from __future__ import annotations

from datetime import datetime
from typing import Literal
from uuid import UUID

from cpv3.common.schemas import Schema


StorageBackendEnum = Literal["LOCAL", "S3"]


class FileRead(Schema):
    id: UUID
    project_id: UUID | None
    owner_id: UUID | None

    original_filename: str
    path: str
    storage_backend: StorageBackendEnum

    mime_type: str
    size_bytes: int
    checksum: str | None
    file_format: str | None

    is_uploaded: bool
    is_deleted: bool
    is_active: bool

    created_at: datetime
    updated_at: datetime


class FileCreate(Schema):
    project_id: UUID | None = None
    original_filename: str
    path: str
    storage_backend: StorageBackendEnum = "S3"
    mime_type: str
    size_bytes: int
    checksum: str | None = None
    file_format: str | None = None
    is_uploaded: bool = False


class FileUpdate(Schema):
    original_filename: str | None = None
    is_uploaded: bool | None = None
    is_deleted: bool | None = None


class FileInfoResponse(Schema):
    file_id: UUID
    file_path: str
    file_url: str
    file_size: int | None = None
    filename: str | None = None


class FileParam(Schema):
    file_path: str


class FileUploadForm(Schema):
    folder: str = ""