import * as _ from 'lodash';
import * as soap from 'soap';
import * as parser from 'xml2js';
import * as path from 'path';
import { logger } from './logger';

export default class PurolatorAPI {
  private environment: string = this.params.environment;
  private debug: boolean = this.params.debug === 'true' ? true : false;
  private key: string = this.params.key;
  private password: string = this.params.password;
  private account: string = this.params.account;
  private isProduction: boolean = this.params.environment === 'production' ? true : false;
  private endpoint: string = this.isProduction ? 'https://webservices.purolator.com/PWS/V1' : 'https://devwebservices.purolator.com/PWS/V1';

  constructor(
    private params: any
  ) { }

  public consolidate(params: any, cb: any) {

    const headers = {
      'ns1:RequestContext': {
        'ns1:Version': '1.5',
        'ns1:Language': 'en',
        'ns1:GroupID': 'xxx',
        'ns1:RequestReference': 'Consolidate shipment'
      }
    };

    this.request(params, 'Consolidate', 'Shipping', headers, (err, res) => {
      return cb(err, res);
    });

  }

  public createReturnShipment(params: any, cb: any) {

    const headers = {
      'ns1:RequestContext': {
        'ns1:Version': '1.3',
        'ns1:Language': 'en',
        'ns1:GroupID': 'xxx',
        'ns1:RequestReference': 'Create return shipment'
      }
    };

    this.request(params, 'CreateReturnsManagementShipment', 'ReturnsManagement', headers, (err, res) => {
      return cb(err, res);
    });

  }


  public createShipment(params: any, cb: any) {

    const headers = {
      'ns1:RequestContext': {
        'ns1:Version': '1.6',
        'ns1:Language': 'en',
        'ns1:GroupID': 'xxx',
        'ns1:RequestReference': 'Create shipment'
      }
    };

    this.request(params, 'CreateShipment', 'Shipping', headers, (err, res) => {
      return cb(err, res);
    });

  }

  public getDeliveryDetails(params: any, cb: any) {

    const headers = {
      'ns1:RequestContext': {
        'ns1:Version': '1.2',
        'ns1:Language': 'en',
        'ns1:GroupID': 'xxx',
        'ns1:RequestReference': 'Get delivery details'
      }
    };

    this.request(params, 'GetDeliveryDetails', 'Tracking', headers, (err, res) => {
      return cb(err, res);
    });

  }

  public getDocuments(params: any, cb: any) {

    const headers = {
      'ns1:RequestContext': {
        'ns1:Version': '1.3',
        'ns1:Language': 'en',
        'ns1:GroupID': 'xxx',
        'ns1:RequestReference': 'Get documents'
      }
    };

    this.request(params, 'GetDocuments', 'ShippingDocuments', headers, (err, res) => {
      return cb(err, res);
    });

  }

  public getQuickEstimate(params: any, cb: any) {

    const headers = {
      'ns1:RequestContext': {
        'ns1:Version': '1.4',
        'ns1:Language': 'en',
        'ns1:GroupID': 'xxx',
        'ns1:RequestReference': 'Get quick estimate'
      }
    };

    this.request(params, 'GetQuickEstimate', 'Estimating', headers, (err, res) => {
      return cb(err, res);
    });

  }

  public getFullEstimate(params: any, cb: any) {

    const headers = {
      'ns1:RequestContext': {
        'ns1:Version': '1.4',
        'ns1:Language': 'en',
        'ns1:GroupID': 'xxx',
        'ns1:RequestReference': 'Get full estimate'
      }
    };

    this.request(params, 'GetFullEstimate', 'Estimating', headers, (err, res) => {
      return cb(err, res);
    });

  }

  public getServicesOptions(params: any, cb: any) {

    const headers = {
      'ns1:RequestContext': {
        'ns1:Version': '1.3',
        'ns1:Language': 'en',
        'ns1:GroupID': 'xxx',
        'ns1:RequestReference': 'Get services options'
      }
    };

    this.request(params, 'GetServicesOptions', 'ServiceAvailability', headers, (err, res) => {
      return cb(err, res);
    });

  }

  public getServiceRules(params: any, cb: any) {

    const headers = {
      'ns1:RequestContext': {
        'ns1:Version': '1.3',
        'ns1:Language': 'en',
        'ns1:GroupID': 'xxx',
        'ns1:RequestReference': 'Get service rule'
      }
    };

    this.request(params, 'GetServiceRules', 'ServiceAvailability', headers, (err, res) => {
      return cb(err, res);
    });

  }

  public getShipmentManifestDocument(params: any, cb: any) {

    const headers = {
      'ns1:RequestContext': {
        'ns1:Version': '1.3',
        'ns1:Language': 'en',
        'ns1:GroupID': 'xxx',
        'ns1:RequestReference': 'Get manifest'
      }
    };

    this.request(params, 'GetShipmentManifestDocument', 'ShippingDocuments', headers, (err, res) => {
      return cb(err, res);
    });

  }

  public schedulePickup(params: any, cb: any) {

    const headers = {
      'ns1:RequestContext': {
        'ns1:Version': '1.2',
        'ns1:Language': 'en',
        'ns1:GroupID': 'xxx',
        'ns1:RequestReference': 'Schedule pickup'
      }
    };

    this.request(params, 'SchedulePickUp', 'PickUp', headers, (err, res) => {
      return cb(err, res);
    });

  }

  public trackPackagesByPin(params: any, cb: any) {

    const headers = {
      'ns1:RequestContext': {
        'ns1:Version': '1.2',
        'ns1:Language': 'en',
        'ns1:GroupID': 'xxx',
        'ns1:RequestReference': 'Track by pin'
      }
    };

    this.request(params, 'TrackPackagesByPin', 'Tracking', headers, (err, res) => {
      return cb(err, res);
    });

  }

  public trackPackagesByRef(params: any, cb: any) {

    const headers = {
      'ns1:RequestContext': {
        'ns1:Version': '1.2',
        'ns1:Language': 'en',
        'ns1:GroupID': 'xxx',
        'ns1:RequestReference': 'Track by ref'
      }
    };

    this.request(params, 'TrackPackagesByReference', 'Tracking', headers, (err, res) => {
      return cb(err, res);
    });

  }

  public validateCityPostalCodeZip(params: any, cb: any) {

    const headers = {
      'ns1:RequestContext': {
        'ns1:Version': '1.3',
        'ns1:Language': 'en',
        'ns1:GroupID': 'xxx',
        'ns1:RequestReference': 'Validate city postal code zip'
      }
    };

    this.request(params, 'ValidateCityPostalCodeZip', 'ServiceAvailability', headers, (err, res) => {
      return cb(err, res);
    });

  }

  public validatePickup(params: any, cb: any) {

    const headers = {
      'ns1:RequestContext': {
        'ns1:Version': '1.2',
        'ns1:Language': 'en',
        'ns1:GroupID': 'xxx',
        'ns1:RequestReference': 'Validate pickup'
      }
    };

    this.request(params, 'ValidatePickUp', 'PickUp', headers, (err, res) => {
      return cb(err, res);
    });

  }

  public validateShipment(params: any, cb: any) {

    const headers = {
      'ns1:RequestContext': {
        'ns1:Version': '1.6',
        'ns1:Language': 'en',
        'ns1:GroupID': 'xxx',
        'ns1:RequestReference': 'Validate Shipment'
      }
    };

    this.request(params, 'ValidateShipment', 'Shipping', headers, (err, res) => {
      return cb(err, res);
    });

  }

  public validateReturnShipment(params: any, cb: any) {

    const headers = {
      'ns1:RequestContext': {
        'ns1:Version': '1.3',
        'ns1:Language': 'en',
        'ns1:GroupID': 'xxx',
        'ns1:RequestReference': 'Validate return shipment'
      }
    };

    this.request(params, 'ValidateReturnsManagementShipment', 'ReturnsManagement', headers, (err, res) => {
      return cb(err, res);
    });

  }

  public voidPickup(params: any, cb: any) {

    const headers = {
      'ns1:RequestContext': {
        'ns1:Version': '1.2',
        'ns1:Language': 'en',
        'ns1:GroupID': 'xxx',
        'ns1:RequestReference': 'Void pickup'
      }
    };

    this.request(params, 'VoidPickUp', 'PickUp', headers, (err, res) => {
      return cb(err, res);
    });

  }

  public voidShipment(params: any, cb: any) {

    const headers = {
      'ns1:RequestContext': {
        'ns1:Version': '1.5',
        'ns1:Language': 'en',
        'ns1:GroupID': 'xxx',
        'ns1:RequestReference': 'Void shipment'
      }
    };

    this.request(params, 'VoidShipment', 'Shipping', headers, (err, res) => {
      return cb(err, res);
    });

  }

  private request(params: any, fn: string, wsdl: string, headers: any, cb) {

    var wsdlOptions = {
      endpoint: `${this.endpoint}/${wsdl}/${wsdl}Service.asmx`
    };

    soap
      .createClient(path.join(__dirname, 'wsdl', `${wsdl}Service.wsdl`), wsdlOptions, (err, client) => {
        if (err) {
          return cb(err, null);
        }

        client.wsdl.definitions.xmlns.ns1 = 'http://purolator.com/pws/datatypes/v1';
        client.wsdl.xmlnsInEnvelope = client.wsdl._xmlnsMap();

        client.addSoapHeader(headers);
        client.setSecurity(new soap.BasicAuthSecurity(this.key, this.password));

        client[fn](params, (err, result) => {

          if (this.debug) {
            parser.parseString(client.lastRequest, { explicitArray: false }, (err, res) => {
              logger.info(`${fn} ok`, res);
            });
          }

          if (err) {
            return this.handleResponseError(err, cb);
          }

          return cb(err, result);
        });

      });
  }

  private handleResponseError(err: any, cb: any) {

    try {
      return cb(err.root.Envelope.Body.Fault, null);
    } catch (e) {
      if (this.debug) {
        logger.error(err);
      }
      return cb(err, null);
    }

  }

}