from pydantic import BaseModel, Field, conint
from typing import List, Optional, Literal, Union


class Criteria(BaseModel):
    name: str
    description: str
    min_score: conint(ge=0)
    max_score: conint(ge=0)


class DirectAssessment(BaseModel):
    type: Literal["direct_assessment"]
    criteria: List[Criteria]
    prompt: str


class PairwiseComparison(BaseModel):
    type: Literal["pairwise_comparison"]
    granularity: Literal["coarse", "fine", "super fine"]
    ties_allowed: bool
    position_swapping: bool
    reference_model: str
    prompt: str


class JudgingConfig(BaseModel):
    assessment: Union[DirectAssessment, PairwiseComparison]