from datetime import datetime
from typing import Optional

from pydantic import BaseModel, ConfigDict, Field

from app.models.models import GenderType


EMAIL_PATTERN = r"^[^@\s]+@[^@\s]+\.[^@\s]+$"


class RegisterCodeSendRequest(BaseModel):
    email: str = Field(..., max_length=150, pattern=EMAIL_PATTERN)


class LoginCodeSendRequest(BaseModel):
    email: str = Field(..., max_length=150, pattern=EMAIL_PATTERN)


class RegisterRequest(BaseModel):
    email: str = Field(..., max_length=150, pattern=EMAIL_PATTERN)
    password: str = Field(..., min_length=8, max_length=128)
    verification_code: str = Field(..., pattern=r"^\d{6}$")
    nickname: Optional[str] = Field(default=None, max_length=100)


class LoginRequest(BaseModel):
    email: str = Field(..., max_length=150, pattern=EMAIL_PATTERN)
    password: str = Field(..., min_length=8, max_length=128)


class LoginWithCodeRequest(BaseModel):
    email: str = Field(..., max_length=150, pattern=EMAIL_PATTERN)
    verification_code: str = Field(..., pattern=r"^\d{6}$")


class UserProfileResponse(BaseModel):
    id: int
    email: str
    nickname: Optional[str]
    avatar_url: Optional[str]
    gender: GenderType
    created_at: datetime

    model_config = ConfigDict(from_attributes=True)


class AuthTokenResponse(BaseModel):
    access_token: str
    token_type: str = "bearer"
    expires_in: int
    user: UserProfileResponse


class MessageResponse(BaseModel):
    message: str