package br.ufc.mandacaru.aula.dao;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import br.ufc.mandacaru.aula.model.Product;

public class ProductMemoryDAO implements ProductDAO {

    private Map<Integer, Product> products = new HashMap<Integer, Product>();
    int i = 0;

    @Override
    public void save(Product entity) {
        if(entity.getId() == 0) {
            i++;
            entity.setId(i);
        }

        products.put(entity.getId(), entity);
    }

    @Override
    public void delete(int id) {
        products.remove(id);
    }

    @Override
    public Product find(int id) {
        return products.get(id);
    }

    @Override
    public List<Product> findAll() {
        return new ArrayList<Product>(products.values());
    }

    @Override
    public Product findByName(String str) {
        for (Product product : products.values()) {
            if(product.getName().equals(str)) {
                return product;
            }
        }

        return null;
    }

    @Override
    public List<Product> findAllByName(String str) {
        List<Product> listProducts = new ArrayList<Product>();

        for (Product product : products.values()) {
            if(product.getName().equals(str)) {
                listProducts.add(product);
            }
        }

        if(listProducts.size() > 0) {
            return listProducts;
        }

        return null;
    }

}