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


class ProductOut(BaseModel):
	id: int
	name: str
	description: Optional[str] = None
	notes: Optional[str] = None
	price: Optional[float] = None

	class Config:
		from_attributes = True


class CustomerOut(BaseModel):
	id: int
	name: str
	attributes: str
	wcltv: float
	n: int

	class Config:
		from_attributes = True


class CustomerUpdate(BaseModel):
	name: str
	attributes: Optional[str] = None
	wcltv: Optional[float] = None
	n: Optional[int] = None


class ChatTurn(BaseModel):
	sender: str = Field(pattern="^(customer|agent)$")
	text: str


class ConversationOut(BaseModel):
	id: int
	profile_name: str
	history: List[ChatTurn]


class ChatRequest(BaseModel):
	profile_name: str
	user_text: str


class ChatResponse(BaseModel):
	reply: str
	conversation_id: int