channel message thing getter listener thing

src/main/java/com/github/nilstrieb/commands/fun/TriviaCommand.java

@@ -0,0 +1,44 @@
+package com.github.nilstrieb.commands.fun;
+
+import com.github.nilstrieb.commands.handler.Command;
+import com.github.nilstrieb.sections.ChannelMessageEventManager;
+import com.github.nilstrieb.sections.Section;
+import com.github.nilstrieb.util.trivia.TriviaQuestionData;
+import net.dv8tion.jda.api.events.message.MessageReceivedEvent;
+
+public class TriviaCommand extends Command {
+
+    public TriviaCommand() {
+        super("trivia", "Answer random Trivia questions!", "trivia 0", "(maximal arc (inclusive) as a number)", """
+                Answer random trivia questions by the community!
+                You can choose the last arc the questions will be from to avoid spoilers
+                Arcs:
+                0 Hunter Exam arc
+                1 Zoldyck Family arc
+                2 Heavens Arena arc
+                3 Yorknew City arc
+                4 Greed Island arc
+                5 Chimera Ant arc
+                6 Election arc""
+                """);
+    }
+
+    @Override
+    public void called(MessageReceivedEvent event, String args) {
+        int arc = 6;
+        try {
+            arc = Integer.parseInt(args);
+        } catch (NumberFormatException ignored) {
+        }
+
+        reply(event, TriviaQuestionData.getQuestion(arc).getQuestion());
+
+        new Section(event.getTextChannel().getIdLong(), 414755070161453076L) {
+            @Override
+            public void messageReceived(MessageReceivedEvent event) {
+                event.getTextChannel().sendMessage("hallo ich bin killua").queue();
+                ChannelMessageEventManager.removeListener(this);
+            }
+        };
+    }
+}

src/main/java/com/github/nilstrieb/commands/handler/Command.java

@@ -13,24 +13,66 @@ public abstract class Command {
     private final String description;
     private final String exampleUsage;
     private final String arguments;
+    private final String detailDescription;
     private final CommandParser parser = CommandParser.getInstance();
 
-    public Command(String name, String description, String exampleUsage, String arguments, boolean hidden) {
+
+    /**
+     * New command
+     * @param name command name
+     * @param description quick description
+     * @param exampleUsage example usage without the prefix
+     * @param arguments all arguments (() -> optional. <> -> required
+     * @param detailDescription a detailed description
+     */
+    public Command(String name, String description, String exampleUsage, String arguments, String detailDescription) {
         this.name = name;
         this.description = description;
         this.exampleUsage = exampleUsage;
         this.arguments = arguments;
+        this.detailDescription = detailDescription;
+        CommandHandler.addCommand(name, this, false);
+    }
+
+    /**
+     * New command
+     * @param name command name
+     * @param description quick description
+     * @param exampleUsage example usage without the prefix
+     * @param arguments all arguments (() -> optional. <> -> required
+     */
+    public Command(String name, String description, String exampleUsage, String arguments){
+        this(name, description, exampleUsage, arguments, "");
+    }
+
+    /**
+     * New command
+     * @param name command name
+     * @param description quick description
+     */
+    public Command(String name, String description) {
+        this(name, description, name, "", "");
+    }
+
+    /**
+     * Hidden command
+     * @param name name
+     * @param hidden should always be true
+     */
+    public Command(String name, boolean hidden) {
+        this.name = name;
+        this.description = "";
+        this.exampleUsage = "";
+        this.arguments = "";
+        this.detailDescription = "";
         CommandHandler.addCommand(name, this, hidden);
     }
 
-    public Command(String name, String description, String exampleUsage, String arguments) {
-        this(name, description, exampleUsage, arguments, false);
-    }
-
-    public Command(String name, String description) {
-        this(name, description, name, "", false);
-    }
-
+    /**
+     * The method called by the CommandHandler
+     * @param event The event
+     * @param args The arguments (after the command and an optional whitespace)
+     */
     public abstract void called(MessageReceivedEvent event, String args);
 
     protected void reply(MessageReceivedEvent event, String message) {
@@ -89,4 +131,8 @@ public abstract class Command {
     public String getArguments() {
         return arguments;
     }
+
+    public String getDetailDescription() {
+        return detailDescription;
+    }
 }

src/main/java/com/github/nilstrieb/commands/handler/CommandHandler.java

@@ -90,7 +90,8 @@ public class CommandHandler {
                     .setTitle("Killua help: " + cmd.getName())
                     .addField("Name", cmd.getName(), true)
                     .addField("Description", cmd.getDescription(), true)
-                    .addField("Example usage", "`" + cmd.getExampleUsage() + "`", true);
+                    .addField("Example usage", "`" + cmd.getExampleUsage() + "`", true)
+                    .addField("Detail:", cmd.getDetailDescription(), true);
 
             if (!cmd.getArguments().equals("")) {
                 builder.addField("Arguments", "`" + cmd.getArguments() + "`", true);

src/main/java/com/github/nilstrieb/commands/info/EvalCommand.java

@@ -5,7 +5,7 @@ import net.dv8tion.jda.api.events.message.MessageReceivedEvent;
 
 public class EvalCommand extends Command {
     public EvalCommand() {
-        super("eval", "no", "", "<command>", true);
+        super("eval", true);
     }
 
     @Override

src/main/java/com/github/nilstrieb/core/Main.java

@@ -4,10 +4,12 @@ import com.github.nilstrieb.cofig.Secrets;
 import com.github.nilstrieb.commands.fun.DepartureCommand;
 import com.github.nilstrieb.commands.fun.QuoteCommand;
 import com.github.nilstrieb.commands.fun.SayCommand;
+import com.github.nilstrieb.commands.fun.TriviaCommand;
 import com.github.nilstrieb.commands.info.InviteCommand;
 import com.github.nilstrieb.commands.info.EvalCommand;
 import com.github.nilstrieb.commands.info.HelpCommand;
 import com.github.nilstrieb.commands.info.ToukaCommand;
+import com.github.nilstrieb.listener.ChannelMessageListener;
 import com.github.nilstrieb.listener.CommandListener;
 import com.github.nilstrieb.listener.ReactionEventListener;
 import com.github.nilstrieb.listener.StartUpListener;
@@ -25,7 +27,7 @@ public class Main {
         builder.setCompression(Compression.ZLIB);
         builder.setActivity(Activity.watching("over Gon"));
 
-        builder.addEventListeners(new StartUpListener(), new CommandListener(), new ReactionEventListener());
+        builder.addEventListeners(new StartUpListener(), new ChannelMessageListener(), new CommandListener(), new ReactionEventListener());
 
         JDA jda = builder.build();
         setupCommands();
@@ -39,5 +41,6 @@ public class Main {
         new InviteCommand();
         new QuoteCommand();
         new DepartureCommand();
+        new TriviaCommand();
     }
 }

src/main/java/com/github/nilstrieb/listener/ChannelMessageListener.java

@@ -0,0 +1,15 @@
+package com.github.nilstrieb.listener;
+
+import com.github.nilstrieb.sections.ChannelMessageEventManager;
+import net.dv8tion.jda.api.events.message.MessageReceivedEvent;
+import net.dv8tion.jda.api.hooks.ListenerAdapter;
+import org.jetbrains.annotations.NotNull;
+
+public class ChannelMessageListener extends ListenerAdapter {
+    @Override
+    public void onMessageReceived(@NotNull MessageReceivedEvent event) {
+        if (!event.getAuthor().isBot()) {
+            ChannelMessageEventManager.onMessageReceived(event);
+        }
+    }
+}

src/main/java/com/github/nilstrieb/listener/CommandListener.java

@@ -9,8 +9,8 @@ import org.jetbrains.annotations.NotNull;
 public class CommandListener extends ListenerAdapter {
     @Override
     public void onMessageReceived(@NotNull MessageReceivedEvent event) {
-        System.out.println(ConsoleColors.CYAN + "[CListener] Received message: '" + event.getMessage().getContentRaw() + "'" + ConsoleColors.RESET);
         if (!event.getAuthor().isBot()) {
+            System.out.println(ConsoleColors.CYAN + "[CListener] Received message: '" + event.getMessage().getContentRaw() + "'" + ConsoleColors.RESET);
             CommandHandler.call(event);
         }
     }

src/main/java/com/github/nilstrieb/listener/StartUpListener.java

@@ -1,5 +1,6 @@
 package com.github.nilstrieb.listener;
 
+import com.github.nilstrieb.util.ConsoleColors;
 import net.dv8tion.jda.api.events.ReadyEvent;
 import net.dv8tion.jda.api.hooks.ListenerAdapter;
 import org.jetbrains.annotations.NotNull;
@@ -8,6 +9,6 @@ public class StartUpListener extends ListenerAdapter {
 
     @Override
     public void onReady(@NotNull ReadyEvent event) {
-        System.out.println("[Startup] Killua started");
+        System.out.println(ConsoleColors.BLACK_BACKGROUND + ConsoleColors.YELLOW_BOLD_BRIGHT + "[Startup] Killua started" + ConsoleColors.RESET);
     }
 }

src/main/java/com/github/nilstrieb/sections/ChannelListener.java

@@ -0,0 +1,9 @@
+package com.github.nilstrieb.sections;
+
+import net.dv8tion.jda.api.events.message.MessageReceivedEvent;
+
+public interface ChannelListener {
+    void messageReceived(MessageReceivedEvent event);
+    long getUserID();
+    long getChannelID();
+}

src/main/java/com/github/nilstrieb/sections/ChannelMessageEventManager.java

@@ -0,0 +1,55 @@
+package com.github.nilstrieb.sections;
+
+
+import com.github.nilstrieb.util.ConsoleColors;
+import net.dv8tion.jda.api.events.message.MessageReceivedEvent;
+
+import java.util.*;
+
+public class ChannelMessageEventManager {
+    private static HashMap<Long, List<ChannelListener>> listeners = new HashMap<>();
+    private static List<ChannelListener> removeBuffer = new ArrayList<>();
+    private static Set<Long> removedChannels = new HashSet<>();
+
+    public static void addListener(ChannelListener listener, long channel) {
+        if (!listeners.containsKey(channel)) {
+            listeners.put(channel, new ArrayList<>());
+        }
+        listeners.get(channel).add(listener);
+    }
+
+    public static void removeListener(ChannelListener listener) {
+        if (listeners.containsKey(listener.getChannelID())) {
+            removeBuffer.add(listener);
+        }
+    }
+
+    public static void onMessageReceived(MessageReceivedEvent event) {
+        long id = event.getTextChannel().getIdLong();
+        if (listeners.containsKey(id)) {
+            System.out.println(ConsoleColors.YELLOW + "[ChannelMsgEvtMgr] Message in listened channel " +
+                    event.getTextChannel().getName() + " by " + event.getAuthor().getAsTag() + ": " + event.getMessage().getContentRaw() + ConsoleColors.RESET);
+            List<ChannelListener> list = listeners.get(id);
+            for (ChannelListener channelListener : list) {
+                if (channelListener.getUserID() == 0) {
+                    channelListener.messageReceived(event);
+                } else if (channelListener.getUserID() == event.getAuthor().getIdLong()) {
+                    channelListener.messageReceived(event);
+                }
+            }
+
+            for (ChannelListener channelListener : removeBuffer) {
+                listeners.get(channelListener.getChannelID()).remove(channelListener);
+                removedChannels.add(channelListener.getChannelID());
+            }
+            for (Long removedChannel : removedChannels) {
+                list = listeners.get(removedChannel);
+                if (list.isEmpty()) {
+                    listeners.remove(removedChannel);
+                }
+            }
+            removedChannels.clear();
+            removeBuffer.clear();
+        }
+    }
+}

src/main/java/com/github/nilstrieb/sections/Section.java

@@ -0,0 +1,34 @@
+package com.github.nilstrieb.sections;
+
+import net.dv8tion.jda.api.events.message.MessageReceivedEvent;
+
+import java.util.HashMap;
+
+public abstract class Section implements ChannelListener{
+    private long textChannelID;
+    private long userID;
+    private boolean multiUser;
+
+    public Section(long textChannelID, long userID) {
+        this.textChannelID = textChannelID;
+        this.userID = userID;
+        this.multiUser = false;
+
+        ChannelMessageEventManager.addListener(this, textChannelID);
+    }
+
+    public Section(long textChannelID) {
+        this.textChannelID = textChannelID;
+        this.multiUser = true;
+    }
+
+    @Override
+    public long getUserID() {
+        return userID;
+    }
+
+    @Override
+    public long getChannelID() {
+        return textChannelID;
+    }
+}

src/main/java/com/github/nilstrieb/util/trivia/Arc.java

@@ -0,0 +1,15 @@
+package com.github.nilstrieb.util.trivia;
+
+public enum Arc {
+    EXAM(0), ZOLDYCK_FAMILY(1), HEAVENS_ARENA(2), YORKNEW_CITY(3),
+    GREED_ISLAND(4), CHIMERA_ANT(5), ELECTION(6);
+
+    private final int number;
+    Arc(int number) {
+        this.number = number;
+    }
+
+    public int getNumber() {
+        return number;
+    }
+}

src/main/java/com/github/nilstrieb/util/trivia/TriviaQuestion.java

@@ -0,0 +1,31 @@
+package com.github.nilstrieb.util.trivia;
+
+public class TriviaQuestion {
+    private String question;
+    private String[] answers;
+    private int correctAnswer;
+    private Arc arc;
+
+    public TriviaQuestion(String question, int correctAnswer, Arc arc, String ... answers) {
+        this.question = question;
+        this.answers = answers;
+        this.arc = arc;
+        this.correctAnswer = correctAnswer;
+    }
+
+    public String getQuestion() {
+        return question;
+    }
+
+    public String[] getAnswers() {
+        return answers;
+    }
+
+    public int getCorrectAnswer() {
+        return correctAnswer;
+    }
+
+    public Arc getArc() {
+        return arc;
+    }
+}

src/main/java/com/github/nilstrieb/util/trivia/TriviaQuestionData.java

@@ -0,0 +1,64 @@
+package com.github.nilstrieb.util.trivia;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Random;
+
+public class TriviaQuestionData {
+    static List<List<TriviaQuestion>> questions = new ArrayList<>();
+    private static final Random random = new Random();
+
+    static {
+        questions.add(new ArrayList<>());
+        questions.add(new ArrayList<>());
+        questions.add(new ArrayList<>());
+        questions.add(new ArrayList<>());
+        questions.add(new ArrayList<>());
+        questions.add(new ArrayList<>());
+        questions.add(new ArrayList<>());
+
+
+        add(new TriviaQuestion("What's the name of Gons aunt?", 1, Arc.EXAM,
+                "Kite", "Mito", "Ging", "Kurapika"));
+        add(new TriviaQuestion("What is Bisky's true form?", 1, Arc.GREED_ISLAND,
+                "Boy", "Big Woman", "Little Girl"));
+        add(new TriviaQuestion("Why does Leorio want money?", 0, Arc.EXAM,
+                "To become a doctor", "To send it to e-girls", "So that others don't get it", "To buy large quantities of drugs"));
+        add(new TriviaQuestion("Where did Meruem die?", 2, Arc.CHIMERA_ANT,
+                "Volcano", "In the desert with Netero", "In the basement of the palace", "In the womb of the queen"));
+        add(new TriviaQuestion("Who is Alluka?", 3, Arc.ELECTION,
+                "Gon's sister", "A Zodiac", "The 'dark' side of Nanika", "Killua's sister"));
+        add(new TriviaQuestion("How did Gon die on Greed Island?", 0, Arc.GREED_ISLAND,
+                "He didn't die on Greed Island", "Hisoka killed him with a card to the neck", "He lost too muich blood when Genthru blew his arm of", "He killed himself after Killuas death"));
+        add(new TriviaQuestion("How many doors are there at the Testing Gate of the Zoldyck Family?", 0, Arc.ZOLDYCK_FAMILY,
+                "7", "5", "12", "8"));
+        add(new TriviaQuestion("What was Gon's aim after Killua left him alone playing with the Chairman Netero", 1, Arc.EXAM,
+                "Get the ball", "Make Netero use his right hand", "Make Netero use his left leg", "Let Netero drop the ball"));
+        add(new TriviaQuestion("What did Tonpa mix into the drink?", 2, Arc.EXAM,
+                "Sleeping pills", "Headache tabletsschla", "Laxative", "Rat poison"));
+
+    }
+
+    private static void add(TriviaQuestion triviaQuestion) {
+        questions.get(triviaQuestion.getArc().getNumber()).add(triviaQuestion);
+    }
+
+    public static TriviaQuestion getQuestion(int toArc) {
+        int totalQuestions = 0;
+        for (int i = 0; i <= toArc; i++) {
+            totalQuestions += questions.get(i).size();
+        }
+
+        int randomQuestion = random.nextInt(totalQuestions);
+
+        for (int i = 0; i <= toArc; i++) {
+            if (randomQuestion >= questions.get(i).size()) {
+                randomQuestion -= questions.get(i).size();
+            } else {
+                return questions.get(i).get(randomQuestion);
+            }
+        }
+
+        throw new IndexOutOfBoundsException("No Question available for arc " + toArc);
+    }
+}