package fs

import (
	"ZhenTuLocalPassiveAdapter/config"
	"ZhenTuLocalPassiveAdapter/dto"
	"context"
	"sync"
	"time"
)

type Adapter interface {
	GetFileList(ctx context.Context, path string, relDt time.Time) ([]dto.File, error)
}

var (
	adapterOnce     sync.Once
	adapterInstance Adapter
)

func GetAdapter() Adapter {
	adapterOnce.Do(func() {
		if config.Config.Record.Storage.Type == "s3" {
			adapterInstance = &S3Adapter{
				StorageConfig: config.Config.Record.Storage,
			}
			return
		}
		if config.Config.Record.Storage.Type == "alioss" {
			adapterInstance = &AliOSSAdapter{
				StorageConfig: config.Config.Record.Storage,
			}
			return
		}
		adapterInstance = &LocalAdapter{
			config.Config.Record.Storage,
		}
	})
	return adapterInstance
}