from pydantic import BaseModel, Field
from typing import Optional
from datetime import datetime, timezone, timedelta
from .user import UserResponse

class TokenBase(BaseModel):
    access_token: str
    refresh_token: Optional[str] = None
    token_type: str = "bearer"
    expires_in: int

class TokenResponse(TokenBase):
    user: UserResponse

class LoginRequest(BaseModel):
    username: str = Field(..., min_length=1)
    password: str = Field(..., min_length=1)

class EmailVerifyRequest(BaseModel):
    email: str

class ResetPasswordRequest(BaseModel):
    token: str
    new_password: str = Field(..., min_length=8, max_length=100)
    confirm_password: str
    
    class Config:
        schema_extra = {
            "example": {
                "username": "john_doe",
                "email": "user@example.com"
            }
        }

class RefreshTokenRequest(BaseModel):
    refresh_token: str

class OAuth2Request(BaseModel):
    provider: str  # google, github, facebook
    code: str
    redirect_uri: str