from datetime import datetime

from pydantic import BaseModel, ConfigDict


class StudentOut(BaseModel):
    model_config = ConfigDict(from_attributes=True)
    id: int
    name: str
    age: int | None = None
    class_id: int | None = None


class StudentGenderOut(BaseModel):
    model_config = ConfigDict(from_attributes=True)
    class_id: int | None = None
    total: int
    gender_male: int
    gender_female: int


class StudentRecordOut1(BaseModel):
    model_config = ConfigDict(from_attributes=True)
    id: int
    name: str
    score: float


class StudentRecordOut2(BaseModel):
    model_config = ConfigDict(from_attributes=True)
    id: int
    name: str
    class_id: int | None = None
    score: float


class StudentRecordOut3(BaseModel):
    model_config = ConfigDict(from_attributes=True)
    exam_seq: int
    class_name: str
    avg_score: float


class StudentRecordOut4(BaseModel):
    model_config = ConfigDict(from_attributes=True)
    name: str
    class_id: int | None = None
    employment_open_time: datetime | None = None
    company_name: str | None = None
    salary: float | None = None


class StudentRecordOut5(BaseModel):
    model_config = ConfigDict(from_attributes=True)
    stu_id: int
    time_diff: float


class StudentRecordOut6(BaseModel):
    model_config = ConfigDict(from_attributes=True)
    class_id: int | None = None
    time_diff: float