package pricing

import (
	"fmt"

	"github.com/manterfield/go-mapreader"
)

type MMS43PricingService struct{}

func NewMMS43PricingService() (*MMS43PricingService, error) {
	return &MMS43PricingService{}, nil
}

func (s *MMS43PricingService) Prices(vars map[string]any) (map[string]Price, error) {
	driver_distance, err := mapreader.IntErr(vars, "journey.driver_distance")
	if err != nil {
		return nil, fmt.Errorf("parameter not found : %v", err)
	}
	passenger_distance, err := mapreader.IntErr(vars, "journey.passenger_distance")
	if err != nil {
		return nil, fmt.Errorf("parameter not found : %v", err)
	}

	return map[string]Price{
		"passenger": {
			Amount:   0.32 * float64(passenger_distance),
			Currency: "EUR/2",
		},
		"driver": {
			Amount:   0.32 * float64(driver_distance),
			Currency: "EUR/2",
		},
	}, nil
}