const BudgetReducer = (state, action) => {
    if (action.type === 'budget/populate') {
        return {
            ...state,
            budgetPeriods: action.data
        };
    }
    if (action.type === 'budget/period/bills/update') {
        return {
            ...state,
            budgetPeriods: state.budgetPeriods.map(bp => ({...bp,
                bills: bp.bills.map(b => ({...b,
                    paid: (bp.id === action.data.periodId && b.id === action.data.billId) ? !b.paid : b.paid
                }))
            }))
        };
    }
    return {...state };
};

export default BudgetReducer;