from datetime import datetime
from decimal import Decimal
from pydantic import BaseModel, Field
from app.schemas.currency import CurrencyOut


class AccountTypeOut(BaseModel):
    id: int
    name: str
    icon: str | None = None
    description: str | None = None

    model_config = {"from_attributes": True}


class AccountCreate(BaseModel):
    name: str = Field(..., max_length=200)
    account_type_id: int
    currency_id: int
    initial_balance: Decimal = Decimal("0.00")
    credit_limit: Decimal | None = None
    description: str | None = None
    icon: str | None = None
    color: str | None = Field(None, pattern=r"^#[0-9A-Fa-f]{6}$")


class AccountUpdate(BaseModel):
    name: str | None = Field(None, max_length=200)
    is_active: bool | None = None
    credit_limit: Decimal | None = None
    description: str | None = None
    icon: str | None = None
    color: str | None = Field(None, pattern=r"^#[0-9A-Fa-f]{6}$")


class AccountOut(BaseModel):
    id: int
    user_id: int
    name: str
    account_type_id: int
    account_type: AccountTypeOut
    currency_id: int
    currency: CurrencyOut
    balance: Decimal
    initial_balance: Decimal
    is_active: bool
    credit_limit: Decimal | None = None
    description: str | None = None
    icon: str | None = None
    color: str | None = None
    created_at: datetime

    model_config = {"from_attributes": True}