/**
 * Maersk Request Mapper
 *
 * Maps internal domain format to Maersk API format
 */

import { CarrierRateSearchInput } from '../../../domain/ports/out/carrier-connector.port';
import { MaerskRateSearchRequest } from './maersk.types';

export class MaerskRequestMapper {
  /**
   * Map domain rate search input to Maersk API request
   */
  static toMaerskRateSearchRequest(input: CarrierRateSearchInput): MaerskRateSearchRequest {
    const { size, type } = this.parseContainerType(input.containerType);

    return {
      originPortCode: input.origin,
      destinationPortCode: input.destination,
      containerSize: size,
      containerType: type,
      cargoMode: input.mode,
      estimatedDepartureDate: input.departureDate.toISOString(),
      numberOfContainers: input.quantity || 1,
      cargoWeight: input.weight,
      cargoVolume: input.volume,
      isDangerousGoods: input.isHazmat || false,
      imoClass: input.imoClass,
    };
  }

  /**
   * Parse container type (e.g., '40HC' -> { size: '40', type: 'DRY' })
   */
  private static parseContainerType(containerType: string): { size: string; type: string } {
    // Extract size (first 2 digits)
    const sizeMatch = containerType.match(/^(\d{2})/);
    const size = sizeMatch ? sizeMatch[1] : '40';

    // Determine type
    let type = 'DRY';
    if (containerType.includes('REEFER')) {
      type = 'REEFER';
    } else if (containerType.includes('OT')) {
      type = 'OPEN_TOP';
    } else if (containerType.includes('FR')) {
      type = 'FLAT_RACK';
    } else if (containerType.includes('TANK')) {
      type = 'TANK';
    }

    return { size, type };
  }
}