package server

import (
	"context"

	"git.coopgo.io/coopgo-platform/solidarity-transport/servers/grpc/proto/gen"
	"git.coopgo.io/coopgo-platform/solidarity-transport/servers/grpc/transformers"
	"github.com/paulmach/orb/geojson"
	"github.com/rs/zerolog/log"
	"google.golang.org/grpc/codes"
	"google.golang.org/grpc/status"
)

func (s SolidarityTransportServerImpl) GetDriverJourneys(ctx context.Context, req *gen.GetDriverJourneysRequest) (*gen.GetDriverJourneysResponse, error) {
	departureDate := req.DepartureDate.AsTime()
	departure, err := geojson.UnmarshalFeature([]byte(req.Departure.Serialized))
	if err != nil {
		return nil, status.Errorf(codes.Internal, "departure unmarshalling error: %v", err)
	}
	arrival, err := geojson.UnmarshalFeature([]byte(req.Arrival.Serialized))
	if err != nil {
		return nil, status.Errorf(codes.Internal, "arrival unmarhsalling error : %v", err)
	}

	driverJourneys, err := s.Handler.GetDriverJourneys(departure, arrival, departureDate)
	if err != nil {
		log.Error().Err(err).Msg("issue in GetDriverJourneys handler")
		return nil, status.Errorf(codes.Internal, "could not get driver journeys : %v", err)
	}

	results := []*gen.SolidarityTransportDriverJourney{}

	for _, j := range driverJourneys {
		// transformer
		dj, err := transformers.DriverJourneyTypeToProto(j)
		if err != nil {
			log.Error().Err(err).Msg("issue while converting DriverJourney type to protobuf")
			continue
			// return nil, status.Errorf(codes.Internal, "could not get driver journeys : %v", err)
		}
		results = append(results, dj)
	}

	return &gen.GetDriverJourneysResponse{
		DriverJourneys: results,
	}, nil
}

func (s SolidarityTransportServerImpl) GetDriverJourney(ctx context.Context, req *gen.GetDriverJourneyRequest) (*gen.GetDriverJourneyResponse, error) {
	driverid := req.DriverId
	journeyid := req.JourneyId

	journey, err := s.Handler.GetDriverJourney(driverid, journeyid)
	if err != nil {
		return nil, status.Errorf(codes.NotFound, "could not get driver journey : %v", err)
	}

	protojourney, err := transformers.DriverJourneyTypeToProto(journey)
	if err != nil {
		log.Error().Err(err).Msg("transformation error")
		return nil, status.Errorf(codes.NotFound, "transformation error : %v", err)
	}

	return &gen.GetDriverJourneyResponse{
		DriverJourney: protojourney,
	}, nil
}