package dbdialer

import (
	"context"

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

// Dialer open database
func Dialer(ctx context.Context, driver string, dsn string, cbs ...Option) (db *gorm.DB, err error) {
	opts := newOptions(cbs...)

	if opts.cfg == nil {
		opts.cfg = &gorm.Config{}
	}
	opts.cfg.Logger = newLogger(opts.log)
	switch driver {
	case mysql.DefaultDriverName:
		db, err = gorm.Open(mysql.Open(dsn), opts.cfg)
	case sqlite.DriverName:
		db, err = gorm.Open(sqlite.Open(dsn), opts.cfg)
	case "postgres":
		db, err = gorm.Open(postgres.Open(dsn), opts.cfg)
	default:
		err = gorm.ErrNotImplemented
	}
	return
}