"""원본 5 SCHEMA 의 Pydantic v2 포팅. LLM-facing 필드는 원본 JSON 키(camelCase) 유지."""
from typing import Literal, Optional
from pydantic import BaseModel, Field


class Angle(BaseModel):
    label: str
    query: str
    rationale: Optional[str] = None


class Scope(BaseModel):
    question: str
    summary: str
    angles: list[Angle] = Field(min_length=3, max_length=6)


class SearchResult(BaseModel):
    url: str
    title: str
    snippet: Optional[str] = None
    relevance: Literal["high", "medium", "low"]


class Search(BaseModel):
    results: list[SearchResult] = Field(max_length=6)


class Claim(BaseModel):
    claim: str
    quote: str
    importance: Literal["central", "supporting", "tangential"]


class Extract(BaseModel):
    sourceQuality: Literal["primary", "secondary", "blog", "forum", "unreliable"]
    publishDate: Optional[str] = None
    claims: list[Claim] = Field(max_length=5)


class Verdict(BaseModel):
    refuted: bool
    evidence: str
    confidence: Literal["high", "medium", "low"]
    counterSource: Optional[str] = None


class Finding(BaseModel):
    claim: str
    confidence: Literal["high", "medium", "low"]
    sources: list[str]
    evidence: str
    vote: Optional[str] = None


class Report(BaseModel):
    summary: str
    findings: list[Finding]
    caveats: str
    openQuestions: Optional[list[str]] = None