package eu.ztsh.wymiana.util;

import eu.ztsh.wymiana.data.entity.CurrencyEntity;
import eu.ztsh.wymiana.model.Currency;
import eu.ztsh.wymiana.model.Symbol;

import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

public class CurrencyMapper {

    public static Currency entityToPojo(CurrencyEntity entity) {
        return new Currency(entity.getSymbol(), entity.getAmount());
    }

    public static CurrencyEntity pojoToEntity(Currency pojo, String pesel) {
        return new CurrencyEntity(pesel, pojo.symbol(), pojo.amount());
    }

    public static Map<Symbol, Currency> entitiesToPojoMap(List<CurrencyEntity> values) {
        return values.stream().map(CurrencyMapper::entityToPojo)
            .collect(Collectors.toMap(Currency::symbol, pojo -> pojo));
    }

    public static List<CurrencyEntity> pojoMapToEntities(Map<Symbol, Currency> currencies, String pesel) {
        return currencies.values().stream().map(entry -> pojoToEntity(entry, pesel)).toList();
    }

    private CurrencyMapper() {
    }

}