package main

import (
	"fmt"
	"github.com/ilyakaznacheev/cleanenv"
	_ "github.com/jackc/pgx/v5/stdlib"
	"github.com/jmoiron/sqlx"
	"github.com/valkey-io/valkey-go"
	"go.uber.org/zap"
	"ms-auth/internal/lib"
	"ms-auth/internal/services"
	"ms-auth/internal/storage"
	"ms-auth/internal/transport"
	"net"
	"os"
	"os/signal"
	"syscall"
)

func main() {
	var cfg lib.Config
	err := cleanenv.ReadConfig(".env", &cfg)
	if err != nil {
		panic(fmt.Sprintf("error reading config: %s", err.Error()))
	}

	var logger *zap.Logger
	if cfg.Env == "prod" {
		logger = zap.Must(zap.NewProduction())
	} else if cfg.Env == "dev" {
		logger = zap.Must(zap.NewDevelopment())
	} else {
		panic(fmt.Sprintf(`error reading config: env expected "prod" or "dev", got "%s"`, cfg.Env))
	}

	db, err := sqlx.Connect("pgx", cfg.PostgresDSN)
	if err != nil {
		panic(err)
	}
	defer db.Close()

	userStorage := storage.NewUserStorage(db, logger)

	opts, err := valkey.ParseURL(cfg.RedisDSN)
	if err != nil {
		panic(err)
	}

	vk, err := valkey.NewClient(opts)
	if err != nil {
		panic(err)
	}
	defer vk.Close()

	sessionStorage := storage.NewSessionStorage(vk, cfg, logger)

	sessionService := services.NewSessionService(sessionStorage, userStorage, cfg)
	userService := services.NewUserService(userStorage, sessionStorage, cfg)

	ln, err := net.Listen("tcp", cfg.Address)
	if err != nil {
		panic(err)
	}

	server := transport.NewAuthServer(sessionService, userService, logger, ln)

	go func() {
		if err = server.GRPCServer.Serve(ln); err != nil {
			panic(err)
		}
	}()

	stop := make(chan os.Signal, 1)
	signal.Notify(stop, syscall.SIGTERM, syscall.SIGINT)

	<-stop
}