package ch.zhaw.catan;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;

import ch.zhaw.catan.games.ThreePlayerStandard;
import org.junit.jupiter.api.*;

import java.awt.*;
import java.util.*;
import java.util.List;


/***
 * TODO Write your own tests in this class.
 *
 * Note:  Have a look at {@link ch.zhaw.catan.games.ThreePlayerStandard}. It can be used
 * to get several different game states.
 *
 */


public class SiedlerGameTest {

    private final static int DEFAULT_WINPOINTS = 5;
    private final static int DEFAULT_PLAYERAMOUNT = 4;



    @Nested
    @DisplayName("Positive test cases")
    class PositiveTestcases {

        @Nested
        class LongestRoadTest {
            /**
             * To Test getLongestRoad in SiedlerBoard
             */

            List<Config.Faction> factionList = Arrays.asList(Config.Faction.values());

            SiedlerBoard board = new SiedlerBoard();


            @BeforeEach
            public void buildLongestRoad(){
                board.createFixGameField();
                board.setEdge(new Point(6, 6), new Point(5, 7), new Road(Config.Faction.BLUE, new Point(6, 6), new Point(5, 7)));
                board.setEdge(new Point(4, 6), new Point(5, 7), new Road(Config.Faction.BLUE, new Point(4, 6), new Point(5, 7)));
                board.setEdge(new Point(4, 6), new Point(4, 4), new Road(Config.Faction.BLUE, new Point(4, 6), new Point(4, 4)));
                board.setEdge(new Point(4, 6), new Point(3, 7), new Road(Config.Faction.BLUE, new Point(4, 6), new Point(3, 7)));
                board.setEdge(new Point(3, 7), new Point(3, 9), new Road(Config.Faction.BLUE, new Point(3, 7), new Point(3, 9)));
                board.setEdge(new Point(3, 9), new Point(4, 10), new Road(Config.Faction.BLUE, new Point(3, 9), new Point(4, 10)));
                board.setEdge(new Point(4, 10), new Point(5, 9), new Road(Config.Faction.BLUE, new Point(4, 10), new Point(5, 9)));
                board.setCorner(new Point(3, 7), new Settlement(Config.Faction.BLUE, new Point(3, 7)));

            }

            @Test
            public void testLongestRoadSimple() {
                System.out.println(board.getTextView());

                assertEquals(Config.Faction.BLUE, board.getLongestRoadFaction(factionList));
                assertEquals(6, board.getLongestRoadLenth());
            }

            @Test
            public void testLongestRoadWithInterrupt() {
                board.setCorner(new Point(4, 10), new Settlement(Config.Faction.RED, new Point(4, 10)));
                System.out.println(board.getTextView());

                assertEquals(Config.Faction.BLUE, board.getLongestRoadFaction(factionList));
                assertEquals(5, board.getLongestRoadLenth());
            }
        }

        /**
         *
         */
        @Test
        @DisplayName("Test")
        public void TestHandle7() {

            SiedlerGame game = SystemTestcases.startGame();

        }
    }

    @Nested
    @DisplayName("Negative test cases")
    class NegativeTestcases {
        /**
         * Tests if the method will fail when given false Data
         * {@link ThreePlayerStandard#getAfterSetupPhaseAlmostEmptyBank(int)}
         */
        @Test
        public void destructiveTestBuildCity() {
            SiedlerGame model = ThreePlayerStandard.getAfterSetupPhaseAlmostEmptyBank(DEFAULT_WINPOINTS);

            //Too
            Assertions.assertFalse(model.buildCity(new Point(50, 60)));

            //Factions wants to build a city on a city from another faction
            Assertions.assertFalse(model.buildCity(new Point(3, 3)));
        }

        /**
         * Tests if the method fails when given false Data
         * {@link ThreePlayerStandard#getAfterSetupPhase(int)}
         */
        @Test
        public void destructiveTestBuildRoad() {

            SiedlerGame model = ThreePlayerStandard.getAfterSetupPhase(DEFAULT_WINPOINTS);

            System.out.println(model.buildRoad(new Point(3, 7),new Point(3, 9)));
        }

        /**
         * Tests if the method fails when trading material with the same material
         * {@link ThreePlayerStandard#getAfterSetupPhaseAlmostEmptyBank(int)}
         */
        @Test
        public void destructiveTestTradeWithBank() {
            SiedlerGame model = ThreePlayerStandard.getAfterSetupPhaseAlmostEmptyBank(DEFAULT_WINPOINTS);
            model.switchToNextPlayer();

            Map<Config.Resource, Integer> expectedResourceCards = ThreePlayerStandard.BANK_ALMOST_EMPTY_RESOURCE_CARD_STOCK.get(model.getCurrentPlayerFaction());
            assertEquals(expectedResourceCards.get(Config.Resource.WOOL), model.getCurrentPlayerResourceStock(Config.Resource.WOOL));
            assertEquals(expectedResourceCards.get(Config.Resource.LUMBER), model.getCurrentPlayerResourceStock(Config.Resource.LUMBER));

            System.out.println(model.tradeWithBankFourToOne(Config.Resource.WOOL, Config.Resource.WOOL));
        }
    }

    /**
     * @Class SystemTestCases
     *
     * This class simulates a running game and tests multiple sequences of this game.
     * Those test cases will be
     *
     */
    @Nested
    @DisplayName("System test cases")
    class SystemTestcases {

        private final static Map<Config.Faction, Point> START_SETTLEMENT_POSITIONS = new HashMap<>(
                Map.of(
                        Config.Faction.BLUE, new Point(4, 4),
                        Config.Faction.RED, new Point(10, 4),
                        Config.Faction.GREEN, new Point(4, 18),
                        Config.Faction.YELLOW, new Point(10, 18)
                ));

        /**
         * @Datafield START_ROADS_POSITION
         *
         * This are a set of Roads, that have been
         */
        private final static Map<Config.Faction, Tuple<Point, Point>> START_ROADS_POSITIONS = new HashMap<>(
                Map.of(
                        Config.Faction.BLUE, new Tuple<>(new Point(4, 4), new Point(4, 6)),
                        Config.Faction.RED, new Tuple<>(new Point(10, 4), new Point(10, 6)),
                        Config.Faction.GREEN, new Tuple<>(new Point(4, 18), new Point(4, 16)),
                        Config.Faction.YELLOW, new Tuple<>(new Point(10, 18), new Point(10, 16))
                ));

        private static SiedlerGame startGame() {
            return new SiedlerGame(DEFAULT_WINPOINTS, DEFAULT_PLAYERAMOUNT);
        }


        @Test
        @DisplayName("Game initializing")
        public void TestGameInitialization() {
            SiedlerGame game = startGame();

            for (Config.Faction faction: game.getPlayerFactions()) {
                HashMap<Config.Resource, Integer> resources = game.getCurrentPlayerResource();

                Assertions.assertEquals(0, resources.get(Config.Resource.BRICK));
                Assertions.assertEquals(0, resources.get(Config.Resource.GRAIN));
                Assertions.assertEquals(0, resources.get(Config.Resource.LUMBER));
                Assertions.assertEquals(0, resources.get(Config.Resource.ORE));
                Assertions.assertEquals(0, resources.get(Config.Resource.WOOL));

                game.switchToNextPlayer();
            }
        }

        /**
         * This will test when
         */
        @Test
        public void TestGameInSetupPhase() {
            SiedlerGame game = gameInSetupPhase();

            for (Config.Faction faction: game.getPlayerFactions()) {
                HashMap<Config.Resource, Integer> resources = game.getCurrentPlayerResource();

                Assertions.assertEquals(0, resources.get(Config.Resource.BRICK));
                Assertions.assertEquals(0, resources.get(Config.Resource.GRAIN));
                Assertions.assertEquals(0, resources.get(Config.Resource.LUMBER));
                Assertions.assertEquals(0, resources.get(Config.Resource.ORE));
                Assertions.assertEquals(0, resources.get(Config.Resource.WOOL));

                game.switchToNextPlayer();
            }
        }

        private static SiedlerGame gameInSetupPhase() {
            SiedlerGame game = startGame();

            for (Config.Faction faction: game.getPlayerFactions()) {

                game.placeInitialSettlement(START_SETTLEMENT_POSITIONS.get(faction), false);
                game.placeInitialRoad(START_ROADS_POSITIONS.get(faction).first, START_ROADS_POSITIONS.get(faction).second);

                game.switchToNextPlayer();
            }

            return game;
        }

        @Test
        public void TestGameAfterSetupPhase() {
            SiedlerGame game = gameAfterSetupPhase();

            throwDiceSeveralTimes(game, 5, 5);

            System.out.println("\n\nVerteilung \n\n");
            for (Config.Faction faction: game.getPlayerFactions()) {
                HashMap<Config.Resource, Integer> resources = game.getCurrentPlayerResource();
                System.out.println(faction.toString() + "\n");
                System.out.println(" BRICK " + resources.get(Config.Resource.BRICK).toString());
                System.out.println(" GRAIN " + resources.get(Config.Resource.GRAIN));
                System.out.println(" LUMBER " + resources.get(Config.Resource.LUMBER));
                System.out.println(" ORE " + resources.get(Config.Resource.ORE));
                System.out.println(" WOOL " + resources.get(Config.Resource.WOOL));

                game.switchToNextPlayer();
            }
        }

        private static SiedlerGame gameAfterSetupPhase() {
            SiedlerGame game = gameInSetupPhase();



            return game;
        }

        @Test
        @DisplayName("End of Game test")
        public void TestGameEnd() {

        }

        private static SiedlerGame gameNearEnd() {
            SiedlerGame game = gameAfterSetupPhase();

            return game;

        }

        private static void throwDiceSeveralTimes(SiedlerGame game, int dice, int amountDiceThrows) {
            for (int i = 0; i < amountDiceThrows; i++) {
                System.out.println(game.getCurrentPlayerFaction().toString());
                game.throwDice(dice);
            }
        }


    }
}