"""Pydantic schemas for transaction-related API operations."""
from pydantic import BaseModel, Field
from datetime import date, datetime
from typing import Optional
from decimal import Decimal


class TransactionBase(BaseModel):
    """Base schema for transaction data."""
    run_date: date
    action: str
    symbol: Optional[str] = None
    description: Optional[str] = None
    transaction_type: Optional[str] = None
    exchange_quantity: Optional[Decimal] = None
    exchange_currency: Optional[str] = None
    currency: Optional[str] = None
    price: Optional[Decimal] = None
    quantity: Optional[Decimal] = None
    exchange_rate: Optional[Decimal] = None
    commission: Optional[Decimal] = None
    fees: Optional[Decimal] = None
    accrued_interest: Optional[Decimal] = None
    amount: Optional[Decimal] = None
    cash_balance: Optional[Decimal] = None
    settlement_date: Optional[date] = None


class TransactionCreate(TransactionBase):
    """Schema for creating a new transaction."""
    account_id: int
    unique_hash: str


class TransactionResponse(TransactionBase):
    """Schema for transaction API responses."""
    id: int
    account_id: int
    unique_hash: str
    created_at: datetime
    updated_at: datetime

    class Config:
        from_attributes = True