest).isCustomerLoggedIn =
    function isCustomerLoggedIn() {
      return !!this.session?.customerID;
    };

  (request as EvershopRequest).getCurrentCustomer =
    function getCurrentCustomer() {
      return this.locals?.customer;
    };

  // Reigtering the default filters for customer collection
  addProcessor(
    'customerCollectionFilters',
    registerDefaultCustomerCollectionFilters,
    1
  );
  addProcessor(
    'customerCollectionFilters',
    (filters: any[]) => [...filters, ...defaultPaginationFilters],
    2
  );

  // Reigtering the default filters for customer group collection
  addProcessor(
    'customerGroupCollectionFilters',
    registerDefaultCustomerGroupCollectionFilters,
    1
  );
  addProcessor(
    'customerGroupCollectionFilters',
    (filters: any[]) => [...filters, ...defaultPaginationFilters],
    2
  );
};