package storage

import (
	"context"
	"io"
)

// Storage interface for cloud storage operations
type Storage interface {
	// Upload uploads data to the specified key
	Upload(ctx context.Context, key string, data io.Reader, size int64) error

	// Download downloads data from the specified key
	Download(ctx context.Context, key string) (io.ReadCloser, error)

	// Delete deletes the specified key
	Delete(ctx context.Context, key string) error

	// Exists checks if the key exists
	Exists(ctx context.Context, key string) (bool, error)

	// List lists all keys with the given prefix
	List(ctx context.Context, prefix string) ([]string, error)

	// ListProjects returns all project directories
	ListProjects(ctx context.Context) ([]string, error)

	// TestConnection tests the connection to storage
	TestConnection(ctx context.Context) error
}