from datetime import datetime

from pydantic import BaseModel, EmailStr, Field, field_validator


class Token(BaseModel):
    access_token: str
    token_type: str = "bearer"


class LoginRequest(BaseModel):
    email: EmailStr
    password: str = Field(min_length=8, max_length=128)

    @field_validator("email")
    @classmethod
    def normalize_email(cls, value: str) -> str:
        return value.strip().lower()


class RegisterRequest(BaseModel):
    email: EmailStr
    password: str = Field(min_length=8, max_length=128)
    full_name: str | None = Field(default=None, max_length=120)

    @field_validator("email")
    @classmethod
    def normalize_email(cls, value: str) -> str:
        return value.strip().lower()

    @field_validator("full_name")
    @classmethod
    def strip_name(cls, value: str | None) -> str | None:
        if value is None:
            return None
        stripped = value.strip()
        return stripped or None


class UserPublic(BaseModel):
    id: int
    email: EmailStr
    full_name: str | None
    is_active: bool
    created_at: datetime

    model_config = {"from_attributes": True}