main.go

package main

import (
	"fmt"
	"os"
	"os/signal"
	"syscall"
	"time"

	"github.com/Andoryuuta/Erupe/config"
	"github.com/Andoryuuta/Erupe/server/channelserver"
	"github.com/Andoryuuta/Erupe/server/entranceserver"
	"github.com/Andoryuuta/Erupe/server/launcherserver"
	"github.com/Andoryuuta/Erupe/server/signserver"
	"github.com/jmoiron/sqlx"
	_ "github.com/lib/pq"
	"go.uber.org/zap"
)

// Temporary DB auto clean on startup for quick development & testing.
func cleanDB(db *sqlx.DB) {
	_ = db.MustExec("DELETE FROM guild_characters")
	_ = db.MustExec("DELETE FROM guilds")
	_ = db.MustExec("DELETE FROM characters")
	_ = db.MustExec("DELETE FROM sign_sessions")
	_ = db.MustExec("DELETE FROM users")
}

func main() {
	zapLogger, _ := zap.NewDevelopment()
	defer zapLogger.Sync()
	logger := zapLogger.Named("main")

	logger.Info("Starting Erupe")

	// Load the configuration.
	erupeConfig, err := config.LoadConfig()
	if err != nil {
		logger.Fatal("Failed to load config", zap.Error(err))
	}

	// Create the postgres DB pool.
	connectString := fmt.Sprintf(
		"host=%s port=%d user=%s password=%s dbname= %s sslmode=disable",
		erupeConfig.Database.Host,
		erupeConfig.Database.Port,
		erupeConfig.Database.User,
		erupeConfig.Database.Password,
		erupeConfig.Database.Database,
	)

	db, err := sqlx.Open("postgres", connectString)
	if err != nil {
		logger.Fatal("Failed to open sql database", zap.Error(err))
	}

	// Test the DB connection.
	err = db.Ping()
	if err != nil {
		logger.Fatal("Failed to ping database", zap.Error(err))
	}
	logger.Info("Connected to database")

	// Clean the DB if the option is on.
	if erupeConfig.DevMode && erupeConfig.DevModeOptions.CleanDB {
		logger.Info("Cleaning DB")
		cleanDB(db)
		logger.Info("Done cleaning DB")
	}

	// Now start our server(s).

	// Launcher HTTP server.
	launcherServer := launcherserver.NewServer(
		&launcherserver.Config{
			Logger:                   logger.Named("launcher"),
			ErupeConfig:              erupeConfig,
			DB:                       db,
			UseOriginalLauncherFiles: erupeConfig.Launcher.UseOriginalLauncherFiles,
		})
	err = launcherServer.Start()
	if err != nil {
		logger.Fatal("Failed to start launcher server", zap.Error(err))
	}
	logger.Info("Started launcher server.")

	// Entrance server.
	entranceServer := entranceserver.NewServer(
		&entranceserver.Config{
			Logger:      logger.Named("entrance"),
			ErupeConfig: erupeConfig,
			DB:          db,
		})
	err = entranceServer.Start()
	if err != nil {
		logger.Fatal("Failed to start entrance server", zap.Error(err))
	}
	logger.Info("Started entrance server.")

	// Sign server.
	signServer := signserver.NewServer(
		&signserver.Config{
			Logger:      logger.Named("sign"),
			ErupeConfig: erupeConfig,
			DB:          db,
		})
	err = signServer.Start()
	if err != nil {
		logger.Fatal("Failed to start sign server", zap.Error(err))
	}
	logger.Info("Started sign server.")

	// Channel Server
	channelServer := channelserver.NewServer(
		&channelserver.Config{
			Logger:      logger.Named("channel"),
			ErupeConfig: erupeConfig,
			DB:          db,
		})

	err = channelServer.Start()
	if err != nil {
		logger.Fatal("Failed to start channel server", zap.Error(err))
	}
	logger.Info("Started channel server.")

	// Wait for exit or interrupt with ctrl+C.
	c := make(chan os.Signal, 1)
	signal.Notify(c, os.Interrupt, syscall.SIGTERM)
	<-c

	logger.Info("Trying to shutdown gracefully.")
	channelServer.Shutdown()
	signServer.Shutdown()
	entranceServer.Shutdown()
	launcherServer.Shutdown()

	time.Sleep(1 * time.Second)
}