from datetime import datetime

from pydantic import BaseModel, ConfigDict, EmailStr, Field


class RegisterIn(BaseModel):
    email: EmailStr
    # Untergrenze nach BSI/NIST-Empfehlung: Laenge statt Zeichenklassen.
    password: str = Field(min_length=12, max_length=256)
    display_name: str | None = Field(default=None, max_length=80)


class LoginIn(BaseModel):
    email: EmailStr
    password: str = Field(max_length=256)


class PasswordResetRequestIn(BaseModel):
    email: EmailStr


class PasswordResetIn(BaseModel):
    token: str = Field(max_length=128)
    password: str = Field(min_length=12, max_length=256)


class PasswordChangeIn(BaseModel):
    current_password: str = Field(max_length=256)
    new_password: str = Field(min_length=12, max_length=256)


class ProfileUpdateIn(BaseModel):
    display_name: str | None = Field(default=None, max_length=80)


class UserOut(BaseModel):
    model_config = ConfigDict(from_attributes=True)

    id: str
    email: EmailStr
    display_name: str | None
    is_admin: bool
    verified: bool
    must_change_password: bool
    created_at: datetime

    @classmethod
    def of(cls, user) -> "UserOut":
        return cls(
            id=user.id,
            email=user.email,
            display_name=user.display_name,
            is_admin=user.is_admin,
            verified=user.verified_at is not None,
            must_change_password=user.must_change_password,
            created_at=user.created_at,
        )


class MessageOut(BaseModel):
    detail: str


class MailCheckOut(BaseModel):
    ok: bool
    detail: str
    host: str
    port: int
    security: str
    envelope_from: str


class MailTestIn(BaseModel):
    to: EmailStr