import re
from datetime import date
from typing import Optional

from pydantic import BaseModel, Field, field_validator


class AiUserCreate(BaseModel):
    id: Optional[str] = None
    name: str = Field(min_length=1, max_length=128)
    email: str = Field(..., max_length=256)
    dob: Optional[date] = None
    gender: Optional[str] = Field(default=None, max_length=10)

    @field_validator("email")
    def validate_email(cls, v):
        if not re.match(r"^[^@\s]+@[^@\s]+\.[^@\s]+$", v):
            raise ValueError("invalid email")
        return v


class AiUserUpdate(BaseModel):
    name: Optional[str] = Field(default=None, min_length=1, max_length=128)
    email: Optional[str] = Field(default=None, max_length=256)
    dob: Optional[date] = None
    gender: Optional[str] = Field(default=None, max_length=10)

    @field_validator("email")
    def validate_email(cls, v):
        if not re.match(r"^[^@\s]+@[^@\s]+\.[^@\s]+$", v):
            raise ValueError("invalid email")
        return v


class AiUserFilter(BaseModel):
    q: Optional[str] = None
    name: Optional[str] = None
    email: Optional[str] = None
    gender: Optional[str] = None

    dob_from: Optional[date] = None
    dob_to: Optional[date] = None

    created_from: Optional[str] = None
    created_to: Optional[str] = None

    page: int = Field(default=0, ge=0)
    size: int = Field(default=20, ge=1, le=200)
    sortby: str = "modified"
    asc: bool = False