Code Patterns

package dev.myplugin.example;

// import dev.myplugin.example.PlayerGameModeInfo;  // Anonymized
// import dev.myplugin.example.WorldPreview;  // Anonymized
import com.hypixel.hytale.codec.Codec;
import com.hypixel.hytale.codec.KeyedCodec;
import com.hypixel.hytale.codec.builder.BuilderCodec;
import com.hypixel.hytale.component.Ref;
import com.hypixel.hytale.component.Store;
import com.hypixel.hytale.protocol.packets.interface_.CustomPageLifetime;
import com.hypixel.hytale.protocol.packets.interface_.CustomUIEventBindingType;
import com.hypixel.hytale.protocol.packets.interface_.NotificationStyle;
import com.hypixel.hytale.server.core.Message;
import com.hypixel.hytale.server.core.entity.entities.player.pages.InteractiveCustomUIPage;
import com.hypixel.hytale.server.core.ui.builder.EventData;
import com.hypixel.hytale.server.core.ui.builder.UICommandBuilder;
import com.hypixel.hytale.server.core.ui.builder.UIEventBuilder;
import com.hypixel.hytale.server.core.universe.PlayerRef;
import com.hypixel.hytale.server.core.universe.world.storage.EntityStore;
import com.hypixel.hytale.server.core.util.NotificationUtil;
import org.checkerframework.checker.nullness.compatqual.NonNullDecl;

import java.util.List;

import static ar.ncode.plugin.TroubleInTrorkTownPlugin.config;
import static ar.ncode.plugin.TroubleInTrorkTownPlugin.gameModeStateForWorld;
import static ar.ncode.plugin.model.MessageId.*;

public class ExamplePage extends InteractiveCustomUIPage<ExamplePage.MapVoteInteractionEvent> {

	private final List<WorldPreview> entries;
	private final PlayerGameModeInfo playerInfo;

	public ExamplePage(@NonNullDecl PlayerRef playerRef, @NonNullDecl CustomPageLifetime lifetime, List<WorldPreview> entries, PlayerGameModeInfo playerInfo) {
		super(playerRef, lifetime, ExamplePage.MapVoteInteractionEvent.CODEC);
		this.entries = entries;
		this.playerInfo = playerInfo;
	}

	@Override
	public void build(
			@NonNullDecl Ref<EntityStore> reference, @NonNullDecl UICommandBuilder builder,
			@NonNullDecl UIEventBuilder eventBuilder, @NonNullDecl Store<EntityStore> store
	) {
		builder.append("Pages/MapVote/map-vote.ui");
		builder.set("#TitleLabel.Text", Message.translation(MAP_VOTE_TITLE.get()));

		int rowSize = config.get().getMapsInARowForVoting();
		int rows = entries.size() / rowSize;
		if (entries.size() % rowSize > 0) {
			rows++;
		}

		builder.appendInline("#Rows", "Group #Row {}");

		for (int row = 0; row < rows; row++) {
			builder.appendInline("#Rows", "Group #Row { LayoutMode: Left; }");
			String rowSelector = "#Rows[" + (row + 1) + "]";
			builder.appendInline(rowSelector, "Group #Entry {}");

			for (int i = 0; i < rowSize && (i + row * rowSize) < entries.size(); i++) {
				int entryIndex = i + row * rowSize;
				WorldPreview entry = entries.get(entryIndex);

				builder.append(rowSelector, "Pages/MapVote/entry.ui");
				String itemPrefix = rowSelector + "[" + (i + 1) + "] ";

				String mapPreview = "UI/Custom/Images/Worlds/" + entry.getWorldName() + ".png";
				builder.set(itemPrefix + "#EntryIcon.AssetPath", mapPreview);
				builder.set(itemPrefix + "#EntryName.Text", entry.getWorldName());

				builder.set(itemPrefix + "#EntryButton.Text", Message.translation(MAP_VOTE_VOTE_FOR_MAP.get()));
				eventBuilder.addEventBinding(
						CustomUIEventBindingType.Activating,
						itemPrefix + "#EntryButton",
						EventData.of("MapName", entry.getWorldName())
				);
			}

		}

	}

	@Override
	public void handleDataEvent(
			Ref<EntityStore> reference, Store<EntityStore> store, MapVoteInteractionEvent event
	) {
		if (event == null || event.mapName == null) {
			close();
			return;
		}

		if (playerInfo.isAlreadyVotedMap()) {
			NotificationUtil.sendNotification(
					playerRef.getPacketHandler(),
					Message.translation(MAP_VOTE_YOU_HAVE_ALREADY_VOTED.get()),
					NotificationStyle.Danger
			);
			sendUpdate();
		}

		var gameModeState = gameModeStateForWorld.get(super.playerRef.getWorldUuid());
		if (gameModeState != null) {
			gameModeState.addVoteForMap(event.mapName);
		}
		close();
	}

	public static class MapVoteInteractionEvent {

		public static final BuilderCodec<MapVoteInteractionEvent> CODEC =
				BuilderCodec.builder(MapVoteInteractionEvent.class, MapVoteInteractionEvent::new)
						.append(new KeyedCodec<>("MapName", Codec.STRING),
								(d, v) -> d.mapName = v, d -> d.mapName)
						.add()
						.build();

		public String mapName;
	}

}