/**
   * When searching for threats to a settlement, the indian player should ignore naval threats, as
   * he does not have naval power
   */
  public void testSecureIndianSettlementMissionIgnoreNavalThreat() {
    Game game = ServerTestHelper.startServerGame(getCoastTestMap(plainsType));
    Map map = game.getMap();
    AIMain aiMain = ServerTestHelper.getServer().getAIMain();
    InGameController igc = ServerTestHelper.getInGameController();

    // Create player and unit
    ServerPlayer inca = (ServerPlayer) game.getPlayerByNationId("model.nation.inca");
    NativeAIPlayer aiInca = (NativeAIPlayer) aiMain.getAIPlayer(inca);
    ServerPlayer dutch = (ServerPlayer) game.getPlayerByNationId("model.nation.dutch");

    Tile settlementTile = map.getTile(9, 9);
    Tile seaTile = map.getTile(10, 9);
    assertTrue("Settlement tile should be land", settlementTile.isLand());
    assertFalse("Galleon tile should be ocean", seaTile.isLand());
    FreeColTestCase.IndianSettlementBuilder builder =
        new FreeColTestCase.IndianSettlementBuilder(game);
    IndianSettlement camp =
        builder.player(inca).settlementTile(settlementTile).initialBravesInCamp(10).build();
    ServerUnit galleon = new ServerUnit(game, seaTile, dutch, galleonType);
    int unitsInGalleon = 6;
    for (int i = 0; i < unitsInGalleon; i++) {
      ServerUnit artillery = new ServerUnit(game, settlementTile, dutch, artilleryType);
      igc.embarkUnit(dutch, artillery, galleon);
    }
    assertEquals("Wrong number of units onboard galleon", unitsInGalleon, galleon.getUnitCount());
    assertEquals("Galleon should be full", 0, galleon.getSpaceLeft());

    for (Unit brave : camp.getUnitList()) {
      AIUnit aiUnit = aiMain.getAIUnit(brave);
      assertNotNull(aiUnit);
      new UnitWanderHostileMission(aiMain, aiUnit);

      assertTrue("No enemy units present", aiUnit.hasMission(UnitWanderHostileMission.class));
    }

    inca.setStance(dutch, Stance.WAR);
    inca.setTension(dutch, new Tension(Tension.Level.HATEFUL.getLimit()));
    assertTrue("Indian player should be at war with dutch", inca.getStance(dutch) == Stance.WAR);
    assertEquals(
        "Wrong Indian player tension towards dutch",
        Tension.Level.HATEFUL.getLimit(),
        inca.getTension(dutch).getValue());

    aiInca.abortInvalidMissions();
    aiInca.secureIndianSettlement(camp, lb);
    boolean seeking = false;
    for (Unit brave : inca.getUnits()) {
      AIUnit aiUnit = aiMain.getAIUnit(brave);
      assertNotNull(aiUnit);
      if (aiUnit.hasMission(UnitSeekAndDestroyMission.class)) {
        seeking = true;
        break;
      }
    }
    assertFalse("Braves should not pursue naval units", seeking);
  }
  public void testImpossibleConditionsForTargetSelection() {
    Game game = ServerTestHelper.startServerGame(getCoastTestMap(plainsType));
    Map map = game.getMap();
    AIMain aiMain = ServerTestHelper.getServer().getAIMain();

    // Create attacking player and units
    ServerPlayer dutch = (ServerPlayer) game.getPlayerByNationId("model.nation.dutch");

    Tile tile1 = map.getTile(2, 2);
    Tile tile2 = map.getTile(2, 1);
    Unit soldier = new ServerUnit(game, tile1, dutch, veteranType);
    Unit friendlyColonist = new ServerUnit(game, tile2, dutch, colonistType);

    AIUnit aiUnit = aiMain.getAIUnit(soldier);
    assertNotNull(aiUnit);

    // Create defending player and unit
    ServerPlayer french = (ServerPlayer) game.getPlayerByNationId("model.nation.french");

    Tile tile3 = map.getTile(1, 2);
    Unit enemyColonist = new ServerUnit(game, tile3, french, colonistType);

    Tile tile4 = map.getTile(12, 12); // in the water
    assertFalse("Tle should be water", tile4.isLand());

    Unit enemyGalleon = new ServerUnit(game, tile4, french, galleonType);
    // Make tests

    assertNotNull(
        "Cannot attack own unit",
        UnitSeekAndDestroyMission.invalidReason(aiUnit, friendlyColonist));
    assertNotNull(
        "Players are not at war", UnitSeekAndDestroyMission.invalidReason(aiUnit, enemyColonist));

    dutch.setStance(french, Stance.WAR);
    french.setStance(dutch, Stance.WAR);

    assertEquals(
        "Unit should be able to attack land unit",
        null,
        UnitSeekAndDestroyMission.invalidReason(aiUnit, enemyColonist));
    assertNotNull(
        "Land unit cannot attack naval unit",
        UnitSeekAndDestroyMission.invalidReason(aiUnit, enemyGalleon));
  }
  public void testSecureIndianSettlementMission() {
    Game game = ServerTestHelper.startServerGame(getTestMap());
    Map map = game.getMap();
    AIMain aiMain = ServerTestHelper.getServer().getAIMain();

    // Create player and unit
    ServerPlayer inca = (ServerPlayer) game.getPlayerByNationId("model.nation.inca");
    NativeAIPlayer aiInca = (NativeAIPlayer) aiMain.getAIPlayer(inca);
    ServerPlayer dutch = (ServerPlayer) game.getPlayerByNationId("model.nation.dutch");

    Tile settlementTile = map.getTile(9, 9);
    Tile adjacentTile = settlementTile.getNeighbourOrNull(Direction.N);
    assertTrue("Settlement tile should be land", settlementTile.isLand());
    assertTrue("Adjacent tile should be land", adjacentTile != null && adjacentTile.isLand());
    FreeColTestCase.IndianSettlementBuilder builder =
        new FreeColTestCase.IndianSettlementBuilder(game);
    IndianSettlement camp =
        builder.player(inca).settlementTile(settlementTile).initialBravesInCamp(8).build();
    assertEquals("One camp", 1, inca.getNumberOfSettlements());

    // Put one brave outside the camp, but in the settlement tile,
    // so that he may defend the settlement
    Unit braveOutside = new ServerUnit(game, settlementTile, inca, braveType);
    braveOutside.setHomeIndianSettlement(camp);

    // Setup enemy units
    int enemyUnits = camp.getUnitCount() + 1;
    for (int i = 0; i < enemyUnits; i++) {
      new ServerUnit(game, adjacentTile, dutch, veteranType);
    }

    Iterator<Unit> campUnitIter = camp.getOwnedUnitsIterator();
    while (campUnitIter.hasNext()) {
      Unit brave = campUnitIter.next();
      assertNotNull("Got null while getting the camps units", brave);
      AIUnit aiUnit = aiMain.getAIUnit(brave);
      assertNotNull("Couldnt get the ai object for the brave", aiUnit);
      new UnitWanderHostileMission(aiMain, aiUnit);
      assertTrue(
          "Should be UnitWanderHostileMission", aiUnit.hasMission(UnitWanderHostileMission.class));
      assertEquals(
          "Unit should be candidate for seek+destroy",
          null,
          UnitSeekAndDestroyMission.invalidReason(aiUnit));
      assertEquals(
          "Unit should be candidate for defend",
          null,
          DefendSettlementMission.invalidReason(aiUnit));
    }

    inca.setStance(dutch, Stance.WAR);
    inca.setTension(dutch, new Tension(Tension.Level.HATEFUL.getLimit()));
    camp.setAlarm(dutch, inca.getTension(dutch));
    assertTrue("Indian player should be at war with dutch", inca.getStance(dutch) == Stance.WAR);
    assertEquals(
        "Wrong Indian player tension towards dutch",
        Tension.Level.HATEFUL.getLimit(),
        inca.getTension(dutch).getValue());
    aiInca.secureIndianSettlement(camp, lb);

    // Verify if a unit was assigned a UnitSeekAndDestroyMission
    boolean isSeekAndDestroyMission = false;
    for (Unit brave : inca.getUnits()) {
      AIUnit aiUnit = aiMain.getAIUnit(brave);
      assertNotNull("Couldnt get aiUnit for players brave", aiUnit);
      assertNotNull("Unit missing mission", aiUnit.getMission());
      isSeekAndDestroyMission = aiUnit.hasMission(UnitSeekAndDestroyMission.class);
      if (isSeekAndDestroyMission) break;
    }
    assertTrue("A brave should have a UnitSeekAndDestroyMission", isSeekAndDestroyMission);
  }