/*
 * 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) 2017-2019 Vincent Quatrevieux
 */

package fr.quatrevieux.araknemu.game.exploration;

import fr.quatrevieux.araknemu.game.GameBaseCase;
import fr.quatrevieux.araknemu.game.exploration.event.RestrictionsChanged;
import fr.quatrevieux.araknemu.game.player.GamePlayer;
import fr.quatrevieux.araknemu.network.game.out.game.AddSprites;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

import java.util.Collections;
import java.util.concurrent.atomic.AtomicReference;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertSame;
import static org.junit.jupiter.api.Assertions.assertTrue;

class RestrictionsTest extends GameBaseCase {
    private Restrictions restrictions;
    private GamePlayer player;
    private ExplorationPlayer exploration;

    @Override
    @BeforeEach
    public void setUp() throws Exception {
        super.setUp();

        player = gamePlayer();
        exploration = explorationPlayer();
        restrictions = new Restrictions(exploration);
    }

    @Test
    void defaults() {
        assertTrue(restrictions.canAssault());
        assertTrue(restrictions.canChallenge());
        assertTrue(restrictions.canExchange());
        assertTrue(restrictions.canAttack());
        assertFalse(restrictions.forceWalk());
        assertFalse(restrictions.isSlow());
        assertFalse(restrictions.isTomb());

        assertEquals(0, restrictions.toInt());
    }

    @Test
    void refreshDefaults() {
        restrictions.refresh();

        assertTrue(restrictions.canAssault());
        assertTrue(restrictions.canChallenge());
        assertTrue(restrictions.canExchange());
        assertFalse(restrictions.canAttack());
        assertFalse(restrictions.forceWalk());
        assertFalse(restrictions.isSlow());
        assertFalse(restrictions.isTomb());

        assertEquals(8, restrictions.toInt());
    }

    @Test
    void refreshWithoutChanges() {
        restrictions.refresh();

        AtomicReference<RestrictionsChanged> ref = new AtomicReference<>();

        exploration.map().dispatcher().add(RestrictionsChanged.class, ref::set);
        restrictions.refresh();

        assertNull(ref.get());
    }

    @Test
    void refreshWithChallenge() {
        restrictions.refresh();
        exploration.player().restrictions().set(fr.quatrevieux.araknemu.game.player.Restrictions.Restriction.DENY_CHALLENGE);

        AtomicReference<RestrictionsChanged> ref = new AtomicReference<>();

        exploration.map().dispatcher().add(RestrictionsChanged.class, ref::set);
        restrictions.refresh();

        assertSame(exploration, ref.get().player());
        assertSame(restrictions, ref.get().restrictions());

        assertFalse(restrictions.canChallenge());
    }

    @Test
    void refreshWithAssault() {
        restrictions.refresh();
        exploration.player().restrictions().set(fr.quatrevieux.araknemu.game.player.Restrictions.Restriction.DENY_ASSAULT);

        AtomicReference<RestrictionsChanged> ref = new AtomicReference<>();

        exploration.map().dispatcher().add(RestrictionsChanged.class, ref::set);
        restrictions.refresh();

        assertSame(exploration, ref.get().player());
        assertSame(restrictions, ref.get().restrictions());

        assertFalse(restrictions.canAssault());
    }

    @Test
    void refreshWithAttack() {
        restrictions.refresh();
        exploration.player().restrictions().set(fr.quatrevieux.araknemu.game.player.Restrictions.Restriction.ALLOW_ATTACK);

        AtomicReference<RestrictionsChanged> ref = new AtomicReference<>();

        exploration.map().dispatcher().add(RestrictionsChanged.class, ref::set);
        restrictions.refresh();

        assertSame(exploration, ref.get().player());
        assertSame(restrictions, ref.get().restrictions());

        assertTrue(restrictions.canAttack());
    }

    @Test
    void functionalRestrictionChangedChain() {
        requestStack.clear();

        player.restrictions().set(fr.quatrevieux.araknemu.game.player.Restrictions.Restriction.DENY_CHALLENGE);

        assertFalse(exploration.restrictions().canChallenge());
        requestStack.assertLast(new AddSprites(Collections.singleton(exploration.sprite())));
    }
}