from pydantic import BaseModel, ConfigDict
from enum import Enum
from typing import Optional

class ActionEnum(str, Enum):
    cut_expenses = "cut_expenses"
    stock_essentials = "stock_essentials"
    invest_gold = "invest_gold"
    hold_cash = "hold_cash"
    convert_currency = "convert_currency"
    take_loan = "take_loan"
    pay_debt = "pay_debt"
    reduce_luxury = "reduce_luxury"
    build_emergency_fund = "build_emergency_fund"

class EventEnum(str, Enum):
    none = "none"
    war_outbreak = "war_outbreak"
    oil_supply_shock = "oil_supply_shock"
    currency_crash = "currency_crash"
    food_shortage = "food_shortage"
    job_loss = "job_loss"
    import_ban = "import_ban"

class Action(BaseModel):
    action: ActionEnum

class Observation(BaseModel):
    model_config = ConfigDict(extra="forbid")
    income: float
    expenses: float
    savings: float
    debt: float
    inflation: float
    currency_value: float
    food_price_index: float
    fuel_price: float
    current_event: str
    month: int
    bankrupt: bool

class Reward(BaseModel):
    survival_score: float
    savings_stability: float
    debt_reduction: float
    smart_decision_bonus: float
    bad_decision_penalty: float
    bankruptcy_penalty: float
    total: float

class StepResponse(BaseModel):
    observation: Observation
    reward: float
    done: bool
    info: dict