Arakne / Araknemu

 * This file is part of Araknemu.

 *

 * Araknemu is free software: you can redistribute it and/or modify

 * it under the terms of the GNU Lesser General Public License as published by

 * the Free Software Foundation, either version 3 of the License, or

 * (at your option) any later version.

 *

 * Araknemu is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public License

 * along with Araknemu.  If not, see <https://www.gnu.org/licenses/>.

 *

 * Copyright (c) 2017-2020 Vincent Quatrevieux

 */

package fr.quatrevieux.araknemu.game.fight.builder;

import fr.arakne.utils.value.helper.RandomUtil;

import fr.quatrevieux.araknemu.game.exploration.map.ExplorationMap;

import fr.quatrevieux.araknemu.game.fight.Fight;

import fr.quatrevieux.araknemu.game.fight.FightService;

import fr.quatrevieux.araknemu.game.fight.map.FightCell;

import fr.quatrevieux.araknemu.game.fight.map.FightMap;

import fr.quatrevieux.araknemu.game.fight.state.ActiveState;

import fr.quatrevieux.araknemu.game.fight.state.FinishState;

import fr.quatrevieux.araknemu.game.fight.state.InitialiseState;

import fr.quatrevieux.araknemu.game.fight.state.NullState;

import fr.quatrevieux.araknemu.game.fight.state.PlacementState;

import fr.quatrevieux.araknemu.game.fight.state.StatesFlow;

import fr.quatrevieux.araknemu.game.fight.team.FightTeam;

import fr.quatrevieux.araknemu.game.fight.type.FightType;

import org.checkerframework.checker.index.qual.NonNegative;

import org.checkerframework.checker.nullness.qual.MonotonicNonNull;

import org.checkerframework.checker.nullness.qual.Nullable;

import org.checkerframework.checker.nullness.util.NullnessUtil;

import java.util.ArrayList;

import java.util.List;

/**

 * Base builder for fight

 */

public final class BaseBuilder implements FightBuilder {

    private final FightService service;

    private final @Nullable RandomUtil random;

    private final FightType type;

    private @MonotonicNonNull FightMap map;

    private final List<TeamFactory> teamFactories = new ArrayList<>();

    public BaseBuilder(FightService service, @Nullable RandomUtil random, FightType type) {

        this.service = service;

        this.random = random;

        this.type = type;

    }

    @Override

    public Fight build(int fightId) {

        if (map == null || teamFactories.size() < 2) {

            throw new IllegalStateException("Missing map or teams");

        }

        return service.create(fightId, type, map, buildTeams(), statesFlow());

    }

    /**

     * Set the fight map

     */

    public void map(ExplorationMap map) {

        this.map = service.map(map);

    }

    public void addTeam(TeamFactory factory) {

        teamFactories.add(factory);

    }

    private List<FightTeam.Factory> buildTeams() {

        final List<TeamFactory> factories = random != null ? random.shuffle(teamFactories) : teamFactories;

        final List<FightTeam.Factory> teams = new ArrayList<>(factories.size());

        for (int number = 0; number < factories.size(); ++number) {

            teams.add(createTeamFactory(factories.get(number), number));

        }

        return teams;

    }

    private StatesFlow statesFlow() {

        return new StatesFlow(

            new NullState(),

            new InitialiseState(),

            new PlacementState(),

            new ActiveState(),

            new FinishState()

        );

    }

    public interface TeamFactory {

        /**

         * Creates the fight team

         *

         * @param number The team number

         * @param startPlaces The available start places

         */

        public FightTeam create(Fight fight, int number, List<FightCell> startPlaces);

    }

}