package database

import (
	"gorm.io/driver/postgres"
	"gorm.io/gorm"
	"log"
	"milelogistic-server/core/internal/config"
)

var instance *gorm.DB = nil

func New() *gorm.DB {
	if instance != nil {
		return instance
	}
	cfg := config.New()
	db, err := gorm.Open(postgres.Open(cfg.PostgresDsn), &gorm.Config{})
	if err != nil {
		log.Fatalf("Cannot connect to postgres with DSN: %s", cfg.PostgresDsn)
	}
	instance = db
	return instance
}