from abc import ABC, abstractmethod
from pathlib import Path

from app.storage.schemas import FileMetadata, StoredFileMetadata


class StorageProvider(ABC):
    @abstractmethod
    def save_file(
        self,
        *,
        namespace: str,
        content: bytes,
        original_filename: str,
        stored_filename: str,
        mime_type: str,
    ) -> StoredFileMetadata:
        raise NotImplementedError

    @abstractmethod
    def open_file(self, storage_key: str) -> Path:
        raise NotImplementedError

    @abstractmethod
    def delete_file(self, storage_key: str) -> None:
        raise NotImplementedError

    @abstractmethod
    def file_exists(self, storage_key: str) -> bool:
        raise NotImplementedError

    @abstractmethod
    def get_file_metadata(self, storage_key: str) -> FileMetadata:
        raise NotImplementedError