import uuid
from datetime import datetime

from pydantic import BaseModel, Field


class DocumentResponse(BaseModel):
    id: uuid.UUID
    user_id: uuid.UUID
    filename: str
    original_filename: str
    mime_type: str
    file_size: int
    doc_type: str
    processing_status: str
    extracted_text: str | None = None
    metadata: dict | None = Field(None, alias="metadata_")
    created_at: datetime

    model_config = {"from_attributes": True, "populate_by_name": True}


class DocumentListResponse(BaseModel):
    documents: list[DocumentResponse]


class UpdateDocumentRequest(BaseModel):
    doc_type: str | None = None


class DocumentSearchRequest(BaseModel):
    query: str = Field(min_length=1, max_length=500)