package cicaprojekt;

import java.io.File;
import java.io.IOException;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Map;

public class Tester {
    private Player oneill;
    private Player jaffa;
    private PlayerBase replicator;


    Dungeon loadMap(String param) throws IOException{
        Dungeon dungeon = new Dungeon();
        Map playerLocations = dungeon.buildDungeon(new File(param));
        oneill = new Player("ONeill", (Tile) playerLocations.get("oneill"), Direction.NORTH);
        jaffa = new Player("Jaffa", (Tile) playerLocations.get("jaffa"), Direction.NORTH);
        replicator = new PlayerBase("Replicator", (Tile) playerLocations.get("replicator"), Direction.NORTH);
        return dungeon;
    }

    String listPlayers() {
        return oneill.toString() + " " + jaffa.toString() + " " + replicator.toString();
    }

    void move(String param) {
        switch (param) {
            case "O" :
                oneill.move(oneill.getFacingDirection());
                break;
            case "J" :
                jaffa.move(jaffa.getFacingDirection());
                break;
            default:
                //TODO error handling
                break;
        }
    }

    String boxLift(String param) {
        switch (param) {
            case "O" :
                oneill.boxLift();
                break;
            case "J" :
                jaffa.boxLift();
                break;
        }
        return "box lifted";
    }

    String boxDrop(String param) {
        switch (param) {
            case "O" :
                oneill.boxDrop();
                break;
            case "J" :
                jaffa.boxDrop();
                break;
        }
        return "box dropped";
    }

    void shootONeillsGun(String param) {
        switch (param) {
            case "B" :
                oneill.shootStargate(Stargate.blueStargate);
                break;
            case "Y" :
                oneill.shootStargate(Stargate.yellowStargate);
                break;
        }
    }

    String rotate(String playerParam, String directionParam) {
        switch (playerParam) {
            case "O" :
                switch (directionParam) {
                    case "L" :
                        oneill.rotateLeft();
                        return oneill.getFacingDirection().toString();
                    case "R" :
                        oneill.rotateRight();
                        return oneill.getFacingDirection().toString();
                    default: return "Hiba, nem fordult!";
                }
            case "J" :
                switch (directionParam) {
                    case "L" :
                        jaffa.rotateLeft();
                        return jaffa.getFacingDirection().toString();
                    case "R" :
                        jaffa.rotateRight();
                        return jaffa.getFacingDirection().toString();
                    default: return "Hiba, nem fordult!";
                }
            default: return "Hiba, nem létező játékos!";
        }
    }

    String listStargates() {
        String blue = Stargate.blueStargate.toString();
        String yellow = Stargate.yellowStargate.toString();
        String red = Stargate.redStargate.toString();
        String green = Stargate.greenStargate.toString();
        
        return blue + " " + yellow + " " + red + " " + green;
    }

    String getConnectedGateOpen(Scale s){
        if(s.getGateConnected().isOpen())
            return "gate open";
        else return "gate closed";
    }
    
    /* custom Test annotation */
    @Target(ElementType.METHOD)     // it's for methods
    @Retention(RetentionPolicy.RUNTIME)     // we want to retain annotations in runtime
    private @interface Test {}

    /* run all methods annotated with @Test */
    public boolean runAllTests() throws InvocationTargetException, IllegalAccessException
    {
        boolean testspassed = true;

        for (Method m : this.getClass().getMethods())               // iterate over all methods of this
        {
            if (m.isAnnotationPresent(Test.class))                  // if its annotated with @Test...
            {
                Boolean testresult = (Boolean) m.invoke(null);      // call it!
                if (!testresult)
                {
                    testspassed = false;
                }
            }
        }
        return testspassed;
    }
    
    @Test
    boolean moveTest() throws IOException{
        boolean success = true;

        loadMap("moveTest.dungeon");
        
        String listOfPlayers = listPlayers();
        if(!listOfPlayers.equals("ONeill: 1, 1 Jaffa: -666, -666 Replicator: -666, -666"))
            success = false;
        
        move("O");
        
        listOfPlayers = listPlayers();
        if(!listOfPlayers.equals("ONeill: 1, 2 Jaffa: -666, -666 Replicator: -666, -666"))
            success = false;
                      
        return success;
    }
    
    @Test
    boolean testStargates() throws IOException{
        boolean success = true;

        loadMap("testStargates.dungeon");
        shootONeillsGun("B");
        rotate("O", "L");
        shootONeillsGun("Y");
        
        String listOfStargates = listStargates();
        if(!listOfStargates.equals("BlueStargate: 5, 10 YellowStargate: 10, 5 RedStargate: not spawned GreenStargate: not spawned"))
            success = false;
        
        move("O");
        move("O");
        move("O");
        
        String listOfPlayers = listPlayers();
        if(!listOfPlayers.equals("ONeill: 5, 9 Jaffa: -666, -666 Replicator: -666, -666"))
            success = false;
                
        return success;
    }

    @Test
    boolean testScalesAndGates() throws IOException {
        boolean success = true;
        
        loadMap("testScalesAndGates.dungeon");
        boxLift("O");
        rotate("O", "L");
        boxDrop("O");
        
        String gateOpen = getConnectedGateOpen((Scale)oneill.getCurrentTile().getAdjacentTile(oneill.facingDirection));
        
        if(!gateOpen.equals("gate open"))
            success = false;

        return success;
    }
    
    @Test
    boolean gapTest() throws IOException{

        loadMap("gapTest.dungeon");
        move("O");
        
        boolean success = oneill.isDestroyed();
        
        return success;
    }
    
    @Test
    boolean ZPMTest() throws IOException{
        boolean success = true;

        loadMap("ZPMTest.dungeon");
        move("O");
        
        if(oneill.getZPMCount() != 1)
            success = false;
        
        return success;
    }

    @Test
    boolean testReplicatorPosition(){
        String[] commands = {"loadMap testReplicatorPosition\n",
                "move O\n"};

        String[] expectedOutputs = {};

        boolean results = testOnSequenceOfCommands(commands, expectedOutputs);

        return results;
    }

    @Test
    boolean timeUpTest(){
        String[] commands = {"loadMap timeUpTest\n"};

        String[] expectedOutputs = {};
        boolean results = testOnSequenceOfCommands(commands, expectedOutputs);

        return results;
    }


    @Test
    boolean rotationTest() throws IOException {
        boolean success = true;
        
        loadMap("rotationTest.dungeon");

        if(!rotate("O", "L").equals("WEST"))
            success = false;
        
        if(!rotate("O", "R").equals("NORTH"))
            success = false;
        
        return success;
    }

    @Test
    boolean testBoxes() throws IOException{
        boolean success = true;

        loadMap("testBoxes.dungeon");
        
        if(!boxLift("O").equals("box lifted"))
            success = false;
        
        if(!boxDrop("O").equals("box dropped"))
            success = false;

        return success;
    }

    private boolean testOnSequenceOfCommands(String[] commands, String[] expectedOutputs) {
        return true;
    }
}