from pydantic import BaseModel, Field
from typing import Optional, Dict, Any, List


class ModerationAction(BaseModel):
    decision: str
    reason: str
    confidence: float = Field(ge=0.0, le=1.0)
    labels: List[str] = []


class ContentObservation(BaseModel):
    content_id: str
    content_type: str
    text: Optional[str] = None
    image_description: Optional[str] = None
    detector_score: Optional[float] = None
    metadata: Dict[str, Any] = {}
    step_num: int
    total_steps: int


class StepResult(BaseModel):
    observation: Optional[ContentObservation] = None
    reward: float
    done: bool
    info: Dict[str, Any] = {}


class ResetResult(BaseModel):
    observation: ContentObservation


class EnvState(BaseModel):
    task: str
    step_num: int
    total_steps: int
    cumulative_reward: float
    done: bool
    history: List[Dict[str, Any]] = []


class ResetRequest(BaseModel):
    task: Optional[str] = "text_spam"