"""Knowledge base schemas."""
from pydantic import BaseModel, Field
from typing import Optional, List
from datetime import datetime


class KnowledgeCreate(BaseModel):
    title: str = Field(..., min_length=1, max_length=500)
    content: str = ""
    doc_type: str = "text"
    source: str = ""
    tags: str = ""
    project_id: Optional[int] = None


class KnowledgeResponse(BaseModel):
    id: int
    project_id: Optional[int] = None
    title: str
    content: str
    doc_type: str
    source: str
    tags: str
    tenant_id: int
    created_at: datetime

    model_config = {"from_attributes": True}


class KnowledgeSearchResult(BaseModel):
    doc_id: int
    title: str
    snippet: str
    score: float