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/*
 * This file is part of the Yildiz-Engine project, licenced under the MIT License  (MIT)
 *
 *  Copyright (c) 2018 Grégory Van den Borre
 *
 *  More infos available: https://www.yildiz-games.be
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
 *  documentation files (the "Software"), to deal in the Software without restriction, including without
 *  limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
 *  of the Software, and to permit persons to whom the Software is furnished to do so,
 *  subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in all copies or substantial
 *  portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 *  WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
 *  OR COPYRIGHT  HOLDERS BE LIABLE FOR ANY CLAIM,
 *  DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE  SOFTWARE.
 *
 */

package be.yildizgames.engine.feature.city;

import be.yildizgames.common.model.PlayerId;
import be.yildizgames.engine.feature.city.building.Building;
import be.yildizgames.engine.feature.city.building.BuildingData;
import be.yildizgames.engine.feature.city.building.BuildingType;
import be.yildizgames.engine.feature.city.building.BuildingTypeFactory;

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;

/**
 * @param  Building implementation.
 * @param  Building data implementation.
 * @param  City implementation.
 * @author Grégory Van den Borre
 */
public abstract class BaseCityManager> implements CityManager {

    /**
     * List of all BaseCity for a Player.
     */
    private final Map> cityList = new HashMap<>();

    /**
     * List of all BaseCity, by Id.
     */
    private final Map cities = new HashMap<>();

    private final BuildingTypeFactory typeFactory;

    protected BaseCityManager(BuildingTypeFactory typeFactory) {
        super();
        this.typeFactory = typeFactory;
    }


    /**
     * Register a new BaseCity in the system.
     *
     * @param id Associated entity.
     */
    @Override
    public C createCity(final CityId id, PlayerId owner) {
        C city = this.createCityImpl(id);
        this.cityList.computeIfAbsent(owner, (s) -> new HashSet<>()).add(city);
        this.cities.put(id, city);
        return city;
    }

    protected abstract C createCityImpl(final CityId id);

    @Override
    public C getCityById(final CityId id) {
        return this.cities.get(id);
    }

    @Override
    public final List getCities() {
        return new ArrayList<>(this.cities.values());
    }

    @Override
    public Set getCities(final PlayerId player) {
        return this.cityList.getOrDefault(player, Collections.emptySet());
    }

    @Override
    public void createEmptyCityBuildings(C city) {
        this.typeFactory.createEmptyCity(city);
    }

    @Override
    public D getData(BuildingType entityType) {
        return this.typeFactory.getRegisteredData().get(entityType);
    }
}