from pydantic import BaseModel, Field, EmailStr
from typing import Optional
from datetime import datetime
from uuid import UUID

class ContactBase(BaseModel):
    name: str = Field(..., min_length=1, max_length=255, description="Contact name")
    email: EmailStr = Field(..., description="Contact email address", regex=r"^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$") 
    phone_number: Optional[str] = Field(None, description="Contact phone number")
    message: str = Field(..., min_length=1, description="Contact message")
    country: Optional[str] = Field(None, description="Contact country")

class ContactCreate(ContactBase):
    pass

class ContactUpdate(BaseModel):
    name: Optional[str] = Field(None, min_length=1, max_length=255, description="Contact name")
    email: Optional[EmailStr] = Field(None, description="Contact email address", regex=r"^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$")
    phone_number: Optional[str] = Field(None, description="Contact phone number")
    message: Optional[str] = Field(None, min_length=1, description="Contact message")
    country: Optional[str] = Field(None, description="Contact country")

class ContactSchema(ContactBase):
    id: UUID
    created_at: datetime
    updated_at: datetime

    class Config:
        orm_mode = True
        schema_extra = {
            "example": {
                "id": "f47ac10b-58cc-4372-a567-0e02b2c3d479",
                "name": "John Doe",
                "email": "john.doe@example.com",
                "phone_number": "+1234567890",
                "message": "Hello, I would like to get in touch.",
                "country": "United States",
                "created_at": "2023-01-01T12:00:00",
                "updated_at": "2023-01-01T12:00:00"
            }
        }