package pricing

import (
	"slices"

	"github.com/rs/zerolog/log"
)

const (
	PFM63_CC_CHAVAILLON_COMBAILLES_VOLCANS = "200071215"
	PFM63_CC_DOMES_SANCY_ARTENSE           = "200069169"
	PFM63_CC_AMBERT_LIVRADOIS_FOREZ        = "200070761"
	PFM63_COM_CLERMONT                     = "63113"
	PFM63_COM_USSEL                        = "19275"
	PFM63_COM_AUBUSSON                     = "23008"
	PFM63_COM_RIOM                         = "63300"
)

type PFM63PricingService struct{}

func NewPFM63PricingService() (*PFM63PricingService, error) {
	return &PFM63PricingService{}, nil
}

func (s *PFM63PricingService) Prices(params PricingParams) (map[string]Price, error) {
	log.Debug().Any("params", params).Msg("get price")
	free_trips := 0
	fixedCityPrices := []string{}

	switch params.Beneficiary.Address.IntercommunalityCode {
	case PFM63_CC_CHAVAILLON_COMBAILLES_VOLCANS:
		fixedCityPrices = []string{PFM63_COM_CLERMONT, PFM63_COM_AUBUSSON, PFM63_COM_RIOM, PFM63_COM_USSEL}
	case PFM63_CC_DOMES_SANCY_ARTENSE:
		fixedCityPrices = []string{PFM63_COM_CLERMONT, PFM63_COM_USSEL}
	case PFM63_CC_AMBERT_LIVRADOIS_FOREZ:
		free_trips = 1
	}

	passenger_distance := params.SharedMobility.PassengerDistance

	pricing := 0.0

	if params.Beneficiary.History < free_trips {
		pricing = 0
	} else if params.Beneficiary.Priority && params.Beneficiary.History <= 5 {
		pricing = 0
	} else if slices.Contains(fixedCityPrices, params.SharedMobility.Destination.CityCode) {
		if params.SharedMobility.OutwardOnly {
			pricing = 5
		} else {
			pricing = 10
		}
	} else if passenger_distance < 15 {
		pricing = 2
	} else if passenger_distance < 30 {
		pricing = 4
	} else if passenger_distance < 45 {
		pricing = 6
	} else if passenger_distance < 60 {
		pricing = 7
	} else if passenger_distance < 75 {
		pricing = 9
	} else if passenger_distance < 90 {
		pricing = 10
	} else if passenger_distance < 105 {
		pricing = 12
	} else if passenger_distance < 120 {
		pricing = 15
	} else if passenger_distance < 140 {
		pricing = 17
	} else {
		pricing = 17
		log.Error().Msg("no pricing case found")
	}

	kmCompensation := 0.22
	if params.MobilityType == "carpool" {
		kmCompensation = 0.09
	}

	return map[string]Price{
		"passenger": {
			Amount:   pricing,
			Currency: "EUR/2",
		},
		"driver": {
			Amount:   kmCompensation * float64(params.SharedMobility.DriverDistance),
			Currency: "EUR/2",
		},
	}, nil
}