package server

import (
	"fmt"
	"net"

	"git.coopgo.io/coopgo-platform/solidarity-transport/handler"
	"git.coopgo.io/coopgo-platform/solidarity-transport/servers/grpc/proto/gen"
	"github.com/rs/zerolog/log"
	"github.com/spf13/viper"
	"google.golang.org/grpc"
	"google.golang.org/grpc/reflection"
)

type SolidarityTransportServerImpl struct {
	Handler *handler.Handler

	gen.UnimplementedSolidarityTransportServer
}

func NewSolidarityTransportServer(handler *handler.Handler) *SolidarityTransportServerImpl {
	return &SolidarityTransportServerImpl{
		Handler: handler,
	}
}

func Run(done chan error, cfg *viper.Viper, handler *handler.Handler) {
	var (
		dev_env = cfg.GetBool("dev_env")
		address = ":" + cfg.GetString("services.grpc.port")
	)

	server := grpc.NewServer()

	gen.RegisterSolidarityTransportServer(server, NewSolidarityTransportServer(handler))
	l, err := net.Listen("tcp", address)
	if err != nil {
		log.Fatal().Err(err).Msg("could not register solidarity transport grpc server")
		return
	}

	if dev_env {
		reflection.Register(server)
	}

	if err := server.Serve(l); err != nil {
		fmt.Println("gRPC service ended")
		done <- err
	}
}