package postgres

import (
	"datart/config"
	"fmt"

	"gorm.io/driver/postgres"
	"gorm.io/gorm"
)

var client *gorm.DB

func init() {
	postgresConfig := config.Conf().PostgresConf("default")
	dsn := fmt.Sprintf("host=%s user=%s password=%s dbname=%s port=%d timezone=%s",
		postgresConfig.GetHost(), postgresConfig.GetUser(), postgresConfig.GetPassword(),
		postgresConfig.GetDBName(), postgresConfig.GetPort(), postgresConfig.GetTimeZone())

	db, err := gorm.Open(postgres.Open(dsn), &gorm.Config{SkipDefaultTransaction: true})
	if err != nil {
		panic(err)
	}
	client = db
}

// close postgres default client
func CloseDefault() error {
	db, err := client.DB()
	if err != nil {
		return err
	}
	return db.Close()
}