from pydantic import BaseModel, Field
from datetime import date
from typing import Optional


class ScoreRequest(BaseModel):
    student_id: str = Field(...,min_length=1, max_length=20,description="学号")
    course_id: str = Field(..., min_length=1, max_length=20,description="课程编号")
    teacher_id: str = Field(..., min_length=1, max_length=20,description="教师编号")
    exam_order: int = Field(1,ge=1, description="考核序次(第几次考核）")
    exam_type: int = Field(...,ge=1, le=4,description="考试类型：1=期中，2=期末，3=月考，4=模拟")
    score: Optional[float] = Field(None,ge=0, le=100,description="分数 0~100，缺考填 null")
    exam_date: date = Field(..., description="考试日期（YYYY-MM-DD）")
    remark: Optional[str] = Field(None, description="备注，例如：缺考、缓考")


class ScoreUpdateRequest(BaseModel):
    score: Optional[float] = Field(
        None,
        ge=0, le=100,
        description="新分数 0~100"
    )
    remark: Optional[str] = Field(None, description="新备注")

class ScoreResponse(BaseModel):
    code: int = 200
    detail: str = 'OK'
    totals: int = 0
    data: str | dict | tuple | list