package file_manager

import (
	"context"
	"io"
	"time"
)

// FileInfo 文件信息
type FileInfo struct {
	Filename   string    `json:"filename"`
	Size       int64     `json:"size"`
	SHA256     string    `json:"sha256,omitempty"`
	Path       string    `json:"path"`
	CreateTime time.Time `json:"create_time"`
	Complete   bool      `json:"complete"`
}

// CreateResult 创建文件结果
type CreateResult struct {
	Code   string `json:"code"`
	SHA256 string `json:"sha256,omitempty"`
}

// FileManager 文件管理接口
type FileManager interface {
	Create(ctx context.Context, filename string, size int64, sha256 string) (*CreateResult, error)
	Upload(ctx context.Context, code string, start int64, end int64, reader io.Reader) (total int64, size int64, err error)
	Get(ctx context.Context, code string) ([]byte, error)
	Close(code string) error
	GetInfo(ctx context.Context, code string) (*FileInfo, error)
	Delete(ctx context.Context, code string) error
	CloseManager()
}