package sqlite

import (
	"fmt"
	"gorm.io/driver/sqlite"
	"gorm.io/gorm"
	"packet-flow/pkg/db"
	"packet-flow/pkg/log"
)

const (
	DBType = "sqlite"
	// DSN as default dsn
	DSN = ":memory:"
)

func Open(dsn string, debug bool) (*db.Client, error) {
	// 全局模式
	if len(dsn) == 0 {
		dsn = DSN
	}

	opts := &gorm.Config{
		PrepareStmt: true,
		Logger:      log.GormZapLogger(debug),
	}

	dbc, err := gorm.Open(sqlite.Open(dsn), opts)

	if err != nil {
		err = fmt.Errorf(db.ErrOpenFormat, DBType, err)
	}

	return &db.Client{
		Type: DBType,
		DB:   dbc,
	}, err
}