from datetime import datetime

from pydantic import AwareDatetime, Field, HttpUrl

from app.schemas.catalog import Body, Category, Input, Patch, PositiveId, Read, Status, Title


class KnowledgeCreate(Input):
    title: Title
    category: Category = "未分类"
    content: Body
    source_url: HttpUrl | None = Field(default=None, max_length=1000)
    source_id: PositiveId | None = None
    document_id: PositiveId | None = None
    collected_at: AwareDatetime | None = None


class KnowledgeUpdate(Patch):
    title: Title | None = None
    category: Category | None = None
    content: Body | None = None
    source_url: HttpUrl | None = Field(default=None, max_length=1000)
    source_id: PositiveId | None = None
    document_id: PositiveId | None = None
    collected_at: AwareDatetime | None = None


class KnowledgeReview(Input):
    expected_version: PositiveId
    verification_status: Status
    reviewer: str = Field(min_length=1, max_length=100)
    verification_notes: str = Field(min_length=1, max_length=10_000)


class KnowledgeRead(Read):
    title: str
    category: str
    content: str
    source_url: str | None
    verification_status: Status
    source_id: int | None
    document_id: int | None
    collected_at: datetime | None
    reviewer: str | None
    reviewed_at: datetime | None
    verification_notes: str | None