from pydantic import BaseModel, EmailStr, Field
from typing import Optional, List
from datetime import datetime

class UserBase(BaseModel):
    username: str = Field(..., min_length=3, max_length=50)
    first_name: str = Field(..., min_length=1, max_length=50)
    last_name: str = Field(..., min_length=1, max_length=50)
    email: EmailStr
    age: Optional[int] = Field(None, ge=0, le=120)
    preferences: Optional[List[str]] = None
    is_active: bool = True

class UserCreate(UserBase):
    password: str = Field(..., min_length=8)

class UserUpdate(BaseModel):
    username: Optional[str] = Field(None, min_length=3, max_length=50)
    first_name: Optional[str] = Field(None, min_length=1, max_length=50)
    last_name: Optional[str] = Field(None, min_length=1, max_length=50)
    email: Optional[EmailStr] = None
    age: Optional[int] = Field(None, ge=0, le=120)
    preferences: Optional[List[str]] = None
    password: Optional[str] = Field(None, min_length=8)

class User(UserBase):
    id: int
    is_active: bool
    is_admin: bool
    created_at: datetime
    updated_at: datetime

    class Config:
        orm_mode = True

class UserEmbeddingsBase(BaseModel):
    embeddings: List[float]

class UserEmbeddingsCreate(UserEmbeddingsBase):
    pass

class UserEmbeddings(UserEmbeddingsBase):
    id: int
    user_id: int

    class Config:
        orm_mode = True