from typing import Optional
from datetime import datetime
from pydantic import BaseModel
import uuid
from enum import Enum

# Models for /token endpoint
class Token(BaseModel):
    access_token: str
    token_type: str

class IntegrationTokenResponse(BaseModel):
    msg: str
    company_name: str
    company_key: str

# Models for /sale endpoint
class SaleCreateRequest(BaseModel):
    ref: str
    sale_id: str
    cost: float

class SaleCreateResponse(BaseModel):
    msg: str
    sale_id: str
    crediting: float

class TransactionStatus(str, Enum):
    NEW = "new"
    PROCESS = "process"
    WAITING = "waiting"
    DONE = "done"
    CANCELED = "canceled"
    ERROR = "error"