import TravelStopPricingAdapterInterface from './TravelStopPricingAdapterInterface';
import TravelStopPricing from '../entity/TravelStopPricing';

export default class TravelStopPricingAdapter implements TravelStopPricingAdapterInterface {
  adapt(json: any, instance: TravelStopPricing): TravelStopPricing {
    instance.one_leg_price = json.out_only_price;
    instance.two_legs_price = json.return_price;
    
    if (json.one_way_price !== null) {
      instance.one_leg_price = instance.calculatePriceByPrecision(
        json.one_way_price.amount, json.one_way_price.precision
      );
    }
    
    if (json.return_price !== null) {
      instance.two_legs_price = instance.calculatePriceByPrecision(
        json.return_price.amount, json.return_price.precision
      );
    }
    
    return instance;
  }
  
  prepare(instance: TravelStopPricing): object {
    let one_way_price = null;
    
    if (instance.one_leg_price) {
      one_way_price = {
        amount: instance.one_leg_price * 100,
        currency: 'GBP',
        precision: 2
      };
    }
    
    let return_price = null;
    if (instance.two_legs_price) {
      return_price = {
        amount: instance.two_legs_price * 100,
        currency: 'GBP',
        precision: 2
      };
    }
    
    return {
      destination_stop_id: instance.destination_stop.stop.id,
      one_way_price,
      return_price,
    };
  }
}