from datetime import datetime
from typing import Optional

from pydantic import BaseModel, EmailStr, Field


# Shared properties
class UserBase(BaseModel):
    email: Optional[EmailStr] = None
    is_active: Optional[bool] = True
    is_superuser: Optional[bool] = False
    full_name: Optional[str] = None


# Properties to receive on user creation
class UserCreate(BaseModel):
    email: EmailStr
    password: str = Field(..., min_length=8)
    full_name: Optional[str] = None


# Properties to receive on user update
class UserUpdate(UserBase):
    password: Optional[str] = Field(None, min_length=8)


# Properties to return to client
class User(UserBase):
    id: str
    email_verified: bool
    created_at: datetime
    updated_at: Optional[datetime] = None
    last_login: Optional[datetime] = None

    class Config:
        from_attributes = True


# Properties to return to admin users
class UserAdminRead(User):
    pass


# Properties for user login
class UserLogin(BaseModel):
    email: EmailStr
    password: str


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


# Token payload schema
class TokenPayload(BaseModel):
    sub: str
    exp: datetime