from pydantic import BaseModel, Field
from datetime import date, datetime
from typing import Optional, List
from decimal import Decimal


class ScoreCreate(BaseModel):
    student_id: int
    exam_seq: int
    score: Decimal = Field(ge=0, le=100, description="分数0‑100")
    exam_date: Optional[date] = None
    remark: Optional[str] = None


class ScoreUpdate(BaseModel):
    score: Optional[Decimal] = Field(None, ge=0, le=100)
    exam_seq: Optional[int] = None
    exam_date: Optional[date] = None
    remark: Optional[str] = None


class ScoreItem(BaseModel):
    id: int
    student_id: int
    score: Decimal
    exam_seq: int
    exam_date: Optional[date]
    remark: Optional[str]
    created_at: Optional[datetime]
    updated_at: Optional[datetime]
    is_deleted: int


class ScorePageResp(BaseModel):
    total: int
    data: List[ScoreItem]